Backend Software Engineer

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 flags…

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 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 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

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 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 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

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!

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!

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 the Role Commencis is looking for a Senior Java Software Engineer in Istanbul. This role focuses on building and improving software products that support business growth. The position centers on Java, with responsibilities that include enhancing current applications and designing new features to address client needs. What You Will Do Develop and maintain Java-based software solutions Improve existing applications by adding new functionalities Work closely with team members to solve technical challenges Help ensure software meets evolving client requirements Who We’re Looking For Deep experience with Java development Strong problem-solving skills Interest in building software that makes a real impact Comfort working in a collaborative, team-based setting

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.

ABOUT CODEWAYCodeway is a leading global technology company specializing in consumer applications, boasting over 400 million users across the globe.Since our inception in 2020, we have successfully developed and scaled over 60 mobile applications in diverse domains such as creativity, productivity, wellness, language learning, and entertainment.Our flagship applications, including Retake AI, Cleanup, Learna, and DramaPops, consistently rank at the top of their categories worldwide. In 2024, we achieved the milestone of being the most downloaded app publisher on iOS, thanks to our innovative AI research, strategic data-driven execution, and unwavering commitment to product excellence and marketing.With a vibrant team of over 300 talented individuals based in Istanbul and Barcelona, we foster a culture of curiosity, passion, trust, and accountability in everything we create. Acknowledged as a #1 LinkedIn Top Startup and recognized as a Great Place to Work in Europe, Codeway is where ambitious individuals come to do their best work.We are pioneering the future of consumer technology while reimagining the potential of mobile applications.Join us at Codeway and be part of our journey.POSITIONWe are on the lookout for a Fullstack Software Engineer to join our dynamic team. In this role, you will be engaged in web development projects, contributing to both the back-end and front-end components.WHAT YOU’LL BE DOING · Analyze, develop, and deliver innovative features while ensuring ongoing monitoring and maintenance to provide high-quality software solutions.· Assume complete ownership of your projects from start to finish, identifying and resolving issues while enhancing our products.· Stay curious about emerging technologies and trends in the industry, continually enhancing your technical skills and knowledge.· Participate in code reviews to ensure code quality, performance, and adherence to coding standards.· Identify challenges that impact the broader organization and work to elevate the quality standards company-wide.WHAT YOU’LL BRING · B.Sc. in Computer Science or a related field.

Role overview Speechify is seeking a Software Engineer to join the Platform team in Ankara, Turkey. This role focuses on supporting and enhancing Speechify’s text-to-speech technology. The main objective is to build and improve software that strengthens platform performance and supports future growth. What you will do Work closely with team members to deliver dependable software solutions Contribute to initiatives that improve and optimize the core platform Support efforts to maintain platform efficiency as usage increases Location This position is based in Ankara, Turkey.

About Insider One Insider One brings together marketing and customer engagement tools in a single platform. Since our early days, the company has grown to a team of over 1,500 people, representing more than 50 nationalities and working across 30 locations worldwide. Our platform relies on AI and a comprehensive Customer Data Platform (CDP) that connects data, personalization, and journey orchestration across channels like WhatsApp, SMS, Email, and more. We recently raised $500M in Series E funding, backed by investors such as Sequoia Capital and General Atlantic. More than 2,000 clients, from startups to Fortune 500 companies like Nike and Samsung, use our solutions. Insider One is also recognized for its commitment to diversity as one of the few woman-founded B2B SaaS unicorns globally. Role Overview: Senior Software Engineer - Golang This role focuses on building and improving solutions that help businesses grow through better marketing and customer engagement. As a Senior Software Engineer working with Golang, the work will involve designing and developing features that support our platform’s mission. Location Istanbul, Turkiye

Bigger Games is on the lookout for a Senior Software Engineer who is ready to embrace the exciting challenges of developing chart-topping games. At Bigger, our Game Developers are not just coders; they are innovators and designers as well. In collaboration with the Product Team, you'll create immersive gaming experiences that will captivate millions of players around the globe. As you craft exceptional experiences for our users, you'll tackle intricate engineering challenges along the way.If you're a dedicated Senior Software Engineer with a passion for gaming and a desire to contribute to the creation of enjoyable games, we invite you to join our team!ABOUT THIS ROLE:Develop top-notch games that offer unforgettable experiences to millions of players.Participate in all facets of game development—including Game Design, Logic, User Experience, Graphics, and UI design—and ensure the quality and longevity of various games with meticulous attention to detail.Work collaboratively with Product Managers, Game Artists, and Marketing teams to ensure the delivery of an unparalleled user experience.Generate new ideas for game design, features, and projects that push the boundaries of creativity.Take ownership of your projects alongside the Product Team, enjoying significant individual responsibility.YOU COULD BE A GREAT FIT IF:You hold a Bachelor’s Degree in Computer Science and have at least 6 years of experience as a software engineer.You have experience with Java Spring Boot-based backend systems and possess a deep understanding of Java and its related technologies.You are familiar with Java, Spring, Redis, and AWS Cloud Systems.You have robust engineering skills and a solid foundation in programming fundamentals.You are knowledgeable in software architecture design, Object-Oriented Programming (OOP), and design patterns.You are passionate about mobile games and pay close attention to detail and code quality.BONUS POINT IF:You’ve played Kitchen Masters and explored its gameplay. If you haven't, now's the perfect time to start!You have a keen interest in the gaming industry and are eager to expand your knowledge.You thrive in fast-paced, dynamic environments.BENEFITS:Be part of a premier team, learn from industry leaders, and contribute to creating games that players adore.Enjoy competitive salary packages.Flexible work arrangements.

Join the dynamic team at Bigger Games as a Software Engineer specializing in Performance Marketing. In this role, you will leverage cutting-edge technology and data-driven strategies to optimize marketing performance and drive user engagement across multiple platforms.As a key player in our innovative environment, you will be tasked with developing scalable solutions, improving existing systems, and collaborating with cross-functional teams to enhance the overall marketing strategy. We are looking for a proactive individual who thrives in a fast-paced setting and is passionate about enhancing user experiences through technology.

Join our dynamic team at fal as a Staff Software Engineer specializing in Compute. In this pivotal role, you will leverage your expertise in software engineering to design innovative solutions that enhance our computing capabilities. You will collaborate with cross-functional teams to deliver high-performance software products that meet the evolving needs of our clients.

About Insider One Insider One brings together marketing tools and customer engagement solutions in one unified platform. Since our founding, we have grown into a global company with more than 1,500 team members representing diverse backgrounds, working from over 30 offices worldwide. Our platform uses artificial intelligence and an integrated Customer Data Platform (CDP) to connect data, personalize experiences, and coordinate customer journeys across channels like WhatsApp, SMS, Email, Web, App, and Site Search. We recently raised $500M in Series E funding, led by General Atlantic and supported by Sequoia Capital, QIA, and other major investors. More than 2,000 companies, including Fortune 500 names such as Samsung, Nike, and L’Oreal, use our technology. Insider One is also recognized as one of the few woman-founded and women-led B2B SaaS unicorns, earning a reputation for strong leadership and customer satisfaction. Role Overview: Senior Software Quality Assurance Engineer (Remote) The Senior Software Quality Assurance Engineer ensures the quality and reliability of Insider One’s products. This role supports teams in delivering dependable solutions to customers and helps maintain the high standards our clients expect. The position is remote and based in Istanbul.