Senior Software Engineer

Panenco is a boutique software studio in Belgium. We build next‑gen B2B SaaS products and enterprise AI solutions, always with an entrepreneurial spirit. We're a small team of the best and brightest, looking for 10x people who love to tackle challenging problems. We give you significant ownership and room to grow, expecting you to take charge and continuously evolve with the latest and greatest in our industry. About the role We're looking for experienced software engineers with strong computer science fundamentals, a proven track record, and an entrepreneurial edge to take on challenging software engineering assignments. With at least 4 years of professional experience, you'll not only build exceptional products but also help shape our engineering culture by mentoring junior engineers and leading projects from conception to delivery. We love self‑learners with an entrepreneurial itch and people who are actively working on side projects — we actively encourage taking initiative and driving innovation from within. Responsibilities Mentor and guide junior engineers Lead projects end‑to‑end, from technical design to production deployment Drive technical decisions and architecture choices Take ownership of complex technical challenges Technical knowhow We expect all software engineers in our team to take on a broad set of responsibilities, always acting in the interest of the product rather than simply sticking to the boundaries of any specific domain. Core knowledge and abilities Infrastructure: hands‑on experience with GCP, AWS or Azure, grasping serverless principles and practices AI development: hands‑on experience building AI‑powered applications using frameworks like LangGraph, AI SDK, or similar tools, and working with LLM providers (OpenAI, Anthropic, etc.) Architecture: ability to design cloud diagrams, make architectural decisions, and weigh the pros and cons of key technical choices Programming frameworks: deep knowledge of at least one of the following: JS/TS (Node), Python (Django), .NET, PHP (Symfony), REST Databases: extensive SQL experience and core understanding of various database types and their limitations Data modelling: turning defined business logic into comprehensible data structures CI/CD pipelines: setting up and managing deployment pipelines Non-functionals Automated testing: test‑driven development using unit and integration tests as well as end‑to‑end tests Monitoring: error and performance monitoring with Sentry or similar services Stress testing: testing APIs and entire systems with heavy‑load scenarios Security: awareness of best practices to safeguard information security Additional Minimum of 4 years of professional software development experience Solid reading and speaking skills in English required Thought leadership: love to share learnings with peers and contribute to team growth Front‑end: knowledge of modern front‑end applications Information security: strong understanding of security standards and best practices Locations We're flexible with regards to remote work, but we do expect you to be at one of our offices at least 1 day per week for team cohesion. Kyiv, Ukraine (123 Peremogy Avenue, office number 520) Benefits Friendly, dynamic, and inspirational working environment Opportunity to shape technical direction and mentor next generation of engineers Fair compensation, office snacks, and fun after‑work drinks Mobility budget, 32 holiday days, health insurance via Alan, meal vouchers, and more #J-18808-Ljbffr