backend developer

Leartes

<div>
 
 
 🚀 We&rsquo;re Hiring: Backend Developer | Node.js | TypeScript
 
 
 
 
 
 
 
 Leartes Studios is a fast-growing game development company that collaborates with industry leaders such as Microsoft, Epic Games, Adobe, and Nintendo. We are one of the top publishers on the Unreal Engine Marketplace and Unity Asset Store.
 
 
 
 
 
 
 We&rsquo;re looking for a Backend Developer who is passionate about clean architecture, performance, and scalable system design. In this role, you will be responsible for designing, developing, and maintaining backend services, APIs, and data layers while collaborating closely with frontend and product teams.
 
 
 
 
 
 
 🎯 Responsibilities
 
 
 <ul>
 <li>
 Develop scalable, secure, and high-performance backend systems
 </li>
 <li>
 Design, implement, and maintain RESTful APIs
 </li>
 <li>
 Work with databases and optimize queries and data models
 </li>
 <li>
 Implement caching strategies using Redis to improve performance
 </li>
 <li>
 Integrate third-party and internal APIs
 </li>
 <li>
 Contribute to technical documentation and maintain clear system documentation
 </li>
 <li>
 Collaborate with team members using Git-based version control workflows
 </li>
 </ul>
 
 
 
 
 
 🧩 Qualifications - Required Skills
 
 
 <ul>
 <li>
 Strong experience with Node.js development
 </li>
 <li>
 Hands-on experience with AdonisJS or similar frameworks (NestJS, Express, etc.)
 </li>
 <li>
 Solid knowledge of TypeScript
 </li>
 <li>
 Experience using Redis and implementing cache strategies
 </li>
 <li>
 Experience working with databases
 </li>
 <li>
 Strong understanding of RESTful API design principles
 </li>
 <li>
 Proficiency with Git version control
 </li>
 </ul>
 
 
 
 
 
 Nice to Have
 
 
 <ul>
 <li>
 Experience with Next.js
 </li>
 <li>
 Familiarity with Tailwind CSS or UnoCSS
 </li>
 <li>
 Experience with Go
 </li>
 </ul>
 <li>
 </li>
 
 
 
 
 
 🎁 Perks &amp; Benefits
 
 
 <ul>
 <li>
 Meal card (Multinet)
 </li>
 <li>
 Supplementary private health insurance
 </li>
 <li>
 Hybrid working model
 </li>
 <li>
 Opportunity to work with industry-leading partners (Epic Games, Unity, Adobe, Tencent, etc.)
 </li>
 <li>
 Chance to contribute to global projects and build a strong portfolio
 </li>
 <li>
 Supportive, learning-focused team environment
 </li>
 <li>
 Hands-on experience in real production workflows and mentorship opportunities
 </li>
 </ul>
 
 
 
 
 📍 Contract Type: Full Time
 
 
 💻 Industry: Software / Web Technologies / SaaS
 
 
 🌍 Work Model: Hybrid / Remote
 
</div>

Backend Developer

Bitfinex

<div><h4 class="jobSectionHeader">The Original Bitcoin Exchange</h4>
Inspired by Bitcoin's vision of financial freedom, we are committed to empowering individuals to transact and connect seamlessly across the globe. From the early days of the Bitcoin revolution, our mission has been to champion freedom through innovative, reliable, and accessible technology&mdash;ensuring that everyone, everywhere, has the tools to participate in a truly open and borderless world.
We are driven by a relentless pursuit of innovation and financial empowerment. By prioritizing education and delivering a cutting-edge platform, we enable users to seamlessly buy, hold, and trade digital assets with confidence. As the digital asset landscape rapidly evolves, we stay ahead&mdash;offering state-of-the-art trading services that empower both individuals and global liquidity providers. Our forward-thinking, agile approach ensures that financial freedom is not just a vision, but a reality for all.
Our team, composed of visionary individuals with practical expertise, focuses on crafting solutions to the market's toughest challenges. Despite our global presence and impact, we maintain a small, technology-focused core, fostering a culture of collaboration and innovation.
We value integrity and autonomy, empowering our team to contribute from concept to launch. Driven by a passion for lifelong learning and a commitment to advancing freedom, we prioritize high-caliber products and services, with a proven track record of innovation that draws on the dexterity of our teams.<h4 class="jobSectionHeader">
Why Join Us?</h4>
Innovation
At Bitfinex, we merge technology and skill to create an environment where your involvement isn&rsquo;t just appreciated&mdash;it&rsquo;s pioneering the future and pushing boundaries in finance. Our culture values bold creativity, a passion for technology, and a deep belief in Financial Freedom.
Flexibility &amp; Global Reach
We believe in trust, autonomy, and results&mdash;our team operates remotely, ensuring you work from anywhere while collaborating with some of the best talents across the world. We thrive on innovation, autonomy, and breaking new ground.
Fast-Paced &amp; Impactful
Much like the crypto industry itself, our projects move fast, break new ground, and make an impact. Your contributions reach our global audience, shaping the narrative of a decentralized future.
A Team that Thrives on Collaboration
We blend seasoned experts with fresh creative minds, ensuring constant innovation, mentorship, and a dynamic work environment that keeps you at the forefront of achieving your goals. We see integrity and standing up for what is right as the most important qualities.
Grow with the Best
At Bitfinex, we&rsquo;re committed to continuous learning&mdash;whether through technological advancements, creative workshops, or mentorship from leading professionals in the industry.
If you&rsquo;re excited about partaking in shaping the narrative of decentralized finance, you&rsquo;ll feel right at home
We&rsquo;re looking for: Senior Backend Developer
<h4 class="jobSectionHeader">The Role:</h4> 
As a senior Backend Developer, you will be a part of the team that works on the development of the backend components of all Bitfinex Services (main trading application, Lightning Network support, Blockchain integrations, &hellip;.). This includes:<ul><li>
New Products and Features - Bitfinex continuously strives to create innovative new features in order to provide the most professional trading experience for customers. These are developed and deployed using agile methodologies, to ensure the user experience remains the best in the industry.</li><li>
Scalability - all backend services that power Bitfinex platform must remain effortlessly smooth, responsive, and real-time for customers as the platform continues to scale to accommodate new user growth. A good example are the renown Bitfinex API, the most solid, low-latency and complete in our industry.</li><li>
Security - Bitfinex makes Security its most important feature. The Backend Development team is responsible for building all the API services and backend processes with the highest security principles and standard, in order to protect the safety of the entire user base.</li></ul><h4 class="jobSectionHeader">
What You Bring to the Table:</h4><ul><li>
Exceptional Node/JavaScript skills</li><li>
Familiar with microservices architecture</li><li>
Have actively participated in the development of a complex platform</li><li>
Good experience in interacting with databases (MySQL, MongoDB)</li><li>
Ability to quickly learn new technologies</li><li>
Good understanding of security practices</li></ul><h4 class="jobSectionHeader">
Other Valuable Skills:</h4><ul><li>
Experience with blockchain integration</li><li>
Comfortable with high-availability concepts</li><li>
Ruby, Rust or C++ skills are a plus</li><li>
Other technologies of interest: Message queues (Redis), Caches and Job Queues</li></ul><h4 class="jobSectionHeader">
What We Offer:</h4><ul><li>
Flexible Work &amp; Remote-Friendly Culture</li><li>
Mentorship &amp; Growth</li><li>
Competitive Pay</li><li>
Career Development Opportunities</li><li>
Supportive Team Environment</li><li>
Learning &amp; Knowledge Sharing</li><li>
Team-Building Activities</li><li>
Social activities (online &amp; in-person)</li><li>
A collaborative environment where your creativity will have a direct impact on the brand&rsquo;s narrative</li></ul>
Ready to join us in bringing Financial Freedom to all? 
If you&rsquo;re a visionary who thrives at the intersection of technology, knowledge and innovation, we want to hear from you!
Recruitment Data &amp; Security Disclaimer
As part of the hiring process at Bitfinex, we collect personal data such as your name, contact details, location, job preferences, education and employment history, and other information you voluntarily provide. This data is used solely for recruitment purposes, processed in accordance with applicable global data protection laws, including the General Data Protection Regulation (GDPR) and the California Consumer Privacy Act (CCPA), and retained only for as long as necessary to fulfil its purpose.
All assessments and recruitment-related communications are conducted exclusively through official Bitfinex email addresses (e.g., firstname.lastname@bitfinex.com). Bitfinex does not use unofficial channels (such as WhatsApp, Telegram, or SMS) for recruitment communication and does not distribute assessments or sensitive links via those means.
As part of our secure and compliant recruitment process, we may use approved third-party platforms to facilitate candidate assessments. For more information, please refer to our Candidate Privacy Notice and Interview Recording Consent. All candidates have the right to access, correct, or delete their personal data and to withdraw consent at any time, where applicable.
Bitfinex will never request payments, financial information, or personal banking details at any stage of the recruitment process.
If you receive a suspicious request, wish to exercise your data privacy rights, or have further inquiries regarding the legal aspects of the process, contact privacy@bitfinex.com. Please note this inbox is intended for privacy concerns and reports only; any other communications will not be processed.
Equal Opportunity Statement
At Bitfinex, we're committed to equitable opportunities. We do not discriminate based on race, religion, gender, age, disability, sexual orientation, gender identity, or any other protected status. This commitment applies across all stages of recruitment and contractual relationships.</div>

Senior Backend Developer - Node.js (Fully Remote, Worldwide)

ARISE

<div>Arise is a globally active weight-loss app with over 8 million downloads and a 4.7 rating on the App Store. Our mission is simple but ambitious: empower millions of people to become healthier and happier. 
We&rsquo;re looking for an experienced iOS developer who thrives on ownership, precision, and long-term thinking. This role is for someone who can not only deliver high-quality code today but also foresee how decisions made now will impact our app in the months and years ahead&mdash;technically, strategically, and financially. 
If you excel at structured, autonomous work, understand the importance of monetization, and want to build features used by millions, we&rsquo;d love to hear from you. 
 
Your Role 
<ul><li>
Own the iOS codebase&mdash;maintain, optimize, and ensure it&rsquo;s future-proof.</li><li>
Develop and test features that enhance the Arise app experience.</li><li>
Anticipate potential technical pitfalls and proactively design solutions.</li><li>
Collaborate with design to refine usability for a smooth user experience.</li><li>
Align with Android developers to ensure cross-platform consistency, when the time comes.</li><li>
Support monetization strategies by integrating features with measurable business impact.</li></ul>
Requirements 
<ul><li>
Middle 2+ Level Developer with proven track record.</li><li>
Minimum 4 years of iOS development experience.</li><li>
Bachelor&rsquo;s degree in IT or related field preferred.</li><li>
Excellent problem-solving and critical-thinking skills.</li><li>
Comfortable working fully in English.</li></ul>
Technical Skills 
<ul><li>
Strong knowledge of Swift.</li><li>
Experience with Cocoapods and Fastlane.</li><li>
Solid understanding of Apple design principles, patterns, and best practices.</li><li>
Ability to write clean, well-documented, and maintainable code.</li></ul>
Why You&rsquo;ll Love Working with Us 
<ul><li>
High autonomy: own your work from idea to release.</li><li>
Clear decision-making with minimal bureaucracy&mdash;no &ldquo;meetings that should have been emails.&rdquo;</li><li>
Work with the newest hardware and technologies.</li><li>
Flexible, remote-first role (full-time).</li><li>
Paid annual leave.</li><li>
Direct collaboration with founders and management&mdash;your work will have visible impact.</li></ul>
How to Apply 
Send us your application including: 
<ul><li>
Your CV</li><li>
A history of your developed iOS apps</li><li>
Salary expectations</li><li>
(Optional) Code samples or GitHub repositories</li></ul>
Help us build and refine a product that runs like a well-oiled machine&mdash;and improves millions of lives in the process.</div>

iOS App Developer

Skm Group

We&rsquo;re looking for an experienced Lead .NET Developer with Angular expertise to lead a Scrum team building a high-impact platform for valuing and reporting illiquid investments (private equity, credit, real estate).This is a hands-on leadership role combining technical excellence, team guidance, and close client collaboration.What You&rsquo;ll Do<ul><li>Lead and mentor a Scrum team of 6 developers/testers</li><li>Act as the main technical contact for client stakeholders</li><li>Drive high-quality, on-time delivery across the full SDLC</li><li>Design, build, and review production-grade .NET and Angular code</li><li>Champion best practices, clean architecture, and design patterns</li><li>Identify risks early and proactively improve processes and tooling</li></ul>What We&rsquo;re Looking For<ul><li>7+ years of software development experience</li><li>Strong hands-on expertise with .NET Core / C# and Angular</li><li>Experience leading teams and owning technical delivery</li><li>Solid understanding of microservices, CI/CD, and DevOps practices</li><li>Experience with Azure (App Services, Functions, Service Bus, SQL)</li><li>Excellent English communication and a consultative mindset</li><li>Comfortable collaborating with US-based teams</li></ul>Core Tech Stack<ul><li>.NET Core, C#, ASP.NET Core, Web API</li><li>Angular, HTML, CSS, JavaScript</li><li>Microservices, Docker, Kubernetes</li><li>Entity Framework Core, SQL / NoSQL, Redis</li><li>Azure Cloud, OAuth/JWT, MediatR</li><li>xUnit, profiling &amp; monitoring tools (e.g. App Insights)</li></ul>Nice to Have<ul><li>Azure DevOps, GitHub, CI/CD pipelines</li><li>Security best practices (OWASP)</li><li>PowerBI / SSRS, Aspose</li></ul>What We Offer<ul><li>Attractive salary</li><li>Large freedom and real influence</li><li>No unhealthy competition, team approach to meeting challenges</li><li>Remote-first, flexible working culture</li><li>Company apartments in cool cities across Europe: work and enjoy a memorable getaway</li></ul>About UsWe are a software house with 18 years of experience and a global portfolio of projects. We help businesses modernize, scale, and innovate through custom software solutions &mdash; always with a focus on flexibility and quality. Our team embraces unconventional ideas and new technologies, delivering solutions that drive real impact. If you value professionalism, creativity, and a strong engineering culture, you'll feel at home here.Job Type: Full-timePay: Up to 300,000.00TRY per monthExperience:<ul><li>Software development: 7 years (Required)</li><li>Team Lead: 4 years (Required)</li></ul>

Lead .NET Developer (with Angular) [cd273]

Oredata Yazılım Anonim Şirketi

<div>OREDATA is a Digital Transformation &amp; IT Consulting firm with 10+ years of proven expertise and hundreds of successfully implemented projects across the EMEA region. When you join the OREDATA team, you'll be working hand-in-hand with experts focused on tackling digital, operational, analytical &amp; data science challenges with the greatest impact. We foster collaboration with proximity, an agile and autonomous approach and best practices and guiding principles.
Read more: https://medium.com/@oredata-engineering
Apply and be part of our exciting journey!
Responsibilities:
End-to-End Technical Analysis: 
Act as an active Technical Analyst in stakeholder integrations within the TK IFE (In-Flight Entertainment) project.
Stakeholder &amp; Integration Management: 
Lead meetings with international stakeholders and cross-functional teams; consolidate and clarify technical requirements.
Technical Monitoring &amp; Debugging: 
Monitor system metrics, perform log analysis, and actively participate in issue detection and troubleshooting due to the technical complexity of the project.
Process Management: 
Ensure timely project delivery by adhering to monthly milestone (progress payment) plans and sprint schedules.
Requirements:<ul><li>
Bachelor&rsquo;s degree in Engineering (preferably Computer, Software, or Industrial Engineering) from a reputable university</li><li>
Proven experience in large-scale, multi-stakeholder &ldquo;mega projects&rdquo;</li><li>
Active involvement in high-traffic, technically complex application environments</li><li>
Minimum 5+ years of professional experience</li><li>
Strong software development background or advanced technical analyst expertise</li><li>
Ability to produce clear, structured, and developer-friendly documentation</li><li>
Strong command of technical analysis and requirement consolidation</li><li>
Proven ability to manage cross-functional and international stakeholders</li><li>
Advanced proficiency in Jira, Confluence, and project management tools</li><li>
Strong understanding of Agile/Sprint processes</li><li>
Team leadership experience is a plus</li><li>
Experience working in fast-paced, high-pressure environments</li><li>
Mobility across multiple locations (e.g., airport sites) when required</li><li>
Excellent problem-solving skills and attention to detail.</li><li>
Ability to work both independently and as part of a collaborative team.</li><li>
Strong communication skills and a passion for learning and adapting to new technologies.</li></ul>
Get to know us
If you want to know more about us and what we do, then visit our website: www.oredata.com
Why Oredata?<ul><li>
Remote working and flexible time off</li><li>
Open communication, flexibility and start-up spirit</li><li>
Learning &amp; Development opportunities for both personal and professional growth</li><li>
Opportunity to get company paid Professional Certificates (Google Cloud Platform, Confluent Kafka, etc)</li><li>
Access to Online Training Platforms (Udemy, Pluralsight, A Cloud Guru, Coursera, etc.)</li><li>
Dynamic work ecosystem where you can take initiative and responsibility</li><li>
Opportunity to work on international projects</li><li>
Private Health Insurance</li><li>
Birthday Leave Policy</li></ul>
Kişisel verileriniz işe alım s&uuml;recinin y&uuml;r&uuml;t&uuml;lebilmesi amacıyla veri sorumlusu sıfatıyla şirketimiz Oredata Yazılım A.Ş. tarafından işlenecektir. Kişisel verilerinizin işlenmesi ve haklarınızla ilgili detaylı bilgiye https://oredata.com/personal-data-protection-policy/ bağlantısı &uuml;zerinden ulaşabilirsiniz.</div>

Project Manager

Armut / HomeRun

<div>
 
 Armut / Homerun is a leading local services marketplace with over 2 million professionals across over 26,000 services. We aim to make finding good quality, trusted providers easy by using the latest technologies and machine learning algorithms. We serve over 18 million customers with 99% customer satisfaction in 14 different countries with 3 different brands. We&rsquo;re accelerating our sustainable growth and increasing the number of operating countries in the EMEA region.
 
 
 
 
 
 Our strength is rooted in our core values: customer-first thinking, data-driven problem-solving, and continuous learning. These values enabled us to change the local services industry and we&rsquo;ll continue to do this on a global scale. We offer a world-class working environment where entrepreneurial spirits speed up their careers.
 
 
 
 
 
 Want to dive deeper into how we build things and collaborate? We encourage you to check out our public Engineering Handbook for a transparent look at our culture, processes, and values: Engineering Handbook
 
 
 
 
 
 Join us on our journey to be the EMEA leader in the local services marketplace!
 
 
 
 
 
 
 You Will:
 
 
 
 
 
 
 Build the future: Design and develop scalable, high-performance web and React Native applications.
 
 
 Delight users: Ensure every product interaction is seamless and exceeds user expectations.
 
 
 Leverage cutting-edge tech: Work with the latest technologies to build and maintain robust and up-to-date applications.
 
 
 Tame complexity: Refactor code to manage technical debt and ensure a clean, maintainable codebase.
 
 
 Solve big challenges: Be an integral part of a cross-functional team, actively contributing to problem-solving and innovative solutions.
 
 
 Shape architecture: Contribute to designing and evolving the architecture of our systems to ensure scalability, performance, and maintainability.
 
 
 Empower the team: Develop and maintain DevOps processes that keep the team moving fast and efficiently.
 
 
 Inspire growth: Mentor and lead junior engineers, fostering their technical skills and career development.
 
 
 
 
 
 
 You Are:
 
 
 
 Bringing 1&ndash;3 years of proven experience.
 
 
 Having a solid understanding of core web and browser concepts.
 
 
 Proficient in semantic HTML, CSS, core JavaScript concepts, and TypeScript.
 
 
 Experienced in working with RESTful APIs.
 
 
 Skilled in Node.js.
 
 
 Experienced with React or React Native.
 
 
 Familiar with writing automated tests (e.g., Jest, Vitest, Karma, Jasmine, Mocha, AVA, tape, etc.).
 
 
 Comfortable using Git or equivalent version control systems (e.g., Mercurial).
 
 
 Fluent in English, both written and verbal.
 
 
 Strong in analytical thinking, problem-solving, and critical reasoning, with high curiosity.
 
 
 Inclined toward communication, inclusion, visibility, and collaboration. (We work heavily in teams and strongly encourage pair programming.)
 
 
 
 
 
 
 Bonus Points
 
 
 
 Knowledge of GraphQL and Docker.
 
 
 Experience with CI/CD concepts and tools (e.g., GitHub Actions).
 
 
 Experience with mobile application development.
 
 
 Experience with backend development.
 
 
 Experience with distributed systems.
 
 
 Experience in a product company.
 
 
 Experience working with a remote team.
 
 
 Experience working with a global or otherwise multicultural team.
 
 
 Experience contributing to open-source software.
 
 
 
 
 
 
 Why Join Us
 
 
 
 
 
 
 Competitive salary,
 
 
 An opportunity to bring impact and change the service market dynamics, in a stimulating and international environment,
 
 
 Freedom to test, fail and test again in a fast-paced environment,
 
 
 Never-ending growth opportunities supported by learning &amp; development fund,
 
 
 Working environment where your success is not judged by a dress code or working hours,
 
 
 Extra vacation time, flexible working hours and the possibility to work from home,
 
 
 Beach days, theme nights, sports &amp; game events and any other social activity ideas you come up with!
 
 
 
 
 
 
 Our Hiring Process
 
 
 
 Application: Send us your CV.
 
 
 Interview: Discuss your experience &amp; expectations.
 
 
 Case Study: Showcase your skills.
 
 
 Final Interview: Align on mutual goals and values.
 
 
 Welcome Aboard: Join the Homerun team!
 
 
 
 
 
 
 Diversity and Inclusion at Homerun
 
 
 
 We believe in a workplace where everyone feels valued and empowered. Our diverse team, hailing from various backgrounds, is the cornerstone of our success. We're committed to creating an inclusive environment for all employees, celebrating different perspectives and fostering a culture of respect.
 
</div>

Frontend Engineer

Amaris Consulting

Job description
 
We are looking for a Java Developer - Foreign Trade with strong Java 8 expertise and banking sector experience, preferably with foreign trade knowledge.
 
Key Responsibilities
 
Develop and maintain banking and foreign trade applications using Java 8
 
Design and optimize database structures and queries using SQL
 
Contribute to desktop-based financial applications using Visual Studio (WPF)
 
Participate in end-to-end software development lifecycle within banking projects
 
Collaborate with business units to analyze and implement foreign trade requirements
 
Ensure secure, high-performance, and scalable application development
 
Requirements
 
Strong hands-on experience with Java 8
 
Proven experience in the banking sector, preferably in foreign trade (FT) projects
 
Solid knowledge of SQL and database design
 
Experience with Visual Studio and WPF development
 
Strong analytical thinking and problem-solving skills
 
Experience working in structured development environments and large-scale projects
 
If you want to be part of impactful banking and foreign trade projects and contribute with your technical expertise, we encourage you to apply.
 
Amaris Consulting is committed to promoting diversity within its workforce and to creating an inclusive work environment. We consider applications from all qualified individuals, regardless of gender, sexual orientation, race, ethnic origin, beliefs, age, marital status, disability, or any other characteristic.
 Special attention will be given to candidates with disabilities.
 
Who are we?
 Amaris Consulting is an independent technology consulting firm providing guidance and solutions to businesses. With more than 1000 clients across the globe, we have been rolling out solutions in major projects for over a decade – this is made possible by an international team of 7,600 people spread across 5 continents and more than 60 countries. Our solutions focus on four different Business Lines: Information System & Digital, Telecom, Life Sciences and Engineering. We’re focused on building and nurturing a top talent community where all our team members can achieve their full potential. Amaris is your steppingstone to cross rivers of change, meet challenges and achieve all your projects with success.
 
At Amaris, we strive to provide our candidates with the best possible recruitment experience. We like to get to know our candidates, challenge them, and be able to give them proper feedback as quickly as possible. Here's what our recruitment process looks like:
 
Brief Call: Our process typically begins with a brief virtual/phone conversation to get to know you! The objective? Learn about you, understand your motivations, and make sure we have the right job for you!
 
Interviews (the average number of interviews is 3 - the number may vary depending on the level of seniority required for the position). During the interviews, you will meet people from our team: your line manager of course, but also other people related to your future role. We will talk in depth about you, your experience, and skills, but also about the position and what will be expected of you. Of course, you will also get to know Amaris: our culture, our roots, our teams, and your career opportunities!
 
Case study: Depending on the position, we may ask you to take a test. This could be a role play, a technical assessment, a problem-solving scenario, etc.
 
As you know, every person is different and so is every role in a company. That is why we have to adapt accordingly, and the process may differ slightly at times. However, please know that we always put ourselves in the candidate's shoes to ensure they have the best possible experience.
 We look forward to meeting you!

Java Developer - Foreign Trade (Remote)

Explore 11+ Backend developer in Istanbul Turkey this March. Find roles across top companies and apply now to boost your career.