Senior Software Engineer (.NET) - Join Our Innovative Team

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 requirement…

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

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

At Insider One, we are seeking a talented Senior Security Engineer specialized in Red Team operations to join our innovative team remotely. If you are passionate about cybersecurity and eager to tackle challenges in a dynamic environment, this role is for you.About Insider OneInsider One is the leading platform designed to empower marketing and customer engagement teams with everything they need to achieve peak performance and become unstoppable. Our journey began with a vision to create a comprehensive platform that democratizes access to cutting-edge technologies and emerging channels for marketers globally. Today, our workforce of over 1,500 professionals from more than 50 nationalities operates across 30 offices worldwide.With artificial intelligence at the heart of our operations and a fully integrated Customer Data Platform (CDP), we seamlessly unify data, personalization, and journey orchestration across an extensive range of natively supported channels, including WhatsApp, SMS, Email, Web, App, and Site Search. Recently, we celebrated a significant milestone by securing $500 million in Series E funding, led by General Atlantic, with support from esteemed investors such as Sequoia Capital, QIA, Riverwood, and Endeavor Catalyst. Our platform is trusted by over 2,000 customers, ranging from high-growth startups to prestigious Fortune 500 companies like Samsung, Nike, and L’Oreal.We are proud to be recognized as one of the few woman-founded, women-led B2B SaaS unicorns globally, consistently achieving top rankings as the #1 leader across all essential capabilities for marketing and customer engagement. Join us and be a part of our remarkable story.

Join Insider One as a Senior Security Engineer on our Blue Team, where your expertise will be critical in safeguarding our innovative marketing platform.About UsAt Insider One, we operate as the leading platform that integrates all essential tools for marketing and customer engagement teams, empowering them to achieve their fullest potential and become unstoppable.Our journey began with just six desks and a bold vision to provide a unified platform that democratizes access to cutting-edge technologies and emerging channels for marketers globally. Today, we proudly support over 1,500 talented individuals representing more than 50 nationalities across 30 offices worldwide. Our platform, driven by AI and featuring an integrated Customer Data Platform (CDP), seamlessly connects data, personalization, and journey orchestration through a wide array of native channels, including WhatsApp, SMS, Email, Web, App, and Site Search.Recently, we secured a remarkable $500 million in Series E funding, led by General Atlantic, with support from prominent investors such as Sequoia Capital, QIA, Riverwood, and Endeavor Catalyst. We are proud to serve over 2,000 clients ranging from dynamic startups to esteemed Fortune 500 companies like Samsung, Nike, L’Oreal, Singapore Airlines, Nestlé, Nissan, Lenovo, Puma, and IKEA.Insider One is celebrated as one of the few woman-founded, women-led B2B SaaS unicorns globally. Our commitment to excellence is recognized by industry analysts, establishing us as the leading vendor in all the capabilities essential for marketing and customer engagement teams. Don't just take our word for it — see for yourself. We continually surpass expectations and maintain our leadership position in the industry.

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.

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 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.

We are seeking a dedicated and passionate Test Baker to join our dynamic Technical Application team in Istanbul. As a Test Baker, you will play a crucial role in developing and testing our innovative baking solutions, ensuring the highest quality standards are met. This position offers an exciting opportunity to work in a collaborative environment where you can contribute to product development and enhance your skills in the baking industry.

Join our innovative team at Dream Games as a Senior Software Engineer! You will play a crucial role in the game development process, contributing to programming aspects such as graphics, game logic, and user interface using Unity. We value talent over specific experience, so even if you don't have prior game development knowledge, your strong software engineering skills can help create exceptional gaming experiences.At Dream Games, every team member has the opportunity to influence the final product and make a significant impact on the organization. If you're eager to be part of a fast-growing company and are ready to embark on an exciting journey, we want to hear from you!

Role overview Speechify is looking for a Senior Software Engineer to focus on Windows and desktop application development. The role is based in Istanbul, Turkey. The main goal is to create software that enhances how users experience and interact with Speechify’s products on desktop platforms. What you will do Develop and maintain applications for Windows and desktop environments Collaborate with team members from concept through launch on new projects Deliver software that meets strong quality and usability standards Location This position is located in Istanbul, Turkey.

Join our dynamic maintenance team as a B2 Licensed Aircraft Engineer, where your expertise will play a crucial role in ensuring the safety and reliability of our aircraft. You will specialize in the electrical, electronic, and avionics systems, working closely with our dedicated engineers and technicians to uphold the highest standards of safety and performance in aviation.Your key responsibilities will include diagnosing issues, performing routine inspections, and executing repairs on vital aircraft avionics systems, such as communication, navigation, and radar technologies. This essential position supports compliance with aviation regulations and contributes significantly to the safety of our aircraft fleet.

Join insiderone as a Senior Software Engineer specializing in B2B marketing technology solutions using Golang. In this pivotal role, you will be responsible for developing and optimizing high-performance applications that drive business growth and enhance user experience. You will collaborate with cross-functional teams to design innovative solutions that meet the needs of our clients in the ever-evolving digital landscape.

Join us as a Senior Software Quality Assurance Engineer, where your expertise will contribute to maintaining the high standards of our platform.About Insider OneInsider One is the leading platform that integrates all essential tools for marketing and customer engagement teams, empowering them to achieve their utmost potential and become unstoppable.Founded with a vision to revolutionize the marketing landscape, we have grown from a small team to over 1,500 professionals from 50+ nationalities across 30+ offices globally. Our platform is driven by advanced AI technologies and features an integrated Customer Data Platform (CDP) that harmonizes data, personalization, and journey orchestration across a wide array of channels, including WhatsApp, SMS, Email, Web, App, and Site Search.Recently, we secured a remarkable $500M Series E funding round, led by General Atlantic, with backing from prominent investors such as Sequoia Capital, QIA, Riverwood, and Endeavor Catalyst. Our client base includes over 2,000 customers, ranging from fast-growing startups to renowned Fortune 500 companies like Samsung, Nike, L’Oreal, and IKEA.Celebrated as one of the few woman-founded, women-led B2B SaaS unicorns globally, we have received accolades from industry analysts and are recognized as the #1 leader in all the capabilities marketing and customer engagement teams demand. Explore our success stories and see why our clients choose us.

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.

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.

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.

Lyrebird Studio stands as a leading mobile application development company, renowned for crafting engaging and user-friendly mobile applications for both Android and iOS platforms. With a remarkable achievement of 45 million monthly active users and over 2 billion downloads worldwide, our dedicated creative, technical, and design teams passionately strive to surpass mobile app user expectations.As a Software Test Engineer, you will become an integral part of our organic structure, where you will take ownership of your responsibilities and actively contribute innovative ideas for new projects within a creative and stimulating work environment. Joining a small, high-performing team, you will collaborate in goodwill to deliver optimal results.We encourage you to think big! If you are ready to embrace the challenge and make a significant impact, we invite you to join our mission!We are seeking talented individuals eager to create something greater. To thrive in this role, a solid understanding of the casual mobile apps market is essential. You will be part of a dynamic environment where small teams can form around exciting ideas.

About Us Founded in 2017, Good Job Games is dedicated to creating unique and unforgettable experiences for players worldwide. Our innovative games have captivated over 3.5 billion people globally. We believe in fostering exceptional talent and cultivating a creative, team-oriented culture. If you're passionate about gaming and creativity, we invite you to join our dynamic team! Your Role Design intuitive and visually appealing user interface assets such as buttons, icons, and widgets. Create and develop comprehensive typography, color palettes, illustrations, and iconography systems. Stay updated with the latest UI trends and technologies to ensure cutting-edge designs. Collaborate closely with our talented art and product teams to enhance user experience. Qualifications Minimum of 1 year of experience as a UI Artist in the mobile gaming industry. Proficient in design software including Photoshop and Illustrator. A genuine passion for Match Villains and mobile puzzle games. What Makes Us Unique We prioritize feedback and transparency in our processes. Our team consists of exceptional and passionate individuals.

Speechify builds tools that remove reading barriers and support learning for millions worldwide. The team includes nearly 200 people working remotely across the globe. Collaboration happens in a fully distributed setup, where technical skill and new ideas drive progress. More than 50 million users rely on Speechify’s text-to-speech technology on platforms such as iOS, Android, Mac, and Chrome. The product has earned recognition, including Chrome Extension of the Year and Apple’s 2025 Design Award for Inclusivity. Role overview The Platform Software Engineer joins the Platform team to design, build, and maintain core backend systems. Projects span payment processing, API integrations, and other foundational services. The work directly supports a seamless user experience across Speechify’s products. What you will do Develop and maintain backend services that support Speechify’s suite of applications Work on payment processing, API integrations, and other core platform features Collaborate with colleagues in a flat organizational structure Contribute to a culture where technical expertise and initiative are recognized What matters here Strong work ethic and follow-through Clear, effective communication Strategic thinking and adaptability Dedication to delivering high-quality user experiences Interview process The hiring process aims to wrap up within a week. Candidates participate in multiple technical interviews to demonstrate their skills. Location This is a remote role based in Istanbul, Turkey.