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senior software developer

software test developer

Randstad Türkiye

<div>
 
 Description
 
 
 
 
 
 
 
 
 &middot; Proactively join testing activities and support the team members to solve the technical difficulties
 
 
 &middot; Define test strategy and provide technical guidance in driving quality in new feature development
 
 
 &middot; Work with cross-functional teams to ensure quality throughout the software development life cycle
 
 
 &middot; Analyse the business requirements and estimate, plan and design the testing and verification to guard the product
 
 
 &middot; Develop &amp; lead the automation strategy/effort and generate &amp; maintain scripts to perform automated testing cycles
 
 
 &middot; Identify, analyse and document any defects discovered during testing and provide fine tuning recommendations
 
 
 &middot; Comfortable working in a dynamic, low-structure, constantly changing atmosphere and prioritising work appropriately
 
 
 
 
 
 
 
 
 Requirements
 
 
 
 
 
 Graduated from Computer Engineering, Electrical &amp; Electronics Engineering or Software Engineering departments.
 
 
 5+ years of software testing or software automation testing experience.
 
 
 Experience with basic SQL servers or other relational databases, including query construction, data retrieval, and optimization.
 
 
 Knowledge of database testing concepts and how to ensure data integrity and performance in applications.
 
 
 Ability to plan and coordinate different test phases (preparation, execution, test result comparison).
 
 
 Experience in using work management, task/bug tracking tools such as Jira.
 
 
 Familiar with agile methodologies and able to work effectively in these processes.
 
 
 Experience with basic SQL servers or other relational databases.
 
 
 Experience with test automation tools and frameworks (Selenium, Appium, Postman, TestNG, Cucumber, etc.) is a plus.
 
 
 Experience in Performance, Security and Mobile Application Testing is a plus.
 
 
 Knowledge in one or more of Linux, Docker, DevOps (CI/CD, Jenkins), Source Control Systems (Git, SVN), Computer networking, etc. is a plus.
 
 
 Experience in one or more of programming/scripting languages (Java, Phyton, C#, etc.) is a plus.
 
 
 ISTQB certificate is a plus.
 
 
 Fluency in English is a must.
 
</div>

Software Test Engineer

Siemens

<div>
 We are the catalyst for the industrial worlds digital transformation.
 
 
 For more than 35 years, ground breaking technologies and business models engineered and developed by Siemens Turkey R&amp;D department contributes to the global success of Siemens
 
 
 Our R&amp;D activities focused on the fields of electrification, automation and digitalization, provides end-to-end support to our global customers on their unique digital transformation journey.
 
 
 We aim to increase our strength on solution and product development with world class SW development experts, with the vision to be the digitalization partner for our global customers.
 
 
 We need game changers like you, to bring the next level of smart manufacturing and infrastructure from mere concept to reality, develop tomorrows smart cities, and address the most critical digitalization challenges across a comprehensive range of industries.
 
 
 For Siemens Turkey R&amp;D Department, we are looking for a Part-time Working Student.
 
 
 
 What are my responsibilities?
 
 
 
 <ul>
 <li>
 Collaborating with the team to understand new features and identify test cases and steps.
 </li>
 <li>
 Constantly checking test automation opportunities
 </li>
 <li>
 Supporting the development and maintenance of automated test scripts and frameworks using various programming languages and tools.
 </li>
 <li>
 Executing both automated and manual test suites and analyzing test results, identifying and reporting defects.
 </li>
 <li>
 Contributing to the continuous improvement of our testing processes and methodologies.
 </li>
 <li>
 Documenting test cases, test plans, and automation processes.
 </li>
 <li>
 Assisting in setting up and maintaining test environments and test data.
 
 
 </li>
 </ul>
 
 What do I need to qualify for this job?
 
 
 
 <ul>
 <li>
 Currently enrolled as a 3rd year student in Computer Science, Software Engineering, Information Technology, or a related field.
 </li>
 <li>
 Basic understanding of software development principles and software testing concepts.
 </li>
 <li>
 Hands-on experience with Java, Javascpript and/or Playwright
 </li>
 <li>
 Familiarity with version control systems (e.g., Git) and defect tracking systems (e.g., Azure Devops)
 </li>
 <li>
 Understanding of CI/CD pipelines (e.g., Jenkins, GitLab CI)
 </li>
 <li>
 Strong analytical and problem-solving skills.
 </li>
 <li>
 Proactive attitude and willingness to learn new technologies.
 </li>
 <li>
 Excellent communication skills in English (both written and spoken).
 </li>
 <li>
 Availability to work approximately 2,5 days/22,5 hours per week.
 
 
 </li>
 </ul>
 
 Individual benefits are adapted to meet local legal regulations, the requirements of different job profiles, locations, and individual preferences.
 
 
 
 At Siemens we are always challenging ourselves to build a better future. We need the most innovative and diverse Digital Minds to develop tomorrows reality. Find out more about the Digital world of Siemens here: www.siemens.com/careers/digitalminds
 
 
 As Siemens we believe physical barriers are not related to potential. Only the potential matters to us. Therefore, we look forward to receive applications of candidates with physical barriers and chronic illnesses. We support healthy relationships between candidates with barriers and their colleagues because we believe we can create differences together.
 
 
 Siemens is dedicated to quality, equality, and valuating diversity and we welcome applications that reflect the diversity of the communities within which we work.
 
 
 We are looking forward to receiving your online application. Please ensure you complete all areas of the application form to the best of you ability as we will use the data to review your suitability to the role.
 
 
 Please find more information from our web site:
 
 
 https://new.siemens.com/tr/tr.html
 
 
 Contact
 
 
 If you need more information please don't hesitate to contact us.
 
 
 +90 216 459 20 00
 
 
 https://new.siemens.com/tr/tr/genel/iletisim.html
 
 
 insanorganizasyon.tr@siemens.com
 
 
 www.instagram.com/siemensturkiye
 
 
 https://m.youtube.com/user/Siemens
 
 
</div>

Part-time Working Student (Test Automation Developer)

OBSS

<div>
 
 
 About the Job
 
 
 
 
 
 
 
 Company Description
 
 
 
 OBSS is Turkey&rsquo;s largest technology consultancy, pioneering product development and technology consulting for an AI-native future. With more than 20 years of experience and offices in Istanbul, Ankara, London, Amsterdam, and Baku, we empower leading companies in banking and finance, insurance, e-commerce, retail, and the start-up ecosystem. Our team of over 1000 talented professionals thrives on collaboration, innovation, and continuous learning. We are now looking for a .NET Developer to join us and contribute to building high-quality, end-to-end solutions that create real business impact.
 
 
 
 
 
 OBSS is looking for a
 
 .NET Developer
 
 to join our dynamic team and contribute to delivering end-to-end software solutions across diverse industries. You will work on cutting-edge projects, collaborating with cross-functional teams to design, develop, and maintain high-quality applications that solve real business problems.
 
 
 
 
 
 
 Main Responsibilities
 
 
 <ul>
 <li>
 Collaborate with business analysts, project managers, and other stakeholders to define and understand requirements
 </li>
 <li>
 Design, develop, and maintain .NET-based applications, ensuring scalability, performance, and security
 </li>
 <li>
 Participate in all stages of the software development life cycle, including planning, coding, testing, and deployment
 </li>
 <li>
 Conduct code reviews to ensure quality and adherence to standards
 </li>
 <li>
 Troubleshoot and resolve software issues efficiently
 </li>
 <li>
 Stay up to date with industry trends, tools, and best practices
 </li>
 </ul>
 
 
 
 
 
 Qualifications / Technical Skills
 
 
 <ul>
 <li>
 Bachelor&rsquo;s degree in Computer Science, Software Engineering, or a related field
 </li>
 <li>
 Strong experience with .NET Core, C#, MVC, WebAPI, Entity Framework, and SQL
 </li>
 <li>
 Knowledge of Kubernetes, MSSQL, Redis, and cloud platforms (GCP preferred)
 </li>
 <li>
 Experience with test automation
 </li>
 <li>
 Eager to learn new technologies
 </li>
 <li>
 Good team player with a result-oriented attitude and analytical mindset
 </li>
 <li>
 Strong communication and interpersonal skills
 </li>
 <li>
 High energy and drive
 </li>
 </ul>
 
 
 
 
 
 Additional Informations :
 
 
 
 
 
 
 
 Professional Growth &amp; Learning
 
 
 
 As a tech company, we focus on reskilling and upskilling to support career growth. We offer a personalized Individual Growth Program (IGP), where employees set clear goals for each half of the year. These goals may include trainings, certifications, and personal development milestones, creating a structured roadmap for continuous improvement. The IGP helps employees strengthen both technical and soft skills, ensuring steady professional advancement.
 
 
 
 
 
 
 Company Culture and Values
 
 
 
 We celebrate diversity, inclusion, and equal opportunity, fostering a collaborative environment where innovation can flourish. Our culture emphasizes mentorship, knowledge sharing, and active participation in tech communities, workshops, and team events. This vibrant atmosphere empowers employees to contribute their best while feeling supported and valued.
 
 
 
 
 
 
 Benefits and Perks
 
 
 
 We provide competitive salaries, flexible and hybrid working arrangements, and a wide range of opportunities for growth through training programs, certifications, and workshops. In addition, we offer initiatives designed to build a supportive and engaging workplace where curiosity and collaboration are encouraged. These benefits ensure that employees feel motivated, empowered, and equipped to reach their full potential.
 
</div>

.Net Developer

KoçDigital

<div>
 
 
 Who we are
 
 
 
 As Ko&ccedil;Digital, we combine strengths of Ko&ccedil; Holding to partner with our clients on their most complex digital challenges. Leveraging our Advanced Analytics and Internet of Things (IoT) solutions, we unlock tangible and lasting impact for its clients. Through Ko&ccedil;Digital Academy, our world class comprehensive training center on Advanced Analytics &amp; IoT, we enable our partners and customers.
 
 
 
 
 
 Here at Ko&ccedil;Digital, you&rsquo;ll have the chance to work with clients in every industry area. Ko&ccedil;Digital is a constellation of teams focused on driving practical results for clients by applying leading edge analytics approaches.
 
 
 
 
 
 
 Job Description
 
 
 
 We are seeking strong candidates with Software Developer skills to start an exciting career within Ko&ccedil;Digital with a focus on IoT to support research and development of innovative engineering products that will drive our company&rsquo;s growth in the future.
 
 
 
 
 
 
 
 
 
 Responsibilities
 
 
 
 &middot; Be part of the IoT platform development team
 
 
 &middot; Write clean, testable code using C# with .Net Core
 
 
 &middot; Act as a full-stack developer when required
 
 
 &middot; Develop &amp; test product features &amp; functionality
 
 
 &middot; Conduct code reviews and provide feedback to team members
 
 
 &middot; Discover, learn, and implement new technologies, best practices
 
 
 &middot; Improve scalability, stability, and efficiency of the product
 
 
 &middot; Follow outlined standards of quality related to code and systems
 
 
 &middot; Support production systems, improve performance and quality
 
 
 &middot; Collaborate in a cross-functional Agile Team
 
 
 
 
 
 
 
 
 
 Qualifications
 
 
 
 &middot; B.Sc in Computer Science or related Engineering fields
 
 
 &middot; 6+ years of experience in .Net Development (specifically .Net Core)
 
 
 &middot; Experience with team collaboration systems (Azure Devops, Git, Jira)
 
 
 &middot; Experience in Frontend technologies, and JavaScript Frameworks (Vue, React)
 
 
 &middot; Experience with relational databases (PostgreSQL, MsSQL)
 
 
 &middot; Experience with NoSQL Databases: ElasticSearch, Redis, Cassandra
 
 
 &middot; Experience with messaging queues (RabbitMQ , Kafka)
 
 
 &middot; Knowledge of IoT messaging protocols (Mqtt, Xmpp, etc)
 
 
 &middot; Experience in Microservice technologies and RESTful Web services
 
 
 &middot; Good knowledge of Domain Driven Design and Programming Patterns
 
 
 &middot; Good English (spoken and written)
 
 
 
 
 
 
 
 
 
 
 
 
 What we offer:
 
 
 
 
 
 <ul>
 <li>
 Akademi Plus - Technical and Personal Development Trainings
 </li>
 <li>
 Ko&ccedil; Group and internal career opportunities/rotations
 </li>
 <li>
 On-campus sports center and Ko&ccedil; Community Sports Club opportunities
 </li>
 <li>
 Flextra - Flexible benefits package
 </li>
 <li>
 Social Support Payments
 </li>
 <li>
 Mobile phone and internet
 </li>
 <li>
 TokenFlex digital meal card
 </li>
 <li>
 Birthday leave
 </li>
 <li>
 The privileged world of being a Ko&ccedil; member with Ko&ccedil; Ailem, Ko&ccedil; Akademi, and Ko&ccedil; Healthcare
 </li>
 </ul>
 
 
</div>

Senior Developer

Vodafone

<div><div><div><div><h2 class="jobSectionHeader">Join Us</h2>
</div><div>
At Vodafone, we&rsquo;re not just shaping the future of connectivity for our customers &ndash; we&rsquo;re shaping the future for everyone who joins our team. When you work with us, you&rsquo;re part of a global mission to connect people, solve complex challenges, and create a sustainable and more inclusive world. If you want to grow your career whilst finding the perfect balance between work and life, Vodafone offers the opportunities to help you belong and make a real impact.</div></div><div><div><h2 class="jobSectionHeader">
What you&rsquo;ll do</h2>
</div><div><ul><li>After ensuring all end2end requirements of all parties are understood, deliver most appropriate solution that planned based on requested speed, quality and cost</li><li>Lead and manage feasibility and technical design to deliver companywide technical solution with effective management of processes and in line with agreed budgets</li><li>Lead and manage related products/solutions&rsquo; lifecycle, determine future opportunities for innovations/change/improvements and create communication channels in order to track user experience proactively</li><li>Contribute in planning and architectural design activities about related projects and products
</li><li>As a member of the squad, software developer is responsible for all the activities that lead the team to achieve their sprint goals &amp; team KPIs.</li><li>Supports ideation and scoping processes for scoring, feasibility and complexity of the concepts.</li><li>Estimates size of backlog items</li><li>Provide technical and financial (CAPEX) information including effort estimation, constraints and dependencies; highlight potential risks and offer alternative solutions
</li><li>Delivers detailed functional and technical analysis against backlog items in line with solution designers in other squads; handshakes on the specifications of the integrations points.
</li><li>Deliver end to end solutions based on agreed scope of requirements, in line with Group and TR IT&rsquo;s target architecture and strategy.</li><li>Together with Ops and Infrastructure teams, studies dimensioning for the systems in the domain based on the traffic forecast provided by the business unit</li><li>Works with product owner and solution developer define backlog items (epics, features, user stories, tasks) for the necessary cases</li><li>Translates backlog items into engineering design and logical units of work (tasks) with the solution developers.</li><li>Supports testers for test case preparation; reviews test cases.</li><li>Provides design support for defects and issues raised by relevant stakeholders regarding the domain under the teams responsibility.</li><li>Works with solution architect to maintain product roadmaps and target architecture
</li><li>Reviews and approves vendor design documents; follow-ups vendor development.</li><li>If assigned as a Lead Solution Designer, drives e2e design activities, ensures e2e quality of the delivery.</li><li>Manage relations and cooperation with Group
</li><li>Contribute to Group business and technology plans,</li><li>Provide information and know-how sharing,</li><li>Follow up Group IT implementation recommendations</li></ul></div></div><div><div><h2 class="jobSectionHeader">
Who you are</h2>
</div><div><ul><li>Bachelor's degree from Computer Engineering, Information Systems Engineering, Mathematics Engineering and other related departments,</li><li>5+ years of software analysis/design/development/engineering experience.</li><li>Broad knowledge of software technology and development processes, particularly Scrum, TDD or BDD, disciplined agile delivery and lean development</li><li>Must possess a complete understanding of all aspects of test automation, continuous integration and continuous deployment concept</li><li>High level knowledge of Cloud Technologies(Openshift is plus) and MicroService architecture</li><li>Experience on any unit testing tool</li><li>Knowledge of technology structures: networks, database, communications,</li><li>Hands on knowledge on Java React Framework.</li><li>Hands on knowledge on Java, SpringBoot.</li><li>Knowledge of SQL, PL/SQL and No-SQL open source databases like Mongo etc.
</li><li>Knowledge of DevSevOps Pipeline and experience on CI/CD tools like Git, Jenkins.</li><li>Experience in CRM and Sales Force Automation projects is a plus.</li><li>Customer focused, dependable solution oriented, hardworking, team focused</li><li>Ability to a systematic, disciplined and analytical approach to problem solving</li><li>Result oriented, strongly motivated leader with excellent interpersonal communication and negotiation skills</li><li>Eagerness for quality and continuous improvement of processes</li><li>Familiar with working in an international environment</li><li>Eagerness for quality and continuous improvement of processes</li><li>Strong Presentation skills</li><li>Ability to work under pressure and tight deadlines</li><li>Very good level of English proficiency</li></ul></div></div><div><div><h2 class="jobSectionHeader">
Not a perfect fit?</h2>
</div><div>
Worried that you don&rsquo;t meet all the desired criteria exactly? At Vodafone we are passionate about empowering people and creating a workplace where everyone can thrive, whatever their personal or professional background. If you&rsquo;re excited about this role but your experience doesn&rsquo;t align exactly with every part of the job description, we encourage you to still apply as you may be the right candidate for this role or another opportunity.</div></div><div><div><h2 class="jobSectionHeader">
What's in it for you</h2>
</div><div><div>
We like to keep them flexible: 
 
<ul><li>Vflexy: Flexible Benefits Program</li><li>Hybrid working kit</li><li>Ergonomic kit allowance</li><li>Digital meal voucher</li><li>Flexible transportation allowance.</li><li>Employee assistance hotline &amp; counselling</li><li>Comprehensive and flexible private health insurance</li><li>Discounted price deals for wide range of products &amp; services</li></ul> 
Plus, plenty more to enjoy!If you want to know more about us and what we do, then visit our website: www.vodafone.com.tr 
 
https://www.vodafone.com.tr/insan-kaynaklari 
 
Instagram: https://www.instagram.com/vodafonekariyer/ 
 
Youtube: https://www.youtube.com/user/VFTurkiye 
 
Data Privacy 
By applying for this job, you accept the Vodafone Privacy Policy. Please visit Privacy Policy web page at https://careers.vodafone.com/privacy-policy/turkey/ for further details.</div></div></div><div><div><h2 class="jobSectionHeader">
Who we are</h2>
</div><div>
We are a leading international Telco, serving millions of customers. At Vodafone, we believe that connectivity is a force for good. If we use it for the things that really matter, it can improve people's lives and the world around us. Through our technology we empower people, connecting everyone regardless of who they are or where they live and we protect the planet, whilst helping our customers do the same.
Belonging at Vodafone isn't a concept; it's lived, breathed, and cultivated through everything we do. You'll be part of a global and diverse community, with many different minds, abilities, backgrounds and cultures. ;We're committed to increase diversity, ensure equal representation, and make Vodafone a place everyone feels safe, valued and included.
If you require any reasonable adjustments or have an accessibility request as part of your recruitment journey, for example, extended time or breaks in between online assessments, please refer to https://careers.vodafone.com/application-adjustments/ for guidance.
Together we can.</div></div></div></div>

Software Engineer

TankX

<div>
 
 About the job
 
 
 
 
 
 
 Location:
 
 Loft Levent, &Scedil;i&scedil;li/Istanbul (Hybrid)
 
 
 
 
 
 
 About Us
 
 
 
 
 
 
 TankX is a global leader in high-frequency trading and liquidity provision, specializing in digital assets, FX, and fixed-income markets. We leverage cutting-edge technology, sophisticated mathematical models, and unparalleled software engineering expertise to deliver competitive pricing on a global scale. As a fast-growing technology company, we foster an environment of relentless innovation, collaboration, and continuous professional growth.
 
 
 
 
 
 We're looking for an exceptional
 
 Lead Software Engineer
 
 to join our team and drive the evolution of our trading infrastructure.
 
 
 This is a pivotal role for a highly skilled and experienced developer ready to take on significant ownership in a dynamic, high-stakes environment.
 
 
 
 
 
 As a
 
 Lead Software Engineer
 
 , you'll be instrumental in shaping the architecture, performance, and reliability of our proprietary high-frequency trading systems. You'll lead by example, mentoring a team of talented engineers while directly contributing to mission-critical projects that impact multibillion-dollar trade volumes yearly.
 
 
 
 
 
 
 Responsibilities:
 
 
 
 
 
 
 As a Lead Software Engineer, your responsibilities will include:
 
 
 
 
 <ul>
 <li>
 Lead the design, development, and optimization of low-latency trading systems, order management systems, and market data handlers crucial for high-frequency trading.
 </li>
 <li>
 Guide a team of quantitative developers fostering best practices in coding, system design, and performance optimization. Collaborate closely with quantitative researchers to translate complex mathematical models and trading strategies into robust, high-performance, and resilient code.
 </li>
 <li>
 Drive efforts to identify and eliminate bottlenecks, ensuring maximum throughput and minimal latency across all components of the trading infrastructure.
 </li>
 <li>
 Proactively identify architectural deficiencies and technical debt in the codebase, developing and executing clear action plans for remediation.
 </li>
 <li>
 Develop and implement strategies for building scalable systems, anticipating future growth (e.g., advising on infrastructure needs for entering new markets with projected volumes).
 </li>
 <li>
 Champion system stability, resilience, and operational excellence, including advanced debugging, monitoring, and troubleshooting of production systems.
 </li>
 <li>
 Oversee the design, implementation, and maintenance of comprehensive test cases, ensuring robust testing methodologies and quality assurance.
 </li>
 <li>
 Ensure alignment and effective communication across different technical teams, fostering a synchronized development environment.
 </li>
 </ul>
 
 
 
 
 
 Required Qualifications:
 
 
 
 
 
 <ul>
 <li>
 Bachelor&rsquo;s and/or Master&rsquo;s degree in Computer Engineering, Electrical and Electronics Engineering, or a closely related quantitative field.
 </li>
 <li>
 Minimum 4 years of demonstrable professional experience software development, with a significant portion in performance-critical domains such as high-frequency trading, or real-time data processing.
 </li>
 <li>
 Proven experience working in a startup environment, including demonstrable experience in managing a team within a startup.
 </li>
 <li>
 Strong ability to identify architectural problems in a codebase and formulate actionable plans to address them.
 </li>
 <li>
 Demonstrated understanding of what it takes to build scalable systems, including anticipating and planning for increased volume and new market entries.
 </li>
 <li>
 Experience in coordinating and maintaining synchronization between different engineering teams.
 </li>
 <li>
 Proficiency in designing and overseeing the implementation of comprehensive test cases.
 </li>
 <li>
 Exceptional proficiency in Python and/or C++, with a deep understanding of their performance characteristics and best practices for system programming.
 </li>
 <li>
 Solid experience with distributed systems, concurrent programming, and asynchronous architectures.
 </li>
 <li>
 Fundamental knowledge of financial markets, trading protocols (e.g., FIX, ITCH, OUCH, WebSocket, REST), and quantitative trading concepts, or a strong willingness to rapidly acquire this knowledge.
 </li>
 <li>
 Strong problem-solving abilities and a methodical approach to debugging complex, distributed systems.
 </li>
 <li>
 Excellent communication skills, capable of articulating complex technical concepts to both technical and non-technical stakeholders.
 </li>
 <li>
 Ability to thrive in a fast-paced, data-driven environment with meticulous attention to detail.
 </li>
 <li>
 Proficiency in English for all professional communication and knowledge sharing.
 </li>
 </ul>
 
 
 
 
 
 Preferred Qualifications:
 
 
 
 
 
 <ul>
 <li>
 Proficiency in Go and/or other low-latency programming languages.
 </li>
 <li>
 Demonstrated success at competitive programming or mathematical olympiads at the national or international level.
 </li>
 </ul>
 
 
 
 
 
 What We Offer:
 
 
 
 
 
 <ul>
 <li>
 An opportunity to lead and innovate at the forefront of high-frequency trading technology.
 </li>
 <li>
 Direct impact on multibillion-dollar trade volumes and critical business outcomes.
 </li>
 <li>
 Collaboration with top-of-the-class engineers.
 </li>
 <li>
 A hybrid and flexible work environment in a modern, centrally located office.
 </li>
 <li>
 A highly competitive compensation package.
 </li>
 <li>
 Attractive bonus structure and equity options.
 </li>
 <li>
 Comprehensive private health insurance with dental coverage and a meal card.
 </li>
 </ul>
 
 
 
 
 If you are passionate about low-latency systems, quantitative finance, and solving the most challenging technical problems, we encourage you to apply and help us push the boundaries of trading at TankX!
 
 
 
</div>

Lead Software Engineer

<div>
 
 
 About the Job
 
 
 
 
 
 
 
 Company Description
 
 
 
 OBSS is Turkey&rsquo;s largest technology consultancy, pioneering product development and technology consulting for an AI-native future. With more than 20 years of experience and offices in Istanbul, Ankara, London, Amsterdam, and Baku, we empower leading companies in banking and finance, insurance, e-commerce, retail, and the start-up ecosystem. Our team of over 1000 talented professionals thrives on collaboration, innovation, and continuous learning. We are now looking for a Mobile Developer to join us and contribute to building high-quality, end-to-end solutions that create real business impact.
 
 
 OBSS is looking for a
 
 Mobile Developer
 
 to join our dynamic team and contribute to delivering end-to-end software solutions across diverse industries. You will work on cutting-edge projects, collaborating with cross-functional teams to design, develop, and maintain high-quality applications that solve real business problems.
 
 
 
 
 
 
 Main Responsibilities
 
 
 
 
 
 <ul>
 <li>
 Design, develop, test, and maintain high-quality mobile applications for both iOS and Android.
 </li>
 <li>
 Collaborate with
 
 UX/UI designers, backend developers, business analysts, and product managers
 
 to deliver innovative and user-friendly mobile solutions.
 </li>
 <li>
 Architect scalable, reusable, and maintainable codebases following clean code principles.
 </li>
 <li>
 Integrate APIs, third-party libraries, and SDKs effectively.
 </li>
 <li>
 Optimize app performance, responsiveness, and battery efficiency.
 </li>
 <li>
 Implement and maintain automated testing to ensure application stability.
 </li>
 <li>
 Participate in Agile/Scrum ceremonies, including sprint planning, stand-ups, and retrospectives.
 </li>
 <li>
 Conduct code reviews and contribute to improving development standards and practices.
 </li>
 <li>
 Stay updated with emerging mobile technologies and trends, and apply them where appropriate.
 </li>
 <li>
 Troubleshoot and resolve issues to maintain a seamless user experience.
 </li>
 </ul>
 
 
 
 
 
 Qualifications / Technical Skills
 
 
 
 
 
 <ul>
 <li>
 Bachelor&rsquo;s or Master&rsquo;s degree in Computer Science, Software Engineering, or a related field.
 </li>
 <li>
 Minimum
 
 7 years
 
 of professional experience developing native mobile applications for both iOS and Android.
 </li>
 <li>
 Strong proficiency in
 
 Swift
 
 (iOS) and
 
 Kotlin/Java
 
 (Android).
 </li>
 <li>
 Solid understanding of platform SDKs (
 
 iOS SDK, Android SDK, Jetpack components
 
 ) and development tools (
 
 Xcode, Android Studio
 
 ).
 </li>
 <li>
 Experience with modern architectural patterns such as
 
 MVVM, MVP, MVI, VIPER, Clean Architecture
 
 .
 </li>
 <li>
 Familiarity with
 
 UI frameworks
 
 : UIKit, SwiftUI, Combine (iOS); Material Design, Jetpack Compose, Coroutines, Flow (Android).
 </li>
 <li>
 Experience with
 
 networking and APIs
 
 (RESTful APIs, JSON, Alamofire, Retrofit) and local databases (Core Data, SQLite, Room, Realm).
 </li>
 <li>
 Knowledge of unit testing and UI testing frameworks (e.g., XCTest, JUnit, Espresso).
 </li>
 <li>
 Understanding of good UI/UX principles and ability to implement pixel-perfect designs.
 </li>
 <li>
 Proficiency with
 
 Git
 
 and experience with CI/CD tools (e.g., Jenkins, GitHub Actions).
 </li>
 <li>
 Strong problem-solving, analytical thinking, and attention to detail.
 </li>
 <li>
 Excellent communication skills and ability to work in
 
 Agile/Scrum
 
 environments.
 </li>
 <li>
 Published apps on the
 
 App Store
 
 and/or
 
 Google Play
 
 or contributions to open-source projects.
 </li>
 </ul>
 
 
 
 
 
 Additional Informations
 
 
 
 
 Professional Growth &amp; Learning
 
 
 
 As a tech company, we focus on reskilling and upskilling to support career growth. We offer a personalized Individual Growth Program (IGP), where employees set clear goals for each half of the year. These goals may include trainings, certifications, and personal development milestones, creating a structured roadmap for continuous improvement. The IGP helps employees strengthen both technical and soft skills, ensuring steady professional advancement.
 
 
 
 
 
 
 Company Culture and Values
 
 
 
 We celebrate diversity, inclusion, and equal opportunity, fostering a collaborative environment where innovation can flourish. Our culture emphasizes mentorship, knowledge sharing, and active participation in tech communities, workshops, and team events. This vibrant atmosphere empowers employees to contribute their best while feeling supported and valued.
 
 
 
 
 
 
 Benefits and Perks
 
 
 
 We provide competitive salaries, flexible and hybrid working arrangements, and a wide range of opportunities for growth through training programs, certifications, and workshops. In addition, we offer initiatives designed to build a supportive and engaging workplace where curiosity and collaboration are encouraged. These benefits ensure that employees feel motivated, empowered, and equipped to reach their full potential.
 
 
 
</div>

Mobile Developer (iOS & Android)

Explore 393+ Software test developer in Istanbul Turkey this November. Find roles across top companies and apply now to boost your career.