Lead Solidity Developer

Job Title : Lead Blockchain Developer

Experience : 5+ Years

Location : Indore (WFO/Remote)

Employment Type : Contractual

Job Summary :

We’re seeking a Lead Blockchain Developer with 5+ Years of experience in building scalable, decentralized applications. The ideal candidate has expertise in Rust, Golang, Solidity, and Node.js, with hands-on experience in Geth, Docker, and blockchain infrastructure.

Mandatory Skills : Rust, Golang, Solidity, Node.js, Geth, Docker, Ethereum architecture, Smart Contracts, Blockchain Protocols.

Key Responsibilities :

• Design and develop core blockchain protocols and infrastructure.
• Build and deploy secure smart contracts using Solidity.
• Develop tools/services for Ethereum and related networks.
• Work on performant node-level development using Rust and Golang.
• Build APIs and backend services in Node.js.
• Manage containerized environments using Docker.
• Collaborate on system architecture and conduct code reviews.
• Stay updated on blockchain trends and implement best practices.

Key Requirements :

• Strong skills in Rust, Golang, Solidity, Node.js.
• Deep understanding of Ethereum, Geth, and blockchain concepts.
• Experience with Docker, API development, and smart contract security.
• Knowledge of consensus algorithms, cryptography, and performance tuning.
• Familiarity with CI/CD pipelines and DevOps tools is a plus.

Preferred Qualifications :

• Bachelor's/Master’s in CS or related field.
• Prior contributions to open-source or Web3 projects.

We need a product-focused engineer who can turn complex finance workflows into Web3 reality. If you speak Solidity + React/Node and have shipped on Ethereum, Polygon, Avalanche, Solana, let’s talk.

What you’ll build:

• Smart-contract & token logic (ERC-20/721/1155/1400)

• Wallet & custody flows (mint, burn, freeze, transfer)

• Scalable full-stack apps (React / Next.js / Node.js)

• Secure, compliant pipelines for RWA tokenization

Must-have (no-go if missing):

• 3–7 yrs software dev (≥ 2 yrs blockchain)
• Deep Solidity; Rust/Golang a plus
• Multi-chain deployment know-how (EVM + Avalanche/Solana)
• Experience with multi-sig wallets, MPC, or HSM integrations
• Hands-on with wallets, custody, or financial-services DApps

Nice to have (bonus points):

• Exposure to regulated environments (regulated token offerings, custody tech)
• Familiarity with custodial & non-custodial wallet frameworks

Why us?

• Ship infrastructure redefining capital markets

• Work with domain experts in both finance and blockchain

• Competitive salary + ESOPs

Responsibilities:

·      Search, design, develop, and test blockchain technologies.

·      Brainstorm and help evaluate applications for new tools and

technologies as they continually evolve.

·      Maintain and extend current client- and server-side applications

responsible for integration and business logic

·      Be involved in the global blockchain community—work on

implementing and integrating the latest improvement proposals.

·  Document new solutions as well as maintain that of existing ones. 

Requirements:

·      Total 3 Years of experience required,Ethereum, Blockchain

·      Knowledge in any one of the programming languages: NodeJS,

Java, GoLang,C, C++,PHP

·      Basic understanding of blockchain technology: Bitcoin, Smart

Contracts, Solidity, Cryptography

·Knowledge in private blockchains such as Hyper Ledger, Corda is

a plus

· Basic understanding of HTML, CSS, JS, Bootstrap and knowledge

in front-end technologies such as Angular/ React/ Vue is a plus.

·      Knowledge in databases and database modelling: MySQL,

PostgreSQL, MongoDB

·      Understanding of Software Development Lifecycle (SDLC)

·      Experience using Git for version control

We are looking for a blockchain developer who will be responsible for designing, implementing, and supporting a distributed blockchain-based network. Primary responsibility will be analyzing requirements, designing blockchain technology around a certain business model, and building and launching a blockchain network.

Essential Skills :

• Strong software development background

• Experience working with large codebases

• Solidity, Web3.js, Ethereum, Truffle, Remix, Smart Contracts, Cryptography, Wallets, Blockchain Fundamentals, DeFi & Banking Domain

• Experience working with open-source projects

• Proficiency in one of the following languages: C++, Java, JavaScript 

• Strong knowledge of common algorithms and data structures

• Familiarity with basic cryptography

• Familiarity with P2P networks

• Strong knowledge of bitcoin-like blockchains / Stable coins

• Strong knowledge of concurrency and writing efficient and safe multithreaded code

• Strong knowledge of STL, C++11 

• Proficiency in the Qt Widgets module 

Responsibilities :

• Research, design, develop, and test blockchain technologies

• Brainstorm and help evaluate applications for new tools and technologies as they continually evolve

• Maintain and extend current client- and server-side applications responsible for integration and business logic

• Be involved in the global blockchain community—work on implementing and integrating the latest improvement proposals

• Document new solutions as well as maintain of existing ones

Requirements

Responsibilities

Hiring Process

Are you passionate in coding, art and blockchain? Do you wish to face challenges ahead, develop and deliver features that will be extraordinary towards users? We are looking for experienced developers (blockchain, frontend, backend) to join our team and start a revolution!

About the role as a full stack engineer at Torum, you will be remotely working alongside our core development team from India, Turkey, Malaysia and other regions in the future. A good mindset of forward planning should be cultivated to better your performance!

You will also get involved in constant discussions with our Lead Developer and Operational team members regarding the ideas, concepts as well as feature specifications to further enhance our platform.

Key Responsibilities & Scope

• Delivering well tested, high quality software
• High scalability and flexibility solutions using micro services
• Work well in teams (bonus points if able to lead)
• Qualifications & experience

Highly Favored Experience

• Experience with Solidity
• Web3 JS experience
• Good software engineering skills, insights, and experience
• Good knowledge of cryptography
• Important: Ability to communicate (orally and verbally) well with the team in English
• Experience in building large-scale apps like Social Media, E-commerce, etc. where performance, scalability, and availability are the top priorities

Qualifications and Experience location GMT+8 or GMT+5:30

• Ability to work remotely or on-site (if Malaysia)
• More than 3 years of experience with writing Solidity smart contract (a) more than 2 years of experience with React JS and Web3 JS OR (b) more than 3 years of experience in Node JS and MongoDB
• Acting as the Senior or Lead position in the team, and built at least one or more commercialized Decentralized Applications (Dapps), such as NFT marketplace, DeFi platform, GameFi or any other relevant applications that solved the industry need
• Passion for best design, developing and coding practices
• Maximizing application performance, uptime, and scalability, maintaining high standards of code quality and thoughtful application design
• Excellent debugging and optimization skills
• Unit/integration testing experience
• Passionate and having good knowledge about Cryptocurrency / DeFi / NFT / GameFi industry is a huge bonus
• Hands-on experience on Layer 0 or 1 or 2 blockchain infrastructure (Preferably EVM-based public chain) is a huge bonus

At Olegacy, we build applications connecting people to Web3. Our office is in Bengaluru and Dubai. We are expanding to our Dubai office and would love to invite all individuals who are passionate about the blockchain space to apply. We are currently seeking a Blockchain Engineer to help develop and build a decentralized finance application. The ideal candidate is a self-inspired individual who is passionate about blockchain technologies and disrupting current potential financial norm.

Responsibilities

• Work with the team to achieve product update milestones within the set time frames
• Design, develop, program, test, debug and maintain smart contracts code for a decentralized application
• Apply the latest cryptography techniques to protect digital transaction data against cyberattacks and information hacks

• Evaluate scalability, security, performance and gas optimization of the decentralized application
• Collaborate with the team on API design
• Collaborate with the team on planning and implementing frictionless user experiences

Qualifications

• Bachelor's / Master's degree in Computer Science
• Strong proficiency in Cryptography
• Strong proficiency in smart contracts written in Solidity
• Strong proficiency in JavaScript, NODE.js and C++
• Experience with blockchain technology​
• Bonus: Understanding of the intricacies of iOS and Android
• Bonus: Experience developing NFTs on Ethereum

Soft Skills

• Team Player
• Strong English language communication skills
• Self-starter
• Enjoys working in a fast-paced start-up culture
• Growth mindset

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).