Lead Backend Engineer at Commencis | Istanbul, Turkey

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.

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.

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.

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!

About UsFounded in 2017, Good Job Games aims to create unique and unforgettable experiences for players worldwide through innovative products. Our games have captivated over 3.5 billion players globally. We thrive on exceptional talent, fostering a culture that enhances teamwork and creativity. We invite enthusiastic individuals to join our growing team!Your RoleWe are seeking a dedicated Backend Software Engineer eager to design and develop technology, tools, and infrastructure that empower Good Job Games!Designing high-performance, distributed game servicesCreating internal tools for operations, data analysis, and automationSupporting and collaborating with teams across Good Job GamesEngaging in a culture of learning, teaching, and growthMentoring and guiding junior developers

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.

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.

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!

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

Role overview Jobgether is hiring a Senior Node.js Backend Developer to join its remote-first engineering team. This position is open to candidates based in Turkey. The team builds secure, scalable, and real-time backend systems that support digital finance services used globally. What you will do Design and develop backend infrastructure and APIs with Node.js Build and maintain mission-critical services for digital finance products serving a worldwide audience Collaborate with engineers located in different regions Address complex technical challenges in distributed systems and backend architecture Prioritize performance optimization and ensure system reliability What sets this role apart Remote-first setup: work from anywhere within Turkey High level of autonomy and ownership in daily work Chances to innovate and grow technical expertise Direct influence on products used by customers worldwide

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.

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.

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

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 UsFounded in 2017, Good Job Games is driven by the ambition to deliver unique and memorable experiences to players around the world through innovative products. With a reach of over 3.5 billion people, our success is attributed to assembling extraordinary talent and fostering a culture that promotes teamwork and creativity. We are seeking enthusiastic individuals to join our dynamic team!Your RoleAs a Backend Developer, you will play a key role in designing and implementing the technology, tools, and infrastructure that drive Good Job Games forward!Creating distributed, high-performance shared game servicesDeveloping internal tools for operations, data analysis, and automationSupporting and empowering teams across Good Job GamesEngaging in continuous learning and growth within a vibrant engineering culture

Key ResponsibilitiesOversee and direct all engineering and maintenance operations within the hotel, ensuring optimal performance and guest satisfaction.Guarantee the smooth functioning of all mechanical, electrical, plumbing, HVAC, and life-safety systems.Design and implement comprehensive preventive and predictive maintenance programs to maintain operational integrity.Manage capital expenditure projects (CAPEX), renovations, and technical enhancements throughout the property.Administer departmental budgets and oversee cost control and procurement processes for engineering functions.Ensure strict adherence to health and safety regulations, fire and life safety standards, and relevant local laws.Drive energy conservation and sustainability initiatives in line with Accor/Fairmont’s environmental commitments.Lead, mentor, and develop the engineering team, fostering a culture of accountability, safety, and continuous improvement.Collaborate with various departments to ensure seamless hotel operations and elevate the overall guest experience.

Join Bosch Group as a Design Engineer and play a crucial role in innovative product development. Collaborate with a talented team to design and optimize engineering solutions that meet customer needs. Your creativity and technical expertise will drive our commitment to quality and innovation.

Role Overview Bosch Group seeks a Development Engineer in Manisa. This position centers on designing and implementing new solutions that support ongoing projects and future technology directions. What You Will Do Design and implement technical solutions for assigned projects Work closely with teams from different functions to achieve project goals Contribute ideas and expertise to advance technology initiatives

Role Overview Bosch Group is hiring an Industrial Engineer in Manisa. This role focuses on designing and improving manufacturing processes to increase efficiency and maintain high quality standards. What You Will Do Analyze existing workflows within manufacturing operations Identify areas for process improvement and implement solutions Monitor and help maintain quality standards throughout production Work Environment Work alongside teams that value efficiency and practical innovation. The setting encourages continuous improvement and supports new ideas that enhance manufacturing performance.

Perform reliability assessments and conduct root cause analyses to improve the performance of boiler products.Assess designed or purchased components for reliability-related issues.Understand and articulate potential damage mechanisms affecting boiler components and materials.Develop and implement comprehensive testing protocols for combustion solutions and design reliability test procedures.Conduct reliability tests in the laboratory and propose design improvements.Collaborate with cross-functional teams to identify and execute design enhancements.Prepare specifications for testing equipment.Document findings through detailed reports for tests and research studies.Comprehend physical damage mechanisms and their implications on failure.Engage in projects as a key member of the reliability engineering team, including product development, cost-reduction initiatives, engineering change requests (ECR), and problem-solving sessions.