
We are looking for a Blockchain Developer who has around 2-3 years of experience, and has past experience with working on blockchain-based systems and scenarios. The ideal candidate would be someone who understands the concepts of Blockchain technology and having working experience on Rust and Solana.
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Desire to work in a startup environment, fun@work culture and able to self-manage.
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In Depth understanding of at-least two blockchain network like Rust, Substrate, Polkadot Solana, Hedera Hashgraph, Tezos, BlockApps, Algorand, Corda, Lambda, Cargo etc
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Familiarity with basic cryptography to understand the essentials of blockchain systems.
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Hands on in Rust
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Designing and writing well-structured APIs in Node.js and MongoDb to connect to Blockchain infrastructure
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Staying up to date with new developments and news in integrated chains.
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Past experience with Wallets or Crypto Exchanges would be a major plus.
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Experience with third-party libraries and APIs.
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Experience working in an agile development process.
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Documenting architecture and guidelines.
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Be proficient in using version control and continuous integration, with tools such as Gitlab, Git and Jenkins.
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Write clear, maintainable and testable code that you are proud of.
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Attend training and education where necessary to up-skill themselves.
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Experience in writing smart contracts for large-scale production blockchain applications.
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Cross-team contribution whenever required.
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Familiarity with basic cryptography.
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Should have a deep understanding of the blockchain and cryptocurrency space and smart contract systems, specifically having a deep understanding of Rust.

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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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.
About 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.
Job Description : Blockchain Data & ML Engineer
As a Blockchain Data & ML Engineer, you’ll work on ingesting and modelling on-chain behaviour, building scalable data pipelines, and designing systems that support intelligent, autonomous market interaction.
What You’ll Work On
- Build and maintain ETL pipelines for ingesting and processing blockchain data.
- Assist in designing, training, and validating machine learning models for prediction and anomaly detection.
- Evaluate model performance, tune hyperparameters, and document experimental results.
- Develop monitoring tools to track model accuracy, data drift, and system health.
- Collaborate with infrastructure and execution teams to integrate ML components into production systems.
- Design and maintain databases and storage systems to efficiently manage large-scale datasets.
Ideal Traits
- Strong in data structures, algorithms, and core CS fundamentals.
- Proficiency in any programming language
- Familiarity with backend systems, APIs, and database design, along with a basic understanding of machine learning and blockchain fundamentals.
- Curiosity about how blockchain systems and crypto markets work under the hood.
- Self-motivated, eager to experiment and learn in a dynamic environment.
Bonus Points For
- Hands-on experience with pandas, numpy, scikit-learn, or PyTorch.
- Side projects involving automated ML workflows, ETL pipelines, or crypto protocols.
- Participation in hackathons or open-source contributions.
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.
Job Title: Blockchain Developer
Company: Interakt Techsol Pvt Ltd
Location: [Hyderabad]
Job Type: Full-time
Experience: 3-5 yearsAbout Us:
Interakt Techsol Pvt Ltd is at the forefront of cutting-edge blockchain technology, driving innovation in decentralized finance and web3 applications. We are committed to building robust, scalable, and secure solutions that revolutionize the way businesses operate. Join our team of passionate developers and contribute to the future of blockchain technology.Job Description:
We are looking for an experienced Blockchain Developer to join our dynamic team. The ideal candidate will have a strong background in blockchain technologies, specifically in Solana, Cosmos SDK, Rust language and Anchor Framework. You will be responsible for developing and maintaining decentralized exchange (DEX) platforms, ensuring the highest standards of security, performance, and reliability.Key Responsibilities:
- Develop and maintain blockchain-based applications using Solana, Cosmos SDK, Rust language and Anchor Framework.
- Design and implement decentralized exchange (DEX) platforms with a focus on scalability and security.
- Collaborate with cross-functional teams to define, design, and deliver new features.
- Write clean, maintainable, and efficient code.
- Conduct thorough testing and debugging of blockchain applications.
- Stay up-to-date with the latest developments in blockchain technology and integrate them into projects.
- Participate in code reviews and provide constructive feedback to peers.
- Ensure the performance, quality, and responsiveness of applications.
Required Skills and Qualifications:
- Minimum 3 years of experience in Solana, Smart contract development using Rust. (5 years of experience is preferable ).
- Proficiency in Solana web3, Cosmos SDK, Rust language and Anchor Framework.
- Proven experience in developing and deploying decentralized exchange (DEX) platforms.
- Strong understanding of blockchain principles, consensus algorithms, and cryptographic techniques.
- Strong Knowledge and Dev experience in Solana Famous Dexs(Jupiter, Raydium, Orca, Meteora) and Liquidity, Staking system.
- Experience with smart contract development and deployment.
- Familiarity with front-end and back-end development.
- Excellent problem-solving skills and attention to detail.
- Ability to work independently and as part of a team.
- Strong communication skills and the ability to explain complex technical concepts to non-technical stakeholders.
Responsibilities:
- Collaborate with stakeholders to understand business objectives, processes, and requirements.
- Conduct thorough analysis of business processes, workflows, and systems to identify areas for improvement.
- Gather, document, and prioritize business requirements using techniques such as interviews, workshops, and surveys.
- Analyze data to identify trends, patterns, and insights that can inform decision-making and drive business outcomes.
- Develop and maintain documentation, including business process models, use cases, user stories, and requirements specifications.
- Work closely with cross-functional teams to ensure alignment between business needs and technical solutions.
- Facilitate meetings, workshops, and presentations to communicate findings, solicit feedback, and drive consensus among stakeholders.
- Collaborate with developers, designers, and QA analysts to ensure successful implementation and testing of solutions.
- Monitor and evaluate the performance of implemented solutions, and recommend adjustments or enhancements as needed.
- Stay updated on industry trends, best practices, and emerging technologies related to business analysis and process improvement.
Requirements:
- Bachelor's degree in Business Administration, Management Information Systems, or related field.
- Proven experience as a Business Analyst or similar role.
- Strong analytical skills, with the ability to gather and interpret data from multiple sources.
- Proficiency in business analysis techniques, such as process modeling, data analysis, and requirements elicitation.
- Excellent communication skills, including the ability to effectively communicate technical concepts to non-technical stakeholders.
- Solid understanding of project management principles and methodologies.
- Experience with business analysis tools and software (e.g., Microsoft Visio, Jira, Confluence) is a plus.
- Ability to work independently and collaboratively in a fast-paced environment.
- Strong organizational skills and attention to detail.
- Certification in business analysis (e.g., CBAP, PMI-PBA) is preferred but not required.
Designation - Blockchain developers
Work Mode :- Remote
Qualifications and Experience:
- The Blockchain developer will be responsible for designing, developing and implementing blockchain solutions.
- Candidates must be from Bachelor of Engineering Background.Freshers do not apply
- Minimum 3-5 years of hands on Experience in Blockchain,solidity,RUST,IDO and Token launches is mandatory.
- We are looking Candidates should who can join us immediately or 15 days
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.

We are looking for a Blockchain Developer with a focus on scaling best
practices, reducing engineer toil, and ensuring reliability and stability of the NST Blockchain Platform. This engineer will also work with all engineers to understand pain points and find a balance in the “now” vs the “future”, while also proposing foundational Blockchain. This individual will need to take into consideration performance, reliability, stability, and developer happiness to ensure that we are providing a world-class community-building experience for our internal team, external contributors, creators, and users.
Priorities can change in a fast-paced environment like ours, so this role
includes, but is not limited to the following:
1. At least 3+ years of work experience in blockchain related projects
(preferably enterprise blockchain)
2. Good knowledge in Hyperledger Fabric related projects.
3. Knowledge of Data Structures is preferred.
4. Good with either one of the programming languages: JavaScript or Golang
(preferably Golang)
5. Experience working with some DevOps tools like docker, docker-compose,
ansible. (Knowledge of Kubernetes is even better)
6. Experience working with both SQL & NoSQL Databases, DB Migration,
Disaster Recovery.
7. Should be able to manage a small team, in terms of work management,
coding sessions, code review.
8. Good communications skills.
9. Additional certification in either Hyperledger or Kubernetes is preferred.
We are looking for someone to join our growing team, you will be involved using Rust. Additionally, you will be building tools for our blockchain users such as RESTful API.Debugging/fixing issues within our codebase.
The ideal candidate will be responsible for conceptualizing and executing clear, quality code to develop the best software. You will test your code, identify errors, and iterate to ensure quality code. You will also support our customers and partners by troubleshooting any of their software issues.
Responsiblities:
Rust (5+ years)
Software Engineering experience, Python, JAVA, REACT etc.
Hands on experience with tooling related to Rust (build systems, package managers, unit testing, CI pipelines)
Ability to develop software, implement mission-critical features, and navigate through a large codebase
Experience with code review process and ability to conduct them
Strong ability work in a team environment
Fluency in Git and Github
Ability to follow Agile development process
Attention to detail and ability to producing production-level code
Active approach to work, taking initiative to define and complete tasks
Critical Thinking and Problem Solving skills, ability to work independently
Highly detail-oriented mindset and willingness to learn
Ability to communicate in English (spoken & written)
Understanding compilers and virtual machines
Basic understanding of blockchains and Ethereum
Knowledge of Solana and/or Cardano
Detect and troubleshoot software issues
Write clear quality code for software and applications and perform test reviews
Develop, implement, and test APIs
Provide input on software development projects
Qualifications
- Comfort using programming languages and relational databases
- Strong debugging and troubleshooting skills
Timeswap Labs is building the first fully decentralized money market protocol within the DeFi ecosystem. We are solving one of the hardest problems in DeFi of building trust less & permissionless money markets without using any external Oracle.
Timeswap uses a proprietary AMM for price discovery of interest rates & collateralization ratio without using an external Oracle. Timeswap enables debt financing for long tail assets just like Uniswap enabled equity financing for long tail assets. Timeswap is backed by founders of a multi-billion-dollar crypto protocol, top tier VC funds from Silicon Valley & Singapore and by prominent Angel Investors in the web 3.0 ecosystem.
Role: Senior Smart Contract Developer (Full Time)
We are hiring a full time Senior Smart Contract developer with demonstrated experience in deploying smart contracts on Ethereum mainnet and other EVM compatible blockchains. The developer will work closely with our Founder and other smart contract engineers in the team.
Must Have:
• Minimum 3-4 yrs full time work experience in developing & deploying smart contracts in a verified Decentralised protocol
• Minimum 3-4 years experience on working with NodeJS
• Verifiable previous experience deploying smart contracts on Ethereum mainnet with code references
• Strong experience with the EVM and writing high-quality, well-tested Solidity code
• Basic understanding of DeFi applications & mechanism design with security first approach
• Familiarity with common smart contract frameworks (e.g. Hardhat / Brownie / OpenZeppelin) and security practises
Good to have:
• Prior experience deploying any DeFi application
• Familiarity with GraphQL
• Familiarity with web3.js / ethers.js / Typescript / ELM / Alchemy or similar RPC Providers
• Familiarity in writing property-based tests for smart contracts
• Developing SDK/Developer utilities
How to Apply:
• Share your CV with previous code references (GitHub)
• Briefly describe your prior experience and how that will help in the aforementioned role .
Work Location: Hyderabad - Begumpet
Exp: 3 - 5 Years
Notice Period: 0 -15 Days
Roles & Responsibilites:
1. Understand client requirements of building Ethereum, Bitcoin, Tron, or others.
2. Write smart contracts with a strong focus on security aspects
3. Create token and Write unit test cases for the smart contracts to ensure code coverage.
4. Must have experience and knowledge of writing Solidity-based smart contracts for Ethereum Blockchain.
5. Experience in development tools for Ethereum & Tron (testrpc, ganache, geth, Web3, Truffle, MetaMask, eth_lightwallet, Trust Wallet etc.)




















