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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 :
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Strong software development background
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Experience working with large codebases
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Solidity, Web3.js, Ethereum, Truffle, Remix, Smart Contracts, Cryptography, Wallets, Blockchain Fundamentals, DeFi & Banking Domain
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Experience working with open-source projects
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Proficiency in one of the following languages: C++, Java, JavaScript
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Strong knowledge of common algorithms and data structures
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Familiarity with basic cryptography
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Familiarity with P2P networks
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Strong knowledge of bitcoin-like blockchains / Stable coins
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Strong knowledge of concurrency and writing efficient and safe multithreaded code
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Strong knowledge of STL, C++11
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Proficiency in the Qt Widgets module
Responsibilities :
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Research, design, develop, and test blockchain technologies
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Brainstorm and help evaluate applications for new tools and technologies as they continually evolve
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Maintain and extend current client- and server-side applications responsible for integration and business logic
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Be involved in the global blockchain community—work on implementing and integrating the latest improvement proposals
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Document new solutions as well as maintain of existing ones

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
Rejolut is one of the award winning fastest growing emerging tech company which is working on leading technology like Blockchian, ML & AI, Complex mobile & web apps, IoT etc.
The ideal candidate will be responsible for developing highly scalable and secure code.
Responsibilities:-
-Able to take the Extreme Ownership of modules/product/projects
-Able to learn & implement new technology/framework/library/networks at God Speed
-Able to come with optimal solution for the business problem
-Can handle calls with the client & customer to know their feedback
-Writing clean code & able to dig into other's code or open source code
-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
Desired Candidate Profile:-
- Setting up and configuring Full node clients for various Blockchains.
- In Depth understanding of atleast two blockchain network like Ethereum, Hedera Hashgraph, Tezos, Hyperledger, BlockApps, Algorand, Corda etc
- Working closely with DevOps to make blockchain infrastructure robust and scalable.
- Designing and writing well-structured APIs in Node.js to connect to Blockchain infrastructure.
- Develop and manage various applications to integrate Blockchain infrastructure into the main product.
- Staying up to date with new developments and news in integrated chains, like forks, main net launches, migration.
- Documenting architecture and guidelines.
- Always being on the lookout to enhance technology, by finding and making new tools, utilities, and libraries.
- Managing and enhancing a cutting edge tech stack, comprising of Node.js, ES2016/17 (Javascript), AWS, MongoDB, SQL
- Cross-team contribution whenever required.
- Familiarity with basic cryptography
- Familiarity with P2P networks
Culture
- Fast-paced, intellectually stimulating, steep learning, and growth
- Close-knit, hardworking, supportive colleagues
- Challenging work
- Flat organization with no hierarchy
- If you like problem solving, and love latest technology, there are very few better places
How we are different
-We are young and dynamic team who are obsessed with solving business problem at scale -We are a technology agnostic company who focus more on finding the optimal solution to business problem rather than technology
Why to join us
-We provide huge learning curve. Spending 1.5-2 years with us will put you 3 years ahead in the career
-We work only on cutting edge technology like React, React Native, Flutter, NodeJS, Python, Go, Svelte, ELM
-There are two technology Co-founder in the company who are pretty much hands-on and have earlier bult the Consumer application which is downloaded millions of time and are in leadership position in copanies like Samsung, Purplle, Loylty Rewardz
-Get mentored by the best in the industry
-Flexible working hours
-Perks best in the industry