--- title: 'Senior Backend Engineer at Commencis' canonical: 'https://feeny.ai/job/senior-backend-engineer-commencis-istanbul-2vq2jp4tf4nd' type: 'job' last_seen: '2026-11-06' --- # Senior Backend Engineer at Commencis - **Company:** Commencis - **Location:** Istanbul, Turkey - **Employment:** full-time - **Work type:** remote - **Posted:** 2026-11-05 - **Last confirmed live:** 2026-11-06 - **Apply:** https://jobs.lever.co/commencis/138e71e4-2c35-451b-9c7e-967a609e100d ## Job description We are looking for a Senior Backend Engineer with strong technical and communication skills to contribute throughout the development lifecycle of products in various exciting domains, which are realized with Commencis’ expertise in a fast-paced team environment. If you are curious by nature, adaptive, collaborative, and always one step ahead, then join us and be a Commencer! ## Responsibilities - Design, develop, and maintain scalable and high-performance backend systems using Java and Spring Framework (Spring Boot, Spring MVC, Spring Data, Spring Security, etc.) - Contribute to system architecture decisions and lead the design of both monolithic and microservices-based solutions - Develop and maintain Backend-for-Frontend (BFF) layers and core backend services to support scalable applications - Strong understanding of design principles, design patterns, and architectural best practices (DDD, TDD, and layered architecture) - Build and maintain RESTful APIs and ensure high availability and performance - Collaborate with cross-functional teams including product, design, and QA to deliver high-quality solutions - Ensure code quality through code reviews, best practices, and clean code principles - Write and maintain unit and integration tests - Troubleshoot, debug, and optimize existing systems - Participate in CI/CD processes and support deployment activities - Mentor junior developers and contribute to team knowledge sharing - Stay up to date with emerging technologies and industry best practices ## Qualifications - BSc/MSc/PhD degree in Computer Science or a related field, or equivalent practical experience - At least 5 years of professional experience in backend development with Java Strong experience with Spring Framework (Spring Boot, Spring MVC, Spring Data, Spring Security, etc.) - Strong understanding of OOP principles, design patterns, and scalable system design - Experience with microservices architecture and distributed systems - Hands-on experience with relational and non-relational databases (e.g., PostgreSQL, MySQL, MongoDB, Redis) - Familiarity with message brokers (e.g., Kafka, RabbitMQ) is a plus - Basic knowledge of front-end technologies such as JavaScript, HTML5 and CSS3 - Strong unit test and debugging skills - Proficiency in code versioning tools such as Git - Familiarity with CI/CD pipelines and DevOps practices is a plus - Strong sense of analytical thinking and problem-solving skills - Excellent attention to detail - Highly effective time management and multitasking skills - Strong verbal and written communication skills in English - Experience with AI technologies and a strong interest in learning and applying them in real-world use cases - Proficiency in AI-assisted development practices, with the ability to effectively integrate AI tools into daily software development workflows. - Experience or domain knowledge in banking and financial services is considered a plus Why Commencis? We want people to thrive at Commencis. Here’s what Commencers like about working here: Competitive Compensation & Benefits: We offer a competitive salary, private health insurance, pension and retirement plans through a company-backed pension system, meal card, commute compensation, work-from-home support, and a paid birthday off. Happier Weekdays: We offer flexible working hours, including a remote working option. Enjoy online events, guest speakers, office refreshments, a meeting-light culture, and many more perks to enhance your weekdays. Never Stop Learning: We support learning and development programs for almost anything. Additionally, we provide access to leading online e-learning platforms like Udemy and various libraries. Community & Socials: We are a tight-knit community that loves gathering together. Our social activities include happy hours, workshops, a New Year party, breakfast & lunch get-togethers, movie nights, and our Summer Festival. Open Culture: We maintain a flat organizational structure with a culture of direct and open communication. We value Commencers’ voices and address any suggestions and questions you may have. ## About  Commencis Join us in paving the way for a thriving digital society! Commencis has more than two decades of expertise in the world of experience design, software engineering and cloud technologies. Our products and solutions are used by leading brands in financial services, insurance, airlines and retail in more than 20 countries. We help our clients around the globe to commence their next evolution and pave the way for a thriving digital society. We love discovering what’s next. We value collaboration, curiosity, and an open mindset at work. If you share the same passion with our fellow Commencers, then let us unleash your world-class potential! We will process your personal data as part of our recruitment procedures. To find out more, please consult our Candidate Privacy Notices. ## About Commencis ## Company Overview - **One-liner**: Commencis drives AI-powered digital transformation for enterprises through experience design, intelligent custom software development, and scalable cloud solutions. - **Entity Type**: Private (Privately Held) - **Headquarters**: İstanbul, Turkey (additional offices in London, UK; Berlin, Germany; and the United States) - **Founded**: 2000 - **Founders**: Not publicly listed (CEO Fırat İşbecer co-founded Pozitron, a mobile banking software company acquired by Monitise) ## Core Business - Primary industries: Financial services, insurance, airlines, retail, and other enterprise sectors. - Target customers: B2B, enterprise-level clients seeking digital transformation. - Mission/purpose: “Pave the way for a thriving digital society” by helping leading brands build impactful digital products and customer experiences. ## Products & Services Commencis offers integrated services rather than standalone products, delivering end-to-end digital transformation: - **Experience Design**: User research, UX/UI design, and strategy for digital products. - **AI Solutions**: Embedding AI into products and solutions, including generative AI and machine learning applications. - **Cloud Engineering**: Cloud migration, architecture design, and managed services on AWS, Google Cloud, and Microsoft Azure. - **Custom Software Development**: Full-stack development, microservices, and API engineering. - **Digital Product Strategy**: Consulting for product roadmap, technology selection, and go-to-market. ## Market Standing - **Valuation/Market Cap**: Not disclosed. - **Key Metric**: Annual revenue not publicly available; headcount of 450+ experts (as of 2026) and 85 million+ users touched by its solutions. - **Notable Investors/Partners**: - AWS Premier Tier Partner - Google Cloud Certified Partner - Microsoft Gold Partner (Application Development, Silver Cloud Platform) - Partner of Datadog (cloud monitoring) and Fortinet (cybersecurity) - Green Member of CAIRNE Innovation Network (EU AI research) - **Growth Signals**: 20+ years of operation; solutions deployed across four continents and 20+ countries; dedicated tech academy and internship programs to fuel talent pipeline. ## Competitive Advantages - **Deep multi-cloud expertise** (AWS, Google Cloud, Microsoft Azure) with formal partnership tiers. - **20+ years of experience** in design, engineering, and cloud for regulated industries (finance, insurance, airlines). - **End-to-end capability** from strategy and design to engineering and AI integration, reducing handoff friction. - **Strong client portfolio** including leading global brands; proven track record of scaling digital products. ## Strategic Focus - Accelerating AI adoption across client projects, with a dedicated Chief AI Officer and embedded AI practices. - Expanding cloud consulting and managed services to deepen partnerships with hyperscalers. - Growing international presence, particularly in Europe and North America, through existing offices in London, Berlin, and the United States. - Investing in talent development via Commencis Tech Academy (internships, camps for cloud, testing, Spring Boot) to address skills gaps. ## Why Work Here - **Culture & Values**: Rated 4.5/5 for culture & values by employees; 80% describe Commencis as a dynamic, tech-driven, respectful workplace; 86% would recommend working there. - **Work Environment**: Open culture that values transparency, feedback, and co-creation. Flexible working hours, meeting-light culture, and social activities (happy hours, team dinners, cultural events). - **Learning & Growth**: Strong emphasis on “never stop learning” with internal training, certification support, and a Tech Academy that offers structured camps and internships. - **Diversity**: Teams spanning 10+ nationalities; offices in multiple countries enabling cross-cultural collaboration. - **Remote/Hybrid Policy**: Not explicitly stated, but flexible hours and in-office locations suggest a hybrid approach. ## Sources 1. [commencis.com - About](https://www.commencis.com/company/) 2. [commencis.com - Careers](https://www.commencis.com/careers/) 3. [commencis.com - Our Culture](https://www.commencis.com/our-culture/) 4. [commencis.com - Leadership](https://www.commencis.com/leadership/) 5. [LinkedIn - Commencis](https://linkedin.com/company/commencis) ## Other roles at Commencis - [Senior Project Manager - Russian Speaking](https://feeny.ai/job/senior-project-manager-russian-speaking-commencis-istanbul-1e5jnpb2y92m) — Istanbul, Turkey - [Cloud Sales Intern](https://feeny.ai/job/cloud-sales-intern-commencis-istanbul-hbbmc716epre) — Istanbul, Turkey - [Commencis Cloud Camp 2027](https://feeny.ai/job/commencis-cloud-camp-2027-commencis-istanbul-dntd33se7fq3) — Istanbul, Turkey - [Senior Sales & Account Manager](https://feeny.ai/job/senior-sales-account-manager-commencis-istanbul-eqf19b5mxhwe) — Istanbul, Turkey - [Senior Backend Engineer](https://feeny.ai/job/senior-backend-engineer-pyyne-new-york-5dfz70065xs8) — New York, NY - [Senior Backend Engineer](https://feeny.ai/job/senior-backend-engineer-tebi-amsterdam-7w2k4fwkwanv) — Amsterdam, Netherlands - [Senior Backend Engineer](https://feeny.ai/job/senior-backend-engineer-transmit-security-tel-aviv-yafo-smjfsjcqzg47) — Tel Aviv-Yafo, Israel - [Senior Backend Engineer](https://feeny.ai/job/senior-backend-engineer-equal-experts-india-rf2tzs7py1m7) — India - [Senior Backend Engineer](https://feeny.ai/job/senior-backend-engineer-patrianna-ukraine-s3qdzex0arbm) — Ukraine - [Senior Backend Engineer](https://feeny.ai/job/senior-backend-engineer-verkada-san-mateo-enhrah7rtm71) — San Mateo, CA