Join Our Team as a Backend Developer!Are you passionate about building scalable systems? Fundraise Up is seeking a talented Backend Developer proficient in Node.js to join our innovative team. As part of a dynamic and remote team operating primarily in CET hours, you will play a pivotal role in architecting the robust backend that fuels our global fundraising platform.Why Choose Fundraise Up?At Fundraise Up, we are on a mission to revolutionize the donation process for nonprofits worldwide. Our cutting-edge technology facilitates millions of dollars in donations each month, making giving easier and more efficient than ever. We are proud to work with esteemed organizations like UNICEF and the Alzheimer’s Association, and our platform is lauded for its effectiveness and quality with a 4.9/5 rating across leading software review platforms.About the RoleAs a Backend Developer, you will tackle complex challenges within a high-load, distributed system. Your work will involve building and scaling the infrastructure that handles millions in donations. Our tech stack includes Node.js (Koa, NestJS), MongoDB, and Kafka, ensuring you have the tools to succeed in a fast-paced environment.Our Team CultureJoin a talented group of over 160 professionals, including more than 80 engineers, who thrive on collaboration and technical excellence. Despite our global presence, we maintain a close-knit team atmosphere where every voice is valued. We prioritize quality, mentorship, and continuous learning, making it an ideal environment for personal and professional growth.

Role Overview insiderone is hiring a Backend Software Developer to work remotely from anywhere in Turkey. This position focuses on building and maintaining backend systems using PHP and Laravel. The team values strong collaboration to deliver reliable applications and smooth user experiences. What You Will Do Develop and maintain backend features and services with PHP and Laravel Work closely with front-end developers and other colleagues to support seamless integration Help ensure the stability and quality of our applications Location Remote within Turkey

ABOUT CODEWAYCodeway is a leading global technology company specializing in consumer applications, boasting over 400 million users globally.Since our inception in 2020, we have successfully developed and scaled over 60 innovative mobile applications spanning categories such as creativity, productivity, wellness, language learning, and entertainment.Our flagship applications, including Retake AI, Cleanup, Learna, and DramaPops, are recognized leaders in their respective markets. In 2024, we achieved the milestone of being the most downloaded app publisher on iOS, driven by our commitment to cutting-edge AI research, data-driven strategies, and a relentless pursuit of excellence in product development and marketing.With a talented team of over 300 passionate individuals located in Istanbul and Barcelona, we foster a culture of curiosity, collaboration, trust, and ownership in every project we undertake. As a proud recipient of accolades such as #1 LinkedIn Top Startup and a Great Place to Work in Europe, Codeway is where ambitious professionals are empowered to do their best work.Join us as we redefine the future of consumer technology and innovate the next generation of mobile applications.This is Codeway. This is our journey. Be part of it.POSITIONIn the role of Backend Software Engineer at Codeway, you will be at the forefront of designing and implementing scalable systems that drive products used by millions of users. Your responsibilities will encompass the entire feature lifecycle—from initial system architecture and AI integration to deployment and ongoing production monitoring. We thrive in a fast-paced environment, valuing engineers who can simplify complex architectural challenges into elegant and maintainable solutions.WHAT YOU’LL BE DOING· Design & Implement Scalable Systems: Create high-performance backend architectures for both mobile and web platforms utilizing Node.js and Python.· Own End-to-End: Assume full ownership of your services throughout their lifecycle, including ideation, implementation, deployment (GCP/Firebase), and continuous optimization.· AI & Media Integration: Leverage AI technologies to enhance user experiences and ensure seamless media integration.

About Pulse GamesAt Pulse Games, we are dedicated to crafting mobile games that offer thrilling challenges and captivating visuals. Our skill-based games celebrate genuine talent by rewarding players for quick thinking and strategic prowess. The foundation of our creations is our collaborative team environment, where we continuously learn from and inspire each other to elevate our work. As a fully remote workforce, we unite our diverse talents to deliver unforgettable gaming experiences.We are on the lookout for a passionate Backend Developer to enhance our expanding team. In this role, you will play a pivotal part in developing scalable, high-quality gaming solutions for millions of players worldwide. Collaborating closely with our product and art departments, your contributions will help refine the features that set our games apart in the market.If you are eager to challenge yourself and leverage your engineering expertise, we would love to meet you!Your ResponsibilitiesDesign, develop, and maintain scalable and secure backend services capable of supporting high traffic volumesOversee database design, optimization, and upkeepMonitor system performance, troubleshoot issues, and enhance backend architecture continuouslyWork closely with developers and product teams to ensure seamless collaboration.Qualifications We SeekBachelor’s degree in Computer Science, Software Engineering, or a related disciplineA minimum of 3 years of experience in mobile game developmentProficient in Go programming languageFamiliarity with cloud technologies (AWS, GCP, or Azure)Ability to excel in a collaborative, fast-paced environmentWe value your privacy and commit to handling your information confidentially throughout the recruitment process. For further details, please review our Privacy Policy.

Join Our Innovative TeamAt Trendyol Tech, we are on a mission to revolutionize commerce through cutting-edge technology. We tackle intricate challenges utilizing data-driven insights, creativity, and agility, always focused on delivering tangible results.Our culture is rooted in continuous learning, collaboration, and a sense of ownership. Together, we foster growth while paving the way for what’s next in the tech landscape.

Senior Backend Engineer - Hyperliquid FocusJoin our client, a forward-thinking company dedicated to revolutionizing multi-chain DeFi for financial institutions, fintechs, and service providers. Their innovative team is focused on creating a cohesive infrastructure layer that facilitates seamless access to on-chain liquidity across major blockchains. They aim to empower high-performance same-chain and cross-chain swaps, all while promoting accessibility and transparency in the decentralized technology space.We are seeking a passionate Backend Engineer with a keen interest in the Hyperliquid ecosystem to strengthen their engineering team. This is a backend-exclusive position—no frontend or design responsibilities are involved. Your primary focus will be on developing the infrastructure that enables the distribution of programmatic trading features, including TWAP and perps, to the wider DeFi ecosystem.Please note: This position is exclusively available to candidates located in the EMEA region.Key Responsibilities:Enhance the core API stack by integrating projects from the Hyperliquid ecosystem and their diverse feature sets.Work closely with Product Managers and fellow Backend Engineers to refine routing, user flows, and system integrations.Assess and suggest new opportunities for feature extensions within the decentralized trading landscape.Develop robust, high-quality code, emphasizing scalability and reliability for cross-chain trading scenarios.Engage in system design, peer code reviews, and maintain technical documentation.

Join the Future of Mobile Gaming with Spyke GamesAt Spyke Games, we are passionate about creating the next wave of mobile gaming experiences. Founded by industry veterans, our company has a decade-long legacy of building and scaling successful gaming businesses. We are on a mission to develop engaging mobile game franchises that captivate millions of players worldwide for years to come.We are seeking an innovative and skilled Backend Game Developer to enhance our engineering team. In this role, you will design and implement robust backend systems, contributing to our development processes while honing your skills in game development. If you are ready to tackle challenges and work on exciting, high-profile projects, Spyke is the ideal environment for you. Come be a part of our journey!

Join our dynamic team at Commencis as a Lead Backend Engineer, where you will play a pivotal role in designing and implementing scalable backend solutions that drive innovation and performance. You will lead a team of developers, ensuring high-quality code and best practices are adhered to while fostering a collaborative and creative work environment.

We are looking for an innovative and highly skilled Backend Software Architect to join our dynamic team at Commencis in Istanbul. In this role, you will be responsible for designing and implementing robust backend systems and architectures that support our diverse range of applications. You will collaborate closely with other developers, product managers, and stakeholders to ensure the successful delivery of high-quality software solutions.

At Rapsodo, we are redefining sports technology by creating cutting-edge computer vision and machine learning products that empower athletes to enhance their performance. With strategically positioned offices in Singapore, Turkey, the USA, Japan, and the UK, we proudly stand as the leading innovator in the sports technology sector. Our esteemed partners include all 30 MLB teams, MLB, USA Baseball, Golf Digest, PGA of America, and over 1,000 NCAA athletic departments.Established in 2018, our Turkey office serves as the R&D hub for Rapsodo, located in Bayraklı & Technopark within the recognized İzmir Ege University Technopark, which has been acknowledged by the Ministry of Science, Industry, and Technology as one of Turkey’s most successful Technoparks. Our teams work with diverse technologies including UI/UX, Mobile, Cloud, Computer Vision, Deep Learning, Data Science, and Unity. As we continue to grow rapidly, we are seeking passionate team players who are eager to contribute to delivering state-of-the-art solutions. Join us as a Backend Engineer!

We are seeking a passionate and skilled Senior Software Engineer (.NET) to become a vital member of our dynamic team. In this role, you will be entrusted with designing, developing, and maintaining scalable and high-performance backend systems that drive our innovative products and services. Your expertise will help transform business and product requirements into solid technical solutions, ensuring that our backend services are reliable, secure, and perform at their best. You will collaborate closely with cross-functional teams, which include frontend developers, DevOps engineers, product managers, and solution architects, to create efficient, scalable, and maintainable backend architectures utilizing cutting-edge .NET technologies. Your contributions to architectural discussions and adherence to best practices will be essential in supporting the overall quality and sustainability of our codebase. If you are a naturally curious individual, adaptable, collaborative, and always looking to stay ahead, we invite you to join us at Commencis!

About Spyke GamesAt Spyke Games, we are at the forefront of the mobile gaming revolution, driven by a team of industry veterans who have successfully built and scaled major gaming enterprises over the last decade. Our mission is to create the next generation of mobile game franchises that will entertain millions globally for years to come.We are committed to fostering a collaborative and dynamic environment, uniting the brightest and most talented individuals who share our passion for gaming. Our culture is characterized by teamwork, enthusiasm, and a constant desire to learn and innovate.As a Senior Game Developer, you will play a key role in shaping and developing mobile games while tackling exciting engineering challenges in a fast-paced, high-growth setting. You will collaborate with some of the most intelligent minds in the industry, employing a technology-agnostic approach and a horizontal decision-making process. Together, we not only enhance our games but also evolve as software engineers and as a cohesive unit.

About Us Founded in 2017, Good Job Games is dedicated to creating unique and memorable experiences for players worldwide through innovative gaming products. With our games reaching over 3.5 billion users globally, we pride ourselves on cultivating a diverse team of extraordinary talents and fostering a culture of creativity and collaboration. We invite passionate individuals to join our dynamic team! Your Role We are seeking a dedicated Senior Software Engineer to design and implement robust backend systems that will drive Good Job Games forward. You will play a critical role in developing high-performance game services and internal tools that enhance our operational efficiency. Designing and building distributed, high-performance shared game services Creating internal tools for data analysis, operations, and automation Providing support and empowerment to teams across Good Job Games Mentoring and guiding less experienced team members

About Sezzle: At Sezzle, our mission is to financially empower the next generation. We are redefining the shopping experience by integrating innovative technology with effortless, interest-free installment plans, making shopping more intelligent and accessible. Our goal goes beyond merely transforming payment systems; we are enhancing how consumers discover, engage with, and buy the products they love, all while positively impacting merchant sales through increased conversion rates and higher order values. As we shape the evolution of fintech and retail, we are assembling a creative, dynamic team that is passionate about creating a unique shopping journey. If you are eager to push technological boundaries and deliver transformative experiences for both consumers and merchants, we invite you to join us at Sezzle and help us craft the future of shopping! About the Role: We are looking for a skilled and passionate Senior Mobile Engineer with a high IQ and EQ. This position offers an exciting chance to excel in a fast-paced environment within a rapidly expanding team, providing ample opportunities for career growth.

jobgether is looking for a Senior Unity Developer to work on poker games in Turkey. This position centers on building immersive and engaging poker experiences using Unity. Role overview This role involves developing game mechanics for poker titles, optimizing performance, and working closely with design and development teams. The focus is on delivering a polished product that stands out in the online poker space. What you will do Develop and refine poker game features using Unity Optimize game performance for a smooth player experience Collaborate with designers and other developers to implement new ideas Apply advanced game development principles to solve complex challenges Requirements Strong experience with Unity and C# Solid understanding of game development fundamentals Ability to work on challenging technical problems and create innovative solutions Interest in poker games and immersive gameplay

Interview Process At Sezzle, we value transparency and open communication. Our interview process is designed to provide regular feedback and set clear expectations. Please note that progression through the interview stages is not guaranteed. Application submitted (you are here) Wonderlic test (30-40 min) Interview with recruiters (30 min) Coding assessment (~1.5 hours) Interview with engineers (1 hour) Interview with engineering leadership (30-45 min) Offer! Your Responsibilities: Design and develop software applications and features using Golang and React. Contribute to building a distributed architecture, ensuring solutions are consistent and scalable. Collaborate with internal stakeholders to create market-leading products. Establish and analyze metrics for continuous product improvement. Deliver high-quality features that meet testing standards and reporting requirements. Lead small development teams when necessary to bring projects to market. Mentor fellow engineers to enhance their skills and knowledge.

Role Overview insiderone is looking for a Senior Frontend Developer with deep experience in Vue.js. This position is based in Istanbul, Turkiye. What You Will Do Design, build, and maintain web applications using Vue.js Work closely with colleagues from different departments to deliver features and improvements Focus on creating seamless and engaging user experiences Team and Collaboration Join a group that values input from every member and encourages open communication. Expect to collaborate with product, design, and backend teams as part of your daily work.

Join our passionate team at BiggerGames as a Senior Game Developer and take on exciting challenges in creating chart-topping games. As part of our software development team, you will collaborate with the Product Team to design and build engaging gaming experiences that captivate millions of players. Your engineering expertise will help us overcome complex challenges, ensuring we deliver top-notch experiences for our users. If you are enthusiastic about game development and thrive on crafting fun, we invite you to be a key player in our team!ABOUT THIS ROLE:Develop high-quality games that provide unique experiences to a vast audience.Engage in all facets of game development, including Game Design, Logic, Aesthetics, Graphics, and UI, while implementing, enhancing, and maintaining various game projects with meticulous attention to detail.Work collaboratively with Product Managers, Game Artists, and Marketing teams to ensure the best gaming experience.Bring fresh ideas to the table for game design, features, and innovative projects.Take ownership of your game projects alongside the Product Team, enjoying significant responsibility and autonomy.YOU COULD BE A GREAT FIT IF:You hold a Bachelor’s Degree in Computer Science and have over 6 years of experience as a software engineer.You are proficient in various programming languages and tools (C#, Java, etc.).You possess strong engineering skills and a solid foundation in programming.You have knowledge of software architecture design, OOP principles, and design patterns.You are passionate about game development, with a keen eye for detail and a commitment to code quality.Experience with Unity3D is a significant advantage.BONUS POINT IF:You have played Kitchen Masters and can share your insights. If you haven't, now is the perfect time to start!You are curious about the gaming industry and eager to deepen your knowledge.You thrive in dynamic and fast-paced environments.BENEFITS:Be part of an elite team, learn from experts, and create games that players love.Competitive compensation package.Comprehensive health insurance with unlimited coverage.

Join the innovative Macellan SuperApp Team as a Senior Laravel Developer, where we are redefining the fintech landscape through our advanced digital wallet and payment solutions.At Macellan, we take pride in developing high-performance backend services that are crucial for transaction integrity and system reliability at scale. As part of our mission-critical team, you will play a vital role in designing and building high-performance APIs with Laravel, ensuring that our services meet the demands of our rapidly growing user base.Role OverviewThis backend-centric position focuses on creating robust APIs while also allowing for occasional engagement with TypeScript-based services.Key ResponsibilitiesDesign and implement high-quality RESTful APIs utilizing Laravel.Develop and enhance core features of the SuperApp, including wallet, payment, balance, and transaction functionalities.Make architectural decisions with a focus on performance, scalability, and reliability.Produce clean, maintainable, and testable code.Take ownership of features from design through deployment and monitoring.Collaborate with DevOps and product teams within a distributed systems environment.Our Technology StackLaravel (Octane / long-running processes)TypeScript (backend services & tooling)PostgreSQLRedis (queuing, caching, rate-limiting, locking)Modern CI/CD pipelinesKubernetesGoogle Cloud infrastructureMonitoring & observability tools (Prometheus, Grafana, Sentry)