Lead Go Engineer, Taxes Platform

Solidgate; Warszawa; On-site; PLN 240,000 - 360,000; Full time

Job summary

Solidgate is seeking a Lead Developer to own and advance the Taxes module within its billing system. You will define the architecture for tax calculation and reporting, lead integrations with tax providers, and drive reliability and scalability across services.

You'll mentor engineers, shape engineering practices, and guide a small team through rapid growth. This role emphasizes ownership, proactive problem solving, and delivering high-impact tax functionality.

Qualifications

• 4+ years of backend engineering experience.
• 1.5+ years of commercial Go development.
• Experience designing and owning high-load distributed systems.
• Strong PostgreSQL experience.
• Solid experience with queues or streams.
• Strong testing culture including unit, integration, and e2e tests.
• Experience mentoring engineers and setting technical direction.
• Proactive, independent, results-oriented mindset with ownership.

Responsibilities

• Set technical direction for tax calculation and reporting architecture.
• Lead integration with third-party tax providers and manage partnerships.
• Drive system resilience, uptime, and scalability across services.
• Lead, mentor, and grow the engineering team and influence hiring.

Skills

Backend engineering

Go development

Distributed systems

PostgreSQL

Testing culture

Mentoring engineers

Ownership mindset

Tools

Kafka

AWS services

CI/CD pipelines

Job description

Solidgate is seeking a Lead Developer to own and advance the Taxes module within its billing system. You will define the architecture for tax calculation and reporting, lead integrations with tax providers, and drive reliability and scalability across services.

You'll mentor engineers, shape engineering practices, and guide a small team through rapid growth. This role emphasizes ownership, proactive problem solving, and delivering high-impact tax functionality.