Mid-Level Fullstack Engineer (Node&React)

OAK'S LAB; Polska; Remote; PLN 276,000 - 473,000; Full time

Job summary

OAK'S LAB, a Prague-based product development partner, is seeking a Fullstack Engineer to build web and mobile apps for US and European clients. You’ll join a dedicated product team with a Tech Lead, Product Manager, Designer, and fellow engineers to drive end-to-end delivery.

You’ll contribute across the stack, participate in design discussions, and ensure high-quality software that meets user needs. The role includes opportunities to explore AI-driven tooling and internal AI Guild involvement.

Qualifications

• 4+ years of experience building digital products with Node.js & React.
• Strong on JavaScript/TypeScript and modern frontend/backend patterns.
• Excellent written and spoken English; able to collaborate with international teams.

Responsibilities

• Design, develop, and version high-quality web and mobile applications
• Collaborate with product teams to understand feature requirements and translate them into technical solutions
• Be accountable for an area of the application, its delivery, production-level quality, and its presentation to stakeholders
• Understand the product and user needs to prioritize business value and functionality
• Ensure the application meets security and scalability requirements
• Write clean and scalable code

Skills

Node.js

React

JavaScript

TypeScript

English

Job description

• This position is open to engineers based in Türkiye, Serbia, Poland, Slovakia and Czechia


• The position is for a B2B/freelancing cooperation and it is a long-term contract engagement

• This position is open to engineers based in Türkiye, Serbia, Poland, Slovakia and Czechia


• The position is for a B2B/freelancing cooperation and it is a long-term contract engagement

About Us

We are a leading product development partner specializing in custom web and mobile application development. With Silicon Valley founders and top-tier European tech talent, we operate from Prague and have successfully delivered over 65 software products for early-stage startups, scaleups, and global enterprises.

• Founded in 2016


• Headquartered in Prague


• Built and launched 70+ products


• 90+ team members


• Driving product innovation for leading US companies

At OAK'S LAB, we take an AI-first approach, utilizing AI on almost every project. From streamlining design and testing workflows to enhancing developer productivity, our teams leverage tools such as Figma MCP Server, Playwright MCP Server, and Cursor, and we're actively experimenting with remote AI agents to push the boundaries of what's possible in product development.

OUR PROJECTS

Here are a few from our portfolio:

• Nasdaq Private Market (Series C, Finance)- nasdaqprivatemarket.com


• Blackpoint Cyber (Series B, Cybersecurity) - blackpointcyber.com


• OpenLoop (Series A, Healthcare) - openloophealth.com

THE ROLE

Our product development team is looking for a Fullstack Engineer who combines creative thinking, exceptional problem-solving skills, and technical expertise to build outstanding web and mobile applications for our clients.

You’ll play a key part in building and scaling impactful digital products from the ground up. You’ll work as part of a dedicated product team alongside a Tech Lead, Product Manager, Designer, and a talented group of engineers, driving the success of innovative companies. Your role will involve actively contributing to the software development process and engaging with the team and business. You’ll be participating in discussions, providing technical input, and ensuring the delivery of high-quality software solutions that meet user needs and project goals.

You’ll also have the opportunity to join our internal AI Guild, a community where engineers share insights, experiment with cutting-edge AI tools, and learn from one another.

Responsibilities

• Design, develop, and version high-quality web and mobile applications


• Collaborate with product teams to understand feature requirements and translate them into technical solutions


• Be accountable for an area of the application, its delivery, production-level quality, and its effective presentation to stakeholders


• Understand the product and user needs to prioritize business value and functionality


• Ensure the application meets all requirements of security and scalability


• Write clean and scalable code

Skills & Requirements

• 4+ years of experience in building digital products with both Node.js & React


• Experienced with Javascript/Typescript


• Proficient in English


• Focus on code quality


• Desire to learn new technologies and apply AI in your workflow


• Strong analytical and problem-solving skills


• Proactiveness and the capability to make a difference


• Driven, hard work ethic, showing commitment


• Ability to work effectively in a team environment, following Agile methodologies


• Experience with Python is beneficial but not essential

OUR TECH STACK

• Typescript


• Node.js


• React + Next.js


• React Native


• GraphQL, tRPC


• Material UI


• Playwright


• PostgreSQL


• Google Cloud Platform


• Python


• AI Tools: Figma MCP Server, Playwright MCP Server, Cursor, Remote Agents