Senior Full Stack Engineer

Ciklum is looking for a Senior Full Stack Engineer to join our team full-time in Poland. We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live. About the role: As a Senior Full Stack Engineer, become a part of our team and work directly with our partner, Trustpilot. Trustpilot is on an incredible journey to become the universal symbol of trust. As the world’s largest independent consumer review platform, they bring consumers and businesses together to foster transparency and improvement. With over 300 million reviews and 64 million monthly active users, the work we do together has a massive global impact, helping millions of people make better choices every day. In this role - you are fully integrated into Trustpilot’s feature teams. You will work on core platform functionalities that drive product-led growth, managing the critical customer lifecycle including sign-up, onboarding, sales, and retention. Your work will influence the experience of over 60 million monthly Trustpilot users globally! You will join a cross-functional "full ownership" team where you have a say in the direction of projects and technological choices. Responsibilities: Collaborative Development: Work alongside Product, Design, and Data Science in a team that owns its product and codebase from end-to-end End-to-End Ownership: Participate in every stage of the lifecycle—from ideation and design to architecture, implementation, deployment, and maintenance System Design: Drive technical decision-making and build scalable backend services and clean, reusable frontend components using TypeScript Scale & Innovation: Build and maintain RESTful APIs and distributed cloud services within an event-driven microservices architecture Team Leadership: Support and inspire your colleagues with your technical expertise and a problem-solving mindset Requirements: We are looking for seasoned engineers who are passionate about high-quality code and technical excellence: Experience: 7+ years of professional experience in software engineering Core Tech: Strong, hands-on expertise with TypeScript, Node.js, and React AWS Infrastructure: Proven experience with API Gateway, Lambda, ECS, SQS, SNS Architecture: Deep understanding of event-driven and microservice architectures Databases: Proficiency with NoSQL (MongoDB, DynamoDB) and Relational databases (PostgreSQL) DevOps & Tooling: Experience with CI/CD (Jenkins, GitLab CI, GitHub Actions), Docker, and observability tools like CloudWatch or Datadog What’s in it for you? Strong community: Work alongside top professionals in a friendly, open-door environment Growth focus: Take on large-scale projects with a global impact and expand your expertise Tailored learning: Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certifications Endless opportunities: Explore diverse domains through internal mobility, finding the best fit to gain hands-on experience with cutting-edge technologies Flexibility: Enjoy flexibility – full remote working possibilities Care: We've got you covered with company-paid premium medical package through Luxmed Benefits: Access the MyBenefit cafeteria platform, allowing you to choose perks that best suit your lifestyle and needs About us: At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress. With delivery centers in Wrocław and Gdańsk, our 300+ professionals in Poland drive forward-thinking solutions for global clients. Join a community where collaboration sparks innovation—and your impact reaches millions. Explore, empower, engineer with Ciklum! Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum. #LI-JW1