Bareja Gujarat Full stack developer (node.js & react.js) Jobs – 143 Open Jobs Today

Senior Blockchain Developer
Svitch Energy Pvt. Ltd. —Changodar, Ahmedabad, Gujarat
- ₹25,000 - ₹40,000 a month
- Full-time
- Azure
- AWS
- Analysis skills
- Paid time off
- Paid sick time
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Lead Engineer
Accumn —Ahmedabad, Gujarat
- Full-time
- Azure
- Computer Science
- DevOps

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Accumn —Ahmedabad, Gujarat
You will be responsible for developing high-quality, efficient, and scalable code that meets business requirements and design specifications.

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Senior Blockchain Developer

Svitch Energy Pvt. Ltd.
Changodar, Ahmedabad, Gujarat

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Job details

Permanent | Full-time
₹25,000 - ₹40,000 a month

Benefits

Provident Fund
Paid time off
Paid sick time

Qualifications

Asset management
CI/CD
Cloud infrastructure
Vulnerability assessment
Azure
Rust (programming language)
Go
Node.js
Auditing
Kubernetes
Encryption
Git
MongoDB
Microservices
AWS
Analysis skills
Docker
JavaScript
PostgreSQL
Distributed systems
Version control systems
Continuous integration
Redis
Back-end development
REST
GitHub
APIs
Jenkins
Communication skills
Python

Full job description

About the Role:

We are seeking a highly skilled Senior Blockchain Developer with strong expertise in digital assets, crypto trading systems, and custodial infrastructure. The ideal candidate will play a critical role in designing and building secure, scalable blockchain solutions, including wallet architecture, trading integrations, and asset management systems. This role also involves contributing to system architecture, security frameworks, and high-performance transaction processing.

Key Responsibilities & Technical Skills:

Design and develop blockchain-based applications for crypto trading platforms
Build and manage digital asset infrastructure, including wallets, transaction flows, and asset lifecycle management
Develop, test, and deploy secure smart contracts on networks such as Ethereum, BNB Chain, Polygon, or similar
Design and implement custodial and non-custodial wallet systems
Work on crypto custody solutions, including hot wallets, cold wallets, and multi-signature (multi-sig) setups
Ensure secure storage, transfer, and management of digital assets
Integrate blockchain components with trading engines, backend services, and APIs
Optimize transaction throughput, gas efficiency, and network performance
Implement robust security practices to prevent vulnerabilities, exploits, and fraud risks
Collaborate with backend, DevOps, security, and product teams for end-to-end delivery

Additional Responsibilities (Enhanced):

Architect scalable blockchain infrastructure and microservices-based systems
Implement monitoring, alerting, and logging for blockchain transactions and wallet operations
Conduct smart contract testing, auditing support, and vulnerability assessments
Develop automated tools for transaction tracking, reconciliation, and reporting
Contribute to protocol integrations (DEXs, DeFi platforms, liquidity pools)
Mentor junior developers and participate in code reviews and technical decision-making

Enhanced Tech Stack (Added):

Blockchain & Smart Contracts: Solidity, Rust, Vyper
Platforms: Ethereum, Polygon, BNB Chain, Avalanche, Layer 2 solutions (Arbitrum, Optimism)
Web3 Libraries: Web3.js, Ethers.js
Backend: Node.js, Python, Go
Databases: PostgreSQL, MongoDB, Redis
Security: MPC (Multi-Party Computation), HSM, Key Vaults, encryption protocols
DevOps & Tools: Docker, Kubernetes, CI/CD pipelines (GitHub Actions, Jenkins)
Cloud Platforms: AWS, Azure, GCP

Required Skills & Qualifications:

6+ years of experience in blockchain development
Strong experience with digital assets, crypto wallets, and custody solutions
Hands-on experience with custodian systems and secure asset management
Proficiency in Solidity, Rust, or Vyper for smart contract development
Experience with major blockchain networks (Ethereum, Polygon, BSC, etc.)
Strong understanding of private key management, MPC, and HSM-based security
Experience building wallet services, transaction systems, and blockchain integrations
Deep knowledge of cryptography, consensus mechanisms, and decentralized systems
Strong backend development experience (Node.js, Python, or Go)
Familiarity with REST APIs, microservices, and distributed systems
Proficiency with Git and version control systems

Preferred Qualifications (Enhanced):

Experience working with crypto exchanges, custodians, or fintech platforms
Knowledge of institutional-grade custody and compliance frameworks
Experience in smart contract auditing and blockchain security practices
Understanding of DeFi protocols, liquidity mechanisms, and trading systems
Familiarity with Layer 2 scaling solutions and cross-chain bridges
Exposure to real-time trading engines and order matching systems
Experience with cloud infrastructure and high-availability systems

Key Competencies:

Strong analytical and problem-solving skills
High attention to security and detail
Ability to work in a fast-paced, high-stakes environment
Strong collaboration and communication skills
Ownership mindset and accountability

Job Types: Full-time, Permanent

Pay: ₹25,000.00 - ₹40,000.00 per month

Benefits:

Paid sick time
Paid time off
Provident Fund

Work Location: In person

Quick apply

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