Software Testing Engineer

WorldwideRemote

We are seeking a skilled and passionate Software Testing Engineer to join our innovative blockchain project team. This role focuses on hands-on testing, maintaining test automation frameworks, and ensuring high-quality releases. The ideal candidate will have a strong background in QA Automation and blockchain domain knowledge.

You will

  • Work independently with a strong desire to improve existing solutions

  • Create, manage, and optimize automated testing frameworks, ensuring our products' continuous and flawless updates

  • Understand business scenarios and tech design, design and develop auto tests

  • Collaborate with a tech lead and engineering team to meet technical requirements and deliver on project goals

  • Prioritize sharp & iterative delivery on tight deadlines

  • Stay updated with new trends and best practices specifically with a focus on scaling blockchain infrastructure and performing systematic testing

What you bring

  • 5+ years of experience in software testing

  • Strong knowledge of Node.js/TS, Playwright, Jest, Synpress

  • Strong knowledge of functional / non-functional testing

  • Performance testing

  • Excel in communication and collaboration across teams

  • Desire to have skin in the game & make it big

Nice to have

  • Experience in blockchain domain

  • Experience in finance domain

  • Understanding of Prediction Markets

  • Previous work in a startup or product-focused environment, especially in DeFi

  • Passion for decentralization and the broader impact of blockchain on industries

  • Experience using prediction markets or understanding of how they function

Tech stack

Frontend

  • Typescript, Node.js, Next.js

  • ChakraUI / Tailwind.css

  • Axios, React-query, GraphQL / Apollo

  • React context, React hooks

  • Wagmi, Web3Auth

  • Account Abstraction - Pimlico

  • Jest, Vitest, Playwright

  • Eslint, Prettier, Husky

Backend

  • Typescript, Node.js, Nest.js

  • Gnosis Safe

  • Google Cloud

EVM

  • Solidity, TypeScript

  • Hardhat, Foundry

  • Mocha, Chai, Smock

  • OpenZeppelin Contracts, Ethers-v6, Typechain, Conditional Token Framework(CTF)

  • ESLint, Prettier, Husky

Benefits

  • Competitive option stock & salary based compensation

  • Unlimited PTO

  • Global team offsites

  • Professional development opportunities

  • Hardware (if needed)

  • Office in Lisbon

Published on: 5/7/2026

Limitless Labs

Limitless Labs

limitless.exchange is a prediction market app we’re scaling to viral, mainstream adoption. We processed more than $170M in trading volume, with a focus on financial markets like crypto, stocks & commodities. We have strong signs of PMF, with 40% 7 day retention among traders and the average trader spending 5.5hrs per week on the platform.

Website

See all 4 jobs at Limitless Labs

Unlock access with PlusPlus

Please let Limitless Labs know you found this job on Wantapply.com. It helps us to get more jobs on our site. Thanks!