Senior Full Stack Engineer

BHSSYEN SYSTEM PVT LTD; Poland; Remote; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Flexible Work Environment

Generous Time Off

Comprehensive Health Insurance

Home Office Setup Allowance

Learning & Development Budget

Performance-Based Growth

Performance-Based Growth

Job summary

A dynamic technology company in Poland is seeking a high-ownership Full Stack Engineer. This remote position involves end-to-end feature development and requires strong programming experience across frontend and backend systems. The role fosters collaboration with product and design teams to create efficient and reliable solutions that impact millions of users. Flexible work environment and benefits include comprehensive health insurance and a learning development budget.

Qualifications

• Develop full-stack features from concept to production.
• Work across UI, backend services, and database performance.
• Design scalable architecture and make technical trade-offs.
• Debug and resolve issues across the entire stack.
• Collaborate with product and design teams.
• Ability to balance speed with clean, maintainable code

Responsibilities

• End-to-end feature development across frontend, backend, and database layers.
• Building scalable systems for high-traffic fundraising campaigns.
• Improving performance, reliability, and developer efficiency.
• Solving real-world problems in payments and donor experience.
• Supporting production systems and improving reliability.
• Collaborate with product and design teams to deliver intuitive user experiences
• Support production systems and improve reliability

Skills

Strong real-world programming experience

Ability to work confidently across frontend and backend

Experience with MVC frameworks

Solid understanding of relational databases

Experience deploying applications on cloud platforms

Ability to balance speed with clean, maintainable code

Tools

Rails

Django

Pyramid

AWS

Heroku

Job description

This is a remote position.

We are looking for a high-ownership Full Stack Engineer to help scale a product that directly impacts millions of users. This is a hands-on role where you will contribute across the stack, influence architectural decisions, and ship features that matter.

You won’t just execute tasks. You will help shape how the system evolves.

• End-to-end feature development across frontend, backend, and database layers
• Building scalable systems that support high-traffic fundraising campaigns
• Improving performance, reliability, and developer efficiency
• Solving real-world problems in payments, donor experience, and campaign scaling

Requirements

Key Responsibilities

• Build and ship full-stack features from concept to production
• Work across UI, backend services, and database performance
• Design scalable architecture and make thoughtful technical trade-offs
• Debug and resolve issues across the entire stack
• Collaborate with product and design teams to deliver intuitive user experiences
• Support production systems and improve reliability

Required Experience

• Strong real-world programming experience (not just academic)
• Ability to work confidently across frontend and backend
• Experience with MVC frameworks (Rails, Django, Pyramid, or similar)
• Solid understanding of relational databases (PostgreSQL, MySQL, SQLite)
• Experience deploying applications on cloud platforms (AWS, Heroku, or similar)
• Ability to balance speed with clean, maintainable code

Nice to Have

• Deep experience with Ruby / Ruby on Rails
• PostgreSQL performance tuning or database administration
• Experience building systems used by large user bases
• Understanding of caching, networking, and system performance
• Experience with fintech, payments, or crowdfunding platforms
• Strong product sense and eye for user-friendly UI

Benefits

Remote-First Benefit Options

• Flexible Work Environment Work from anywhere with flexibility around your schedule
• Generous Time Off Paid leave, sick days, and mental wellness breaks
• Comprehensive Health Insurance Medical coverage for you (and dependents, where applicable)
• Home Office Setup Allowance Support to build a productive workspace
• Learning & Development Budget Courses, certifications, and conferences
• Meaningful Work Build technology that directly supports education and access
• Performance-Based Growth Competitive compensation with growth and bonus opportunities