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DV Labs
Lisbon, Portugal
FullāStack Engineer (Web3 / Distributed Validators)
Lisbon, Portugal
Engineering /
Full Time /
Remote
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Who Are We?
The Obol Collective is quickly becoming the foundation of layer 1 blockchains like Ethereum through Obol Distributed Validators (DVs) ā our industry leading validator technology that improves performance, lowers risks and increases rewards. Weāre already securing $1B+ of ETH through key partners like Lido & EtherFi and weāre expecting continued rapid growth.Ā Weāre backed by top tier angels like David Hoffman, Anthony Sassano, Sreeram Kannan, Dankrad Feist and tier 1 investors like Pantera, Archetype, Ethereal Ventures, Placeholder and more.
DV Labs is both the first and largest contributor to the Obol Collective, including building much of the core technology behind the project.
Weāre looking for a productāminded FullāStack Engineer who can take UI/UX ideas, wire them to backend services, and ship features that help operators run distributed validators with confidence.
Youāll work closely with protocol & infra engineers, pulling consensusālayer telemetry that our analytics team already prepares, and surfacing it through APIs and dashboards that delight end users.
Responsibilities
- Build endātoāend features with Next.js (React/TypeScript) on the frontāend and NestJS(Typescript) on the backāend.
- Query ClickHouse and MongoDB to consume outputs from existing analytics pipelines; transform & expose that data via REST endpoints and typed client SDKs.
- Integrate consensusālayer insights (beacon duties, attestation stats, slashing alerts) so stakers understand their validator health.
- Interact with deployed Solidity smart contracts using viem/ethers.js/web3.js to read onāchain state or submit transactions (e.g., validator registration, withdrawal credentials updates).
- Automate testing & deployment with GitHub Actions and serverless hosting on Vercel.
- Contribute to technical roadāmapping, architecture reviews, and RFCs in our open, asyncāfirst culture.
Requirements
- 4+āÆyears building production fullāstack web applications.
- Advanced TypeScript skills across React and Node.js.
- Demonstrated experience designing & consuming REST APIs.
- Ability to query and optimise ClickHouse or another analytic DB, plus familiarity with MongoDB.
- Working knowledge of the Ethereum consensus layer (Beacon Chain duties, attestations, slashing conditions).
- Proven experience interacting with deployed Solidity contracts (reading state, sending signed transactions, gas estimation, event parsing).
- CI/CD mindset; you automate workflows with GitHub Actions (or similar) and treat infrastructure as code.
- Strong testing discipline: unit, integration, and E2E where it matters.
- Excellent written communication; comfortable in an async, globally distributed team.
Nice to have
- Experience with SQL
- Exposure to GraphQL (Apollo Server/Federation) ā some internal services use it.
- Contributions to Ethereum client code, staking protocols, or DV research (Lido, DVT).Experience with p2p networking stacks (libp2p, gRPC) or BFT systems.
- Familiarity with container orchestration (Kubernetes) and infrastructureāasācode (Terraform).
- Go proficiency (many beaconāchain tools use them).
- Dataāvisualisation skills (D3.js, Recharts) for rich dashboards.
About the team
- How we work?
- Asyncāfirst: proposals & design docs precede meetings.
- Small, senior team: high trust & ownership.
- Openāsource by default: most code and discussions are public.
- Our Values are ...
- Synergistic
- Secure
- Innovative
- Reliable
Thank you for your interest. Looking forward to building amazing stuff together!
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