Full Stack Engineer

We’re opening the position of a Technical Leader to work on a project of our Customer — an international company that develops software solutions for small and mid-sized municipalities. The project focuses on a product suite that supports key local government operations, including finance, utility billing, HR, payroll, online payments, tax collection, and asset management.

This is both a deeply hands-on engineering role and a technical leadership role: you will build across the stack, with your center of gravity in the .NET 10 back end, set the patterns, lead one other Senior Full-Stack Engineer, partner with the QA Automation Engineer, and be accountable for what a small, senior Platform Development Team ships. You will lead the team primarily by doing, so the assignment assumes an active involvement in all the processes.

Responsibilities:

• Lead by doing: write and review the hardest code, design the critical paths, and set the standard for FastEndpoints, FluentResults, testing, error handling, and observability across our .NET 10 services (backend-for-frontend, user management, and more) on Azure
• Own identity, authorization, and tenancy correctness across Auth0, Azure API Management, and our service layer, where mistakes are security incidents
• Guide EF Core and Dapper data design against Azure SQL for correctness and performance at scale, ensuring no N+1s, no accidental cross-tenant reads, and no surprise table scans
• Work across the stack when Delivery calls for it, including the Angular 19 front end, so no part of the platform stalls on a single person
• Shape the messaging & integration backbone and Azure Service Bus events between the platform and the Acquired Module teams
• Lead the team day to day, mentor the other Senior Full-Stack Engineer, run pragmatic design and code reviews, and create the conditions for senior specialists to do their best work
• Represent the platform in cross-team architecture decisions and defend those decisions with clear reasoning and trade-offs

Requirements:

• Deep .NET/Azure expertise, including knowledge of how distributed systems fail and how to build ones that do not
• Full-stack capability with the primary depth in the back-end part but also working confidently with the Angular/TypeScript front end — enough to design across the boundary, review it, and ship it when needed
• Ability to design non-trivial systems, make difficult trade-offs, take ownership and responsibility of the outcomes, and provide reasoning for your technical decisions
• Ability to set direction and lead through clarity and example, not gatekeeping
• Uncompromising accountability to own the reliability and security of what the team ships (when it is wrong, you say so first, and then you fix the cause)
• Independent, defensible thinking enabling you to form your own view from first principles, invite challenge, and be moved by a better argument, expecting the same from your team in return
• English level — Upper-Intermediate or higher

We offer:

• Remote-first work model with flexible working hours (we provide all equipment)
• Comfortable and fully equipped offices in Lviv and Rzeszów
• Competitive compensation with regular performance reviews
• Referral Bonus Program
• 18 paid vacation days per year
• 12 days of paid sick leave per year
• Extra paid leave (blood donation, marriage, childbirth, etc.)
• Health & wellness support: either a monthly budget for medical insurance and sports activities, or a full medical insurance plan, depending on your cooperation model
• Mental Health Program — company-covered psychologist consultations, with an annual coverage limit
• English, German, and Polish language courses and Speaking Clubs
• Corporate merch gifts for your special dates
• Corporate subscription to learning platforms, regular meetups and webinars
• Friendly team that values accountability, innovation, teamwork, and customer satisfaction
• Maternity leave
• Inclusive environment where everyone feels valued and treated equally. We proudly partner with VeteranHub to support Ukrainian veterans
• We are committed to supporting Ukraine and actively participate in charity initiatives

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