- Proficient in Solidity programming language
- Experience with wallet integrations
- Experience with ethers.js/web3.js
- Experience with Nodejs
- Experience with upgradable contracts, dynamic contracts, and factory contracts
- Design and develop smart contracts and decentralized applications on Ethereum, Polygon and Tron
- Excellent knowledge of various token standards like ERC20, ERC721 and ERC1155
- Write end-to-end unit tests for all smart contracts

About RadicalStart Infolab Private Limted
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Role Overview
We're seeking a MERN Stack Developer with experience in Web3 development to join our team. The ideal candidate will be comfortable building full-stack applications, integrating smart contracts, and working in a fast-paced startup environment.
Responsibilities
- Develop and maintain full-stack applications using MongoDB, Express.js, React.js, and Node.js
- Integrate smart contracts and blockchain functionality using Web3.js, Ethers.js, or similar libraries
- Collaborate with product managers, designers, and blockchain engineers
- Write clean, maintainable, and testable code
- Troubleshoot and debug applications
- Stay updated with the latest Web3 trends and technologies
Requirements
- 1+ year of hands-on experience with the MERN stack
- Basic to intermediate knowledge of smart contracts, Ethereum, and Web3.js/Ethers.js
- Familiarity with Solidity and Ethereum development tools (e.g., Truffle, Hardhat)
- Understanding of REST APIs and integration practices
- Strong problem-solving skills and a proactive attitude
- Good communication and collaboration skills
Bonus Skills
- Experience with IPFS, The Graph, or Layer 2 solutions
- Contributions to open-source Web3 projects
- Knowledge of NFT standards or DeFi protocols
What We Offer
- Competitive salary and performance-based incentives
- Flexible working hours and remote-friendly culture
- Opportunity to work on cutting-edge Web3 projects
- A collaborative, supportive, and innovative environment

Be the brain behind a real based tokens project where real liquidity powers P2P trading.
We build next-gen blockchain tokens (ERC20/BEP20/TRC20) that are instantly transferable P2P, divisible, tradable on escrow systems, and backed by real liquidity.
Who We’re Looking For:
IIT graduates preferred with strong Blockchain + DeFi expertise
Solidity + Web3.js / Ethers.js expert
Experienced in tokenomics, stablecoins, AMMs, liquidity pools & P2P escrow
Ability to mint max tokens with minimal liquidity investment while keeping price stable
Key Responsibilities:
Deploy secure ERC20/BEP20/TRC20 tokens
Design liquidity-backed tokenomics
Optimize capital efficiency & AMM strategies
Build P2P escrow smart contracts
Maintain stable token price peg across exchanges
Requirements
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Work experience in Web3 companies
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Skills in Solidity and EVM compatible chains
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Deep understanding of Web3 infrastructure
Responsibilities
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Creating application features and interfaces by using programming languages and writing multithreaded codes.
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Applying the latest cryptology techniques to protect digital transaction data against cyberattacks and information hacks.
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Maintaining client and server-side applications.
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Optimizing and securing blockchain applications by integrating new tools and technologies.
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Development on EVM Compatible Blockchains.
Hiring Process
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Application Review
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Introductory Interview
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Assessment Task
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Technical Interview
-
Offer Letter
ideated and built innovative web2 variants of games like Ludo, Snakes and Ladders,
Carrom, and more. We are now stepping into web3 space as we have figured out
exciting ways to make our games even more engaging by combining both of these
worlds together. We are looking to expand our team with energetic, self-motivated
people who are enthusiastic about web3, willing to learn, experiment and do what it
takes to make things happen. We are scouting for Blockchain Developers having
hands-on experience in Ethereum and sidechains like Polygon. You will be
responsible for designing, implementing, and supporting our blockchain based
Dapps.
Roles and Responsibilities :
● Analysing requirements, designing and implementing smart contracts around
a certain business model, as well as building & launching a new token
● Lead the technical design and implement web3 product roadmap
Must have:
● 1 to 3 years of experience in developing on Ethereum and Ethereum Layer2
networks and deployment of smart contracts on sidechains like Polygon
● Experience to write gas-optimized solidity smart contracts with provided
business logic
● Experience on Ethereum development frameworks such as Truffle, Hardhat,
and Ganache local blockchain
● Experience on token standards such as ERC20, ERC721, ERC1155, and
ERC777, etc.
● Good understanding of Blockchain platforms and consensus protocols
● Good experience with nodejs, mongodb, mysql, kafka, redis and GIT
● Strong software development background
● Experience working with large codebases
Good to have:
● Conceptual understanding of ICO, IEO, IDO, and STO
● Understanding of Defi tokens, launchpads, and automated market makers
(AAMs) such as Uniswap, Sushiswap, and Pancakeswap, etc.
● Good understanding of liquidity provisioning, token staking, and market
analysis.
● Experience with Docker and Kubernete
Job descriptio
Roles and Responsibilities
- Enable secure digital transactions by creating systems to record and store blockchain data in a way that prevents changes or hacks.
- Design secure blockchain technologies, develop application features and interfaces, and maintain client and server-side applications.
- Research, design, develop, and test blockchain technologies
- Maintain and extend current client- and server-side applications responsible for integration and business logic
- Develop high-quality software for Ethereum or Hyperledger in Go, Python, Solidity, and JavaScript
- Utilizing cryptography techniques to protect against hackers and other cyber-attacks
- Developing application functionality using various coding languages
Preferred Candidate
- Deep understanding of crypto-economics
- 1-4 years of Experience in Blockchain and distributed ledger technologies and development
- Proficient in RDBMS, NodeJS, C++, NoSQL, JavaScript, Java, algorithms, data structures, and distributed databases
- Familiar with cryptographic principles
- Experience of Blockchain architecture, standards/protocols, and private keys
- Experienced in developing in AWS, Azure, or any other cloud space
Our client uses protected methodologies to invert valuation of novel cryptographic assets during private DLT secured, varied contractual based, real-world exchange. It offers access to over 30 unique digital tools and solutions. With both Business-to-Business (B2B), and Direct-To-Consumer (DTC) models active, the company is a Blockchain, Software, Platform and Security as-a-service solution (B/S/P/SaaS).
The company has clients from all over the world and is boosting the independent economy by empowering members with private digital ownership of IP. Headquartered in the UK, the company has its offices in Hong Kong, USA, Thailand and India.
What you will do:
- Working with various departments to coordinate and develop digital CRM solutions including bespoke in-house software
- Writing clean, manageable code and maintaining proper documentation
- Writing smart contract integration in JS using web3 like libraries
What you need to have:
- Minimum 2 years of hands-on experience with Solidity and Ethereum like Blockchains
- Experience in deploying smart contracts
- Experience in MEAN stack
- Understanding of blockchain concepts
- Experience with distributed storage is plus
- Ability to work within the team and independently
- Strong organizational, time management and analytical skills
ROLES & RESPONSIBILITIES:
- Responsible for Blockchain evaluation, smart contract development, implementation supporting the digital strategy group initiatives.
- Must have hands-on experience using Solidity.
- Experience in setting up Blockchain nodes and networks.
- Design and develop the architecture of Blockchain Solutions from a systemic standpoint.
- Responsible for creating technical solution architecture for a given business problem.
- Responsible for quality of the application and implements necessary checks and balances via peer review, code scans, automated tests.
- Set the standards for design and development.
- Oversees, maintains,s and supports existing software applications.
- Provide subject matter expertise in reviewing, analyzing, and resolving complex issues.
- Prepare user and systems documentation as needed.
- Design & implement Blockchain solutions which may run on Blockchain platforms and composed of multiple software packages based on Solution Architect.
- Lead a team of Blockchain juniors/trainees.
- Work with product managers and other product teams.
- Well versed in using GitHub.
- Should be flexible to explore different blockchains be it Ethereum, Ripple, Tron, AVA, Multichain, etc
Responsibilities:
- Quickly test & evaluate the hyperledger Besu vs GoQuorum to arrive at the best platform which fits our use-case
- Focus on core-blockchain infrastructure as viewed through the privacy aspects, scalability & deployment challenges in the real world
- Designing, coding, testing as well as deployment, documentation & support
- Solve interesting technical & business challenges
- Collaborate with our mobile/web team to integrate & promote best practices
We are a Quantitative Trading firm building proprietary trading products and infrastructure for crypto markets (both DeFi and CeFi). We are focusing heavily on building up our DeFi capabilities and are looking for a hungry DeFi native engineer to help us conceptualize and build our DeFi strategies and infrastructure.
We are a high-output research team of 5 from a variety of backgrounds, spanning from Machine Learning and System Engineering, all the way to fintech and business.
We build products for both internal and external use to uncover alpha opportunities in different areas of crypto markets, including trading both on centralized and decentralized exchanges (DeFi) and building systems to streamline order execution, gather and digest complex timeseries data streams.
We are looking for a DeFi Software Engineer who has a deep understanding of blockchain and is curious about algorithmic trading. You should be excited about making sense of large quantities of data, and decision modelling on time series, real-time data.
Responsibilities
- Designing, building and testing smart contracts and related infrastructure
- Researching new DeFi protocols and its connectors and building on them
- Building real-time monitoring tools and working with our team on latency-sensitive operations
- Ethereum Node Infrastructure setup and maintenance
- Work with the team on devising new trading strategies and uncovering opportunities
Qualifications
- Deep technical and practical understanding of DeFi protocols and DevOps practices for interfacing with them (both Ethereum and any other relevant one) - Must have extensive knowledge of Solidity, smart contract development (web3js or ethersjs) and testing.
- Knowledge of Javascript (knowledge of Golang/Python programming is nice to have).
- Must be comfortable working with either hardhat or truffle.
- Comfortable working in a dynamic, research-oriented team with several ongoing concurrent projects
- You look forward to working with an interdisciplinary team that longs to find solutions together.
- Knowledge of trading isn't required but interest in the field is paramount. If you are a self-taught wiz who has tried its hands at DeFi trading and AMM, even better!
The number of years of experience does not matter as long as you have built complex projects from scratch, a burning desire to learn more, constantly improve yourself and solving tricky problems on a daily basis. We're a small team so you can assure yourself that whatever you contribute - in terms of an engineer, or otherwise - is always heard and discussed.
Benefits
- Competitive salary and performance-based bonuses
- A young startup work environment, where your initiatives and ideas count and are rewarded
- A unique open research environment, where everybody contributes and sees the full spectrum of our work, from inception to production
- The chance to shape our firm's legacy and exchange knowledge with the team on every part of what we do.
The role location is preferably Hyderabad with to be able to brainstorm in person with the R&D team, but remote in India is also possible.
Please share github profiles and details of previous projects worked on (both commercial and personal).
- Writing and Understand smart contracts using Solidity
- Write backend APIs using Next JS, Node JS
- Experience is cross chain development, block chain oracles, multi sig is desirable
- Thorough understanding of block chain components.
- Thorugh understanding of IDO process, Swapping protocols, Tokenomics
- Understanding of Docker, Kubernetes , Cloud technologies like AWS , GCP is highly desirable.









