Blockchain Developer

Job Description :

Position Name : Haskell Developer

Experience : 3+ Years

Location : Gurgaon

Working Days : 6 Days (Monday to Saturday)

Role Description :

This is a full-time on-site role located in Gurugram for a Haskell Developer. The Haskell Developer will be responsible for the development and implementation of efficient, high-performance, and scalable software solutions, and will have the opportunity to work on cutting-edge blockchain-based projects in collaboration with cross-functional teams.

Qualifications :

• 3-5 Years of Haskell experience is required.

• 3-5 Years of Web3 experience is a plus.

• Worked on proven projects of Blockchain.

• Strong proficiency in Haskell, and experience with other functional programming languages.

• Experience with Cryptography, Blockchain, Consensus algorithm and Distributed Systems.

• Proven experience in web frameworks such as Servant, and with databases such as Level DB.

• Strong knowledge of Computer Science fundamentals such as Algorithms, Data Structures, and Complexity Analysis.

• Experience with software development methodologies, such as Agile or Scrum.

• Bachelor's degree or higher in Computer Science, or a related field.

• Excellent communication skills, and ability to work in a collaborative team environment.

• Passion for Blockchain and Cryptocurrency, and willingness to learn and explore new technologies.

Job Title : Senior Python Developer – Product Engineering

Experience : 5 to 8 Years

Location : Pune, India (Hybrid – 3-4 days WFO, 1-2 days WFH)

Employment Type : Full-time

Commitment : Minimum 3 years (with end-of-term bonus)

Openings : 2 positions

• Junior : 3 to 5 Years
• Senior : 5 to 8 Years

Mandatory Skills : Python 3.x, REST APIs, multithreading, Celery, encryption (OpenSSL/cryptography.io), PostgreSQL/Redis, Docker/K8s, secure coding

Nice to Have : Experience with EFSS/DRM/DLP platforms, delta sync, file systems, LDAP/AD/SIEM integrations

🎯 Roles & Responsibilities :

• Design and develop backend services for DRM enforcement, file synchronization, and endpoint telemetry.
• Build scalable Python-based APIs interacting with file systems, agents, and enterprise infra.
• Implement encryption workflows, secure file handling, delta sync, and file versioning.
• Integrate with 3rd-party platforms: LDAP, AD, DLP, CASB, SIEM.
• Collaborate with DevOps to ensure high availability and performance of hybrid deployments.
• Participate in code reviews, architectural discussions, and mentor junior developers.
• Troubleshoot production issues and continuously optimize performance.

✅ Required Skills :

• 5 to 8 years of hands-on experience in Python 3.x development.
• Expertise in REST APIs, Celery, multithreading, and file I/O.
• Proficient in encryption libraries (OpenSSL, cryptography.io) and secure coding.
• Experience with PostgreSQL, Redis, SQLite, and Linux internals.
• Strong command over Docker, Kubernetes, CI/CD, and Git workflows.
• Ability to write clean, testable, and scalable code in production environments.

➕ Preferred Skills :

• Background in DRM, EFSS, DLP, or enterprise security platforms.
• Familiarity with file diffing, watermarking, or agent-based tools.
• Knowledge of compliance frameworks (GDPR, DPDP, RBI-CSF) is a plus.

At Qiro, we are a dynamic team united by a mission to foster a fair, transparent, and decentralized global lending market. Our focus lies in developing an institutional private credit protocol that seamlessly connects on-chain lenders with off-chain borrowers.

What we’re looking for:

Currently, we are seeking a Senior Backend Engineer to take charge of designing, developing, and maintaining our backend systems. As a pivotal team member, you will play a key role in ensuring the resilience, scalability, and security of our systems. You’ll collaborate closely with cross-functional teams, including smart contract developers, frontend developers, product managers, and designers, to deliver high-quality software solutions that drive our success. 

What You'll Do:

• Build and contribute to backend systems supporting Qiro products, interacting with different blockchain networks and external systems.
• Design and develop scalable and resilient client-facing backend APIs, internal services, and scripts for efficient execution of business logic.
• Architect and implement scalable backend solutions capable of handling growing user loads and evolving business requirements.
• Develop and maintain comprehensive test suites, including unit tests, integration tests, and end-to-end tests, to ensure the reliability of backend systems.
• Implement monitoring and debugging tools to proactively identify and resolve issues, ensuring high system availability.
• Collaborate with engineers, QA, and DevOps teams to deliver high-quality code within project timelines.
• Document code, APIs, and technical processes to facilitate knowledge sharing within the team and support the onboarding of new developers.

What Makes a Great Candidate:

• Strong experience in Node.js and Typescript, with proficiency in frameworks like ExpressJS (additional stacks may be used based on project requirements).
• Previous work experience in the blockchain/DeFi space, demonstrating a strong technical understanding of the EVM ecosystem.
• Proven expertise in developing backend REST APIs at scale, handling high request volumes while maintaining low latency and optimal system performance.
• Extensive professional experience in software design and architecture.
• Deep knowledge of testing frameworks and principles.
• Passion for exploring new technologies and the ability to autonomously evaluate them, making suggestions for improvement.

Nice to Have:

• Bachelor’s or Master’s degree in Computer Science.
• Smart contract development experience.
• Understanding of real-world asset tokenization on-chain.

Benefits:

• Competitive salary with regular reviews.
• Flexible remote work.
• Flexible working hours.
• Opportunities for professional growth—your success has no limits when you're driven to excel.

If you are excited about the prospect of contributing to our mission and possess the skills and passion we're looking for, we invite you to be a part of our innovative journey at Qiro. Apply now to join a team where success knows no bounds!

Treflo is looking for an Engineering Lead to join our Product Development team and work on the financial revolution triggered by the dawn of Cryptocurrencies and Smart contracts along with us. As Engineering Lead, you will be leading the Tech teams focused on Building Web 3 products along with the Product Team to ensure smooth execution of Specifications, provide engineering and product development inputs, oversee the company's technical team, analyze briefs, identify risks, and develop work schedules. You should be able to work with your team and inspire them to reach their goals. We see successful Leadership as always expanding their industry knowledge and ability to quickly identify problems, understand accountability, and trustworthiness, and be 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. Analyzing existing operations and scheduling training sessions and meetings to discuss improvements. Up to date with industry news and emerging best practices and technologies. Working closely in collaboration with the business, product, and design teams. Provide guidance on best implementation. Product Oriented Thinking - should come up with ideas to improve our product continuously and marshal resources at hand.

Requirements

Bachelor's degree in Computer Science, Software Engineering, Information Technology, or related field. Minimum 4+ years of proven experience in deploying and maintaining Products. Minimum 1+ years of experience building and managing teams. Experience in Web3 stack with a clear understanding of concepts like decentralization, EVM, and cross-chains. Experience with Blockchain development - Smart Contracts, Solidity, Move, Haskell or WASM, etc. Expertise in frontend and backend tech stack - Node JS, Express, Typescript, Solidity, Smart Contracts, ReactJS, Android, Blockchains, Data structures, and Algorithms. Expertise in Databases like MongoDB & MySQL. Experience with solutions like Digital Ocean, Kubernetes, AWS, Docker, etc. Strong leadership, team building, hiring, and organizational abilities.

Desired Skills and Experience Blockchain,JavaScript,Node.js,React.js

F5 is looking for a Sr. Software Engineer with experience in building FIPS-ready cryptography-based security solutions at scale. You will participate in the design and implementation of F5's Edge Computing platform that is used to deploy global, scalable and secure applications. Your work includes, but not limited to, design, implementation, deployment, operational management, and debugging of security services of F5's platform.

Responsibilities:

• Collaborate with architects and business leaders to understand the requirements for providing FIPS-ready cryptography-based security services for F5's platform, design solutions, and implement them
• You will develop software for identity related security foundations of Volterra platform - Identity Management, Key Management, Secure Bootstrapping, Authentication, Authorization, Secrets Management, etc.
• You will perform necessary compliance tasks – including building and executing the test suites – required for making systems and libraries ready for FIPS
• You will vet various open source and closed source technologies, components, libraries, tools etc. and help build a highly available, highly scalable and easily manageable system
• Demonstrate technical leadership in multiple domain areas, providing mentorship to other team members
• Demonstrate leadership by taking responsibility and ownership of software components and deliver a complete product satisfying functional, scale, performance and manageability requirements
• Hands-on coding in multiple languages while considering performance, scalability, maintainability, and flexibility

Minimum Qualifications:

• BS/MS degree in Computer Science or equivalent with 6+ years of software engineering and development experience
• Hands on experience with multiple computer programming languages such as Golang (must), C++, Python, Java
• Hands-on experience with FIPS 140-2 and CMVP
• Ability to implement all phases of a development cycle for a software product from understanding requirements, going through design, development and deploy phases
• Good understanding of complexities and security challenges in large-scale distributed systems
• Good understanding of security concepts like IPSec/TLS, PKI, SAML/OAuth, Key management, etc.
• Experience with Cloud Computing platforms (e.g. Amazon AWS, Microsoft Azure, Google Compute etc.) is a plus
• Working knowledge of Virtualization technologies like KVM, Docker etc.
• Working knowledge of Cloud orchestration systems such as Kubernetes, Openstack etc.
• Excellent written and verbal communication skills
• Strong interpersonal, team building, and mentoring skills

About Us

Aura is developing a platform to help companies/communities mint, buy, trade and sell NFTs in the easiest manner possible. Developing a state of the art store front customized to the community and a user friendly interface to unlock the digital growth of companies in the gaming, art, music, etc space by leveraging the power of NFTs. We are assembling a high performing team from the tech ecosystem to build this product and compete with the likes of NBA TopShot.

Requirements

• Integration of user-facing elements developed by a front-end developers with server side logic
• Building reusable code and libraries for future use
• Optimization of the application for maximum speed and scalability
• Implementation of security and data protection
• Design and implementation of data storage solutions

Skills and Qualifications

• 2+ years of experience in Node.js. Basic understanding of front-end technologies and platforms, such as JavaScript, HTML5, and CSS3
• Good understanding of server-side CSS preprocessors, such as LESS and SASS
• Integration of multiple data sources and databases into one system
• Management of hosting environment, including database administration and scaling an application to support load changes
• Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform
• Implementing automated testing platforms and unit tests
• Proficient understanding of code versioning tools, such as Git
• Proficient understanding of security principles
• Understanding of “session management” in a distributed server environment
• Must have an understanding of SQL and NoSQL databases like Postgres, MySQL, Mongodb etc.
• Must have an understanding of Cloud: AWS or GCP
• Must have a good understanding of data structures and Algorithms

Benefits

• Work on the cutting edge of blockchain technology and the upcoming use-case of NFTs (Non Fungible Token)
• Be a part of an early stage startup with funding from founders of Polygon

At Arcana we are building a privacy centric decentralised data store that allows developers to build more secure and privacy preserving apps for their users.

We are looking to onboard an experienced Golang developer to work on the core protocol we are building. You must:

• Have 3+ years of development experience
• Have 3+ years of Golang development experience in production
• Have worked on distributed systems in production
• Have experience with Goroutine and channels
• Have experience with applied cryptography
• Write clean code and documentation
• Have clear bias for TDD
• Find Git very easy to use
• Have knowledge of Unix/Linux fundamentals - shell scripting, CLI tools etc.
• Have some knowledge of devops
• Have some blockchain experience

Role: Blockchain Developer with .Net

Roles and Responsibilities:

1. Must be proficient in developing object-oriented applications
2. Must have hands on experience on C# & WebAPI.
3. Participate in troubleshooting and training of issues with different teams to drive towards root cause identification and resolution.
4. Participate in technical communication within the team and to other groups, prepare technical design documents.
5. Must have a basic hands on experience on Ethereum Blockchain and Solidity
6. Good to have exposure to Azure.
7. Positive attitude, Smart work, problem solving attitude, ready to upgrade skills with latest technologies
8. Developing technical specifications.
9. Drafting software and application operating procedures.
10. Training junior staff.
11. Good verbal and written communication skills

Required Blockchain(Ethereum) Experience: 3 to 6+ Months

Required C#, .Net Experience: 2+ year

Overall Experience: 2 – 3 years

Industry: https://www.naukri.com/it-software-jobs">IT-Software / https://www.naukri.com/software-services-jobs">Software Services

Functional Area: https://www.naukri.com/it-software-qa-&;-testing-jobs">IT Software – Development and Maintenance

Role Category: Programming & Design

Employment Type: Permanent Job, Full Time