Blockchain 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.

Hiring: Hyperledger Fabric Developer

📍 Location: Gurugram

🏢 Work Mode: Onsite

📅 Working Days: Monday to Saturday (6 Days)

🔹 Role Overview

Join our team to build and maintain secure, scalable private blockchain networks. You’ll play a key role in deployments, upgrades, and live network management, ensuring high performance and stability.

🔹 Key Responsibilities

• Develop and maintain chaincode and Fabric network components
• Setup and manage Fabric 1.4 private networks (Peers, Orderers, Channels, MSPs, CAs)
• Support Fabric 2.x lifecycle processes (packaging, approvals, upgrades)
• Handle production environments (monitoring, troubleshooting, performance tuning)
• Add and onboard new peers into live networks with minimal/no downtime
• Collaborate with DevOps for automation, security, and deployments

🔹 Must-Have Skills

• Strong hands-on experience with Hyperledger Fabric 1.4
• Experience in end-to-end deployment of private networks
• Exposure to Fabric 2.x environments
• Experience working in live production setups
• Deep understanding of:
• MSP updates & certificate handling
• Channel configuration & peer onboarding
• Anchor peers & endorsement policies

🔹 Good-to-Have

• Experience with Docker, Kubernetes, Helm, CI/CD pipelines
• Knowledge of Fabric CA, TLS, and network security
• Strong debugging skills across chaincode and network logs

🔹 Preferred Skills

• Proficiency in Go (Golang) for chaincode
• Linux, scripting, and Git

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.

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

1. Work as a Senior Developer or Tech Lead for blockchain-based projects.
2. Lead small development teams (3-5 people).
3. Work in Agile/Scrum teams.
4. Deliver quality solutions to customers by implementing relevant tools/ frameworks/ libraries in Hyperledger.

1. Experience in the role of a senior developer/tech lead for blockchain and non-blockchain-based projects. (At least 3 to 5 projects)
2. Hands-on experience with Enterprise Blockchain platforms (particularly Hyperledger ONLY) and a good awareness of others, to evaluate and drive the selection of the right platform for the area of implementation.
3. Must be well versed with software design and development methodologies for web application development using Java/Java EE/Open Source or Microsoft .NET technologies.
4. Mandatory experience in implementing Blockchain applications/projects using MEAN/MERN/Java/Go technology stack, Git, Linux/ Ubuntu/ MacOs/ Windows/ Virtual machines.
5. Understanding of smart contracts and experience in developing smart contracts (Node/ JavaScript/ Go/ Java) for at least 2 live projects.
6. Knowledge of design considerations, best practices, and standards for designing smart contract-based solutions for decentralized applications.
7. Understanding of common tools/ frameworks/ libraries used for quality software development and Blockchain implementation, including those for Hyperledger.
8. Knowledge of common architecture patterns for applications (MVC, SPA), cloud, data storage, security, API/Integration, serverless architectures, etc.
9. Experience in using (and configuring) CI/CD pipelines (and know-how of DevOps) for blockchain projects.
10. Experience in leading small development teams (3-5 people) and should have worked in Agile/Scrum teams.
11. Strong verbal and written communication skills; must be comfortable with client and stakeholder interactions.
12. Good understanding of IPFS and IPNS protocols.

1. Interest to learn and apply learning to design and implement blockchain solutions
2. Record of publication of good quality blogs and papers.
3. Completion of relevant certifications: Blockchain developer, Java EE / Web Application Developer, Cloud Certification, etc.

About us:

Zemoso Technologies is a Software Product Market Fit Studio that brings silicon valley style rapid prototyping and rapid application builds to Entrepreneurs and Corporate innovation. We offer Innovation as a service and work on ideas from scratch and take it to the Product Market Fit stage using Design Thinking->Lean Execution->Agile Methodology.

We were featured as one of Deloitte Fastest 50 growing tech companies from India thrice (2016, 2018 and 2019). We were also featured in Deloitte Technology Fast 500 Asia Pacific both in 2016 and 2018.

We are located in Hyderabad, India, and Dallas, US. We have recently incorporated another office in Waterloo, Canada.

Our founders have had past successes - founded a decision management company acquired by SAP AG (now part of Hana Big data stack & NetWeaver BPM), early engineering team of Zoho (leading billion $ SaaS player) & some Private Equity experience.

Marquee customers along with some exciting start-ups are part of our clientele.

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 . 

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

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