Remote Smart Contract Engineer

Nunegal Consulting seeks a Senior Smart Contract Developer to join our fully remote team, focusing on secure, scalable blockchain solutions.You will design, implement, test, and deploy Solidity contracts across EVM-compatible platforms, and mentor peers while helping shape the architecture of decentralized applications. Ideal candidates have a track record...

OverviewThis position is posted by Jobgether on behalf of YLD. We are currently looking for a Contract QA Engineer in EU. As a Contract QA Engineer, you will play a crucial role in ensuring the quality and reliability of software applications by performing automated, manual, and exploratory testing. You will work closely with cross-functional teams to...

3 days ago Be among the first 25 applicantsGet AI-powered advice on this job and more exclusive features.YOUR MISSIONWe are looking for an experienced Senior QA Engineer to elevate the quality, reliability and maintainability of our SaaS ecosystem of NodeJS Microservices and React Web Applications. You'll work on test strategies, guidelines and...

Wynwood Tech LLC seeks multiple Test / QA Engineers for a leading digital agency in Spain. The role is based in Barcelona with long-term engagement, mostly remote and occasional on-site visits. You will test mobile and web applications, APIs, and contribute to CI/CD processes. English language required; start ASAP with flexible freelancing/contracting...

Sharp Source is seeking a Senior Network & Security Operations Engineer – Fortinet to manage and optimize security operations using Fortinet technologies. You will engage with customers to resolve issues, work across time zones, and apply Fortinet certifications to sustain secure networks. This contract role requires 40 hours per week for one month, with...

Sharp Source is seeking a Senior Network & Security Operations Engineer – Fortinet to manage and optimize security operations using Fortinet technologies. You will engage with customers to resolve issues, work across time zones, and apply Fortinet certifications to sustain secure networks.This contract role requires 40 hours per week for one month, with...

Mercor seeks a Web Development Expert to join its remote team. The role emphasizes frontend mastery with HTML, CSS, and JavaScript, accessibility, and pixel-perfect layouts, requiring 3–8 years of professional web development experience. You will render reference pages, judge reproductions, test responsiveness, and provide evidence-based justifications for...

Refinery89 is seeking a Senior AdTech Solutions Engineer (6-month contractor) to own complex investigations across live publisher stacks.Siga leyendo para comprender completamente lo que este trabajo requiere en cuanto a habilidades y experiencia. Si su perfil encaja, presente su candidatura.You will work with Prebid, GAM, Amazon APS, consent frameworks, and...

Refinery89 is seeking a Senior AdTech Solutions Engineer (6-month contractor) to own complex investigations across live publisher stacks. You will work with Prebid, GAM, Amazon APS, consent frameworks, and SSP integrations to diagnose issues and validate solutions. You will translate findings into precise specifications for the Development team while...