Gnosis
Senior Web3 Developer
Portugal, GermanyFull-timeGlobal
š Midš Remote
Job Description
[AI-summarized by JobStash]
You will design, implement, and operate the backend services and smart contracts that connect permissionless blockchains to traditional payment networks. You will write production-grade Go services and Solidity contracts, model complex domains using Domain-Driven Design, build and maintain REST APIs and integration points, and participate in code reviews. You will troubleshoot and resolve production issues, write tests and documentation, and collaborate with product managers, designers, and engineers to deliver scalable payments solutions.
Requirements
- ā6+ years software development experience
- āProven backend development experience building high-scale reliable services (Fintech, Payments, or high-throughput systems)
- āHands-on Solidity smart contract development and integration into backend systems
- āExperience with indexers, transaction broadcasting, settlement issues, and RPC provider integration
- āProficiency in Go (preferred)
- āExperience with account abstraction concepts
- āFamiliarity with Domain-Driven Design principles
Responsibilities
- āOwn the interface between permissionless blockchains and payment networks
- āDesign, develop, and deploy high-performance scalable backend services and smart contracts
- āWrite clean, well-tested, and maintainable code adhering to best practices
- āApply Domain-Driven Design to model complex business domains
- āDevelop and maintain RESTful APIs and integration points
- āParticipate in code reviews and provide constructive feedback
- āCollaborate with product managers, designers, and engineers to translate requirements into solutions
- āContribute to system architecture and engineering process improvements
- āTroubleshoot and resolve production issues
- āContribute to technical documentation and knowledge sharing
Benefits & Perks
- āPersonal education budget
- āConference allowance
- āDedicated research time (Friday afternoons)
- āFlexible and remote work
- āState-of-the-art equipment
Tech Stack
paymentsRPCDomain driven designindexersmart contractaccount abstractionScalabilityEthereumREST APIGnosis Chain