Senior Backend Engineer (C# / Java) - Fully Remote

Threecolts; Kraków; On-site; PLN 463,918 - 567,011; Full time

Benefits offered by this job

Opportunity to join company-wide offsites

Regular rate reviews

Bonus opportunities

Fully remote working

Job summary

Threecolts, located in Kraków, Poland, is seeking a skilled Software Engineer to take ownership of features on Inventory Lab’s systems utilizing C# and Java. The ideal candidate will have 5–8+ years in software engineering, proficient in building backend services and APIs.

In this fully remote role, you will collaborate closely with cross-functional teams, addressing technical challenges and ensuring the scalability and maintainability of the product.

Compensation includes a salary of $140,000 annually and various benefits like regular rate reviews and company offsites.

Qualifications

• 5–8+ years of professional software engineering experience.
• Strong proficiency in C# and Java.
• Experience building and maintaining backend services, APIs, and scalable application components.

Responsibilities

• Take ownership of features across Inventory Lab’s C# and Java-based systems.
• Design and build clean, scalable services, APIs, and components.
• Improve the systems you work on by debugging production issues.

Skills

C#

Java

Backend services development

REST APIs

SQL databases

AWS (cloud infrastructure)

Git and code reviews

Job description

Threecolts, located in Kraków, Poland, is seeking a skilled Software Engineer to take ownership of features on Inventory Lab’s systems utilizing C# and Java. The ideal candidate will have 5–8+ years in software engineering, proficient in building backend services and APIs.

In this fully remote role, you will collaborate closely with cross-functional teams, addressing technical challenges and ensuring the scalability and maintainability of the product.

Compensation includes a salary of $140,000 annually and various benefits like regular rate reviews and company offsites.