BackEnd Developer

20 hours ago

Bengaluru, Karnataka, India SumCircle Technologies Private Limited Full time ₹ 1,20,000 - ₹ 1,80,000 per year

Job Title:
Backend Developer – ReactJS, Python, NodeJS, Blockchain

Experience:
3 to 8 years

Location:
Bangalore

Job Summary:

We are looking for a skilled and proactive
Backend Developer
with strong experience in
ReactJS, Python, NodeJS
, and a solid understanding of
blockchain technologies
. The ideal candidate will be responsible for building scalable backend systems and integrating them seamlessly with front-end components while also contributing to blockchain-based solutions.

Key Responsibilities:

  • Design, develop, and maintain backend services using
    NodeJS and Python
  • Collaborate with front-end developers and contribute to
    ReactJS
    codebase when required
  • Integrate blockchain protocols and smart contracts into backend systems
  • Ensure performance, security, and scalability of backend infrastructure
  • Develop and maintain APIs and data pipelines
  • Work with product, design, and DevOps teams to deliver high-quality software
  • Debug, test, and document backend applications and systems

Required Skills:

  • 3–8 years of hands-on experience in backend development
  • Proficiency in
    NodeJS
    ,
    Python
    , and
    ReactJS
  • Good understanding of
    RESTful APIs
    ,
    Microservices Architecture
    , and
    Database Design
    (SQL and NoSQL)
  • Experience in
    blockchain development
    (e.g., Ethereum, Solidity, ) is a must
  • Familiarity with
    smart contracts
    ,
    wallet integrations
    , and
    blockchain security
  • Knowledge of
    Git
    , CI/CD tools, and deployment practice

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