Back End Developer

2 weeks ago

Lahore, Punjab, Pakistan BIG O SOFT LLC Full time $125,000 - $175,000 per year

About Us

At
Bigosoft
, we're redefining decentralized applications by blending blockchain technology with real-time messaging platforms. Our team thrives on innovation—creating multi-chain solutions that harness the power of Solana, EVM-compatible networks, and Telegram bots to deliver seamless, user-first experiences.

Position Overview

We're seeking a talented
Back End Developer
to lead our blockchain and messaging integrations. In this role, you'll architect robust backend services, build smart contracts, and create high-performance Telegram bots that bridge users to the decentralized ecosystem.

Your Responsibilities

  • Architect Scalable Systems:
    Design and develop backend services with

    and
    TypeScript
    , ensuring high reliability and scalability.
  • Blockchain Development:
    Build and deploy smart contracts for
    Solana (Rust)
    and
    EVM-compatible chains (Solidity)
    , with a focus on cross-chain interoperability.
  • Telegram Bot Engineering:
    Create advanced Telegram bots integrated with our blockchain infrastructure to handle complex interactions and high traffic volumes.
  • API & Data Pipelines:
    Develop secure APIs, manage real-time data flows, and implement caching and database solutions for optimal performance.
  • Security & Optimization:
    Apply best practices for authentication, data protection, and system tuning.
  • Collaborative Delivery:
    Work closely with blockchain, frontend, and product teams to deliver integrated, high-quality solutions.
  • Infrastructure Management:
    Deploy and monitor backend systems using
    Docker
    ,
    AWS
    , and modern serverless tools.

What We're Looking For

  • Technical Expertise
  • 5+ years in backend development with

    and
    TypeScript
  • Strong knowledge of blockchain protocols including
    Solana (Rust)
    and
    EVM (Solidity)
  • Proven experience in building and maintaining Telegram bots
  • Solid background in API security, WebSocket communication, and real-time processing
  • Proficiency with
    PostgreSQL
    ,
    MongoDB
    , and caching solutions like
    Redis
  • Familiarity with
    Docker
    ,
    AWS
    , and DevOps best practices
  • Availability for on-site work at our [Location] office for close collaboration
  • Blockchain Proficiency
  • Solana:
    Rust, Anchor, Solana CLI
  • EVM:
    Solidity, , , Truffle/Hardhat
  • Understanding of cross-chain bridges, DeFi protocols, and tokenomics
  • Telegram Bot Skills
  • Deep understanding of the Telegram Bot API and scalable bot architectures
  • Experience linking bots to blockchain wallets and decentralized apps
  • Ability to optimize bot logic for performance and analytics

Our Tech Stack

Backend: , TypeScript, , NestJS

Blockchain: Solana (Rust), Ethereum/EVM (Solidity), ,

Messaging: Telegram Bot API, Telegram libraries

Databases: PostgreSQL, MongoDB, Redis

Infrastructure: AWS, Docker, Kubernetes

Tooling: Git, RabbitMQ, Grafana, Hardhat, Anchor

What We Offer

  • Competitive salary plus blockchain-based performance incentives
  • Exposure to advanced multi-chain and messaging technologies
  • Opportunities to grow professionally in decentralized systems and real-time platforms
  • A collaborative, innovation-focused environment driven by experts

Ready to build the future of decentralized apps and messaging?
Apply today and join
Bigosoft's blockchain revolution
.

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