Blockchain Developer

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.

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.

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.

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

• 4+ years of development experience and at least 1 year of smart contract developer experience in solidity
• Solid experience in delivering resilient and secure code in Solidity
• Knowledge and experience of the test-driven development
• Very good understanding of the Blockchain technologies, especially Ethereum
• Familiar with the common Smart Contract vulnerabilities
• Solid understanding about Ethereum infrastructure, e.g. like Gnosis, TheGraph

RedSoft Solutions is a fully remote organization with a talented team spread across five cities in two countries. We specialize in the JavaScript and Web3 technology stack, delivering exceptional web applications to our clients. Our expertise ranges from developing web3 applications for startups to streamlining enterprise processes. We are proud to be at the forefront of blockchain technology, constantly pushing boundaries and creating cutting-edge solutions in this rapidly evolving field.

We foster a freedom culture that empowers our team members to choose their own working hours and pursue their preferred technologies. We firmly believe that teams perform best when they have the freedom to work on what they love with minimal restrictions. Work-life balance is a core value for us, and we prioritize written communication for effective collaboration, reducing the need for frequent calls and meetings.

Job Title: Blockchain Developer

Location: Fully-Remote :earth_asia:

Responsibilities:

Design and develop decentralized applications (dApps) using the Web3 technology stack, including Solidity, React.js, Node.js, Truffle, Ganache, and Hardhat.

Write and deploy smart contracts on various blockchain platforms.

Ensure the security and integrity of blockchain applications by implementing best practices and following cryptography and security principles.

Collaborate with cross-functional teams to integrate blockchain solutions into existing systems.

Stay up-to-date with the latest trends and developments in blockchain technology and share insights with the team.

Qualifications:

Minimum of 2 years of experience as a Blockchain Developer or a related role.

Excellent understanding of blockchain technology and its practical applications.

Proficiency in the Web3 technology stack, including Solidity, React.js, Node.js, Truffle, Ganache, and Hardhat.

Solid grasp of cryptography and security principles in the context of blockchain technology.

Knowledge of smart contracts and their development and deployment.

Familiarity with algorithm and data structures to optimize blockchain applications.

Strong problem-solving and analytical skills.

Excellent communication and interpersonal skills.

Academics:

Academic qualifications in any field are acceptable as long as you possess the required skills.

Relevant certifications in blockchain development or related domains are desirable.

Salary and Benefits:

Competitive salary range of 6-8 LPA based on experience and qualifications.

Fully remote work environment, allowing for a flexible and balanced lifestyle.

Opportunity to work with cutting-edge blockchain technologies and contribute to the growth of the industry.

Collaborative and inclusive company culture that values teamwork and innovation.

Emphasis on work-life balance and freedom to pursue preferred technologies.

Professional development opportunities and support for further learning and certifications.

If you are a passionate Blockchain Developer with a strong technical background and a desire to work in a fully remote and innovative environment, we would love to hear from you. Join our team at RedSoft Solutions and be part of the revolution in blockchain technology!

Responsibilities:

• Collaborate with R&D teams and incorporate blockchain into the development and design of solutions that employ cross-asset frameworks and concepts
• Leadership abilities in order to provide the team with the correct direction to ensure that the correct solution is implemented with tremendous success.
• Build performance indicators to assess the performance of the Blockchain.
• Preparation of a risk and failure analysis and risk prevention plan.
• Train and advise technical employees on Blockchain tools and frameworks, Blockchain principles, and so forth.

Required Skills:

• Worked on new technologies and develop performance standards for appraising any new solutions.
• Extensive knowledge of blockchain architectural concepts and the development of storage solutions.
• He shall have a solid understanding of Blockchain foundations, consensus algorithms, and smart contracts 
• Excellent knowledge of blockchain frameworks, for example, Hyperledger Fabric, R3 Corda, and Ethereum
• Good command over the several consensus algorithms used for the Bitcoin Blockchain, Ethereum, Byzantine fault-tolerant algorithms
• Strong understanding of cryptography, in order to provide greater security and immutability to the system

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 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.

• Desire to work in a startup environment, fun@work culture and able to self-manage.

• In Depth understanding of at-least two blockchain network like Rust, Substrate, Polkadot Solana, Hedera Hashgraph, Tezos, BlockApps, Algorand, Corda, Lambda, Cargo etc

• Familiarity with basic cryptography to understand the essentials of blockchain systems.

• Hands on in Rust

• Designing and writing well-structured APIs in Node.js and MongoDb to connect to Blockchain infrastructure

• Staying up to date with new developments and news in integrated chains.

• Past experience with Wallets or Crypto Exchanges would be a major plus.

• Experience with third-party libraries and APIs.

• Experience working in an agile development process.

• Documenting architecture and guidelines.

• Be proficient in using version control and continuous integration, with tools such as Gitlab, Git and Jenkins.

• Write clear, maintainable and testable code that you are proud of.

• Attend training and education where necessary to up-skill themselves.

• Experience in writing smart contracts for large-scale production blockchain applications.

• Cross-team contribution whenever required.

• Familiarity with basic cryptography.

• Should have a deep understanding of the blockchain and cryptocurrency space and smart contract systems, specifically having a deep understanding of Rust.

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 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