Remote Defi Jobs

About the company

Solstice Labs AG, a Deus X Enterprise company, is a Zug based technology services business providing development and advisory to the Solstice Foundation and Solstice Finance Ltd. Solstice Finance Ltd, is a BVI-based approved manager and offers institutional-grade products to institutional clients and sophisticated investors through locally registered funds. Key products include USX, a Solana-native stablecoin, alongside Solstice’s YieldVault, a democratized yield-bearing protocol that allows participants to access institutional-grade yield strategies.For more information, visit solsticelabs.io

Deus X Capital is a specialist investment and operating company focused on private equity, venture capital and venture build opportunities in the capital markets, fintech and digital assets sectors. Deus X has more than $1bn in assets under management and its unique expertise, extensive network, and diverse capabilities to foster lasting value within the financial technology sector. For more information, visit deusx.capital

About the Role

We are looking for a Test Automation Engineer with expertise in Web3 and Solana-based DApps to develop, implement, and maintain automated test suites for our decentralized finance (DeFi) application and website. The ideal candidate will be experienced in transforming Gherkin-format acceptance criteria (Given-When-Then) into fully automated tests. This role requires deep expertise in automating frontend testing, including wallet interactions, transaction approvals, and end-to-end validation of smart contract executions on the Solana blockchain. You will work closely with developers, DevOps engineer, and product owner to ensure high-quality releases for our DApp, which will launch later this year.

Key Responsibilities

·Convert acceptance criteria (written in Gherkin format) into automated test cases using Playwright or other relevant fit for purpose tools. ·Develop end-to-end automation tests that simulate real user interactions, including: oConnecting wallets (Phantom, Solflare, Backpack, Ledger, etc.). oSigning and approving Solana transactions (minting USX, staking, transferring). oValidating blockchain state changes after transactions. ·Implement and maintain a robust Playwright test automation framework for Web3/DApp testing. ·Automate UI testing for Next.js frontends, ensuring compatibility across different browsers and platforms. Mobile app device testing will also be in scope. ·Build integration tests that verify API and smart contract interactions. ·Mock blockchain environments to create reliable and repeatable tests using Web3-Mock without the need to actually send transactions to the blockchain. ·Work closely with DevOps to integrate tests into CI/CD pipelines, ensuring fast feedback loops and release confidence. ·Continuously analyze and improve test coverage while optimizing test execution times. ·Debug test failures and work with developers to resolve issues before production releases.

·Stay up to date with best practices in Web3 test automation and propose new tools/processes to improve reliability and efficiency.

Technical Skills

·Proficiency in Playwright and Synpress or equivalent tools for UI and end-to-end automation testing. ·Experience testing Web3 applications, including automation of wallet interactions and transaction approvals. ·Strong knowledge of JavaScript/TypeScript (used in our frontend tech stack). ·Familiarity with Solana Web3.js (or Anchor framework) for interacting with smart contracts. ·Ability to write end-to-end tests that simulate real user workflows, including: ·Wallet authentication & connection. ·Transaction signing & approval. ·UI interactions & validation. ·On-chain state verification. Experience with Playwright’s advanced features, including: ·Multi-tab automation for handling wallet pop-ups. ·Network interception to mock blockchain RPC responses. ·Headless browser testing for CI/CD pipelines. ·Parallel execution for efficient test scaling. · Experience with mock blockchain environments, including Web3- ·Mock and Solana Test Validator. Understanding of ·CI/CD pipelines (GitHub Actions, Jenkins, or GitLab CI/CD) and test integration into DevOps workflows. ·Strong debugging skills to troubleshoot test failures across frontend, backend, and blockchain layers.

Nice to Have

·Knowledge of Headless Wallet Automation (e.g., using Playwright to interact with Phantom). ·Experience writing smart contract tests using Solana Anchor framework. ·Familiarity with DeFi protocols and how automated tests can simulate real-world user behaviours in a permissionless environment. ·Understanding of load testing & performance monitoring for blockchain transactions.

·Experience with on-chain analytics tools (e.g., querying Solana RPC

Compensation

Part (1) Solstice Labs will offer competitive base (fiat or crypto) salaries relative to experience and market rates

Part (2) Team members will be incentivized with token allocations from the Solstice Foundation. Token structures will include a vesting schedule for all team members. Tokenomics to be shared directly with candidates.

Part (3) Team members will be further incentivized with a variable annual fiat/crypto bonus structure dependent on company performance.

Benefits

·Fully remote work

·Professional development opportunities

·Paid time off and holidays

·Travel, conference and event sponsorship

·Access to the Deus X network and ecosystem