Flutter Developer with .net

Our Client is a fast-growing technology group headquartered in London, focused on building industry-specific payment solutions for small and medium-sized businesses. Client develops tailored software solutions across multiple sectors, including retail, services, healthcare, sports, public sector, and non-profit. The company operates across several locations in the UK and has a technology hub in Kraków, offering an international, product-driven working environment. Your role We are looking for a Software Engineer to join a dynamic development team and contribute to building high-quality, scalable applications with real business impact. The role focuses primarily on frontend development using Angular and Flutter, while also supporting backend services built with C#/.NET and SQL. You will work closely with cross-functional teams to deliver secure, performant, and user-friendly solutions, with opportunities to grow across multiple technologies. Your responsibilities • Develop, maintain, and enhance applications using Angular and Flutter • Support backend development with C#/.NET and SQL • Design and implement RESTful APIs and integrate them with frontend applications • Ensure application security, performance, and scalability • Perform unit testing, debugging, and participate in code reviews • Work in Agile sprints (planning, development, testing, deployment) • Collaborate closely with Product teams to translate business requirements into technical solutions • Stay up to date with emerging technologies and propose improvements Our requirements • 2+ years of commercial software development experience • Strong knowledge of Angular, Flutter, HTML, CSS, TypeScript, and JavaScript • Experience with C#/.NET and SQL Server (NoSQL is a plus) • Familiarity with Git and Agile methodologies • Strong problem-solving skills and attention to detail • Very good communication in English and teamwork skills • Proactive attitude and willingness to learn Nice to have • Interest in cross-platform development What we offer • Long-term project • Chill zone with a football table • Integration events • Collaborative, product-focused team • Opportunity to grow within a fast-evolving tech company • Participation in meaningful products used daily by real customers 📌 Please note: we will contact selected candidates only. TQLO Sp. z o.o.Registered employment agency (KRAZ): 33580