Senior Software Engineer, Content AI w Warszawa, Polska

Expected, Kotlin, Spring Boot, gRPC, PostgreSQL, AWS, Docker, Kubernetes, Terraform, GitHub Actions

Operating system, macOS

About the project, We are hiring on behalf of our client, a global innovator in fitness and wellness technology. Their mission is to empower people to live fit, strong, long, and happy lives by delivering integrated experiences to millions of members anytime, anywhere., , This is NOT outsourcing. You will be hired directly by our client., , We are looking for a Senior Software Engineer to join the Content AI team in Warsaw. This team applies AI to content-related processes, including search, voice assistant capabilities, subtitles, live captions, translations, metadata tagging, and content generation workflows. In this role, you will act as a technical lead within an agile engineering team, designing and operating scalable microservices that support AI-powered content features. The focus is on backend engineering, production systems, and technical leadership rather than building AI models from scratch., , Working model: 3 days per week in the office (Tue, Wed, Thu)

This is how we work, in house, you have influence on the technological solutions applied, you have influence on the product, you focus on product development, you focus on code maintenance, agile

Team members, backend developer, fullstack developer, technical leader, devOps, automated test programmer, project manager

Your responsibilities, Design, develop, and operate scalable backend APIs and microservices powering search, voice, subtitles, captions, translations, and content workflows., Lead technical discussions, architecture reviews, design decisions, and task breakdowns within the engineering team., Build services with a focus on high availability, low latency, security, scalability, and maintainability., Work with ML Engineers to integrate hosted NLP, ASR, and AI models into production backend systems., Architect reusable code, libraries, patterns, and standards that can be adopted across teams., Use monitoring, tracing, profiling, and load-testing tools to identify bottlenecks and improve production performance., Champion engineering best practices, including CI/CD, test automation, feature toggles, logging, monitoring, and reliable release processes., Mentor engineers through code reviews, pair programming, technical guidance, and incident response leadership.

6+ years of software development experience building high-performance, scalable backend cloud application systems., BS or MS degree in Computer Science, Engineering, Mathematics, or a related technical field., Strong expertise in Kotlin or similar JVM backend programming languages., Strong experience with backend frameworks such as Spring Boot, Bottle, Gunicorn, or similar JVM frameworks., Experience designing and building APIs using REST, gRPC, or GraphQL., Experience with relational and NoSQL databases such as PostgreSQL, MySQL, DynamoDB, or MongoDB., Hands-on experience with AWS, Docker, Kubernetes, CI/CD, and infrastructure tooling such as Terraform, GitHub Actions, or Jenkins., Strong understanding of distributed systems, Elasticsearch optimization, caching, observability, security, performance optimization, production troubleshooting, and incident response.

Optional, Experience working on AI-powered products, model-serving systems, or backend services that integrate with ML models., Experience with NLP, ASR, voice assistants, chatbots, search platforms, live captions, subtitles, translations, or content metadata workflows.

What we offer, 100% paid medical care, Multisport, Creative tax (KUP), Home office allowance, MacBook Pro

This is how we work on a project, TDD, Continuous Deployment, Continuous Integration, DevOps, test automation

Benefits, sharing the costs of sports activities, private medical care, remote work opportunities, corporate products and services at discounted prices

Recruitment stages, A call with MOTIFE Recruiter (30 min), Coding Interview (1h), Panel interviews with the team (2.5h)

Apply now, If this sounds like your next step, we’d love to hear from you! Please apply via our careers page and submit your CV in English.

Motife Sp. z o.o., MOTIFE is a trusted partner for tech companies choosing Poland to build and grow their engineering and software development capabilities., , We help software companies, startups, fintechs, technology companies, and industry disruptors with their IT recruitment and, wherever necessary, advisory in setting up a presence in Poland and daily operations., , Our end-to-end support helps us build long-term relationships with new IT players, which means we can offer some of the most interesting career opportunities for skilled software and IT professionals like you.