Blockchain Developer at Sarva Labs Inc · Bengaluru (Bangalore) · 1 - 7 years · ₹5L - ₹10L / yr · Bootstrapped · Posted 27 Apr 2018
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About Sarva Labs Inc
About
We at Sarvalabs bring personalization to open networks through full user ownership and complete control of all dimensions of their digital interactions. Sarvalabs is developing The World's First Protocol to bring personalization to Open Networks and enable an Internet for Value Transfer. MOI - MY OWN INTERNET.
MOI enables complete user ownership and control, empowers the New Internet of Value, introduces a new personalised multidimensional value structure for participants measured using TDU (Total Digital Utility), and Integrates context as a foundational computational dimension of p2p networks.
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Similar jobs (10)
Job Title : Full Stack Developer (Crypto Exchange)
Experience : 4+ Years
Location : Gurugram & Vadodara (On-site)
Role Overview :
We are looking for a Full Stack Developer with strong expertise in both backend and frontend development, along with exposure to crypto exchange systems or fintech platforms.
In this role, you will work on building high-performance, real-time trading applications, contributing to core systems like order execution, pricing engines, and wallet integrations.
Key Responsibilities :
- Design, develop, and maintain scalable backend services and APIs.
- Build and optimize responsive frontend applications for trading interfaces.
- Work on real-time systems such as order books, pricing engines, and trade execution.
- Integrate with blockchain networks, wallets, and third-party APIs.
- Ensure platform security, performance, and reliability.
- Collaborate with product, design, and DevOps teams for end-to-end delivery.
- Participate in system design, architecture discussions, and code reviews.
Required Skills & Qualifications :
- 4+ years of experience in Full Stack Development.
- Strong expertise in :
- Backend : Node.js and/or Python
- Frontend : React.js and/or Next.js
- Experience with REST APIs and microservices architecture.
- Strong understanding of databases (MongoDB, PostgreSQL, MySQL, etc.).
- Hands-on experience with Docker and cloud platforms (AWS preferred).
- Solid understanding of system design, scalability, and performance optimization.
Preferred (Good to Have) :
- Experience working with a crypto exchange or trading platform.
- Understanding of blockchain fundamentals (Ethereum, Bitcoin, etc.).
- Experience with wallet integrations and on-chain transactions.
- Familiarity with WebSockets and real-time data streaming.
- Knowledge of security best practices in fintech/crypto systems.
Why Join Us ?
- Opportunity to work on a high-impact, real-world crypto exchange.
- Build and scale systems from early-stage to production.
- Work in a fast-paced, ownership-driven environment.
- Exposure to cutting-edge blockchain and trading technologies.
Job Title: Senior Blockchain Developer
Job Description:
We are seeking a highly skilled Senior Blockchain Developer to join our team. The ideal candidate will have extensive experience in Ethereum, Bitcoin, Solana, and related technologies, with a strong focus on smart contracts and node setup. The candidate should be proficient in Solidity using tools like Hardhat or Foundry, as well as possess expertise in NodeJS. Experience with Rust, and Golang is considered a significant advantage.
Responsibilities:
- Develop and deploy smart contracts on Ethereum, Bitcoin, and Solana blockchains.
- Configure and maintain blockchain nodes for optimal performance.
- Collaborate with cross-functional teams to integrate blockchain solutions into existing systems.
- Write clean, efficient, and maintainable code in Solidity, NodeJS, and other relevant languages.
- Stay updated on the latest developments and trends in blockchain technology.
- Contribute to the design and architecture of blockchain-based applications.
Requirements:
- Bachelor's degree in Computer Science, Engineering, or related field.
- Minimum of 3 years of experience working with blockchain technologies.
- Proficiency in Ethereum, Bitcoin, and Solana blockchains.
- Strong understanding of smart contracts and their implementation.
- Experience with Solidity using Hardhat or Foundry.
- Solid knowledge of NodeJS.
- Familiarity with Rust, Golang, and Hyperledger is a plus.
- Excellent problem-solving and analytical skills.
- Ability to work both independently and collaboratively in a fast-paced environment.
- Strong communication and interpersonal skills.
If you possess the required skills and are passionate about blockchain technology, we encourage you to apply for this exciting opportunity.
Join us in shaping the future of decentralized applications and blockchain solutions.
We are looking for a highly capable Node.js developer to optimize our web-based application performance. You will be collaborating with our front-end application developers, designing back-end components, and integrating data storage and protection solutions.
To ensure success as a Node.js developer, you should possess extensive knowledge of Node.Js-based services and experience in a similar role. An accomplished Node.js developer will be someone whose expertise results in the stable, fast, and secure exchange of data between servers and end-users.
Node.js Developer Responsibilities:
- Developing and maintaining all server-side network components.
- Ensuring optimal performance of the central database and responsiveness to front-end requests.
- Collaborating with front-end developers on the integration of elements.
- Designing customer-facing UI and back-end services for various business processes.
- Developing high-performance applications by writing testable, reusable, and efficient code.
- Implementing effective security protocols, data protection measures, and storage solutions.
- Running diagnostic tests, repairing defects, and providing technical support.
- Documenting Node.js processes, including database schemas, as well as preparing reports.
- Recommending and implementing improvements to processes and technologies.
- Keeping informed of advancements in the field of Node.js development.
Node.js Developer Requirements:
- At least two years' experience as a Node.js developer.
- Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
- Knowledge of front-end technologies such as HTML5 and CSS3.
- Superb interpersonal, communication, and collaboration skills.
- Exceptional analytical and problem-solving aptitude.
- Great organizational and time management skills.
- Availability to resolve urgent web application issues outside of business hours.
Bachelor's or Master's degree in Computer Science, Information Systems,
or equivalent.
EXPERIENCE – 2 to 5 years
CTC - UPTO 5.4L P.A.
JOB DESCRIPTION
We are looking for a backend developer who will be responsible for designing,
implementing, and supporting a distributed blockchain-based network. Your primary
responsibility will be analysing requirements, designing Blockchain technology around
a certain business model, and the building and launching of a blockchain network. You
will be asked to work on various blockchain technologies like Ethereum (Layer 1 & 2,
i.e Binance Smart Chain ).
● Analytical, results-driven Back-end Developer who will work with team members
to troubleshoot and improve current back-end applications and processes.
Focused on building a better, more efficient program and creating a better
end-user experience.
● Work closely with Frontend developers to integrate new web features into
our application
● Strong understanding of the web development cycle and programming
techniques and tools.
● Strong communication and presentation skills
● Ability to work in a fast-paced environment.
SKILLSET
● Experience with Smart contract development tools
● Strong background in Javascript, Python & Node JS, SQL
● Build new features and products using modern backend tools (Node.js, Mongo,
SQL, GraphQL)
● Hands-on technical exposure in implementing Blockchain technologies
(Ethereum and Hyperledger Familiarity with Hyperledger Fabric and Solidity )
Understanding of Distributed Ledger technology, Blockchain ecosystem and
structure.
● Experience working in an Agile and DevOps environment.
● Knowledge on Mining, Hashing, Elliptic Curve Cryptography(ECC) and P2P
networking Extensive experience with progression of major projects from the
planning stage through to implementation and completion Effective
communicator to all stakeholders and management during project consulting
and analysis. Strong Software development background.
● Experience on Smart contract and Solidity, development tools for Ethereum
(testrpc, geth, Web3, eth_lightwallet, etc.
● Experience in writing smart contracts.
● Good understanding of NFTs and tokens.
● Experience in wallet integration like MetaMask and Coinbase Wallet.
Experience working with decentralized application protocols like DeFi..
Working knowledge of at least one of the Blockchain frameworks such
as Hyperledger Fabric, R3 Corda, Ethereum (Solidity).
● Experience working with large code-bases.
● Proficiency in one or more of the following languages: C++, Go, Solidity,
Rust, Node.js, React.js.
● Strong knowledge of Algorithms and Data Structures.
● Familiarity with Cryptography.
● Familiarity with P2P networks
● Strong knowledge of bitcoin-like blockchains.
● Strong knowledge of concurrency and writing efficient and safe multithreaded
code
● Familiarity with code versioning tools such as Git
> You need to have:
- An analytical mind with strong logical & reasoning ability
- Very good communication skills (verbal and written).
- Good application development skills.
- Strong debugging skills.
- Should have excellent coding/Programming skills
- A quick learning ability
Start your Journey with us for a high growth, flying career!
> We at Deqode
- Have flexible 5 working days
- Work on bleeding edge technologies (Blockchain/ AI/ Deep learning/ RL/ Quantum computing).
- Have desirable Perks.
- Have the best Financial Pay scale in the industry.
- Practice Democracy of thoughts.
- Believe in working hard and party harder.
Join us and be a part of a team that breathes technology.
Technology Stack - Mean stack/Mern Stack, Full stack, React.js, React Native, Nodejs, ROR, Angular, Python, Blockchain, AI/ ML.
> We are looking for candidates who have a thirst for gaining knowledge, are passionate about coding :) Kindly revert back with your updated CV.
Job requirements
- A strong engineer with excellent Ruby experience working with Ruby on Rails
- Experience with Node.js
- Experience with SQL/nosql databases(Postgresql, cassandra, MongoDB)
- Experience with REST services and API design
- Experience with building the system for scale
- Experience with version control systems (bitbucket, git etc.)
- Experience working with AWS
- Experience with docker/microservices will be an added advantage
- Knowledge of unit & integration testing
- Knowledge of agile development process, jira
- Strong knowledge of algorithms and Data structures
- Basic understanding of the HTTP protocol
- Demonstrated experience working on application development projects and test-driven development. Experience in writing high quality code
- Knowledge of blockchain technology, smart contracts and cryptocurrency will be an added advantage
- Experience in fintech domain will be another added advantage
- Bachelor’s degree in computer programming, computer science, or a related field.
- Fluency or understanding of specific languages, such as Java, PHP, or Python, and operating systems may be required.
- 3+ years of experience with Ruby On Rails.
- Strong Project & Time Management Skills, along with the ability to apply these skills while working independently, or as part of a team.
- 0-3 application development experience in solution building on Blockchain technology.
- Solid understanding of and experience in blockchain / distributed ledger technologies familiarity with platforms, such as Ethereum and Hyperledger.
- Any additional expertise with Python, containerization (Docker) and additional Cloud exposure also a huge plus
- Security Architecture / Cryptography is a plus.
- Any additional expertise with Python, containerization (Docker) and additional Cloud exposure also a huge plus.
- Experience on development tools such as Hyperledger Fabric/Sawtooth,Geth , Composer, Solidity Remix Functional
- Basic understanding of Web applications architecture and protocols.










