back end developer

Arc Corp

<div>
 Senior Backend Developer (Python)
 
 
 Lokasyon:
 
 Ankara / On-site
 
 
 
 &Ccedil;al&inodot;&scedil;ma &Scedil;ekli:
 
 Tam zamanl&inodot;
 
 
 
 Deneyim:
 
 Minimum 3 y&inodot;l
 
 Bu Rol Kimin &Idot;&ccedil;in?
 
 Bu pozisyon bir &ldquo;teknoloji koleksiyoncusu&rdquo; i&ccedil;in de&gbreve;il.
 
 
 
 CTO&rsquo;nun tan&inodot;mlad&inodot;&gbreve;&inodot; vizyonu
 
 ,
 
 
 
 verilen mimariyi
 
 ,
 
 
 
 belirlenen task&rsquo;lar&inodot;
 
 
 
 
 net &scedil;ekilde koda d&ouml;kecek
 
 , sistem disiplinine uyacak bir senior backend developer ar&inodot;yoruz.
 
 Aranan Yetkinlikler
 <ul>
 <li>
 En az
 
 3 y&inodot;l Python ile backend geli&scedil;tirme deneyimi
 
 </li>
 <li>
 
 Backend servis geli&scedil;tirme konusunda pratik &uuml;retim tecr&uuml;besi
 
 </li>
 <li>
 
 Async / sync ak&inodot;&scedil;lar&inodot; do&gbreve;ru yerde do&gbreve;ru &scedil;ekilde kullanabilme
 
 </li>
 <li>
 
 Verilen mimariye sad&inodot;k kalma ve keyfi teknoloji eklememe disiplini
 
 </li>
 <li>
 
 Task bazl&inodot; &ccedil;al&inodot;&scedil;ma, verilen i&scedil;i eksiksiz ve zaman&inodot;nda &ccedil;&inodot;karma al&inodot;&scedil;kanl&inodot;&gbreve;&inodot;
 
 </li>
 <li>
 
 Temiz, okunabilir, s&uuml;rd&uuml;r&uuml;lebilir kod yazma
 
 </li>
 <li>
 
 Git ile d&uuml;zenli &ccedil;al&inodot;&scedil;ma
 
 </li>
 </ul>
 &Ouml;zellikle Beklenen Zihniyet
 <ul>
 <li>
 &ldquo;Bence &scedil;&ouml;yle yapal&inodot;m&rdquo;dan &ouml;nce
 
 &ldquo;CTO ne istemi&scedil;&rdquo;
 
 diye bakabilen
 </li>
 <li>
 Kendi egosunu mimarinin &ouml;n&uuml;ne koymayan
 </li>
 <li>
 Sistem kurmak de&gbreve;il,
 
 kurulu sistemi do&gbreve;ru b&uuml;y&uuml;tmek
 
 isteyen
 </li>
 <li>
 Gereksiz abstraction, overengineering, moda teknoloji merak&inodot; olmayan
 </li>
 <li>
 Gerekti&gbreve;inde soru soran, ama kafas&inodot;na g&ouml;re yol &ccedil;izmeyen
 </li>
 </ul>
 Sorumluluklar
 <ul>
 <li>
 CTO taraf&inodot;ndan belirlenen backend mimarisine uygun geli&scedil;tirme yapmak
 </li>
 <li>
 Verilen task&rsquo;lar&inodot; do&gbreve;ru &scedil;ekilde implemente etmek
 </li>
 <li>
 Mevcut kodu bozmadan geli&scedil;tirmek ve iyile&scedil;tirmek
 </li>
 <li>
 Geli&scedil;tirme s&uuml;recinde teknik netlik sa&gbreve;lamak (ne yap&inodot;ld&inodot;, ne yap&inodot;lmad&inodot;)
 </li>
 <li>
 Sistemin &ccedil;al&inodot;&scedil;&inodot;r, stabil ve anla&scedil;&inodot;l&inodot;r kalmas&inodot;n&inodot; sa&gbreve;lamak
 </li>
 </ul>
 Sunulan &Idot;mkanlar
 <ul>
 <li>
 
 Competitive maa&scedil;
 
 </li>
 <li>
 
 Yasal yan haklar
 
 </li>
 <li>
 
 Net mimari, net beklenti, net rol
 
 </li>
 <li>
 
 Ger&ccedil;ek &uuml;r&uuml;n, ger&ccedil;ek sorumluluk
 
 </li>
 <li>
 
 &ldquo;Her kafadan bir ses&rdquo; olmayan teknik ortam
 
 </li>
 </ul>
 <li>
 
 </li>
</div>

Back End Developer

Wraith Esports

<div>
 
 Junior Full-Stack Developer (Next.js) &ndash; Worp
 
 
 
 Worp is a data-driven technology product developed under Wraith Esports, operating in the influencer marketing and link attribution space. We are building a next-generation infrastructure that makes marketing performance more transparent, measurable, and understandable for both brands and content creators. Our SaaS platform enables end-to-end analysis of influencer campaigns and link performance from a single system.
 
 
 We are looking for a
 
 Junior Full-Stack Developer
 
 to join our growing team and take an active role in our product development process.
 
 
 
 Qualifications
 
 
 
 <ul>
 <li>
 Experience working with Next.js
 </li>
 <li>
 Strong proficiency in TypeScript (this is particularly important for us)
 </li>
 <li>
 Hands-on experience with ORM tools such as Prisma
 </li>
 <li>
 Good understanding of React and modern frontend development approaches
 </li>
 <li>
 Basic understanding of backend fundamentals (APIs, authentication, database relations)
 
 
 </li>
 </ul>
 
 Nice to Have
 
 
 
 <ul>
 <li>
 Experience working on SaaS products
 </li>
 <li>
 Knowledge of PostgreSQL
 </li>
 <li>
 Ability to adapt to a startup environment and think product-oriented
 </li>
 <li>
 A proactive mindset, willingness to learn, and ability to take responsibility
 
 
 </li>
 </ul>
 
 Responsibilities
 
 
 
 In this role, you will:
 
 
 <ul>
 <li>
 Actively contribute to the development of the Worp platform
 </li>
 <li>
 Work on both frontend and backend development for new features
 </li>
 <li>
 Focus on performance, reliability, and user experience improvements
 </li>
 <li>
 Collaborate closely with the product team from ideation to release
 </li>
 <li>
 Contribute to code quality, documentation, and sustainable architecture
 
 
 </li>
 </ul>
 
 What We Offer
 
 
 
 <ul>
 <li>
 The opportunity to take an active role in building a real product
 </li>
 <li>
 A fast-paced, technology-focused startup culture
 </li>
 <li>
 A young, dynamic, and learning-oriented team
 </li>
 <li>
 A working environment where your ideas matter and you can take real ownership
 
 
 </li>
 </ul>
 
 Ready to join us?
 
 
 
 Apply through this LinkedIn posting and become part of Worp&rsquo;s growing technology team!
</div>

Junior Full-Stack Developer

<div>Would you like to join the leading international intergovernmental organization? 
 
Allied Command Transformation (ACT) is NATO&rsquo;s leading agent for change: driving, facilitating, and advocating the continuous improvement of Alliance capabilities to maintain and enhance the military relevance and effectiveness of the Alliance.
We are looking for a passionate Full-stack engineer who will provide remote support to ACT&rsquo;s digital modernization initiatives, focusing on the design, development, testing, deployment, and sustainment of secure, containerized applications. The work will align with our client's Digital Transformation Implementation Strategy and Data Exploitation Implementation Plan, contributing to the Warfare Development Agenda through interoperable software solutions and APIs that integrate with existing platforms. Close collaboration with the stakeholders, including SHAPE, JWC, and JFTC, will ensure outputs meet our client's requirements while supporting agile delivery, continuous integration/continuous delivery (CI/CD), and cybersecurity standards. Developers must remain flexible and able to rapidly learn new technologies to advance the digital transformation goals. 
Responsibilities:<ul>
<li>
Build containerized application tools following the 12-Factor App methodology, Test Driven Development (TDD), and Extreme Programming (XP).</li>
<li>Develop products as part of a balanced agile team (Product Manager, Product Owner, UI/UX Designer, and Data Scientists as applicable).</li>
<li>Design and implement REST APIs and microservices architecture.</li>
<li>Develop full-stack solutions using modern JavaScript, Python, and/or Java frameworks.<ul>
<li>Perform front-end development (e.g., React, Angular).</li>
<li>Perform back-end development (e.g., Node.js, Django/Flask, SpringBoot).</li>
</ul></li><li>Conduct database design and programming (e.g., MySQL, PostgreSQL, MongoDB).</li>
<li>Deploy containerized applications using Docker, Kubernetes, or OpenShift.</li>
<li>Work in a collaborative, pair programming environment as needed.</li>
<li>Rapidly learn and apply new programming languages, frameworks, and tools.</li>
<li>Support the creation of sustainable DevSecOps pipelines and agile delivery practices.</li>
</ul>
We are happy to hear from you if you have: 
<ul>
<li>
Minimum 4 years of experience in full-stack development using JavaScript, Python, or Java.</li>
<li>Minimum 4 years of experience in front-end development (React, Angular, etc.) and/or back-end development (Node.js, Django/Flask, SpringBoot, etc.).</li>
<li>Minimum 4 years of experience in database design/programming (MySQL, PostgreSQL, etc.).</li>
<li>Experience in REST API design and development.</li>
<li>Experience with Test Driven Development (TDD).</li>
<li>Experience in Microservices Architecture.</li>
<li>Experience deploying containerized applications with Docker, Kubernetes, or OpenShift. 
</li>
<li>Experience working in collaborative, agile teams.</li>
<li>Experience delivering iterative releases in an Agile/DevSecOps environment.</li>
<li>Fluent English skills (verbal and written).</li>
<li>Bachelor&rsquo;s degree in Computer Science, Engineering, or a related field (or equivalent professional experience)</li>
<li>Willingness to work in EST time zone</li>
</ul>
If you've read the description and feel this role is a great match, we'd love to hear from you! Click &quot;Apply for this job&quot; to be directed to a brief questionnaire. It should only take a few moments to complete, and we'll be in touch promptly if your experience aligns with our needs.</div>

Senior Full-stack engineer (EST timezone)

Full House Technology

This is a B2B contract based fully remote position. T&uuml;rkiyeden adaylar i&ccedil;in şahıs ya da limited şirketi olup faturalandırma yapabilmesi gerekmektedir.Company DescriptionWe are looking to onboard developers onto our platform where you will have the chance to work with clients across the world as a contractor.What we offer:<ul><li>The rate depends on your seniority level, skills and experience and the project.</li><li>You can have a flexible schedule to work and it's fully remote.</li><li>We connect you with different platforms where you can work with the best project or tech stack you want and get to know emerging companies around the world.</li><li>We will support you from the time you submit the application throughout all cooperation stages.</li><li>Most of our projects involve working in a fast-paced startup environment. We hope you like it as much as we do.</li></ul>Role DescriptionThis is a fully remote position for a Full Stack Engineer. The Full Stack Engineer will be responsible for designing, developing, and maintaining both front-end and back-end components of web applications after successful interview process with the clients.Qualifications<ul><li>Experience with Software Development practices and principles</li><li>Strong problem-solving and debugging skills</li><li>Excellent teamwork and communication abilities</li><li>Experience with Agile methodologies and version control systems is a plus</li><li>5+ years full stack experience</li><li>React or Next.js/Nestjs + Node.js or Python on the backend</li><li>Experience with sql and nosql databases</li><li>API integration experience</li></ul>Job Type: Full-timePay: From 1,000.00TRY per hourExpected hours: 40 per week

Full Stack Engineer

MobileAction

<div>
 
 Who We Are
 
 
 Mobile Action helps app developers acquire more users. We provide analytics that help others succeed and grow.
 
 
 We are a global App Intelligence company operating in 7 countries (the US, the UK, Canada, Germany, Turkey, Malaysia, and Japan) for over 9 years, a SaaS business with a compact &amp; talented team, and looking into expanding our operation with growth-oriented team members.
 
 
 Briefly, MobileAction helps app companies increase their visibility and conversions in app stores. We offer top-notch intelligence across five products. The products are used by the world's largest app and app-related companies. The company HQ is in San Francisco, with teams in Ankara, London, and Tokyo.
 
 
 
 About The Role
 
 
 Looking for an opportunity in life that will connect you with thousands of international, like-minded people and give you a unique digital experience in a world-class company? Stop there, you are in the right place!
 
 
 We are seeking an organized, motivated, and passionate
 
 Senior Software Engineer
 
 specializing in
 
 Python
 
 to join our team. Join our open, collaborative, and trusting culture that works directly with motivated and inspiring co-workers, where you can also find the opportunity to grow your expertise and skills in Silicon Valley startup culture.
 
 
 We are building and maintaining a Software-as-a-Service platform with a Vue.js front-end and a Java/Spring back-end, using a microservices architecture on AWS/RDS and Heroku. We constantly add new features that attract our current and potential customers, and of course, investors.
 
 
 
 What You&rsquo;ll Do
 
 
 
 <ul>
 <li>
 Building new features into different microservices within our AWS/Heroku architecture
 </li>
 <li>
 Conducting code reviews and writing automated tests,
 </li>
 <li>
 Defining improvements for the application(s) you&rsquo;re working on,
 </li>
 <li>
 Implement Continuous Integration and Continuous Delivery practices,
 </li>
 <li>
 Defining improvements to our way of working,
 </li>
 <li>
 Sharing knowledge with your team members,
 </li>
 <li>
 Fixing bugs and analyzing errors using all the available information and tools
 
 
 
 
 </li>
 </ul>
 
 What You&rsquo;ll Bring
 
 
 
 <ul>
 <li>
 BS or MS degree in Computer Engineering or other related fields,
 </li>
 <li>
 4+ years of experience in Python with backend service development expertise,
 </li>
 <li>
 Current, hands-on Python development with server-side web technologies (FastAPI, Flask, Django, PyTest, etc.),
 </li>
 <li>
 Experience with SQL and RDBMS, preferably MySQL/PostgreSQL,
 </li>
 <li>
 Experience with data extraction from API services,
 </li>
 <li>
 Creative problem-solving skills and the ability to effectively communicate and translate feedback, needs, and solutions,
 </li>
 <li>
 Familiarity with agile software development methodologies
 </li>
 <li>
 Familiarity with distributed version control systems (git / GitHub),
 </li>
 <li>
 Excellent verbal and written communication skills in English
 
 
 
 
 </li>
 </ul>
 
 Nice to have
 
 
 
 
 <ul>
 <li>
 Knowledge of SaaS applications and the SaaS product development process,
 </li>
 <li>
 Experience with network sniffing, software decompiling, and any tools for endpoint extraction,
 </li>
 <li>
 Experience with a modern JavaScript framework (Angular, React, Vue, etc),
 </li>
 <li>
 Experience in designing and implementing clear interfaces (RESTful services or others),
 </li>
 <li>
 Familiarity with tools and ecosystem: AWS(RDS, EC2, S3), Heroku,
 </li>
 <li>
 Familiarity with modern data stores (Redis, etc.),
 </li>
 <li>
 Familiarity with NoSQL databases (Mongo, etc.)
 
 
 
 
 </li>
 </ul>
 
 What We Offer
 
 
 
 <ul>
 <li>
 Competitive USD salary
 </li>
 <li>
 Private Health Insurance
 </li>
 <li>
 Top-notch tech equipment
 </li>
 <li>
 English-speaking and multinational work environment
 </li>
 <li>
 Free breakfast every day
 </li>
 <li>
 Unlimited fun and snack bar
 </li>
 <li>
 Flexible work hours
 </li>
 <li>
 Monthly Food Allowance
 </li>
 <li>
 Flexible vacation
 </li>
 <li>
 Unlimited online courses
 
 
 
 
 </li>
 </ul>
 Mobile Action is an equal-opportunity employer. Qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, citizenship, sex, sexual orientation, gender identity, veteran&rsquo;s status, age, or disability.
 
 
 We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
</div>

Senior Software Engineer, Python

Plan-S Satellite and Space Technologies

<div>
 
 Hi there! We call you from outside the Earth.
 
 
 We, as Plan-S, are Turkey's largest private initiative in satellite and space technologies. With the aim of building the best team, being the bravest and most visionary, we are located in the most amazing location of the city, at the hearth of R&amp;D.
 
 
 We design and build small satellites for low-earth orbit, geostationary satellites, and even small spacecrafts for the moon and beyond. We offer our customers end-to-end satellite as a service solutions.
 
 
 We believe that the hardest jobs and the greatest achievements can only be done with the best. If you believe that you are one of the best, it is your job to achieve the hardest, and if you want to plan a new future for the world, join Plan-S!
 
 
 
 We are looking for highly motivated Frontend &amp; Mobile software engineers to join our team in building software at the core of ground segment operations. The successful candidate will work with a team of developers to design, develop, and maintain software solutions that meet the project requirements.
 
 <ul>
 <li>
 Design and develop frontend web applications (React + TypeScript) and mobile applications (Flutter + Dart) used in ground segment operations,
 </li>
 <li>
 Integrate UIs with backend services and real-time data (REST/GraphQL, WebSocket/SSE); implement robust state management and background/offline sync,
 </li>
 <li>
 Implement secure client-side authentication/authorization (OAuth2/Keycloak, JWT), session/refresh flows, and secure storage on mobile,
 </li>
 <li>
 Model and consume backend data via well-typed client models; manage client-side persistence (cache, local storage/SQLite) and efficient data fetching,
 </li>
 <li>
 Design and implement frontend applications (React) and mobile apps (Flutter) with reusable components, design systems, and accessibility,
 </li>
 <li>
 Write clean and maintainable code,
 </li>
 <li>
 Work with other team members to ensure timely delivery of high-quality software solutions,
 </li>
 <li>
 Write automated tests (Jest/React Testing Library, Playwright/Cypress; Flutter unit/widget/integration tests) to ensure quality,
 </li>
 <li>
 Contribute to CI/CD for web and mobile (build pipelines, store submissions, versioning), performance budgets, and observability (logging/metrics/crash reporting),
 </li>
 <li>
 Participate in code reviews, testing, and debugging activities to ensure software quality,
 </li>
 <li>
 Documenting software design, and interface control documents.
 </li>
 
 
 </ul>
 
 Requirements
 
 
 
 <ul>
 <li>
 Bachelor's degree from Computer Engineering, Computer Science, Software Engineering, or a related field,
 </li>
 <li>
 At least four years of experience,
 </li>
 <li>
 Strong understanding of data structures, algorithms, design patterns, SOLID principles, DDD, Clean, Onion and, Event-Driven architectures,
 </li>
 <li>
 Proficient in React + TypeScript and Flutter + Dart, with a proven track record of shipping high-quality web and/or mobile apps at scale.
 </li>
 <li>
 Proven ability to design, build, scale, and maintain production web/mobile applications,
 </li>
 <li>
 Deep knowledge of frontend architecture (component-driven design, routing, forms, performance, accessibility),
 </li>
 <li>
 Strong experience consuming REST/GraphQL APIs with robust client data-layer patterns (e.g., React Query/RTK Query; Flutter Bloc/Riverpod),
 </li>
 <li>
 Experience with real-time client integrations (WebSocket/SSE), reconnection, back-off/retry, and optimistic updates,
 </li>
 <li>
 Strong experience implementing OAuth2/Keycloak, JWT, token refresh, secure storage (Keychain/Keystore), and a11y/security best practices on the client,
 </li>
 <li>
 Experience with client-side storage (IndexedDB/LocalStorage; SQLite/Hive on mobile) and efficient caching/invalidation strategies,
 </li>
 <li>
 Professional experience with React (TypeScript); Flutter for mobile (Angular optional),
 </li>
 <li>
 Experience deploying web apps (CDN, SPA/SSR) and releasing mobile apps (Play/App Store) with telemetry (Crashlytics/Sentry) and feature flags,
 </li>
 <li>
 Excellent problem-solving skills and the ability to work independently and/or collaboratively in a team environment,
 </li>
 <li>
 Excellent verbal and written communication skills,
 </li>
 <li>
 Ability to work in a fast-paced, dynamic environment and deliver high-quality work on tight deadlines.
 </li>
 </ul>
 
 
 Nice to have:
 
 
 <ul>
 <li>
 Experience with React 18+, and advanced Flutter (Isolates, platform channels),
 </li>
 <li>
 Familiarity with ThingsBoard,
 </li>
 <li>
 Familiarity with Agile Methodology and its related tools (SCRUM, KANBAN, Jira, ClickUp etc.),
 </li>
 <li>
 Familiarity with CI/CD processes,
 </li>
 <li>
 Familiarity with IOT systems.
 </li>
 
 
 </ul>
 
 Benefits
 
 
 
 <ul>
 <li>
 The opportunity to shape "New Space"
 </li>
 <li>
 Great work environment, opportunity to get responsibilities in the first day
 </li>
 <li>
 Strong work &amp; team culture empowering autonomy, self-discipline, and personal growth
 </li>
 <li>
 Competitive compensation package
 </li>
 <li>
 Wide range side benefits package
 </li>
 
 </ul>
 
 
 Ba&scedil;vurunuz nedeni ile payla&scedil;m&inodot;&scedil; oldu&gbreve;unuz veriler KVKK kapsam&inodot;nda korunmakta ve i&scedil;lenmektedir. Ayr&inodot;nt&inodot;l&inodot; bilgi i&ccedil;in
 
 
 https://www.plan.space/gdpr
 
 
 adresini ziyaret edebilirsiniz.
 
 
</div>

Client Side Software Developer (Frontend + Mobile)

Belenandpartners

Web projelerinde g&ouml;rev alacak, modern frontend teknolojilerine hakim, animasyon ve &ccedil;ok dillilik yapılarında tecr&uuml;beli Frontend Developer &amp; Web Designer arıyoruz.Sorumluluklar &amp; Zorunlu Yetenekler<ul><li>React &amp; Next.js projelerinde frontend geliştirme</li><li>HTML, CSS, JavaScript ES6+ hakimiyeti</li><li>Tailwind CSS kullanarak responsive tasarım geliştirme</li><li>UI component k&uuml;t&uuml;phaneleri (Shadcn/UI, Material UI, Ant Design) ile aray&uuml;z oluşturma</li><li>Basit&ccedil;e API entegrasyonlarını bilmek</li><li>Web animasyonları geliştirme deneyimi (FRAMER MOTION &amp; GSAP zorunlu ve &ccedil;ok &ouml;nemli)</li><li>&Ccedil;ok dillilik (i18n) altyapıları ile &ccedil;alışma deneyimi (zorunlu ve &ccedil;ok &ouml;nemli)</li><li>Proje g&ouml;rsellerini d&uuml;zenleyip aray&uuml;zlere uygulamak</li><li>Adayın canlıda bir projesinin bulunması gerekmektedir.</li></ul>Tasarım Yetenekleri<ul><li>Figma, Adobe XD, Photoshop, Illustrator kullanımı</li><li>G&ouml;rselleri d&uuml;zenleyebilme ve projelere uyarlayabilme</li></ul>Ekibimize katılmak isteyen adayların &ouml;zge&ccedil;mişleriniik@belenandpartners.com adresine g&ouml;ndermelerini rica ederiz.İş T&uuml;r&uuml;: Tam zamanlı

Frontend Developer & Web Designer

Explore 36+ Back end developer in Ankara Turkey this January. Find roles across top companies and apply now to boost your career.