
ROLES & RESPONSIBILITIES:
- Responsible for Blockchain evaluation, smart contract development, implementation supporting the digital strategy group initiatives.
- Must have hands-on experience using Solidity.
- Experience in setting up Blockchain nodes and networks.
- Design and develop the architecture of Blockchain Solutions from a systemic standpoint.
- Responsible for creating technical solution architecture for a given business problem.
- Responsible for quality of the application and implements necessary checks and balances via peer review, code scans, automated tests.
- Set the standards for design and development.
- Oversees, maintains,s and supports existing software applications.
- Provide subject matter expertise in reviewing, analyzing, and resolving complex issues.
- Prepare user and systems documentation as needed.
- Design & implement Blockchain solutions which may run on Blockchain platforms and composed of multiple software packages based on Solution Architect.
- Lead a team of Blockchain juniors/trainees.
- Work with product managers and other product teams.
- Well versed in using GitHub.
- Should be flexible to explore different blockchains be it Ethereum, Ripple, Tron, AVA, Multichain, etc

About The other Fruit
About
We believe that privacy and free choice are not mutually exclusive. They reinforce one another. We aim to empower the individual, thereby permitting trusted and honest control-exchange. And by doing the right thing – for our team, our clients, our partners and our communities – it is also the best thing for our business.
Building in-house as well as fully bespoke B2B, B2C and DFA S/P/BaaS solutions - we are lucky enough to partner with some of the leading firms and groups from around the world. TOF®'s own headquarters are in the UK with branch locations in Singapore, Hong Kong, Thailand and Pune.
Company video


Photos
Connect with the team
Similar jobs
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
● Experience working with Nodejs/any JS framework, operating blockchain nodes especially in
Ethereum.
● Knowledgeable about smart contract security and best practices (design patterns).
● Build back-end web services that interact with the Ethereum blockchain.
● Research, design, implement and maintain all decentralized finance systems.
● Good Communication Skills.
- 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
Job Position - BlockChain Developer
Experience - 4+ Years
Job Location - Bangalore
Responsibilities:
• Search, 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 the existing ones.
Requirements:
• Total 4+ Years of experience in Backend Development and minimum 1+ years of experience in Ethereum, Blockchain
• Knowledge of any one of the programming languages: NodeJS, Java, GoLang, C, C++, PHP
• Basic understanding of blockchain technology: Bitcoin, Smart Contracts, Solidity, Cryptography
• Knowledge of private blockchains such as Hyper Ledger, and Corda is a plus
• Basic understanding of HTML, CSS, JS, Bootstrap, and knowledge of front-end technologies such as Angular/ React/ Vue is a plus.
• Knowledge in databases and database modeling: MySQL, PostgreSQL, MongoDB
• Understanding of Software Development Lifecycle (SDLC)
• Experience using Git for version control
|
Responsibilities
- Build and deploy architecture for complex blockchain solutions.
- 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
- Build cross-chain bridges.
- Building on-chain governance
Skills
- Strong software development background.
- Experience in Solidity.
- Worked with Defi offerings such as staking, farming, flash loans, etc.
- Experience with building on Ethereum & Matic.
- Strong knowledge of concurrency and writing efficient and safe multithreaded code
- Strong knowledge of common algorithms and data structures
- Familiarity with basic cryptography
- Familiarity with P2P networks
- Strong knowledge of bitcoin-like blockchains
Scope
- building an ERC-20 token with an in-built unlock schedule.
- building a smart contract to accept a certain ERC-20 token and take actions based on it
- farming/staking system
- collateral-based lending
- cross chain development
- on-chain governance
- Deploying NFTs
Benefits/Perks
- Remote first company
- Quarterly appraisal and bonus
- Health insurance Benefits of INR 5,00,000
- Employee professional development - Each employee has 5% of their monthly remuneration, annually to spend on educational activities or material
- Flexible working hour
And much more...

Responsibilities:-
Ø Research, design, develop, and test blockchain technologies.
Ø Brainstorm and help evaluate applications for new tools and technologies as they continually evolve.
Ø Maintain and extend current client- and server-side applications responsible for integration and business logic.
Ø Be involved in the global blockchain community—work on implementing and integrating the latest improvement proposals.
Ø Document new solutions as well as maintaining that of existing ones.
Skills:-
Ø Strong software development background.
Ø Experience working with large codebases.
Ø Experience working with open-source projects.
Ø Proficiency in one of the following languages: C++, Java, JavaScript ( Depending on the project ).
Ø Strong knowledge of common algorithms and data structures.
Ø Familiarity with basic cryptography.
Ø Familiarity with P2P networks.
Ø Strong knowledge of bitcoin-like blockchains.
Ø Strong knowledge of concurrency and writing efficient and safe multithreaded code.
Ø Strong knowledge of STL, C++11 ( In the case of a blockchain-based on C++ ).
Ø Proficiency in the Qt Widgets module ( Applies to projects where a GUI wallet application is needed ).
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











