Senior .NET/React Fullstack Engineer — Remote

Relativity; Remote; PLN 181,000 - 271,000; Full time

Job summary

A leading software company is seeking a Senior Software Engineer to join their team in Białystok, Poland. In this role, you will design, write, test, deploy, and support software products with an established engineering team. The ideal candidate should have strong experience with React and TypeScript, distributed SaaS systems, and effective CI/CD automation practices. This position offers a competitive salary range of 181,000 to 271,000 PLN, along with comprehensive health benefits and flexible work arrangements.

Benefits

Comprehensive health, dental, and vision plans

Parental leave for primary and secondary caregivers

Flexible work arrangements

Two, week-long company breaks per year

Additional time off

Long-term incentive program

Training investment program

Qualifications

• 5+ years of experience developing with React and TypeScript.
• Experience with cloud-native delivery, preferably Azure.
• Ability to mentor team members in frontend development.

Responsibilities

• Design and develop the architecture for Import/Export services.
• Build accessible, performant UIs with modern React.
• Shape the roadmap with Product through data-backed decisions.

Skills

Advanced React with TypeScript

Front-end testing integrated into CI/CD

5+ years with C#/.NET or similar services

Experience designing and operating distributed SaaS systems

Production ownership: on-call, RCAs, telemetry-driven MTTR reduction

Cloud-native delivery (Azure preferred)

Hands-on CI/CD automation and deployment governance

Education

Bachelor's in CS/Engineering or equivalent

Job description

A leading software company is seeking a Senior Software Engineer to join their team in Białystok, Poland. In this role, you will design, write, test, deploy, and support software products with an established engineering team. The ideal candidate should have strong experience with React and TypeScript, distributed SaaS systems, and effective CI/CD automation practices. This position offers a competitive salary range of 181,000 to 271,000 PLN, along with comprehensive health benefits and flexible work arrangements.