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mobile engineer

Crs Soft

<div>
 
 
 Who we are?
 
 
 
 
 
 
 It&rsquo;s time to turn on bright mode. Let&rsquo;s meet!
 
 
 We are a software company that produces niche technologies with an innovative, dynamic, and added-value understanding to the leading companies in its field, serving in different sectors in Turkey and abroad. For starters, the first thing you should know is that Crs is an umbrella organization. Our e-transformation brand, e-d&uuml;nya, offers digital solutions on a single platform. Our game brand Corvus Jay provides players of all ages and backgrounds with captivating, humorous, and artistic games that transcend the ordinary and deliver unforgettable experiences with its open-minded, humorous, creative, and vibrant world of pop art. We are excited to expand our investment areas and the sectors we are involved in. Our focus is on innovative research, exploring Big Data Processing, AI, machine learning, and game development. As one of the top 500 IT companies in Turkey, we are one of the fastest-growing technology companies selected by Deloitte Turkey for the 6th time in a row. Our route is always the same, the future!
 
 
 
 
 
 
 Job Description
 
 
 
 
 
 
 As a Mobile Engineer you will participate in agile software development process, drive development of large-scale, distributed mobile-based applications and develop innovative mobile applications. You should bring and share sufficient process experience in Agile/Scrum methodology, emphasizing collaboration and teamwork in application to large enterprise software development projects.
 
 
 
 
 
 
 The ideal candidate will have:
 
 
 
 
 
 <ul>
 <li>
 BS or MS degree in computer engineering, computer science or equivalent experience
 </li>
 <li>
 0-2 years experience in software projects
 </li>
 <li>
 Perform full life-cycle development tasks for cross-platform applications
 </li>
 <li>
 Strong understanding of OOP principles and software design patterns
 </li>
 <li>
 Knowledge of HTTP/HTTPS protocols, RESTful APIs
 </li>
 <li>
 Knowledge of GIT and experience in branch models
 </li>
 <li>
 Familiarity with platforms such as Android Studio, Xcode
 </li>
 <li>
 Knowledge of Node.js and React Native
 </li>
 <li>
 Experience with open source platforms, including contributions on open source platforms is a plus
 </li>
 <li>
 Innovative point of view and passioned in learning new things and developing him/her self
 </li>
 <li>
 Good analytical skills, and being eager to develop and take on responsibility
 </li>
 <li>
 Fluency in English
 </li>
 </ul>
 
 
 
 
 
 Perks &amp; Benefit
 
 
 
 
 
 <ul>
 <li>
 Being part of an innovative team with a young and dynamic mindset
 </li>
 <li>
 Buffet breakfast in the office every morning
 </li>
 <li>
 Comprehensive private health insurance package
 </li>
 <li>
 Meal card &amp; commute compensation,
 </li>
 <li>
 Lots of events and celebrations (check out @crssoft on Instagram)
 </li>
 <li>
 Education fund to support learning and development opportunities
 </li>
 <li>
 Paid birthday off to spend time with your loved ones
 </li>
 <li>
 A gift book on your birthday
 </li>
 <li>
 All the technical equipment and licenses you need
 </li>
 <li>
 Marriage leave (5 days)
 </li>
 <li>
 No dress code!
 </li>
 </ul>
 
 
 
 
 
 Join Us
 
 
 
 
 
 
 Work hard play hard. 😊 At Crs Soft, we benefit from the power of technology and science, and we achieve the best with our creative and innovative team. Lifelong learning, open-mindedness and leadership are part of our culture. We celebrate all our achievements and special moments together and we know how to have fun.
 
</div>

Mobile Engineer

Sezzle

<div>The salary range for this role is $4,600 - $9,500 per month (Gross in USD)

About Sezzle:

With a mission to financially empower the next generation, Sezzle is revolutionizing the shopping experience beyond payments, blending cutting-edge tech with seamless, interest-free installment plans that make shopping smarter and more accessible. We're not just transforming payments; we're redefining how people discover, interact with, and purchase the things they love while driving real impact on merchant sales through increased conversions and higher order values. As we continue to shape the future of fintech and retail, we're building an innovative, dynamic team passionate about creating more than just a transaction but a truly unique shopping journey. If you're excited about pushing boundaries in tech and delivering a game-changing experience for consumers and merchants alike, come join us at Sezzle and help create the future of shopping!

About the Role:

We are seeking a talented and motivated Senior Mobile Engineer who is best in class with a high IQ plus a high EQ. This role presents an exciting opportunity to thrive in a dynamic, fast-paced environment within a rapidly growing team, with abundant prospects for career advancement.

Compensation

The compensation range for the role is as follows:
<ul>
<li>4,600 - 9,500 USD Monthly</li>
</ul>
What You'll Do:
<ul>
<li>Help own and build out new features within our cross-platform TypeScript React Native app, and Golang backend APIs.</li>
<li>Manage our releases, using tools like cohorting, feature flags, and app-store infrastructure to ensure a safe rollout to our millions of active users.</li>
<li>Maintain a strong working relationship with product, design, and the business to ensure stakeholder needs are being evaluated and met.</li>
<li>Work with the team to continuously build clean, scalable, robust, and testable code.</li>
<li>Develop a deep working knowledge of your application, data domain, and KPIs.</li>
</ul>
What We Look For:
<ul>
<li>5+ years of professional mobile development experience, with at least 2+ years in React Native or similar technology such as Flutter.</li>
<li>Experience working with native code on iOS (Swift/ObjC) and Native Android (Kotlin/Java).</li>
<li>Experience developing and delivering a mobile application to Apple and Google's mobile app stores.</li>
<li>Deep understanding of React Native architecture, hooks, context, navigation patterns, and performance optimization.</li>
<li>Strong familiarity with unit testing, integration testing, and E2E testing (Jest, React Native Testing Library, Detox, Appium, etc.).</li>
<li>Ability to lead features end-to-end &mdash; from requirements, design, implementation, deployment, monitoring, and improvement.</li>
<li>Experience mentoring junior or mid-level engineers.</li>
<li>Capable of performing high-quality code reviews with focus on maintainability, clarity, and best practices.</li>
<li>Drives technical decisions, proposes improvements, and elevates code quality across the team.</li>
<li>Works well with product managers, designers, backend teams, and QA.</li>
<li>Bachelor's degree in computer science</li>
<li>Knowledge of mobile CI/CD pipelines (Fastlane, Bitrise, GitHub Actions, etc.).</li>
</ul>
Preferred Knowledge and Skills:
<ul>
<li>Knowledgeable in writing automated tests for applications (unit, integration, end-to-end), and implementing them in a CI environment.</li>
<li>Ability to solve problems with backend-focused languages like Go, Python, Java or similar.</li>
<li>Familiarity with typical microservice architecture composed of HTTP APIs.</li>
<li>Experience working with native code on iOS, Android.</li>
</ul>
About You:
<ul>
<li><ul><li>You have relentlessly high standards - many people may think your standards are unreasonably high. You are continually raising the bar and driving those around you to deliver great results. You make sure that defects do not get sent down the line and that problems are fixed so they stay fixed.</li>
<li>You're not bound by convention - your success&mdash;and much of the fun&mdash;lies in developing new ways to do things</li>
<li>You need action - speed matters in business. Many decisions and actions are reversible and do not need extensive study. We value calculated risk-taking.</li>
<li>You earn trust - you listen attentively, speak candidly, and treat others respectfully.</li>
<li>You have backbone; disagree, then commit - you can respectfully challenge decisions when you disagree, even when doing so is uncomfortable or exhausting. You have conviction and are tenacious. You do not compromise for the sake of social cohesion. Once a decision is determined, you commit wholly.</li>
</ul>
</li></ul>Sezzle's Technology Stack:
<ul>
<li>Languages: Golang, Typescript, Python</li>
<li>Frontend: Typescript - React and React Native</li>
<li>Backend: Golang</li>
<li>Database: MySQL, Postgres, Elasticsearch</li>
<li>DevOps &amp; Cloud: AWS, Kubernetes</li>
<li>Version Control: Git</li>
<li>CI/CD: Gitlab</li>
<li>Testing: Developer-driven, focus on automated unit, integration, and end-to-end tests</li>
<li>Sezzle is focused on using open source, and we build what we can before buying!</li>
</ul>
What Makes Working at Sezzle Awesome?

At Sezzle, we are more than just brilliant engineers, passionate data enthusiasts, out-of-the-box thinkers, and determined innovators; we are skilled musicians, yogis, cyclists, chefs, golfers, dog-lovers, and rock-climbers. We believe in surrounding ourselves with not only the best and the brightest individuals, but those that are unique and purpose-driven in all that they do. Our culture is not defined by a certain set of perks designed to give the illusion of the traditional startup culture, but rather, it is the visible example living in every employee that we hire.

#Li-remote #Full-time</div>

Senior Mobile Engineer

Peak

<div>
 
 We are looking for a recent graduate Software Engineer to join our Engineering Team. Together with your team, you will be crafting code that brings to life game features, items and levels in our games which are enjoyed by a community of over 40 million monthly active players. This scale comes along with very interesting engineering challenges which we solve together, using a technology-agnostic approach. Alongside with our games, we continue to grow as software engineers and as a team.
 
 
 
 
 
 
 Here&rsquo;s what you'll do
 
 
 
 
 
 <ul>
 <li>
 Build an amazing experience for the millions of users who play every day
 </li>
 <li>
 Design, implement, test and maintain our casual gaming products
 </li>
 <li>
 Write clean, sustainable code and participate in peer code-reviews
 </li>
 <li>
 You will have ownership of a primary work stream, which you will own end-to-end, but you'll also work in close collaboration with your fellow mobile engineers
 </li>
 <li>
 Brainstorm new ideas together with your team to continuously iterate and improve our games' user experience
 </li>
 </ul>
 
 
 
 
 
 Desired skills and experiences
 
 
 
 
 
 <ul>
 <li>
 University degree in Computer Science, Software Engineering, or any equivalent subject
 </li>
 <li>
 Having game projects in Unity is an advantage
 </li>
 <li>
 There&rsquo;s no need to have prior game development experience. If you are an engineer and value a holistic and technology-agnostic approach to software engineering, we&rsquo;d like to hear from you!
 </li>
 </ul>
 
 
 
 
 
 What you&rsquo;ll learn in this role
 
 
 
 
 
 <ul>
 <li>
 How to develop, release and maintain high quality code
 </li>
 <li>
 Strong engineering skills and programming fundamentals
 </li>
 <li>
 A good command of various programming languages (such as C#, Java) and hands-on experience of best practices and idioms of these languages
 </li>
 <li>
 Software architecture design, OOP, and design patterns and principles on various scales
 </li>
 </ul>
 
 
 
 
 
 Working at Peak
 
 
 
 
 
 <ul>
 <li>
 Fast-paced environment with a tight-knit and collaborative culture
 </li>
 <li>
 Never-ending learning and development opportunities
 </li>
 <li>
 Relevant conferences abroad to stay up to date with the latest industry trends
 </li>
 <li>
 Team events and trips
 </li>
 <li>
 We support your personal and professional development with challenging projects and regular feedback
 </li>
 <li>
 Full health benefits
 </li>
 </ul>
</div>

Software Engineer, Games (New Grad)

Dream Games

<div>
 
 We are looking for an experienced Software Engineer to join our performance marketing team. As a Software Engineer, you will modify and iterate on the gameplay to create playable ads. You will need to be creative to make games as attractive as possible for the advertising campaigns and take on considerable ownership and responsibility. You will work closely with marketing managers and artists to create playable ads that millions of people will play worldwide.
 
 
 
 
 
 At Dream Games, all team members have a genuine chance to contribute to the final product and have an impact on the company. If you want to be a team member of a fast-growing company, you might be the person we are looking for!
 
 
 
 
 
 
 Responsibilities
 
 
 
 
 
 <ul>
 <li>
 Designing, implementing, and testing in-game mechanics
 </li>
 <li>
 Creating engaging, interactive ad experiences for mobile marketing campaigns
 </li>
 <li>
 Optimizing playable ads for best performance and minimum size
 </li>
 <li>
 Using A/B testing tools to optimize playable ad performance further
 </li>
 <li>
 Staying up-to-date with the latest best practices of playable ads
 </li>
 </ul>
 
 
 
 
 
 Requirements
 
 
 
 
 
 <ul>
 <li>
 Experience in using Unity with C# for mobile game development
 </li>
 <li>
 Experience in developing playable ads is a big plus
 </li>
 <li>
 Passion for games and game programming
 </li>
 <li>
 Appreciation and understanding of teamwork
 </li>
 </ul>
</div>

Software Engineer, Performance Marketing

<div>
 
 We are looking for a passionate Software Engineer to join our team. You will contribute to all areas of game development, including programming of graphics, game logic, and user interface using Unity. It is not required to have prior game development experience since we believe a competent software engineer can develop great things in any field. You will work effectively as part of a multi-disciplinary team of engineers, artists, and game designers to create games that will be played by millions of people all around the world.
 
 
 
 
 
 At Dream Games, all team members have a genuine chance to contribute to the final product and have an impact on the company. If you want to be a team member of a fast-growing company, you might be the person we are looking for!
 
 
 
 
 
 
 Responsibilities
 
 
 
 
 
 <ul>
 <li>
 Designing, implementing, and testing game features
 </li>
 <li>
 Delivering well-structured code and participating in code-review sessions
 </li>
 <li>
 Creating flexible code that can be easily updated as the product evolves
 </li>
 <li>
 Contributing to the improvement of user experience in the games
 </li>
 </ul>
 
 
 
 
 
 Requirements
 
 
 
 
 
 <ul>
 <li>
 Strong knowledge of OOP and familiarity with Design Patterns
 </li>
 <li>
 Experience in various programming languages such as C#, Java, C++
 </li>
 <li>
 Willing to learn Unity for mobile game development
 </li>
 <li>
 Passion for games and game programming
 </li>
 <li>
 Appreciation and understanding of teamwork
 </li>
 </ul>
</div>

Software Engineer

Voltran App

<div>
 About Voltran
 
 
 Voltran builds AI agents for K&ndash;12 schools and institutions. Our flagship product is
 
 AI Live Lectures
 
 : video- and animation-based live teaching experiences powered by
 
 digital twins
 
 and the coordinated work of
 
 15+ AI agents
 
 &mdash;built to deliver detailed, interactive learning at scale.
 
 
 
 
 The Role
 
 
 We&rsquo;re hiring a
 
 Full Stack Engineer
 
 to help us build and ship end-to-end product experiences across
 
 web, mobile, backend, and AI services
 
 . You&rsquo;ll collaborate closely with mobile and backend teams to integrate intelligent workflows into our platform, and you&rsquo;ll contribute directly to core product features&mdash;from UI to APIs to production infrastructure.
 
 
 
 
 What You&rsquo;ll Do
 <ul>
 <li>
 
 Full-stack product development:
 
 Build user-facing experiences and backend systems that support AI-powered learning flows.
 </li>
 <li>
 
 Backend &amp; APIs:
 
 Design and maintain
 
 REST/GraphQL
 
 services and microservices (Python/FastAPI, Node/TypeScript, or similar).
 </li>
 <li>
 
 AI integration:
 
 Integrate LLM/SLM-powered features (tutoring, content generation, Q&amp;A) into web and Flutter applications.
 </li>
 <li>
 
 Service orchestration:
 
 Build robust service layers that expose AI functionality with strong observability, rate-limiting, and reliability.
 </li>
 <li>
 
 Data &amp; retrieval:
 
 Implement and optimize RAG pipelines (agentic RAG, Graph RAG), vector search, and evaluation workflows.
 </li>
 <li>
 
 Infrastructure &amp; DevOps:
 
 Own CI/CD, containerization, monitoring, and scalable deployments (Docker/Kubernetes on AWS/GCP/Azure).
 </li>
 <li>
 
 Cross-functional collaboration:
 
 Work with product and design to define requirements, deliver polished features, and iterate quickly.
 </li>
 </ul>
 <li>
 
 </li>
 Must-Have Qualifications
 <ul>
 <li>
 
 Full-stack experience:
 
 2+ years shipping production features across frontend + backend.
 </li>
 <li>
 
 Backend strength:
 
 Strong experience building
 
 REST/GraphQL APIs
 
 , microservices, and secure service architectures.
 </li>
 <li>
 
 Frontend proficiency:
 
 Experience with
 
 React / Next.js / Svelte
 
 (or similar) and building clean, responsive UIs.
 </li>
 <li>
 
 AI-enabled systems:
 
 Hands-on experience integrating LLM/SLM capabilities into real products (agents, RAG, tool calling, evals).
 </li>
 <li>
 
 Retrieval &amp; agents:
 
 Familiar with
 
 Agentic RAG
 
 ,
 
 Graph RAG
 
 ,
 
 MCP frameworks
 
 , and
 
 A2A protocol concepts
 
 .
 </li>
 <li>
 
 DevOps &amp; Cloud:
 
 CI/CD + Docker + Kubernetes + cloud deployments (AWS/GCP/Azure or BaaS platforms).
 </li>
 <li>
 
 Engineering fundamentals:
 
 Data structures, algorithms, Git, testing, debugging, and secure coding practices.
 </li>
 <li>
 
 Proof of shipping:
 
 At least one publicly available product/app you&rsquo;ve built or significantly contributed to.
 </li>
 </ul>
 <li>
 
 </li>
 Nice to Have
 <ul>
 <li>
 
 Flutter
 
 experience (mobile integrations).
 </li>
 <li>
 Strong
 
 Python
 
 experience (FastAPI/Flask) and/or
 
 TypeScript/Node
 
 ecosystem depth.
 </li>
 <li>
 Familiarity with
 
 fine-tuning
 
 and RL concepts (policies, trajectories, reward/return).
 </li>
 <li>
 Ability to learn fast, work iteratively, and thrive in a high-ownership startup environment.
 </li>
 </ul>
 <li>
 
 </li>
 What We Offer
 
 <ul>
 <li>
 Competitive salary +
 
 option pool
 
 in a fast-growing edtech startup
 </li>
 <li>
 
 AI IDE subscription
 
 to accelerate your workflow
 </li>
 <li>
 Learning stipend + team offsites
 </li>
 <li>
 High ownership, real product impact, and fast shipping culture
 </li>
 </ul>
 <li>
 
 </li>
 Onboarding &amp; Training
 
 We support new team members with structured learning across
 
 prompt engineering, agents, fine-tuning, reinforcement learning, advanced AI IDE usage
 
 , and practical production workflows&mdash;so you can ramp quickly and ship confidently.
 
 
 
 
</div>

Senior Full Stack Developer

Hepsiburada (NASDAQ: HEPS)

<div>
 
 At Hepsiburada, we are driven by our mission to improve people's lives by developing innovative products and services. Prioritizing customer satisfaction, we offer over 280 million products across more than 30 categories. Through our marketplace model, we bring together over 100,000 businesses. With T&uuml;rkiye&rsquo;s and the region's largest Smart Operations Center, industry-leading R&amp;D initiatives, and innovative solutions, we contribute significantly to the growth of the e-commerce ecosystem. For the past two years, we have proudly held the title of Turkey's most recommended e-commerce platform.
 
 
 
 
 
 Through our innovative services like HepsiJET, Hepsipay, HepsiLojistik, HepsiAd, and Hepsiburada Global, we create value for all our stakeholders. Committed to harnessing technology for social benefit, our &ldquo;Technology Empowerment for Women Entrepreneurs&rdquo; program has connected thousands of women entrepreneurs with e-commerce, supporting their growth. Our goal is to leverage digitalization and e-commerce to enable greater economic participation.
 
 
 
 
 
 With 25 years of experience driven by innovation and entrepreneurship, we proudly continue our journey as &ldquo;T&uuml;rkiye&rsquo;s Hepsiburada&rdquo; and the first and only Turkish company listed on NASDAQ, the world's leading technology exchange.
 
 
 
 
 
 For our colleagues, we offer a work environment that supports creating together and adding more meaning to our work. As a team full of opportunities, we are happy to develop, produce and succeed together.
 
 
 
 
 
 If you want to be part of a team that creates value for everyone and makes life easier through innovative products and services&mdash;and contribute to exciting success stories&mdash;the future starts here.
 
 
 
 
 
 As the owner of the end-to-end Merchant Onboarding Journey and the overall Merchant Mobile App experience at Hepsiburada, you will be responsible for delivering a seamless, intuitive, and consistent merchant experience across mobile touchpoints. This includes leading product discovery, shaping mobile-first workflows, and prioritizing features that bring core merchant panel capabilities into the app.Success in this role requires close partnership with engineering, design, operations, merchant support, and other cross-functional teams to build and scale merchant-facing mobile products and tools. Your decisions will be data-driven, and through continuous stakeholder collaboration, you will deliver efficient, reliable, and user-centric mobile experiences.
 
 
 Ultimately, your efforts will focus on improving merchant activation, increasing mobile adoption, and enhancing overall merchant satisfaction.
 
 
 
 
 
 
 Responsibilities:
 
 
 
 
 
 <ul>
 <li>
 5+ years in product management, preferably within mobile app development, merchant-facing platforms, onboarding experiences, or B2B ecosystems.
 </li>
 <li>
 Demonstrated technical proficiency and experience collaborating closely with engineering teams. Familiarity with mobile architectures, APIs, event tracking, and translating desktop merchant workflows into mobile-first solutions.
 </li>
 <li>
 Proven track record of launching and scaling mobile or merchant-facing features with measurable impact on activation, adoption, and satisfaction.
 </li>
 <li>
 Ability to define and clearly communicate the product vision and strategy, using key metrics such as onboarding conversion, merchant NPS, mobile engagement, and support ticket trends.
 </li>
 <li>
 Experience managing products through all stages of the product lifecycle, ensuring coherence and quality across both mobile and desktop merchant experiences.
 </li>
 <li>
 Highly analytical, with a structured approach to problem-solving. Demonstrated ability to build measurement frameworks that assess the impact of mobile features and onboarding flows, enabling informed and effective decision-making.
 </li>
 </ul>
 
 
 
 
 
 
 We Offer:
 
 
 
 
 
 
 <ul>
 <li>
 We rule the change and you are taking big responsibility for this game.
 </li>
 <li>
 We are learning and improving together with our experiences.
 </li>
 <li>
 Hepsiburada is empowering, supporting, and making the ideas a reality.
 </li>
 <li>
 Working with joy is our secret weapon !
 </li>
 </ul>
 
 
 
 
 
 
 
 https://medium.com/hepsiburadatech
 
 
 https://stackshare.io/hepsiburada
 
 
 
 
 
 
 "Bu ilan sebebiyle yapaca&gbreve;&inodot;n&inodot;z ba&scedil;vurular arac&inodot;l&inodot;&gbreve;&inodot;yla toplanacak ki&scedil;isel verileriniz veri sorumlusu D-Market Elektronik Hizmetler ve Ticaret A.&Scedil; (&ldquo;Hepsiburada&rdquo;) taraf&inodot;ndan 6698 say&inodot;l&inodot; Ki&scedil;isel Verilerin Korunmas&inodot; Kanunu (&ldquo;KVKK&rdquo;) ve ilgili mevzuat kapsam&inodot;nda i&scedil; ba&scedil;vuru s&uuml;re&ccedil;lerinin y&uuml;r&uuml;t&uuml;lmesi amac&inodot;yla otomatik yollarla i&scedil;lenecektir. Detayl&inodot; bilgi i&ccedil;in l&uuml;tfen
 
 Ayd&inodot;nlatma
 
 
 
 
 
 
 Metni&rsquo;ndeki
 
 &Ccedil;al&inodot;&scedil;an Aday&inodot; (https://www.hepsiburada.com/kisisel-verilerin-korunmasi) ki&scedil;i kategorisini inceleyiniz.&rdquo;
 
 
 
 
</div>

Product Manager

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