NodeJS (Node.js)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
Shubham Vishwakarma
Full Stack Developer - Averlon
About Rejolut
About
Rejolut is one of the award winning fastest growing emerging tech company which is working leading technology like Blockchian, ML & AI, Complex mobile & web apps, IoT etc.
We are a team that loves creativity and technology. We create products we are proud of. We fuse innovation with art to achieve Different, Intutive & Quality products.
Our Dogma: We don't make shit.
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 itself.
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 companies like Samsung, Purplle, Loylty Rewardz.
- Get mentored by the best in the industry
- Flexible working hours
- Perks best in the industry
- Flat structure, no hierarchy
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 tehnical innovations, there are very few better places
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PythonAbout Us
Alfred Capital - Alfred Capital is a next-generation on-chain proprietary quantitative trading technology provider, pioneering fully autonomous algorithmic systems that reshape trading and capital allocation in decentralized finance.
As a sister company of Deqode — a 400+ person blockchain innovation powerhouse — we operate at the cutting edge of quant research, distributed infrastructure, and high-frequency execution.
What We Build
- Alpha Discovery via On‑Chain Intelligence — Developing trading signals using blockchain data, CEX/DEX markets, and protocol mechanics.
- DeFi-Native Execution Agents — Automated systems that execute trades across decentralized platforms.
- ML-Augmented Infrastructure — Machine learning pipelines for real-time prediction, execution heuristics, and anomaly detection.
- High-Throughput Systems — Resilient, low-latency engines that operate 24/7 across EVM and non-EVM chains tuned for high-frequency trading (HFT) and real-time response
- Data-Driven MEV Analysis & Strategy — We analyze mempools, order flow, and validator behaviors to identify and capture MEV opportunities ethically—powering strategies that interact deeply with the mechanics of block production and inclusion.
Evaluation Process
- HR Discussion – A brief conversation to understand your motivation and alignment with the role.
- Initial Technical Interview – A quick round focused on fundamentals and problem-solving approach.
- Take-Home Assignment – Assesses research ability, learning agility, and structured thinking.
- Assignment Presentation – Deep-dive into your solution, design choices, and technical reasoning.
- Final Interview – A concluding round to explore your background, interests, and team fit in depth.
- Optional Interview – In specific cases, an additional round may be scheduled to clarify certain aspects or conduct further assessment before making a final decision.
Quantitative R&D Engineer
As a Quantitative R&D Engineer, you’ll explore data and design logic that becomes live trading strategies. You’ll bridge the gap between raw research and deployed, autonomous capital systems.
What You’ll Work On
- Analyze on-chain and market data to identify inefficiencies and behavioral patterns.
- Develop and prototype systematic trading strategies using statistical and ML-based techniques.
- Contribute to signal research, backtesting infrastructure, and strategy evaluation frameworks.
- Monitor and interpret DeFi protocol mechanics (AMMs, perps, lending markets) for alpha generation.
- Collaborate with engineers to turn research into production-grade, automated trading systems.
Ideal Traits
- Strong in data structures, algorithms, and core CS fundamentals.
- Proficiency in any programming language
- Understanding of probability, statistics, or ML concepts.
- Self-driven and comfortable with ambiguity, iteration, and fast learning cycles.
- Strong interest in markets, trading, or algorithmic systems.
Bonus Points For
- Experience with backtesting or feature engineering.
- Exposure to crypto primitives (AMMs, perps, mempools, etc.)
- Projects involving alpha signals, strategy testing, or DeFi bots.
- Participation in quant contests, hackathons, or open-source work.
What You’ll Gain:
- Cutting-Edge Tech Stack: You'll work on modern infrastructure and stay up to date with the latest trends in technology.
- Idea-Driven Culture: We welcome and encourage fresh ideas. Your input is valued, and you're empowered to make an impact from day one.
- Ownership & Autonomy: You’ll have end-to-end ownership of projects. We trust our team and give them the freedom to make meaningful decisions.
- Impact-Focused: Your work won’t be buried under bureaucracy. You’ll see it go live and make a difference in days, not quarters
What We Value:
- Craftsmanship over shortcuts: We appreciate engineers who take the time to understand the problem deeply and build durable solutions—not just quick fixes.
- Depth over haste: If you're the kind of person who enjoys going one level deeper to really "get" how something works, you'll thrive here.
- Invested mindset: We're looking for people who don't just punch tickets, but care about the long-term success of the systems they build.
- Curiosity with follow-through: We admire those who take the time to explore and validate new ideas, not just skim the surface.
Compensation:
- INR 6 - 12 LPA
- Performance Bonuses: Linked to contribution, delivery, and impact.
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
- 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
NodeJS (Node.js)
MongoDB1. Work closely with the Founders to plan and develop the architecture and engineering vision for the product.
2. Roll out and advocate for new engineering principles and processes while supporting, maintaining, and updating existing ones.
3. With the help of your team members, educate and execute on Software Engineering best practices for testing, deploying, and developing code.
4. Be ready to roll up sleeves to assist your team when there are most urgent, difficult or critical developments to produce
5. Drive the apt technology choices (e.g. languages, libraries, frameworks)
6. Layout the technology architecture for both immediate and long term growth
7. Take appropriate risks for technical debt to develop prototypes in a short timescale
*Leadership responsibilities*
1. Mentor and guide the professional and technical development of your team members.
2. Hire and build a Software development team
3. Represent the Technology progress on the company vision to the Board/CXOs
4. Participate with Core-team in making key Product and tech roadmap related decisions
*Experience*
1. You have 7+ years of relevant engineering work experience.
2. You have significant experience working on a SAAS-based platform.
3. You have experience architecting enterprise Blockcahin applications (Any Blockchain framework is fine but Hyperledger will be preferred)
4. You have a strong technical background and are able to contribute to design and development across the software product lifecycle
5. You are familiar with our tech stack (Hyperledger/Nodejs / ReactJs / PostgreSQL / AWS / Linux)
6. You are familiar with implementing organizational processes using tools like Jira / Git / Slack etc.
7. You've worked on large-scale SaaS products and can rapidly familiarize yourself with complex products.
8. You have a strong focus on metrics and know how to measure the health of engineering teams.
9. Strong organizational skills and a focus on developing processes support the long term growth of the product engineering group.
10. You have experience running Agile teams.
Min Exp – 4 years
Location – Dwarka, Delhi
Immediate joiners are preferred
About the company – We are a web development and digital marketing company in Delhi, India. We have been serving our clients globally since 2012. We offer quality assured and revenue driven digital services at affordable rate.
Role summary - We seek an experienced Web3 Developer to join our team and help us build and maintain our Ecosystem based on blockchain. Our platform is built using React for the front end, Node.js, TypeScript, MongoDB for the backend, and Solidity for smart contracts. Someone passionate about blockchain technology and with a strong understanding of the Web3 ecosystem.
Responsibilities:
1. Blockchain Solution Design:
- Collaborate with stakeholders to understand business requirements and identify areas where blockchain technology can add value.
- Design and architect blockchain solutions, including selecting appropriate blockchain platforms, consensus mechanisms, data structures, and smart contract frameworks.
- Develop technical specifications, system architectures, and integration strategies for blockchain-based applications.
- Ensure blockchain solutions align with industry best practices, security standards, and compliance requirements.
2. Blockchain Development:
- Lead the development and implementation of blockchain applications, smart contracts, and decentralized protocols.
- Design and implement APIs and integration points for seamless interaction between blockchain and existing enterprise systems.
- Conduct thorough testing and debugging to ensure blockchain solutions' performance, security, and reliability.
- Collaborate with development teams to define blockchain development coding standards and best practices.
3. Security and Privacy:
- Implement robust security measures, encryption techniques, and access controls to protect blockchain data and transactions.
- Address privacy concerns and design solutions that ensure the confidentiality of sensitive information while maintaining transparency.
- Stay up-to-date with the latest security vulnerabilities and recommend strategies to mitigate risks in blockchain implementations.
4. Scalability and Performance Optimization:
- Optimize blockchain solutions to enhance scalability, transaction throughput, and system performance.
- Evaluate and implement scaling solutions, such as sharding, sidechains, or layer 2 protocols, to address the limitations of blockchain platforms.
- Conduct load testing and performance tuning to identify bottlenecks and optimize resource utilization.
5. Blockchain Governance and Consensus:
- Define governance models and consensus mechanisms suitable for specific use cases and industry requirements.
- Assess and recommend appropriate consensus algorithms, such as Proof of Work (PoW), Proof of Stake (PoS), or Practical Byzantine Fault Tolerance (PBFT), based on the project's needs.
- Establish protocols for transaction validation, block verification, and network participation.
6. Research and Innovation:
- Stay updated with the latest advancements and emerging trends in blockchain technology.
- Conduct research and experimentation to explore the potential of new blockchain platforms, protocols, and tools.
- Evaluate and recommend third-party blockchain solutions, frameworks, and libraries to accelerate development processes.
7. Collaboration and Leadership:
- Collaborate with cross-functional teams, including developers, engineers, product managers, and business stakeholders, to align technical requirements with business goals.
- Provide technical guidance and mentorship to development teams regarding blockchain technologies, best practices, and coding standards.
- Act as a subject matter expert, delivering presentations and training sessions on blockchain concepts and solutions.
Qualifications and Skills:
- Bachelor's or Master's degree in Computer Science, Information Technology, or a related field.
- Extensive experience in blockchain development and architecture, with a deep understanding of blockchain concepts, protocols, and platforms (such as Ethereum, Hyperledger Fabric, Corda, etc.).
- Proficiency in programming languages commonly used in blockchain development, such as Solidity, Go, or Java.
- Strong knowledge of smart contracts, decentralized applications (DApps), and blockchain development frameworks.
- Familiarity with cryptographic principles, encryption algorithms, and security best practices in the context of blockchain.
- Experience with cloud platforms and infrastructure (such as AWS, Azure, or Google Cloud) for deploying and managing blockchain networks.
- Understanding of decentralized storage, identity management, and tokenization concepts.
- Excellent problem-solving and analytical skills, with the ability to architect complex and scalable blockchain solutions.
- Strong communication and leadership skills to collaborate effectively with multidisciplinary teams and drive successful project outcomes.
Technical Experience
- Solid understanding of and experience in BlockChain Development preferred
- 2+ years of Blockchain application development experience on platforms such as Ethereum, Hyperledger, BigchainDb, Multi-Chain.
- Experience in solution building on Blockchain technology.
- Experience on development tools such as Geth, Hyperledger Fabric/Sawtooth, Composer, Solidity Remix Functional
- Basic understanding of Web applications architecture and protocols.
- Any additional expertise with Python, containerization (Docker) and additional Cloud exposure also a huge plus
- Any previous integration expertise, Strong in Agile, Banking or Financial Service development expertise, as well as software development in a large Enterprise environment, also required Security Architecture / Cryptography
- Front-end development experience in HTML, CSS, JavaScript, ES6/TypeScript Angular, Node.js, ReactJS .
JavascriptJob 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
Follow CutshortShubham Vishwakarma
Full Stack Developer - Averlon