Full-Stack Engineer (React + Python/FastAPI)
Are you interested in joining of Europe's fastest growing companies? Do you want to impact the wellbeing of millions of users?
If yes, join us to make an impact in a fast-paced and dynamic environment where you’ll play a key role in driving financial accountability, supporting strategic decisions, and enabling sustainable growth.
Epassi’s purpose is to boost everyday well-being. We are a leading provider of employee benefit solutions across Europe. We were established in Finland in 2007, and in 2008 we were the first company to launch a mobile-payable employee benefit payment solution in Europe. Since then, we have consistently grown, diversifying our products and introducing our services into new markets.
Epassi has been awarded by the Financial Times as one of the fastest-growing companies in Europe on multiple occasions.
We are currently hiring Full-Stack Engineer (React + Python/FastAPI)
Your mission at Epassi
Your mission is to design, build, and enhance full-stack systems that power our customer portal and internal tools. As a key member of our Engineering team, you’ll shape both frontend and backend experiences, ensuring our platform is scalable, reliable, and intuitive. Your work will directly improve how employees interact with their benefits and help us deliver a seamless user experience.
Your responsibilities will be
- Own the design and implementation of the self-service customer portal (frontend and backend).
- Build and maintain REST APIs that power the platform and integrations.
- Design, optimize, and manage relational databases to ensure performance and scalability.
- Integrate with third-party partner APIs to extend platform functionality.
- Collaborate with Product Owners to define, scope, and deliver new features.
- Work with DevOps engineers to improve and maintain CI/CD pipelines.
- Contribute to improving the tech stack, architecture, and development processes.
What you’ll be doing (daily)
- Designing and implementing frontend features using modern frameworks.
- Developing and maintaining backend services and APIs.
- Enhancing user experience through close collaboration with UI/UX designers.
- Managing integrations with external systems and APIs.
- Monitoring, optimizing, and improving system performance and scalability.
- Collaborating with cross-functional teams to deliver high-quality features.
- Troubleshooting and solving technical challenges proactively.
What you should bring
- 3+ years of experience in frontend development (HTML5, CSS3, JavaScript/TypeScript).
- Hands-on experience with frameworks like React, Next.js, or similar.
- 5+ years of experience in Python development.
- Experience with Python web frameworks (FastAPI preferred, Django or Flask).
- Strong understanding of REST APIs and third-party integrations.
- Experience with relational databases (preferably PostgreSQL).
- Familiarity with Docker and containerized environments.
- Working knowledge of CI/CD tools (GitHub Actions, GitLab CI, CircleCI).
- Experience with AWS or similar cloud platforms.
- Solid understanding of testing concepts and frameworks (TDD).
- A proactive, hands-on problem-solving mindset.
Your track record
- Delivered end-to-end full-stack features or systems.
- Contributed to improving architecture, scalability, or engineering practices.
- Experience working across both frontend and backend domains.
- Comfortable taking ownership and driving technical improvements.
- Strong collaboration skills in cross-functional teams.
Your language profile
Excellent command of written and spoken English
Why you should work with us
- Ownership & growth: Work on meaningful challenges with room to influence product and technical decisions.
- Flexible work setup: Remote-friendly environment with a collaborative team culture.
- Innovation-focused team: Join a data-driven, entrepreneurial team that values feedback, iteration, and continuous improvement.
- Strong network: Access to an inspiring entrepreneurial ecosystem in Amsterdam.
- Great perks: Competitive salary, benefits, and a supportive environment that helps you grow.
Work with great people
Great Place to Work
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Company events
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Hybrid and flexible working style
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Modern working tools
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International environment
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Benefit package for wellbeing support
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Private health support
About the company
Epassi’s purpose is to boost everyday well-being.
We are a leading provider of employee benefit solutions in Europe. We were established in Finland in 2007, and in 2008 we were the first company to launch a mobile-payable employee benefit payment solution in Europe. Since then, we have consistently grown, diversifying our products and introducing our services into new markets. Epassi has been awarded by the Financial Times as one of the fastest-growing companies in Europe on multiple occasions.
2007Epassi is founded
2008Launching the Sport & Culture benefits – the first mobile-payable benefits in Europe
2013Launched the commuting benefit.
2014Won the Deloitte Technology Fast 50 programme in Finland.
2015Epassi acquires Min friskvard and expands to Sweden
2016Alipay cooperation accepting payments from Chinese customers
2017Launching the Wellbeing benefit & acquiring Tyky Finland
2018Epassi offers Alipay outside of Finland cooperation with Siirto&Vipps
2019September - Pekka Rantala appointed CEO (former CEO Rovio Entertainment) October - Bregal Milestone Acquired controlling stake in ePassi.
2020January - Epassi and Finnair loyalty program partnership. March - Epassi acquires ActiWay further expanding Swedish presence May - Epassi and Wolt online food delivery partnership
2021Epassi acquires Sodexo BRS Sweden and Eazybreak - cements its position as the Nordic champion for employee benefits
2023Epassi expands outside the Nordics – acquires Incorpore - UK's largest health and fitness network with 11 million employee userbase, and Eudaimon - leading Italian corporate welfare and employee benefits company.
2024Epassi acquires two of Europes leading corporate fitness companies, Hansefit in Germany and BFNL in Netherlands.
2024Epassi acquires Smartum, a pioneer in promoting employee well-being in Finland.
2025Epassi continues to grow in Germany by acquiring i-gb (Initiative - Gesunder Betrieb GmbH), a leading provider of motivational employee benefit solutions in Germany.
2025Epassi acquires VIP District to expand into Southern Europe, strengthening its presence in Spain, France and Portugal.
2025Epassi Group has expanded its UK presence with its an acquisition of Zest.
2025Epassi Group continues its rapid European expansion by acquiring Belonio, a leading German all-in-one employee benefit platform provider.
2025Epassi Group acquired fast-growing multi-benefit scale-up Alleo, based in Amsterdam.
2026Nickyl Raithatha joins Epassi as Group CEO.
Karolina Wolska | Contact Person
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