* The position is fully remote and is open to candidates based in Türkiye
* The position is for a B2B/freelancing cooperation
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 65+ products
85+ 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 PROJECTSHere 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
Our product development team is looking for a Senior 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 everything from participating in high-level technical discussions to engineering and deploying complex features, giving you full ownership across the entire product development lifecycle.
For ambitious engineers, we’ll provide the time, mentorship, and opportunities to step into a leadership role, where you can guide and mentor your own team over the longer term. 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
Engage in code reviews, provide constructive feedback, mentoring less senior engineers
5+ years of experience in building web solutions using Node and React
Experienced with Javascript/Typescript
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
Proficient in English
Experience with Python is beneficial but not essential
Typescript
Node.js
React + Next.js
React Native
GraphQL, tRPC
Material UI
Playwright
PostgreSQL
Google Cloud Platform
Python
HuggingFace API, LLM APIs (eg OpenAI API), Langchain, Vector Databases for RAG
Note: You don’t need experience with all the above technologies as we are happy to upskill in certain areas.
BENEFITS
Flexible working hours
Remote working environment
Monthly payment in USD
26 days off + 1 additional day for every year working with OAK’S LAB (capped at 30 days)
Budget to spend on your growth (books, courses, conferences)
Free English lessons
Team bonding, happy hours, online games, annual offsite trips
Important Notice: OAK'S LAB communication, including interview requests and job offers, are only sent from an "@oakslab.com" or "@oaks-lab.com" email addresses (e.g., [email protected] or [email protected]). Any message from a different email domain is not associated with OAK'S LAB. We will never ask for payment information or banking details via email, phone, or any other communication channel during the interview process. If you receive messages using our name, domain, or brand assets in an attempt to impersonate us or act on our behalf, do not engage. Instead, report it to Econsumer.gov at Government Shutdown Notice / Aviso de cierre del gobierno (if you are in the EU), Federal Trade Commission (FTC) at Government Shutdown Notice / Aviso de cierre del gobierno , or the Securities and Exchange Commission (SEC) in case of investment fraud at SEC.gov | Report Suspected Securities Fraud or Wrongdoing (if you are in the US).
Top Skills
What We Do
OAK’S LAB is a leading product development partner specializing in custom web and mobile application development that drives tangible business results. 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.
Notable Clients:
• AAA - 61M members
• Blackpoint Cyber - $201M in funding
• Blue Owl Capital - $251B AUM
• Capital Markets Gateway - $69M in funding
• Nasdaq Private Market - $62M in funding
• PlexTrac - $81M in funding
• Productboard - $261M in funding
• Volkswagen - $5B market cap
Our Services:
1. Product Discovery
Before writing a single line of code, we help you identify the right product to build. Through market research, user validation, and rapid prototyping, we reduce risk and ensure your product meets real user needs and is commercially viable.
2. Custom Web & Mobile Development
We build scalable, high-performance applications using React.js and Node.js, tailored to your business goals. Our focus on clean architecture and modern frameworks ensures your product is fast, secure, and ready to scale.
3. AI & Agentic Systems
We design and build AI-powered systems that automate workflows, streamline operations, and connect siloed data. Leveraging LLMs, RAG, and AI orchestration, we create intelligent solutions that deliver efficiency gains.









