Senior Full-Stack Engineer — Remote/Hybrid SaaS & AI

LE0002 Relativity Poland sp. z o.o.; Województwo małopolskie; Hybrid; PLN 208,000 - 312,000; Full time

Benefits offered by this job

Competitive salary

Parental leave

Equity program

Job summary

LE0002 Relativity Poland sp. z o.o. is seeking a Senior Full Stack Software Engineer to design and develop software products. You will work in a collaborative environment utilizing advanced technology while being responsible for mentoring peers and ensuring high-quality standards.

The ideal candidate should have over 5 years of experience in C#/.NET, cloud-native architecture, and expertise in React with TypeScript. The role offers a hybrid work model and a competitive salary range between 208 000 and 312 000 PLN.

Qualifications

• 5+ years of experience shipping C#/.NET or similar services with measurable reliability or performance gains.
• Experience architecting distributed SaaS systems and translating business needs into resilient designs.
• Production ownership experience, including leading on-call rotations and root cause analyses.

Responsibilities

• Design, write, test, and deploy Relativity software products.
• Mentor team members on code quality, technical debt management, and best practices.
• Drive operational excellence using observability data.

Skills

Advanced React with TypeScript

C#/.NET or similar services

CI/CD automation

Front-end testing expertise

Cloud-native delivery

Education

Bachelor’s degree in Computer Science, Engineering, or equivalent experience

Job description

LE0002 Relativity Poland sp. z o.o. is seeking a Senior Full Stack Software Engineer to design and develop software products. You will work in a collaborative environment utilizing advanced technology while being responsible for mentoring peers and ensuring high-quality standards.

The ideal candidate should have over 5 years of experience in C#/.NET, cloud-native architecture, and expertise in React with TypeScript. The role offers a hybrid work model and a competitive salary range between 208 000 and 312 000 PLN.