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.

Experience: Minimum 5 years in blockchain development

Blockchain Networks: Hyperledger Fabric, Stellar, Solana

Key Skills:

Proficiency in Golang with a minimum of 4 years of experience

Strong understanding of cryptography, resource optimization, and data clustering

Hands-on experience with NoSQL databases (CouchDB, Cassandra, or DynamoDB preferred)

Familiarity with CI/CD tools and processes (Docker, Kubernetes, Jenkins, GIT)

Project Knowledge:

Crypto Exchange platforms

Smart Contract Development

Tokenization and NFT projects

Key Responsibilities:

Design and develop blockchain-based solutions aligned with business needs

Develop and optimize smart contracts and decentralized applications

Collaborate with cross-functional teams to deliver high-quality solutions

Implement and ensure security best practices across blockchain solutions

Analyze and enhance blockchain network performance.

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

Job Title: Blockchain Developer

Location: Bestech Business Tower (Mohali)

Job Type: Full-time

We are looking for Blockchain Developer with a minimum of 6 months to 1.5 years experience, you will be responsible for designing, developing, and implementing blockchain-based solutions, Dapps, wallet and smart contracts. You will be reposinble for developing and directly dealing with clients.

Job Responsibilities:

·        Create/Design and implement reliable blockchain architectures and protocols for projects, prioritizing scalability, security, and high performance.

·        Design, implement, and deploy smart contracts across diverse blockchain platforms (e.g., Ethereum, Solana). Perform comprehensive audits to guarantee security and optimal functionality.

·        Develop and sustain decentralized applications (DApps) by seamlessly integrating blockchain technology with both front-end and back-end systems.

·        Assist in shaping the technical strategy and roadmap for blockchain initiatives. Keep up-to-date with the latest advancements in blockchain technologies and industry developments.

·        Proficiency in DeFi, NFTs, and other emerging blockchain applications.

·        Work closely with clients to identify their requirements, objectives, and challenges, delivering scalable and dependable blockchain solutions.

Skills Required:

·        Expertise in programming languages - Solidity, Python, Javascript, Rust and React.

·        Expertise in DApp development frameworks - Web3.js, ethers.js

·        Familiarity with platforms such as Ethereum, Solana, Hyperledger, Binance Smart Chain, or Polygon.

·        Ability to integrate blockchain platforms with third-party systems using RESTful or GraphQL APIs.

Why Join Us?:

• Competitive salary & commission.
• Growth opportunities and a dynamic work environment.
• Comprehensive benefits.
• Decent hike on Current Salary
• Festival Celebrations

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.

We are a Research and Development firm focusing on building DeFi products revolving around Decentralized Liquidity Provision and active LP management.

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 are looking for a DeFi Software Engineer who has a deep understanding of Ethereum and tons of curiosity!

What are we Building:
We are building an Ethereum-based Protocol for structured yield and synths. The protocol leverages permissionless-ness and transparency of DeFi to create predictable yield and increase capital efficiency of capital deployed over various products in the DeFi ecosystem.

Our first product focuses on liquidity management on Uniswap V3.

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
• R&D at a protocol level

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), testing and deployed a functioning smart contract on ETH mainnet.
• 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 DeFi isn't a must but is a big plus!

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 engineering, 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 is remote. Please share github profiles and details of previous projects worked on (both commercial and personal).

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

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

About Mastercard

We are the global technology company behind the world’s fastest payments processing network.

We are a vehicle for commerce, a connection to financial systems for the previously excluded, a technology innovation lab, and the home of Priceless.

We ensure every employee has the opportunity to be a part of something bigger and to change lives.

We believe as our company grows, so should you.

We believe in connecting everyone to endless, priceless possibilities.

Overview Services and Data is helping to shape the future of data insights by leveraging billions of anonymized, aggregated transactions in a 10 petabyte date warehouse to help financial institutions, merchants, media, and governments manage their businesses more effectively.

Advanced Analytics is charged with servicing clients by centralizing and optimizing the world class analytical, modeling, software coding, data sourcing, product development, product management, econometrics, and associated delivery capabilities of the MasterCard Advisors organization.

It focuses on creating innovative technology solutions which leverage technology in the data science, artificial intelligence and analytics arenas; on enabling the field with industrialized, repeatable products and on researching and incubating emerging technology to determine how they might apply to our customers and facilitate positive outcomes.

What we are re looking for

• Are you motivated by developing new Analytical skills, leading to insights into issues and developing recommendations that add real value to clients?
• Have you managed the client independently and effectively?
• Do you want to play a key role in driving a world beyond cash?
• Leading the formulation of artificial intelligence and machine learning solution objectives. Working on technical requirements based on user need.
• Responsible for creating the framework of solutions that take data intensive and complex business challenges and provide easily consumed and automated outcomes
• Using unique visualization techniques, condenses large volumes of complex ideas into elegant and simple visual models
• Determine opportunities to exploit new data sources or leverage new outcomes from existing data sources, by applying new models and algorithms to create business value
• Influences a client's strategic decisions by using deep industry expertise and deploying innovative Deep Learning analytics solutions in the operational systems Leadership Skills
• Works closely with clients/internal stakeholders to understand their business needs and design a technical solution
• Proving viability of the solution through mechanisms like proof-of-concepts
• Thought Leadership in AI – Developing compelling audience-specific messages and tools. Capture and share best practices and insights internally and with partners and customers.
• Self-driven, energetic, creative with ability to work in global teams.
• Excellent communication skills and a wide knowledge base, to convince the Stakeholders on application of AI/ML
• Provide technical leadership to the team members in relevant topics on AI/ML
• Adaptable - Takes in stride and constantly attunes to the changing needs of a highly dynamic business
• Curious - our key contributors are always seeking to grow their knowledge, to gain new perspectives, and to find better ways forward by researching and showcasing latest AI tools, techniques and applications
• Tenacious - self-starters who will take ownership of projects and bring them to completion despite difficulties or setbacks
• Consulting and Project Management Experience preferred

Functional and Technical Skills

• Experience in building and implementing AI application in any of the two domains - Fraud, risk, marketing, finance, operations for Banks, Fintech, Ecommerce, merchants or retailers
• Has a deep understanding of business value industry requirements and advanced analytic models (statistical, operations research, computing process)
• Responsible for building applications using artificial intelligence/machine learning technology, applying latest industrial and academic developments, prefer Kaggle hackathon participant
• Expertise in deep learning frameworks for Production Systems like Tensorflow, Keras (for RPD and neural net architecture evaluation), PyTorch and Xgboost, Caffe, Theono
• Proficient in Deep Learning algorithm techniques like Random Forest, GBM, KNN, SVM, Bayesian, Text Mining techniques, Multilayer Perceptron, Neural Networks – Feedforward, CNN, LSTM’s GRU’s.
• Optimization techniques – Activity regularization (L1 and L2), Adam, Adagrad, Adadelta concepts; Cost Functions in Neural Nets – Contrastive Loss, Hinge Loss, Binary Cross entropy, Categorical Cross entropy; developed applications in KRR, NLP, Speech and Image processing
• Expertise in classical Machine Learning algorithms like Logistic Regression, Decision trees, Clustering (K-means, Hierarchical and Self-organizing Maps), TSNE, PCA, Bayesian models, Time Series ARIMA/ARMA, Recommender Systems - Collaborative Filtering, FPMC, FISM, Fossil etc
• Extensive experience in statistical tools and programming environments like Python, R, SAS, SQL
• Experience with BIG DATA platforms - Hadoop, Hive, Spark, GPU Clusters for deep learning

Qualifications

• Minimum Graduate degree in Mathematics/Computer Science/Engineering