20+ Wallet (Blockchain) Jobs in India

JOB POSITION- FULL TIME BACKEND ENGINEER (TRADING SYSTEMS)

Satsio is an African startup that is building a crypto exchange for both spot trading and perpetual futures trading. We have many exciting and innovative features and products in the pipeline. We are looking to add to our engineering team and we are recruiting for a full time backend engineer (trading systems).

How to apply:

After reading the job description, please complete the job application via the following link: https://forms.gle/wEdVVktX3iVLCqj59

Location

This is a fully remote position. We are accepting applications from worldwide candidates.

Remuneration

Salary range in USDT shown at the top of the advert, depending on skills, experience, and location, and subject to good performance, vesting shares of 1% of the business.

Requirements

·      Proficiency in Python and expertise in working with websockets

·      Proven experience in designing and implementing complex REST APIs

·      Project experience with Flask and Django

·      Proficient with Linux and experienced working with cloud servers

·      Excellent communication skills

·      Intellectually motivated and a quick learner

·      Fluent in both spoken and written English

Preferences

·      Proficient in C++ or another low latency language

·      Experience building matching engines and trading systems

·      Experience working in the crypto exchange industry

·      Experience with blockchain nodes, creating blockchain wallet systems, cryptocurrency deposit and withdrawal systems and optimising network fees

·      Familiar with the agile development process, Github flow, and modern software engineering practices

·      Align working hours with the standard 9am-6pm UTC+1 schedule

Key Responsibilities

·      Review and understand existing backend code base and make improvements where necessary

·      Matching engine and improving its speed

·      The system that updates user balances following user transactions and performs the necessary checks prior to permitting transactions

·      Cloud server configurations and deployment and cost optimisation of resources

·      Creating APIs with supporting documentation for users who trade algorithmically directly via APIs and not via the frontend

·      Work on our p2p trading product and KYC process

·      Building the perpetual futures trading product and integrating data from 3rd party APIs

·      Performing unit tests, integrated tests, performance tests and end to end tests

·      Working on various other backend tasks that the startup requires to be done

Startup culture

Our culture is one of constant innovation. Great teamwork, creativity, a passion for innovation, constantly trying to improve, being hard working, a self starter, a quick learner, taking initiative, a can do attitude, shipping product, loyalty, and having a positive mindset are all traits which we are seeking in our future colleague. We seek to create an environment whereby colleagues can see their long-term career to be with us and to flourish with us as we grow.

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.

At Zest Network LLP, we run a portfolio of content-based online businesses where we take serious efforts to educate and inform our readers on various subjects. And we are looking for an experienced writer who is well-versed in the subject of cryptocurrencies, crypto wallets, crypto exchanges, and Web3.

Key responsibilities:

Double our content publishing efforts over the next year in the cryptocurrency niche by contributing, coordinating with existing writers on the team, and bringing seamlessness in our existing content publishing strategy by working & re-working with other existing writers on the team & existing systems within 100 days of the start date.

1. Write articles every day & every alternative day for Twitter on an agreed theme (tweets & threads) & for the newsletter as & when needed.

2. Work on preparing & writing outlines for all agreed topics & keywords so that the content schedule keeps running seamlessly (outlines are to be approved by a manager)

3. Work on editing, formatting & fact-checking, etc. of content written by other writers on a daily basis

4. Work on assigning for uploading to uploader after writing & editing is done to a satisfactory level

5. Check everything is in place after uploading done by the uploader in WordPress

6. Work on liaisoning up with other writers so that we stick to the agreed schedule & resolve any other issues that they might have with respect to the writing that is assigned to them

7. Work on making sure the content calendar is being followed as decided in advance

8. Work on Twitter & blog publishing reports every week

Who can apply: Computer science, economics, statistics, engineering, and finance graduates are preferred who know copywriting & content writing.

Research and contact potential Blockchain and Crypto Projects Developers to consult and set up partnership meetings for consultancy and services introduction.

Understand business models and be able to analyze and consult

actively managing customer requests for quotes

Creating and delivering pitches that are compelling, accurate, informative & reflective of customer needs. Developing, nurturing & maintaining relationships with key clients

The self-generation of commercial leads through proactive communications

Coordinating sales efforts with team members and other departments regarding effective delivery solutions

About You:

Experience, have basic knowledge and show interest in the blockchain industry.

A consultative sales approach. Ability to listen to a customer's concerns and build a solution to address their concerns.

Ability to talk about the benefits rather than the features of a product or service.

Experience in selling a premium service and therefore possess an understanding of how to talk to our position in the market and price point.

Highly motivated and the target is driven with a proven track record in commercial sales

Experience in leveraging LinkedIn to prospect, connect and develop a pipeline of opportunities.

Effective time management skills in a bustling environment and the ability to work to deadlines.

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

Who We Are Looking For:

We are looking for a driven Blockchain & Solidity Developer who learns fast, who is humble and values teamwork. The ideal candidate will be technical, data-driven, creative, and efficient. The kind of person who joins our Team is passionate and willing to think outside of the box and execute on it. We are committed to helping you grow, challenging you with hard, meaningful work and celebrating our successes and failures together.

Preferred Experience:

• 3+ years of software experience ( Full stack) , 1+ years of Solidity development experience
• Presently leading as CTO, Tech Lead or Technical Project manager at established crypto project

Technical Skills

• Experience in development of solidity smart contracts and operating mechanism of blockchain encryption algorithms, consensus mechanism, security protocols etc.
• Proven work experience of deployments on ETH/BSC/MATIC networks and other EVM Chains
• Understanding of virtual machine architecture, memory, and stack.
• Familiar with Truffle, Waffle, and Hardhat, and the pros and cons of each framework.
• Familiarity with code versioning tools (git) and repo management.
• (Plus) Understanding of mainstream DeFi ecosystems like Uniswap, Compound, Curve etc.

Soft Skills

• Proficiency in English & Communication
• Team Collaboration and task management

What You Will Be Doing:

• Collaborates with the team on conceptualizing and developing new applications. Write high-quality, pragmatic code as part of a multidisciplinary agile team.
• Participate in design, development and code reviews.
• Take accountability for end-to-end production, testing, and shipping of code.

Our Offering:

• Purpose: You’ll be part of something bigger, working towards building a decentralized financial ecosystem.
• Culture: You’ll work in a thriving, friendly, and fun environment that promotes open discussions, jokes, learning, video games, and lots of fun.
• People: You’ll work with some of the most driven and intelligent people in the crypto space, engaging with a network of diverse talent team members & advisors.
• Flexible vacation policy: work with your manager to take time off when you need it

We are looking for a highly capable Node.js developer to optimize our web-based application performance. You will be collaborating with our front-end application developers, designing back-end components, and integrating data storage and protection solutions.

To ensure success as a Node.js developer, you should possess extensive knowledge of Node.Js-based services and experience in a similar role. An accomplished Node.js developer will be someone whose expertise results in the stable, fast, and secure exchange of data between servers and end-users.

Node.js Developer Responsibilities:

• Developing and maintaining all server-side network components.
• Ensuring optimal performance of the central database and responsiveness to front-end requests.
• Collaborating with front-end developers on the integration of elements.
• Designing customer-facing UI and back-end services for various business processes.
• Developing high-performance applications by writing testable, reusable, and efficient code.
• Implementing effective security protocols, data protection measures, and storage solutions.
• Running diagnostic tests, repairing defects, and providing technical support.
• Documenting Node.js processes, including database schemas, as well as preparing reports.
• Recommending and implementing improvements to processes and technologies.
• Keeping informed of advancements in the field of Node.js development.

Node.js Developer Requirements:

• At least two years' experience as a Node.js developer.
• Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
• Knowledge of front-end technologies such as HTML5 and CSS3.
• Superb interpersonal, communication, and collaboration skills.
• Exceptional analytical and problem-solving aptitude.
• Great organizational and time management skills.
• Availability to resolve urgent web application issues outside of business hours.

We are looking for a blockchain developer who will be responsible for designing, implementing, and supporting a distributed blockchain-based network. Your primary responsibility will be analyzing requirements, designing blockchain technology around a certain business model, and building and launching a blockchain network.

Also, the Position requires maintenance & further development of the existing platform

• Research, design, develop, and test blockchain technologies
• Document new solutions as well as maintain of existing ones
• Be involved in the global blockchain community—work on implementing and integrating the latest improvement proposals

1. Requirements

• Hands-on experience in Ethereum, Solidity, Golang, Nodejs, Javascript, NFT, ERC Tokens, DeFi, DAPPS
• Strong software development background, Expertise in Rest API design and development.
• Experience working in NoSQL databases like MongoDB.
• Strong knowledge of common algorithms and data structures
• Proficient understanding of code versioning tools, such as Git, and familiar with concepts of Cloud-based microservices.

Must have worked with Blockchain products and played a vital role to build that application as a developer

As the technical lead, you will oversee the company's technical team and all projects they undertake, analyze briefs, write progress reports, identify risks, and develop work schedules. You should be able to work with your team and inspire them to reach their goals.

To be successful as a technical lead, you should always be expanding your industry knowledge and be able to quickly identify problems. Outstanding technical leads are accountable, trustworthy, and able to build lasting relationships with their teams.

Responsibilities:

• Determining project requirements and developing work schedules for the team.
• Delegating tasks and achieving daily, weekly, and monthly goals.
• Liaising with team members, management, and clients to ensure projects are completed to standard.
• Identifying risks and forming contingency plans as soon as possible.
• Analyzing existing operations and scheduling training sessions and meetings to discuss improvements.
• Keeping up-to-date with industry trends and developments.
• Updating work schedules and performing troubleshooting as required.
• Motivating staff and creating a space where they can ask questions and voice their concerns.
• Being transparent with the team about challenges, failures, and successes.
• Writing progress reports and delivering presentations to the relevant stakeholders.

Requirements:

• Bachelor's/Master's degree in computer science, engineering, or a related field.
• A 3-4 years of experience in a similar role would be advantageous.
• In-depth experience in working with Reactjs and Go.
• Excellent technical, diagnostic, and troubleshooting skills.
• Experience with blockchain technology preferable.
• Strong leadership and organizational abilities.

• 4-6 years of proven experience as a Full stack engineer
• 2+ years of Blockchain development experience in Hyperledger Fabric, IPFS and development of smart contracts in Golang.
• Good understanding of multiple Blockchain platforms such as Hyperledger Fabric, Quorum, Ethereum etc
• Experience in Java, JavaScript Experience in developing and designing RESTful services and APIs
• Experience in Microservices architecture
• Sound knowledge on Docker and Kubernetes applications
• Experience in Banking, Financial and Fintech domain is an added advantage
• Familiarity with Blockchain protocols is a plus
• Knowledge of Agile development environment is preferable
• Ability to work within a fast-paced, collaborative environment and handling multiple projects
• Customer-first mentality, intellectual curiosity, and hunger
• Interested in learning new technologies, creative, open-minded and a great team player
• Bachelors or master’s degree in engineering (preferably Computer Science or Information Technology)

At Cypherock, We are disrupting the current financial system by increasing the adoption of Blockchain-based digital assets through better key management solutions. We build "Worlds' first products" from India, work at the intersection of Blockchain, Security, Embedded Hardware and Cryptography, and have worked with companies like Google, Blockgeeks, Samsung, Lockheed Martin, Apollo Munich, Bank of America amongst others.

As the primary person responsible for everything Blockchain in the company, we think it will be a great fit if -

1. You love everything Crypto and are passionate to create the World's safest Crypto wallet.
2. You have MERN stack & DevOps experience on AWS.
3. You have reasonable open-source development experience and have shipped production-ready code.
4. You can commit for at least 6 months and you are ideally in your 4th year of college and willing to join full time after the internship if mutually agreed.

If we decide to work together, we believe you would be a key team member who helps in the mass adoption of Crypto for the first billion users.

At Cypherock,
We are disrupting the current financial system by increasing the adoption of Blockchain-based digital assets through better key management solutions. We are a mission-driven team having worked with companies like Google, Blockgeeks, Samsung, Lockheed Martin, Apollo Munich, etc.

As an early engineer at Cypherock you may:
● Implement protocols that empower millions over the world
● To ship global products that increase the adoption of decentralized currencies
● Work on World's first products. Yes! we are one of the few Indian companies building for the World from India
● Get inspired to create breakthrough technologies

Requirements:
● Experience in MEAN stack and writing Python scripts. React dev skills are a must. Experience with the Electron framework for desktop app development will be a plus
● Experience working in remote teams
● Excellent code documentation and communication skills

About us:

Zapit aims to be a multi-platform single app solution for universal payments using blockchain technology. Our goal is to spread economic freedom by pushing the boundaries of p2p payments by introducing non-custodial decentralised financial services.

We are looking to build smart contracts that can be deployed for real world use cases such as insurances, loans and other useful decentralised financial products. We are also working towards building an economy where concepts like company shares, gift cards, discount coupons, loyalty points and more can be tokenised including NFTs in the form of art, music, gaming items, event tickets, design concepts and more.

Responsibilities:

• Collaborate with designers to develop a visually appealing, responsive & optimised app for mobile, web & desktop platforms.
• Use Flutter framework to develop great user experiences with effective workflows.
• Build reusable code and robust libraries of UI components.
• Write clean, maintainable and documented code with solid test coverage.
• Participate in the product roadmap discussions.
• Design, develop, test, deploy, maintain, scale and improve code base.
• Implement methods to understand user interaction and engagement on the product through metrics.

Requirements:

• Minimum experience of 1.5 years in Dart/Flutter development with a good knowledge of native Android & iOS development.
• Good understanding of Data Structures and Algorithms.
• Passionate and opinionated about beautiful design with an eye for detail.
• Should be updated with latest front end technologies and trends.
• Proficient knowledge of cross-browser compatibility issues and handle graceful degradation.
• Should have delivered multiple products.
• Interest in building things from scratch.
• Willingness and affinity to learn.
• Excellent communication skills.
• Self-motivated, work well independently or as part of the team.

Our Stack:

We tend to work with Javascript, Typescript, Dart, Flutter, gRPC, Express.js, Heroku, NodeJS, MongoDB, AWS, Solidity, Bitcoin Script.

Good-to-Have:

• Open Source contributions.
• Interest in Cryptocurrency/Payments space.
• Familiar with Git and GitHub/GitLab

Incentives:

• Equity in the company
• Get to work in a distributed team.
• Handsome pay. (Competitive)
• Fast opportunities for personal and professional learning and growth, tons of autonomy and responsibility, results-driven environment, international team, exposure to a wide array of ecosystems and trailblazing technology, flexible work hours.

Please include something beautiful you’ve implemented in the past if possible!

If you have examples of a project where you iterated after learning new things from potential users, please talk about that!

• Significant completed projects under blockchain space for content with expertise in the same
• Apply with portfolio links for us to check or ensure your resumes have samples available
• Please note, this is a freelance opportunity and NOT full-time

Aimed at building a massive parallel economy, This For That, is looking for highly driven engineers to build out a world class product. The product is in its early stages so there’s a lot to learn and build from scratch. You will get to work alongside seasoned business and marketing professionals and become part of the core engineering team.

Ideal skills:

1) 2-5 years of professional JavaScript development experience

2) Understanding of asynchronous programming and its quirks and workarounds

3) Comfortable working through the entire stack from the user interface through systems levels

4) Understanding accessibility and security compliance

5) Strong Logical and Analytical Skills

6) Experience in consuming web services (REST) and processing data (JSON)

7) Experience with SQLite, NoSQL, Redis or other databases

8) Proven experience in building API services using NodeJS Express and related frameworks

9) Good understanding of NodeJS asynchronous runtime

10) Good understanding of JS concepts on callbacks and closures

11) Experience in debugging issues related to memory leaks

12) Experience in building highly scalable and high throughput services with sub-second response times

13) Experience with ElasticSearch/Solr

14) Experience working in a collaborative team environment

15) Ability to understand and analyse issues across multiple vendors and interfaces

16) Experience with NoSQL queries

17) Experience with AWS

18) Experience in managing/mentoring small teams

In depth knowledge of all of the above is not mandatory but the nature of the work will involve learning and getting involved with all of the above. You would be working directly with key members of the management team to define and drive technical strategy.

Experience in the mobile space is mandatory. Please only apply if you have been part of building a mobile product. Since our product is mobile only, it is essential that you understand implications on the front end.