Senior Backend Engineer (Go) (Incogni)

Join the Incogni engineering team and help us build the next-generation backend platform powering Incogni and Ironwall at scale. We’re looking for a senior backend engineer who thinks in systems, designs for growth, and enjoys building reliable, scalable services. Our mission is to create a secure, scalable, and high-performance service platform that supports rapid business growth and evolving product needs. You’ll work on core systems and service architectures at the heart of our platform, with Go as a key technology. If you want to:Design, build, and evolve high-traffic, business-critical backend services (primarily in Go);Lead and influence architectural decisions — from domain modeling and service boundaries to infrastructure and deployment strategies;Drive the evolution of our service platform together with senior and lead engineers;Identify performance bottlenecks and scalability challenges, and propose pragmatic, long-term solutions;Own complex technical initiatives end-to-end, from design to production rollout;Write clean, well-tested, production-grade code while raising engineering standards across the team. And you can check off:Strong experience building production-grade backend systems;Solid understanding of software design principles, distributed systems, and API design;Experience with databases, messaging systems, and service-oriented or event-driven architectures;Ability to reason about concurrency, performance, and reliability;Confidence participating in architectural discussions and technical decision-making. Bonus points if you:Have experience building or scaling systems serving millions of requests;Leveraged hands-on production experience with Go;Developed a strong understanding of observability, reliability, and operational excellence;Contributed to modernizing or evolving backend platforms. Here's the deal:Growth and learning opportunities: time dedicated to learning, conferences, online learning platforms, and books for your professional development;Health and wellness: we want you to feel and be your best. That's why we offer various benefits, from online workouts with a physical coach and sports card to health insurance and regular mental health checks;Tools of your choice: choose the technical equipment and tools you need to do your best work;Community and celebrations: get ready for long-lasting traditions such as yearly workation, Friday get-togethers, various team buildings and company celebrations;Convenient commuting: traveling from point A to point B in a city like Warsaw is quite a journey! That’s why we compensate your public transport costs;Work-life balance: We encourage working in the office, with the possibility of up to two remote days per week. Plus, with our WFA policy, you can work from almost anywhere in the world;Premium Surfshark accounts: for you, your family, and friends;Gross salary: 24000-33400 Pln/month. Although it may vary depending on your skills and experience.