--- title: 'Tech Lead (Node&React) - Portugal at OAK''S LAB' canonical: 'https://feeny.ai/job/tech-lead-node-react-portugal-oak-s-lab-portugal-hx8y1aekbkgt' type: 'job' last_seen: '2026-09-09' --- # Tech Lead (Node&React) - Portugal at OAK'S LAB - **Company:** OAK'S LAB - **Location:** Portugal - **Employment:** contract - **Work type:** remote - **Posted:** 2026-07-22 - **Last confirmed live:** 2026-09-09 - **Apply:** https://jobs.ashbyhq.com/oakslab/e6e922f4-ad1a-4964-bc61-1e02308820e1 ## Job description - The position is fully remote and is open to candidates based in Portugal - 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 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 PROJECTS Here are a few from our portfolio: - Nasdaq Private Market (Series C, Finance)- nasdaqprivatemarket.com http://nasdaqprivatemarket.com - Blackpoint Cyber (Series B, Cybersecurity) - blackpointcyber.com http://blackpointcyber.com - OpenLoop (Series A, Healthcare) - openloophealth.com http://openloophealth.com ## THE ROLE Our product development team is looking for an experienced Tech Lead who combines creative thinking, exceptional problem-solving skills, and technical expertise to own the technical buildout of the product. On each of our products, we have a dedicated team that is led by a Tech Lead, a Product Manager, and a Design Lead. Our teams are small and effective and range from 5 to 15 people. This role requires a combination of strong technical and leadership capabilities. You’ll be responsible for managing an engineering team (usually 3-7 engineers), owning the software architecture and infrastructure, engaging with the business to understand the product needs, and overseeing the technical direction and delivery. You’ll get support and guidance from our Head of Engineering and will also be part of our Engineering Leads Council, where we consult on large technical challenges and tech-related decisions that shape the startups we build. 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 Leadership - Collaborate with the Product Manager and Design Lead to align on the project’s goals and ensure the delivery of a seamless, performant front-end experience. - Lead, mentor, and manage a team of engineers, fostering a collaborative and high-performing team culture - Create and maintain an environment where your engineers are motivated, engaged, and constantly improving their skills. Development - Own the technical delivery of the project, ensuring deadlines are met and deliverables align with the client's objectives. - Select and update technologies that are most appropriate for the client's needs, ensuring they align with our standards - Assist the Product Manager in discovery refinement, ensuring that epics and user stories in the roadmap are refined, estimated, and prioritized in line with business goals - Be a hands-on contributor to the project, developing features together with the team - Conduct regular code reviews to maintain code quality - Oversee the overall software architecture - Proactively seek ways to improve the development process and team efficiency ## SKILLS & REQUIREMENTS - 2+ years in a leadership role - 6+ years in engineering - 3+ years in building web applications using Node.js and React - Experience in architecting software (for projects from scratch is a plus) - Experience in setting up and maintaining hosting infrastructure - Strong business acumen (experience in early-stage startups is a plus) - Desire to learn new technologies and apply AI in your workflow - Strong analytical and critical thinking skills for complex technical challenges - Willingness to learn new technologies - Proficiency in English ## OUR TECH STACK - 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 Important Notice: OAK'S LAB communication, including interview requests and job offers, are only sent from an "@oakslab.com http://oakslab.com" or "@oaks-lab.com http://oaks-lab.com" email addresses (e.g., john@oakslab.com or john@oaks-lab.com). 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 http://Econsumer.gov at Government Shutdown Notice / Aviso de cierre del gobierno https://econsumer.gov/ (if you are in the EU), Federal Trade Commission (FTC) at Government Shutdown Notice / Aviso de cierre del gobierno https://reportfraud.ftc.gov/ , or the Securities and Exchange Commission (SEC) in case of investment fraud at SEC.gov http://SEC.gov | Report Suspected Securities Fraud or Wrongdoing https://www.sec.gov/tcr (if you are in the US). ## About OAK'S LAB ## Company Overview - **One-liner**: Product, engineering, and AI partner for high-growth tech companies, building software products that help clients achieve scale and market leadership. - **Entity Type**: Private, Bootstrapped (no external investors) - **Headquarters**: Prague, Czech Republic - **Founded**: 2016 - **Founders**: Jake Dluhy-Smith (CEO & Co‑Founder) and Theo Dluhy-Smith (Co‑Founder) ## Core Business - **Primary industry**: Custom software development, product engineering, and AI integration services. - **Target customers**: B2B – high‑growth startups (Series A through D), Fortune 500 enterprises, and scale‑up companies needing product‑focused engineering partnerships. - **Mission**: “Bring people together to drive technological progress and achieve ambitious business outcomes.” - **Vision**: “Empower innovators to improve life and the world.” ## Products & Services OAK’S LAB offers two engagement models – **Embedded Roles** (individual contributors or teams integrated into the client’s org) and **Autonomous Teams** (full cross‑functional workstreams owning discovery and delivery). Their core service pillars are: - **Product Discovery**: Validating product ideas, defining strategy, and de‑risking decisions before building. - **Custom Software Development**: Full‑stack builds using React.js, Node.js, and modern architectures. - **Agentic AI Systems**: AI‑powered features and AI‑native delivery embedded throughout the software development lifecycle. **Notable client products built by OAK’S LAB:** - **PlexTrac** – AI‑powered platform for penetration test reporting and real‑time threat exposure management (used by Fortune 500). - **Capital Markets Gateway** – First US platform connecting the sell‑side and buy‑side in equity capital markets, representing over $40 trillion in assets. - **OpenLoop Health** – Healthcare technology solutions for telehealth and remote patient monitoring. ## Market Standing - **Valuation/Market Cap**: Not disclosed (bootstrapped, no external funding). - **Key Metric**: 85+ team members; 65+ client products built and launched; 89% client retention post‑initial contract; 4‑year average partnership duration. - **Notable Investors/Partners**: No institutional investors. Clients include Fortune 500 companies and high‑growth startups such as Blackpoint Cyber, PlexTrac, Capital Markets Gateway, and OpenLoop Health. - **Growth Signals**: - 3× development speed achieved through AI‑integrated delivery practices. - Helped one startup client surpass $1 B in annual revenue and multiple clients raise over $200 M combined. - ISO 27001 certified; recognized as thought leader at South Summit and Czech Innovation Week. - 5‑star rating on Clutch with 32+ client reviews. ## Competitive Advantages - **Elite talent pool**: Only the top 0.4% of applicants are hired – experienced product builders who have scaled companies in regulated industries. - **Long‑term partnerships**: Average engagement lasts 4 years (not project‑based), ensuring ownership, continuity, and deep product knowledge. - **AI‑native delivery**: AI is embedded in every phase (discovery, development, review), compounding quality and speed. - **High‑compliance expertise**: Deep experience in cybersecurity, healthcare, and finance – industries where regulatory and reputational risks are critical. - **Proven methodology**: Proprietary “OAK’S LAB WAY” refined over 65+ client engagements, applied consistently across teams. ## Strategic Focus - Deepen AI integration across the software development lifecycle to maintain a 3× speed advantage. - Continue building a strong client portfolio in FinTech, cybersecurity, and AI‑powered products. - Help clients transition from outsourced teams to their own in‑house European engineering hubs when they are ready. - Expand presence as a thought leader and preferred partner for Series B‑D companies. ## Why Work Here - **Small, autonomous teams**: Teams of 5–10 people, each focused on a single client product – every member has high impact. - **Diverse, multinational culture**: Close to 20 nationalities; English is the company’s main language; open‑minded and collaborative environment. - **Cutting‑edge work**: Build products at the intersection of AI, regulated industries, and high‑growth scaling – from zero‑to‑one to unicorn stage. - **Learning and growth**: Access to the proprietary OAK’S LAB WAY methodology and cross‑industry exposure across 65+ projects. - **Location**: Office‑based in Prague (remote/hybrid policy not explicitly stated, but teams often embed with US clients). Selective hiring – candidates join a waitlist. ## Sources 1. [oakslab.com](https://www.oakslab.com/) – Homepage (services, differentiators, client logos) 2. [oakslab.com/about](https://www.oakslab.com/about) – Founding story, mission, vision, leadership, and key statistics 3. [oakslab.com/careers](https://www.oakslab.com/careers) – Team structure, methodology, work culture 4. [jobs.ashbyhq.com/oakslab](https://jobs.ashbyhq.com/oakslab) – Current job openings and waitlist 5. [linkedin.com/company/oakslab](https://in.linkedin.com/company/oakslab/) – LinkedIn company page (team size, industry, location) ## Other roles at OAK'S LAB - [Tech Lead (Node&React) - Serbia](https://feeny.ai/job/tech-lead-node-react-serbia-oak-s-lab-serbia-a577x1snzn1m) — Serbia - [Mid-Level Fullstack Engineer (Node&React)](https://feeny.ai/job/mid-level-fullstack-engineer-node-react-oak-s-lab-turkey-dhhagyqd4rwv) — Turkey - [Senior Product Manager/Product Lead](https://feeny.ai/job/senior-product-manager-product-lead-oak-s-lab-prague-7kc5tcq24b4f) — Prague, Czech Republic - [Senior Technical Product Manager/Technical Product Lead](https://feeny.ai/job/senior-technical-product-manager-technical-product-lead-oak-s-lab-prague-s6372c0nzg82) — Prague, Czech Republic - [Social Media Manager & Content Creator](https://feeny.ai/job/social-media-manager-content-creator-oak-s-lab-prague-c4xr19pnkk1g) — Prague, Czech Republic - [Product Designer](https://feeny.ai/job/product-designer-oak-s-lab-prague-rzmn4wk1td8b) — Prague, Czech Republic - [Senior Fullstack Engineer (AI Focused)](https://feeny.ai/job/senior-fullstack-engineer-ai-focused-oak-s-lab-prague-g8d39850rqv8) — Prague, Czech Republic - [Senior Software Engineer (Node&React)](https://feeny.ai/job/senior-software-engineer-node-react-oak-s-lab-europe-37r23rc5axnr) — Europe - [Tech Lead (Node&React) - South Africa](https://feeny.ai/job/tech-lead-node-react-south-africa-oak-s-lab-south-africa-e169c24z2zpw) — South Africa - [Tech Lead (Node&React) - Greece](https://feeny.ai/job/tech-lead-node-react-greece-oak-s-lab-greece-93nx8gne38m7) — Greece