Blockchain Engineer

4 weeks ago


Bengaluru, Karnataka, India Mercle Full time
Location: Hyderabad

Experience: 2+ years

Type: Full-time

Role Overview

As a Blockchain Backend Engineer, you'll be responsible for designing, building, and maintaining backend services that interact with multiple blockchains (Solana + EVMs). You'll work with Python/FastAPI for APIs, Rust/Node for blockchain logic, and AWS for deployment and scaling.

What You'll Do

- Build and maintain backend services using Python + FastAPI.
- Write blockchain-specific modules in Rust (Solana) and Node/Python (EVM).
- Develop and integrate smart contracts across Solana and EVM chains.
- Work with Web3 libraries (ethers.js, web3.py, anchor, etc.) to handle chain interactions.
- Architect scalable services deployed on AWS.
- Collaborate with the product team to design APIs for frontend and mobile apps.
- Optimize performance, reliability, and cost efficiency of infrastructure.

What We're Looking For

- Strong backend engineering experience with Python (FastAPI preferred).
- Solid understanding of Solana (Rust/Anchor) and EVM (Solidity/Node/Web3) ecosystems.
- Experience writing and deploying smart contracts.
- Proficiency with AWS (Lambda, EC2, S3, etc.) and backend infra management.
- Familiarity with event-driven architecture and WebSocket/real-time APIs.
- Problem-solving mindset, capable of working independently in a fast-paced startup.

Nice to Have

- Knowledge of security best practices for blockchain systems.
- Previous experience in identity, wallets, or proof-of-personhood solutions.
- Contributions to open-source blockchain projects.

Perks

- Work directly with the founding team building Mercle.
- Solve real technical challenges at scale.
- Be part of a project shaping the future of AI internet.

  • Bengaluru, Karnataka, India Luxoft Full time ₹ 1,50,00,000 - ₹ 2,50,00,000 per year

    Project descriptionWe are looking for a seasoned Blockchain Architect to lead the design and implementation of decentralized solutions. The role involves working with various blockchain platforms, smart contract development, and integrating blockchain with enterprise systems.ResponsibilitiesDesign and implement blockchain architectures and decentralized...


  • Bengaluru, Karnataka, India Zenith Studio LLC Full time ₹ 12,00,000 - ₹ 36,00,000 per year

    We're Hiring: Blockchain ArchitectZenith Studio is looking for an experiencedBlockchain Architect (5–10 years)to lead our in-house cryptography project.Role:Design the architecture & pipeline for a Post-Quantum Layer using NIST-standard PQC.Target both EVM & non-EVM chains at the application level.Build a pluggable SDK and smart contract registry ...


  • Bengaluru, Karnataka, India Grep Ruby WebTech Pvt. Ltd. Full time ₹ 12,00,000 - ₹ 36,00,000 per year

    Description: - Lead and own backend development using and - Design, build, and maintain scalable RESTful APIs and microservices architecture - Write, debug, and optimize complex raw SQL queries for performance and scalability - Work with PostgreSQL and Sequelize ORM for data modeling and management - Implement caching solutions using Redis...


  • Bengaluru, Karnataka, India GAMMASTACK Full time ₹ 20,00,000 - ₹ 25,00,000 per year

    DescriptionLead and own backend development using and Design, build, and maintain scalable RESTful APIs and microservices architectureWrite, debug, and optimize complex raw SQL queries for performance and scalabilityWork with PostgreSQL and Sequelize ORM for data modeling and managementImplement caching solutions using Redis & Integrate real-time features...

  • Web3 Engineer

    2 days ago


    Bengaluru, Karnataka, India Grayson Talent Full time ₹ 7,00,000 - ₹ 12,00,000 per year

    The Web3 Engineer is responsible for designing, implementing, and scaling multi-chain blockchain infrastructure and decentralized identity (DID) systems. This role focuses on deep technical expertise across Bitcoin, Ethereum, and Graphene/Steem, delivering secure, scalable, and efficient blockchain solutions aligned with the company's strategic goals. The...


  • Bengaluru, Karnataka, India Relevance Lab Full time US$ 1,25,000 - US$ 1,75,000 per year

    About the roleWe are seeking an experienced Infrastructure Engineer to join our team at, a leader in blockchain technology and solutions. The ideal candidate will have a strong background in infrastructure management and a deep understanding of blockchain ecosystems. You will be responsible for designing, implementing, and maintaining the foundational...

  • Senior Web3 Engineer

    4 hours ago


    Bengaluru, Karnataka, India Etta Global Partners Full time ₹ 20,00,000 - ₹ 25,00,000 per year

    We are seeking a highly experienced Senior Web3 Developer with deep expertise in blockchain protocols, smart contract development, and security practices. The ideal candidate will have hands on experience across multiple chains and ecosystems, including Aptos, Arbitrum, OKX, Bitcoin Taproot, and strong knowledge of Layer 1 and Layer 2 networks. This role...


  • Bengaluru, Karnataka, India iVistaz Ecom Services Pvt Ltd Full time ₹ 12,00,000 - ₹ 24,00,000 per year

    Responsibilities:Set up and manage blockchain nodes on AWS Managed Blockchain or Azure Blockchain Service.Ensure high availability, scalability, and disaster recovery of the solution.Implement secure access control, encryption, and compliance standards.Monitor resource usage, optimize costs, and automate deployments via DevOps pipelines.Collaborate with the...

  • Software Engineer

    2 weeks ago


    Bengaluru, Karnataka, India PrimeVault Full time ₹ 15,00,000 - ₹ 25,00,000 per year

    Company DescriptionPrimeVault is a powerful, all-in-one platform for institutions, corporations, fintechs, and payment companies to scale internal crypto and stablecoin operations, build novel financial experiences embedding blockchain and DeFi, and protect company and user funds at rest and in transit. Our platform is powered by industry-leading wallet...


  • Bengaluru, Karnataka, India Winfort Full time ₹ 12,00,000 - ₹ 36,00,000 per year

    Responsibilities:Design & Deployment: Develop, deploy, and manage the infrastructure for blockchain nodes, databases, and network systems.Automation & Optimization: Automate infrastructure provisioning and maintenance tasks to enhance efficiency and reduce downtime. Optimize performance, reliability, and scalability across our blockchain systems.Monitoring...