Full Time April 30, 2025 No of vacancies:1
???? Salary: Competitive (Salary is not a big factor here if you have the desired skills and experience)
???? Experience: 3+ Years
? Type: Full-Time (Desk Job)
???? Location: Floor 3, House 353, Road 5, Avenue 4, DOHS Mirpur, Dhaka 1216
Rainbow-Themes is seeking a Senior Blockchain Infrastructure Developer to lead the deployment, maintenance, and optimization of Ethereum and EVM-compatible networks . If youre deeply experienced in validator client operations, consensus layer mechanics, and infrastructure at the protocol levelthis is your opportunity to build and maintain the backbone of cutting-edge decentralized systems.
Deploy, manage, and monitor Ethereum and EVM-compatible full nodes and consensus clients across both mainnet and testnet environments.
Configure and optimize performance of leading clients such as Lighthouse, Prysm, Teku, Nimbus , and Lodestar .
Develop tooling for extracting, indexing, and querying blockchain state and transaction data .
Build backend services to power validator monitoring, performance analytics , and event-driven systems .
Work with JSON-RPC , WebSockets , and build real-time data pipelines .
Troubleshoot complex consensus issues including finality delays, fork-resolution , and slashing protection .
Design high-availability node infrastructure with robust backup, failover, and load balancing strategies.
Optimize cloud and bare-metal deployments for performance, resilience, and security.
3+ years of experience working with blockchain infrastructure , especially Ethereum or EVM-compatible chains .
In-depth familiarity with at least one Ethereum consensus client:
Lighthouse (Rust)
Prysm (Go)
Teku (Java)
Nimbus (Nim)
Strong understanding of Ethereums Proof-of-Stake consensus mechanism .
Proven experience running full nodes , archive nodes , and validator clients .
Expertise in working with JSON-RPC , WebSocket APIs , and Ethereum data structures.
Backend development/scripting in Python , Rust , or Go .
Experience with monitoring and observability tools like Prometheus , Grafana , or ELK Stack .
Skilled in Docker , Linux system administration , and cloud infrastructure (AWS, GCP, or bare-metal) .
Contributions to Ethereum consensus R&D or open-source repos .
Knowledge of slashing protection , key management , and validator economics .
Experience with custom chain indexers or platforms like The Graph .
Involvement in staking-as-a-service or DePIN networks .
Infrastructure experience for Layer 2 networks or rollup architectures .
Were innovators in the blockchain space, building world-class tools and infrastructure for next-gen decentralized applications. Heres what we offer:
???? Competitive Salary + Yearly Performance Increments
???? Annual Retreats & Team Activities
Days: Sunday to Thursday
Hours: 09:00 AM 6:00 PM
Location: DOHS Mirpur, Dhaka (In-Office Only)
Please send your resume and GitHub/GitLab profile with any open-source infrastructure tools , validator dashboards , or monitoring systems youve developed. A short cover letter highlighting your experience at the consensus layer or node operations is highly recommended.
???? Apply now to help shape the future of decentralized infrastructure with Rainbow-Themes.
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