Senior full-stack software developer (React + Atlassian Ecosystem)

About us:

If you're searching for a remote role at a company that values its people as its greatest asset, respects work-life balance, and fosters a supportive environment for growth, HeroCoders could be the perfect fit for you.
At, we build powerful apps that help people work more efficiently.
As a, our tools are trusted by over 70,000 companies worldwide, with a few hundred thousand active users and a steady 33% annual growth rate. While we're proud of what we've achieved, there's still plenty of exciting work ahead. We’re a small, fully remote team of 20 people spread across the globe, and right now, we’re looking for a Senior Analytics Engineer to join us.

Note:

This recruitment process will be conducted entirely in English.

You will be working with a team spread across the world. We require 4h overlap with typical CET/CEST business hours, which is 9 am - 4 pm.

Who are we looking for:

You’re a Software Developer with over 5+ years of professional experience, and you’ve spent at least 3 of those years working with React and NodeJS. You aim to write easy-to-maintain software. You like working in a self-managing team with autonomy and a proactive problem-solving approach.

Minimal requirements:

• You are an expert in React.
• You are experienced in developing Atlassian Ecosystem add-ons (Atlassian Forge preferred).

You’re a perfect match if:

• You have professional experience with NodeJS and Typescript.
• You explore and work with AI tools on a daily basis.
• You care about how customers actually use what you build, and you validate your work accordingly (including testing your ideas to ensure they behave as intended in practice).
• You own delivery: you make “done” clear for your changes, use observability to surface issues early, and help keep the service healthy for customers.
• You push quality left in a practical way: automated tests where they add the most value, fast feedback in CI, and PR review that include sanity-checking real user flows when the change warrants it - not just reviewing diffs.
• You work well as part of a team: you help others, pitch in on reviews and support, ask for help when needed, and share knowledge with teammates and the wider company.
• You have good communication skills in English

Bonus points for having:

• Experience with Atlassian Forge
• Production experience with SQL and NoSQL databases (PostgreSQL, MongoDB)
• Product-oriented mindset
• Cooperating with Product Manager and Support Team

What we can offer you

• Long-term B2B contract with salary: 34k-38k PLN net + VAT/month or 110k-122k USD annually
• 33 days of paid annual leave
• Completely remote position
• Control over your professional development
• Annual retreat to spend quality time together
• One-week-long hackathon event each quarter
• Being part of a small, growing company and participating in business decisions
• You’re free to work with the AI tools you prefer (Our teams currently use Cursor, Claude Code, and OpenAI).