Tech Lead (Node&React) - Portugal

OAK'S LAB; Portugal; Presencial; EUR 65 000 - 90 000; Tempo integral

Resumo da oferta

OAK'S LAB in Portugal seeks an experienced Tech Lead to own the technical buildout of multiple products. You will lead a small, high-performing team of engineers and collaborate with product and design leaders to shape architecture and delivery.

You will mentor engineers, drive technology decisions, and contribute hands-on while aligning with business goals. A strong AI mindset and English fluency are required to influence ambitious startups.

Qualificações

• 3+ years leading an engineering team.
• 6+ years in software engineering.
• 3+ years building web apps with Node.js and React.
• Experience architecting software from scratch is a plus.
• Experience setting up and maintaining hosting infrastructure.
• Strong business acumen, especially in startups.
• Desire to learn new technologies and apply AI in workflow.
• Strong analytical and critical thinking skills.
• Proficiency in English.

Responsabilidades

• Lead, mentor and manage a 3–7 engineer team.
• Own the technical delivery of projects and meet deadlines.
• Select and update technologies to fit client needs.
• Assist PM in discovery refinement and roadmapping.
• Be a hands-on contributor and code with the team.
• Conduct regular code reviews and oversee architecture.
• Improve development processes and team efficiency.

Conhecimentos

Leadership

Engineering experience

Web apps (Node/React)

Software architecture

Hosting infrastructure

Business acumen

Learning mindset

Analytical thinking

English proficiency

Ferramentas

Typescript

Node.js

React

Next.js

React Native

GraphQL

tRPC

Material UI

Playwright

PostgreSQL

Google Cloud Platform

Python

HuggingFace API

LLM APIs

Descrição da oferta de emprego

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

• 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 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 or @oaks-lab.com email addresses (e.g., [e-mail] or [e-mail]). 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).