Quantitative R&D Engineer

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 the Job

Blockchain Developer (Mid-Level)

Experience: 1–7 Years

Salary: Competitive

Preferred Notice Period: Immediate to 30 Days

Opportunity Type: Remote (Global)

Placement Type: Freelance/Contract

(Note: This is a requirement for one of TalentLo’s Clients)

Role Overview

We’re seeking skilled Blockchain Developers with 1–7 years of experience to build decentralized applications (dApps), smart contracts, and scalable blockchain solutions for global clients.

Responsibilities

• Design and develop smart contracts and decentralized applications
• Build and maintain blockchain protocols and architectures
• Optimize code for performance, scalability, and security
• Integrate blockchain solutions with existing applications and APIs
• Conduct research on emerging blockchain frameworks, tools, and trends
• Collaborate with product managers and clients to define blockchain use cases
• Perform testing, debugging, and audits of smart contracts and blockchain code

Requirements

• Strong proficiency in Solidity (Ethereum), Rust, or Go for blockchain development
• Experience with blockchain platforms (Ethereum, Hyperledger, Polygon, or similar)
• Knowledge of smart contract security and best practices
• Familiarity with cryptography, consensus algorithms, and token standards (ERC-20, ERC-721, etc.)
• Hands-on experience with Web3.js, ethers.js, or similar libraries
• Proficiency with version control (Git) and collaborative development workflows
• Understanding of dApp architecture, APIs, and blockchain integration

How to Apply

1. Create your profile on TalentLo’s platform → https://www.talentlo.com/signup
2. Submit your GitHub, portfolio, or sample projects
3. Take the required assessment and get qualified
4. Get shortlisted & connect with the client

About TalentLo

TalentLo is a revolutionary talent platform connecting exceptional tech professionals with high-quality clients worldwide. We’re building a carefully curated pool of skilled experts to match with companies actively seeking specialized talent for impactful projects.

✨ If you’re ready to work on cutting-edge blockchain projects, collaborate with global teams, and grow your career — apply today!

**Role Overview:** We are seeking a skilled Web3 blockchain developer with strong experience in Ethereum and decentralized finance (DeFi). The ideal candidate should have expertise in smart contract development, ERC20 tokens, security best practices, and experience integrating with blockchain payment gateways or APIs related to stablecoins.

**Key Responsibilities:**

* Develop and deploy ERC20 smart contracts, including token minting, redemption, and transfer functionalities on Ethereum.

* Design, review, and optimize smart contracts related to crypto lending, escrow, collateral, and repayments.

* Integrate with Circle’s platform for USDC operations, understanding minting and redeeming processes via its APIs.

* Assess stability mechanisms of USDC, ensuring secure handling of minting, redemption workflows, and transactions.

* Collaborate with backend systems (Node.js / Typescript) to facilitate blockchain interactions, manage transactions, and implement error recovery.

* Implement blockchain security best practices, including transaction signing, API key management, and event validation.

* Explore interoperability between Ethereum and other blockchain networks as needed, considering costs and operational efficiency.

* Work closely with frontend and backend teams to embed blockchain transaction logic, wallet management, and transaction tracking.

* Document smart contract code, API workflows, and integration processes to support compliance and audits.

* Ensure platform adherence to relevant regulatory standards for crypto operations.

* Requirements:

* Proven experience in Ethereum smart contract development (Solidity), with a focus on ERC20 standards.

* Experience with DeFi protocols, escrow, lending, or collateral management smart contracts.

* Familiarity with Circle’s platform APIs, especially for USDC minting and redemption workflows, is a strong advantage.

* Hands-on experience with blockchain libraries such as web3.js, ethers.js, or similar.

* Understanding of blockchain transaction costs, network throughput, and interoperability considerations.

* Strong knowledge of smart contract security, auditing, and safe transaction handling.

* Experience working with backend environments like Node.js or Typescript.

* Basic familiarity with Circle’s wallet APIs, webhook integrations, and transaction validation best practices.

* Excellent coding, debugging, and documentation skills.

* Ability to work independently and collaboratively in a dynamic environment.

* 

**Preferred Skills:**

* Experience across multiple blockchain ecosystems (e.g., Ethereum, Polygon, Solana).

* Prior exposure to Circle’s API systems and USDC management workflows.

* Strong security awareness around wallet management, API key handling, and transaction validation.

* Knowledge of DeFi security audits, formal verification, or related security frameworks.

* Contributions to open-source blockchain projects or experience in blockchain community engagement.

Job Description:

We are seeking a skilled and experienced Blockchain Developer to join our dynamic team. As a Blockchain Developer, you will be responsible for designing, implementing, and maintaining blockchain-based applications and solutions. You will collaborate with cross-functional teams to develop innovative blockchain solutions that meet our business requirements. The ideal candidate should have a strong background in blockchain technology, solid programming skills, and a passion for staying updated with the latest trends and developments in the blockchain space.

Responsibilities:

1. Design, develop, and implement blockchain solutions based on business requirements.
2. Collaborate with cross-functional teams to integrate blockchain technology into existing systems and applications.
3. Research and evaluate blockchain frameworks, platforms, and tools to identify the most suitable solutions for our projects.
4. Write clean, efficient, and maintainable code for blockchain applications.
5. Implement smart contracts and decentralized applications (DApps) using Solidity or other relevant programming languages.
6. Ensure the security, scalability, and performance of blockchain solutions.
7. Conduct code reviews, testing, and debugging to ensure the quality of deliverables.
8. Stay updated with the latest developments, standards, and best practices in blockchain technology.
9. Provide technical guidance and support to team members and stakeholders.
10. Document technical specifications, architecture, and processes related to blockchain development projects.

Requirements:

1. Bachelor's or Master's degree in Computer Science, Engineering, or related field.
2. Proven experience as a Blockchain Developer or related role.
3. Strong understanding of blockchain technology, cryptocurrencies, and decentralized systems.
4. Proficiency in programming languages such as Solidity, JavaScript, Python, or C++.
5. Experience with blockchain platforms such as Ethereum, Hyperledger, Corda, or EOS.
6. Familiarity with smart contract development and deployment.
7. Knowledge of cryptographic principles and security protocols.
8. Experience with blockchain development tools, libraries, and frameworks.
9. Excellent problem-solving skills and attention to detail.
10. Strong communication and teamwork skills.
11. Ability to work effectively in a fast-paced environment and manage multiple tasks simultaneously.
12. Certification in blockchain development (e.g., Certified Blockchain Developer) is a plus.

Join our team and be part of exciting projects at the forefront of blockchain technology innovation!

Designation - Blockchain developers

Work Mode :- Remote

Qualifications and Experience:

• The Blockchain developer will be responsible for designing, developing and implementing blockchain solutions.
• Candidates must be from Bachelor of Engineering Background.Freshers do not apply
• Minimum 3-5 years of hands on Experience in Blockchain,solidity,RUST,IDO and Token launches is mandatory.
• We are looking Candidates should who can join us immediately or 15 days

JOB SKILLS & QUALIFICATIONS

WHAT YOU'LL DO

• Design model serving solutions and develop machine learning-based applications. services, and APIs so as to productionise machine learning models.
• Set and maintain engineering standards while to grow and go far.
• Partner with the Data Scientists (those who actually build, train and evaluate ML models) to provide an end-to-end solution for machine learning-based projects.
• Foster the technological evolution of services and improve their end-to-end quality attributes.
• Be committed to Continuous Integration and Continuous Deployment.

 Preferred Skills

• Familiarity with the engineering aspects of some of popular machine learning practices, libraries, and platforms (e.g. MLflow, Kubeflow, Mleap, Michelangelo, Feast, HopsWorks, MetaFlow, Zipline, Databricks, Spark, MLlib, PyTorch, TensorFlow, and Scikit-learn among others).
• Comfortable dealing with trade-offs project delivery and quality, especially those involving latency, throughput, and http://transactions.proven/">transactions.
• Experience Continuous Integration & Continuous Deployment processes and platforms, software design patterns and APIs.
• A person that enjoys staying on top of all the best practices and tools of modern software engineering, while being a advocate of code quality and continuous improvement.
• Someone interested in large-scale systems and passionate about solving complex problems while being open and comfortable with changes in the tech stack the teams use.

Who We Are Looking For:

We are looking for a Go getter Blockchain & Solidity Developer who learns fast, who is humble and values teamwork. 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.

Preference:

• Please send your resume, github and current draw to sainath@ primetrade.ai
• 3+ years of software experience ( Full stack) , 1+ years of Solidity development experience
• Good coding experience with NodeJS, ReactJS, Solidty
• Be open to work in Hybrid ( Remote + Office in Hyderabad, India)

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

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.