Expert Backend Engineer (TS + Node.js)

About Framna

At Framna, we partner with ambitious brands to create digital products that make a meaningful impact.

We work across the full product journey, from strategy and UX to engineering and long-term growth, combining technical expertise with a strong product mindset. Together with our partners, we build solutions that users rely on every day.

Our culture is built on trust, ownership, and fearless collaboration. We challenge ideas, support each other, and keep learning - openly sharing feedback, staying flexible in how we work, and approaching each other with empathy. Because the best products are created by teams that move forward together.

About the role & project

You will join a team building a next-generation, passwordless authentication platform used by millions worldwide, leveraging advanced biometrics to secure digital identities and enable seamless access.

Here, you will work with TypeScript, Node.js, and some React, with the space to take ownership and shape how things are built. We collaborate closely, share ideas openly, and use AI tools in our daily work -always focused on creating better products together.

We meet regularly in the studio to stay connected, share perspectives, and keep the team energy strong.

Preferred skills & qualifications

• 8+ years of experience building digital products as a Backend Engineer or in a similar role

• Deep knowledge of TypeScript and JavaScript, with the ability to guide technical decisions and best practices

• Extensive hands-on experience with Node.js (NestJS)

• Confidence working across the stack, shaping solutions, and taking end-to-end ownership of complex technical challenges

• Experience using AI tools effectively across coding, testing, documentation, and team collaboration, with the ability to critically evaluate their output and guide adoption within the team

• In-depth understanding of SQL and NoSQL databases, including data modeling, performance optimization, and technology selection

• Deep understanding of HTTP, REST APIs, and modern web communication patterns, with the ability to make informed architectural decisions

• Flexibility to work with frontend technologies when needed and support technical decisions across the stack; experience with React is a plus

• Extensive experience with backend testing approaches and tools, with the ability to define testing strategies and drive improvements in quality

• Very good communication skills in English and Polish, including the ability to explain complex technical concepts and align stakeholders on technical decisions

What you will find at Framna

• Real ownership and influence on the products you build

• A focus on business value over technical perfection

• Continuous feedback and open, honest communication

• Regular 1:1s and a mentoring program to support your growth

• Internal workshops and knowledge sharing across teams

• Flexible working hours (you can start between 7:00–10:00)

• Hybrid model with regular in-studio collaboration (Gdańsk, Wrzeszcz)

• High-quality equipment, including MacBook and testing devices

• Individual training budget

• English classes in small groups

Plus the essentials:

• Private medical care (Compensa) and MultiSport

• Team gatherings and shared moments beyond work

If you are motivated by ownership, collaboration, and continuous improvement, and you enjoy solving real problems with a team you can rely on - you will feel at home at Framna.

Let’s build impactful products together.

Tech stack

• JavaScript
• TypeScript
• nestJS
• Security
• Cloud