Senior/Lead Back End Engineer
This is the employer's own posting, not a copy on a job board.
What we know
Is it still open?
Confirmed still open
Last checked 5h ago — checked against the employer's own applicant tracking system, which is the company answering directly.
We re-read the employer's own applicant tracking system and the posting was still there. That is the company answering directly.
How old is it?
Posted 49d ago
The date the source published, not the day we noticed it (2026-07-28). Last seen at its source 2h ago.
Is it remote?
Marked remote on the employer's board
Their board carries a remote setting on this posting — a field they filled in, not wording we read. The location field names somewhere specific, which is usually where the team or the entity sits.
Who may apply?
Romania, Poland, Ukraine, Kazakhstan, Azerbaijan, Uzbekistan
The description states no restriction of its own. This is the source's own tag.
Pay not stated
Similar roles pay PLN 319k–368k/yr
Middle 50% of 25 listings that do state pay — Engineering · all levels · Poland · PLN/year. This employer has published no salary; this is what comparable listings we hold disclose, never converted between currencies or periods. How this is calculated.
Skills named in the ad
Recognised terms only, from a fixed vocabulary — this is what CV matching compares against.
Carried by 1 source
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workable employer's own board first seen 10d ago · last seen 2h ago
The listing
RemoFirst is transforming the way businesses hire and manage global teams. Our mission is to enable Freedom of Work by providing an all-in-one global HR platform that simplifies hiring, compliance, payroll, and benefits management. We partner with some of the world’s most innovative companies, including Fortune 500 businesses and leading startups.
We are a small but strong team of 200+ people (and growing) hyper-focused on delivering a world-class platform and unparalleled service with our industry-leading partnerships.
We are looking for a Senior/Lead Back-End Engineer with strong experience in both Python and Java to help us maintain and improve our existing Python-based systems and support the design, build, and strategic transition of parts of our backend to Java. This is a hands-on role with strong technical ownership and exposure to global-scale systems. This role goes beyond simply implementing requirements - you’d be a real product engineer taking extreme ownership over the quality of your product, caring deeply about our customers and what’s being built. You will collaborate with international engineering, product, and design teams in a fully remote setup.
Requirements
What you will bring:
- 5+ years of backend software development experience
- Strong professional experience with Python (Django, FastAPI, Flask, or similar frameworks)
- Strong professional experience with Java, preferably using Spring Boot.
- Solid understanding of object-oriented design, SOLID principles, and design patterns
- Experience designing and consuming RESTful APIs
- Experience with relational databases (PostgreSQL, MySQL); exposure to NoSQL databases is a plus
- Familiarity with unit testing, integration testing, and test-driven development (TDD)
- Experience with CI/CD pipelines, Git, and modern development workflows
- Understanding of microservices architecture and distributed systems
- Experience working with cloud platforms (AWS preferred)
- Strong problem-solving skills and attention to performance and scalability
- Excellent written and verbal communication skills in English
What you will do:
- Design, develop, and maintain backend services using Python and Java.
- Support and contribute to the gradual migration from Python-based services to Java, ensuring stability and continuityBuild and maintain RESTful APIs and backend integrations.
- Participate in system design and architectural discussions, especially around service boundaries and migration strategy.
- Work with distributed systems and microservices.
- Integrate with third-party services and external APIs.
- Write clean, well-tested, and maintainable code following best practices.
- Participate in code reviews, technical discussions, and knowledge sharing.
- Debug production issues and improve system reliability, observability, and performance.
- Collaborate effectively with cross-functional teams across time zones.
Benefits
- Fully remote role
- Opportunity to work on global-scale systems and products
- Exposure to international teams and modern engineering practices
- High ownership and autonomy in a fast-growing startup environment
- A strong culture grounded in speed, ownership, trust, transparency, customer obsession, and excellence.
- Real problems, global impact, and the chance to help redefine how the world works.