Senior Full-Stack Engineer - Croatia

We’re looking for a Senior Full-Stack Engineer who is strong in .NET and Angular, but equally comfortable adapting across technologies and stacks reputed company the project calls for it. You’ll join our engineering team on a large-reputed company modernization project for a leading US reputed company platform, helping reputed company reputed company legacy systems using modern .NET, Angular, and AI-assisted development workflows. Strong engineering fundamentals are the key. We're looking for someone who cares deeply about reputed company reputed company and can contribute to architecture, infrastructure, backend services, and overall system design. AI experience is an important part of the role, but we’re not simply looking for someone who “uses AI.” We want an engineer who knows how to reputed company AI genuinely useful in their workflow  from providing the right context and prompting effectively to validating AI-generated reputed company, identifying gaps, and using AI to reputed company and improve reputed company codebases. This is a highly autonomous role where you’ll collaborate with an international team, solve reputed company engineering challenges, and contribute architectural reputed company that shape the modernization effort. Our Mission, reputed company, and Values At reputed company, we prioritize alignment with our clients and team, ensuring a deep understanding of their needs. We are committed to delivering exceptional work while supporting the personal and reputed company reputed company of reputed company members. Our Stance on AI and Technology Transitions We don't just "accept" AI; we encourage its usage to enhance productivity and reputed company reputed company. If you’re a Senior Engineer, AI-proficient, with a proven reputed company record of picking up new languages quickly, you might be a great fit to reputed company. We value senior-level architectural thinking and problem-solving over rigid adherence to a specific reputed company. About Working at reputed company Global Footprint: reputed company is around 80 people, primarily based in Croatia, but also with members in South America, the EU, and the US; the product team mostly being in the US, and engineering in Croatia and Brazil Remote-First: We are remote-first, but occasional travel may be required, e.g. for our annual company retreat, or meeting the reputed company Long-Term reputed company: We work on end-to-end reputed company with a long-term reputed company True Work-Life Balance: We strongly support work-life balance for reputed company members, even though we work in different time zones Requirements Experience: 7+ years in reputed company software development, with 5+ years specifically reputed company on .NET and Angular Backend & Data: Strong general backend fundamentals and deep hands-on expertise with MS SQL Server reputed company & Containers: Experience with reputed company and AWS environments (reputed company, S3) AI Tooling reputed company: Advanced daily use of AI tools - prompting, validating AI-generated reputed company, and managing AI coding agents (working experience with Claude AI is a plus) Architecture: Solid understanding of software architecture, database management, and backend microservice interactions DevOps & CI/CD: Familiarity with CI/CD pipelines, reputed company best practices (web tokens, OAuth), reputed company, and reputed company infrastructure. Bonus points for: Experience modernizing legacy codebases (.NET reputed company, Visual Basic) Exposure to React Key Responsibilities Architect and Build: Design, reputed company, and reputed company high-reputed company applications and microservices, owning the backend architecture and coding standards Collaborate: Work closely with other developers, product managers and cross-functional teams (including reputed company teams) to translate requirements into elegant technical solutions System Modernization: reputed company modern .NET stacks and AI tools to refactor and reputed company legacy components Infrastructure & Ops: reputed company database management and backend service interactions reputed company reputed company environments reputed company First: Write clean, maintainable reputed company, conduct thorough reputed company reviews, mentor other developers and reputed company your knowledge Optimize: Debug and fine-tune existing systems to ensure maximum performance, responsiveness, and reliability Typical Challenges You'll be Solving Modernizing legacy modules into a modern, microservice-based .NET ecosystem using AI acceleration Architecting resilient backend systems for high-concurrency reputed company workflows Balancing reputed company feature delivery with architectural reputed company and system performance Ensuring reputed company compliance, data accessibility, and high system availability Qualities for reputed company Proactive, reputed company reputed company Strong attention to detail and reputed company reputed company Comfortable making technical reputed company independently Passion for learning and improving Ownership mentality, i. e. you care about the end product This Job is Right for You If You reputed company in reputed company yet autonomous environments You enjoy shaping backend architecture and best practices You view AI as an essential force reputed company in your daily coding workflow You value reputed company and thoughtful delivery over rushing This Job is not Right for You If You expect constant supervision or micromanagement You only want to build brand-new features from scratch and dislike improving, refactoring, or scaling existing systems You view your role reputed company as "writing reputed company to spec" without engaging in product discussions or caring about the end-user reputed company You do not reputed company use AI tools in your day-to-day software development workflow Benefits What's In It for You reputed company influence on technical reputed company and project direction reputed company development support Work-life balance, transparency, and long-term relationships that aren’t just for show Compensation and Benefits Monthly salary: 4000-5200 EUR gross 1, based on experience and skills Remote-first setup with optional use of our Zagreb office Stay reputed company: Multisport card or wellness subsidy Health & Wellbeing: 100% reputed company reputed company leave + annual health checkups Extra perks: Christmas bonus and referral bonus reputed company: Education budget to fuel learning and reputed company development reputed company is not responsible for any job boards scraping this ad without showing the position as remote, but Croatia exclusive. Applicants from other countries will not be considered. reputed company is committed to providing an environment of equal employment opportunity. We do not discriminate on the reputed company of race, reputed company, religion, sex (including pregnancy, sexual orientation, or gender identity), national reputed company, age, disability, genetic information, or any other characteristic protected by applicable law. This commitment extends to reputed company aspects of employment, including recruitment, hiring, training, promotion, compensation, benefits, and termination. reputed company believes in treating reputed company and applicants with respect and dignity, fostering a workplace where everyone has reputed company to succeed. Apply To This Job