Blockchain Developer at Gravity Engineering Services Pvt Ltd · Delhi, Gurugram, Noida, Ghaziabad, Faridabad, Mumbai, Pune, Kolkata, Bengaluru (Bangalore), Hyderabad, Chennai · 1 - 10 years · ₹6L - ₹40L / yr · Profitable · Posted 30 Sep 2026

We are hiring a Blockchain Developer to build secure smart contracts and decentralised applications.
Responsibilities
- Write and audit Solidity smart contracts
- Build dApps with Web3.js or Ethers.js
- Test and deploy contracts with Hardhat or Foundry
- Optimise gas usage and contract security
Requirements
- 1+ years of Solidity development
- Experience deploying contracts on Ethereum or EVM chains
- Strong understanding of smart-contract security

About Gravity Engineering Services Pvt Ltd
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Senior Blockchain Developer
Location: India, Remote
Employment Type: Full-Time / Contract
Department: Engineering
About Us
OpenAssets is building open standards for the next generation of capital markets, providing the trusted foundation for real-world asset tokenization and digital currencies.
We specialize in alternative asset digitization, offering regulatory-conscious tools to design, issue, and manage digital assets in complex financial environments. We also develop loyalty solutions that turn customer engagement into programmable digital assets, helping brands create personalized experiences that drive growth.
OpenAssets operates at the intersection of finance, technology, and regulation focused on building secure, scalable, and open infrastructure for the future of digital markets. Join OpenAssets and be part of shaping the future of digital finance!
Overview
We are seeking a Blockchain Developer to lead the technical implementation of our Web3 infrastructure. In this role, you will be responsible for the end-to-end lifecycle of smart contracts and their integration into our broader financial ecosystem. You will act as a technical authority on blockchain security, scalability, and architecture, ensuring our platform meets the rigorous demands of institutional digital finance.
What You’ll Do
Smart Contract & Blockchain Development
- Design, develop, test, and deploy smart contracts and blockchain applications.
- Build and maintain secure, scalable backend services for blockchain products.
- Develop and maintain cross-platform applications that integrate with on-chain infrastructure.
- Integrate wallets, payment systems, and blockchain APIs with existing systems.
- Optimize for gas efficiency, transaction latency, reliability, and scalability.
Security & Quality
- Implement and uphold best practices for blockchain security and smart contract auditing.
- Review smart contracts and backend code for security vulnerabilities and performance issues.
- Support audits, security reviews, and production releases.
- Maintain high test coverage and disciplined release processes.
Collaboration & Communication
- Collaborate with product and engineering teams to define and deliver technical requirements.
- Communicate technical concepts clearly to both technical and non-technical stakeholders.
- Mentor junior engineers and contribute to a strong engineering culture.
- Stay current with emerging blockchain technologies, DeFi, and Web3 infrastructure trends.
Qualifications & Experience
- Experience: 3+ years of software engineering experience with at least 3+ years of hands-on blockchain/Web3 development.
- Blockchain Core: Strong experience with Solidity and EVM-compatible chains (Ethereum, Polygon, and others).
- Production Deployment: Proven track record building, testing, deploying, and maintaining smart contracts in production.
- Deep Technical Knowledge: Solid understanding of blockchain architecture, including consensus mechanisms, gas optimization, wallet flows, token standards, and transaction lifecycles.
- Full-Stack Proficiency: Good understanding of the MERN stack (MongoDB, Express.js, React, Node.js) and how full-stack applications integrate with blockchain infrastructure.
- Backend Expertise: Proficiency in Node.js and TypeScript with experience building RESTful backend applications.
- Testing & Tooling: Experience with smart contract and backend testing frameworks (e.g., Foundry, Hardhat, Mocha, Jest) and Web3 libraries like Ethers.js or Web3.js.
- Cloud Infrastructure: Hands-on experience with AWS, including deploying, managing, and scaling services like EC2, S3, Lambda, and RDS.
- Databases & DevOps: Comfortable with relational (PostgreSQL) and non-relational (MongoDB) databases, Git, and collaborative development workflows.
- Soft Skills: Strong communication skills in English with the ability to articulate technical concepts to diverse stakeholders.
Nice to Have
- Familiarity with the Move language (Sui, Aptos).
- Experience with smart contract audit tooling such as Slither, Mythril, or Manticore.
- Exposure to RWA tokenization, DeFi, stablecoins, NFTs, staking, or bridging protocols.
- Professional background in fintech, payments, or regulated blockchain use cases.
We are committed to providing equal opportunity for qualified applicants to contract positions, regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status. This is a contract opportunity, not a direct employment role.
Full-Stack Software Engineer | Remote
We're hiring a product-focused Full-Stack Engineer to join a small, fast-moving tech team. This is a hands-on role you'll build complete features across frontend, backend, APIs, databases, deployment, and increasingly, AI-assisted workflows.
What You'll Do:
- Build and ship full-stack features using modern JS/TypeScript, plus Java or Node.js on the backend
- Work across frontend, backend, APIs, databases, integrations, and deployment
- Apply secure engineering practices (auth, input validation, secrets, dependencies)
- Use AI tools for coding, debugging, testing, and code review
- Explore AI agents, tool calling, and MCP-based integrations
What We Need:
- 3+ years of professional software engineering experience
- Strong JS/TypeScript skills; experience with Angular or React
- Backend experience with Java, Node.js, or similar
- Comfortable with REST APIs, databases, Git, cloud environments
- Awareness of OWASP principles and application security
- Interest/experience in AI dev tools, Docker, CI/CD
Role Overview
We are looking for a Senior Full Stack Developer to build and scale our fintech platform. You will own the entire lifecycle of our financial products, from designing high-performance relational schemas in PostgreSQL to building interactive dashboards in React.
Key Responsibilities
• Full Stack Development: Build and maintain end-to-end features using the PERN stack
(PostgreSQL, Express.js, React, Node.js).
• Database Optimization: Design complex relational models and optimize SQL queries to
handle high-volume financial data and audit trails.
• Security & Compliance: Implement rigorous security measures (e.g., JWT, OAuth, data
encryption) and ensure the platform adheres to fintech standards like PCI-DSS.
• API Architecture: Develop robust RESTful APIs to integrate with third-party banking APIs,
payment processors (Stripe/Plaid), and KYC providers.
Technical Requirements
• Front-end: Advanced proficiency in React.js (Hooks, Context API, Redux or TanStack Query)
and modern CSS (Tailwind/Styled Components).
• Back-end: Expert-level Node.js and Express.js experience, with a focus on asynchronous
programming and secure API design.
• Database: Deep knowledge of PostgreSQL (complex joins, indexing, triggers, and
migrations).
Additional skills
• Understanding of Event-Driven Architecture (using AWS SQS/SNS or Kafka).
• Familiarity with SOC2 or ISO 27001 compliance frameworks.
• Cloud (AWS): Proven experience with:
- RDS/Aurora for managed databases.
- IAM for secure access management.
- AWS Lambda & API Gateway for serverless architecture.
- CloudWatch for monitoring and alerting.
• Tools: Git, Docker, and experience with CI/CD workflows.
About US
RJ Fintech Solutions Pvt. Ltd. is a high-growth fintech startup on a mission to automate business financial operations. In a world where financial systems are often slow and opaque, we are building the "missing link"—a secure, transparent, and lightning-fast platform that puts banking and compliance first for various corporates.
We are not just another financial app; we are an engineering-first company. We believe that elegant code and robust architecture are the foundations of trust. By leveraging the PERN stack and AWS cloud-native infrastructure, we are replacing legacy complexity with modern, scalable solutions.
Why Work With Us?
1. Build the Foundation, Not Just Features
You won't be a small cog in a massive machine. As an early member of our engineering team, you will help define our technical architecture, choose our libraries, and set the coding standards for everyone who follows. Your fingerprints will be on the core DNA of our product.
2. Solve Problems That Matter
Fintech is one of the few industries where code has a direct, measurable impact on people's lives.
Whether we are [e.g., simplifying cross-border payments, democratizing investment, or building the next generation of credit], you will be solving high-stakes challenges around security, trust, and financial inclusion.
🔧 Skills Required:
✅ ASP.NET Core (Latest LTS)
✅ REST APIs & Microservices
✅ Angular / ReactJS
✅ Azure DevOps CI/CD
✅ OAuth2 & Azure AD
✅ HTML5, CSS3, JavaScript/TypeScript
✅ Azure App Services, Azure SQL, Key Vault
⭐ Good to Have:
➕ Node.js exposure
➕ GitHub Copilot experience
Why Join Amazech?
✨ Work with cutting-edge technologies
✨ Collaborative and growth-oriented culture
✨ Opportunity to work on enterprise-scale projects
✨ Be part of a fast-growing global organization
Interested candidates can share their resumes via DM or email at [your email ID].
Please feel free to like, comment, or share within your network.
#Hiring #DotNetDeveloper #FullStackDeveloper #ASPNetCore #Angular #ReactJS #Azure #Microservices #BangaloreJobs #ITJobs #TechHiring #Amazech #AzureDevOps
About AimInfologics
AimInfologics is a software development company based in Gujarat, India. We build mobile apps, web platforms, SaaS products, AI integrations, automation systems, and custom software solutions for clients in India and international markets.
We are looking for a Full Stack Developer who has strong hands-on experience with Node.js and Next.js and can work on real client projects with ownership.
Role: Full Stack Developer – Node.js & Next.js
Job Type: Full-time
Location: Ahmedabad, Gujarat / On-site
Experience: 2–5 years preferred
Salary: As per experience and practical skill level
Role Description :
The selected developer will work on web applications, admin panels, APIs, SaaS platforms, CRM systems, dashboards, and AI-integrated software products.
This role is suitable for someone who can handle both frontend and backend work, understand requirements properly, write clean code, debug issues, and deliver features with proper quality.
We are not looking for someone who only knows basic tutorials. We need someone who has worked on real projects and can take responsibility for modules independently.
Key Responsibilities
• Develop and maintain web applications using Next.js
• Build backend APIs using Node.js and Express.js
• Work with MongoDB and database-driven application logic
• Create clean, responsive, and user-friendly frontend screens
• Integrate third-party APIs, payment gateways, AI APIs, CRM tools, and cloud services when required
• Write clean, reusable, and maintainable code
• Debug bugs, performance issues, and production-level problems
• Coordinate with UI/UX designers, backend developers, mobile developers, and project managers
• Understand client requirements and convert them into working features
• Use Git properly for code management and team collaboration
• Deploy or support deployment on platforms such as Vercel, AWS, or similar environments
Required Skills
• Strong experience with Node.js
• Strong experience with Next.js and React.js
• Good knowledge of JavaScript and TypeScript
• Experience with MongoDB and database design basics
• Good understanding of REST APIs
• Experience with Express.js or similar backend frameworks
• Ability to integrate third-party APIs
• Good understanding of authentication, authorization, JWT, roles, and permissions
• Basic understanding of cloud deployment, Vercel, AWS, Nginx, or PM2 is a plus
• Good debugging and problem-solving skills
• Ability to write clean and structured code
• Basic understanding of UI/UX and responsive design
• Good communication and team coordination skills
Good to Have
• Experience with AI API integrations such as OpenAI or similar tools
• Experience with payment gateways
• Experience with SaaS, CRM, ERP, dashboards, or admin panel development
• Experience with server deployment and production issue handling
• Experience working with international client projects
Who Should Apply
Apply only if you are serious about full-time work and can take ownership of development tasks.
This role is best for someone who wants to grow as a strong full stack developer and work on real business applications, SaaS products, AI-based systems, and international client projects.
Hiring Process
- Profile screening
- Technical interview
- Practical task / code review
- Final discussion
While applying, please mention:
• Your total experience
• Projects you have worked on using Node.js and Next.js
• Current salary
• Expected salary
• Notice period
• GitHub / portfolio link, if available
What role will you play?
As a Full Stack Engineer, you will play a pivotal role in our development team, bridging the gap between the visual elements and the server-side infrastructure. You will be instrumental in developing full-fledged, scalable applications by combining the art of design with the science of programming. With your expertise in both front-end and back-end technologies, you will ensure the entire stack is designed and built for speed and functionality.
Your day to day will involve designing and developing dynamic, high-quality web applications, leveraging the Node.js and python for the back end services and React/Angular for the front end. Close collaboration with UI/UX designers will be essential, allowing you to bring web designs to life while ensuring high performance and responsiveness. Additionally, you will actively participate in coding, debugging, and testing to deliver reliable solutions whilst also working closely with other developers, designers, and product managers, fostering a collaborative environment to meet project goals and deadlines effectively.
What you offer
- Proficiency in Typescript and a good understanding of React
- Solid experience with the Node.js, including the ability to develop RESTful APIs
- Experience with containerisation of service using Docker
- Knowledge of modern authorisation mechanisms, such as JSON Web Token (JWT)
- Familiarity with SQL databases, such as PostgreSQL
- Experience with Kafka or other event driven tools and tech
- Nice to have some experience integrating with LLMs through open AI, Gemini etc.
- Nice to have exposure to AI tooling – Claude, Copilot, Cursor etc.
- AWS experience is a nice to have
Job Title: Full Stack Developer(.NET Core)
Work Location: U.S Complex, Adjacent to Jasola Apollo Metro Station, Mathura Road New Delhi-110076
Background of the Role:
We, Infinity Assurance specialize in Warranty Service Administration, Extended Warranty, Accidental Damage Protection and a wide range of service products under our own brand “InfyShield.” Our offerings cover Mobile Phones, Home Appliances, Consumer Electronics, IT Equipment, Office Automation, AV Solutions, Classroom and Conference Room Technologies, Kitchen Appliances and more.
· We have a very extensive Enterprise grade End to End Business Management Software Application that is unmatched in the industry.
· The application has multiple Sub-applications and functionalities including Sales, Insurance Claims, Warranty Claims, Payments, Collections, Approvals, Billing / Invoicing, Payment / Tax / Bank Reconciliations, Partners Management, HRMS, Client Management etc. to suite end to end business needs of any enterprise.
· The application also has multiple integrations for Payment gateways, Voice calls, Video Calls, SMS, emails, WhatsApp, client applications, courier, Maps and databases, etc.
· To fuel our growth, we are inviting Backend Developers with expertise in .NET core, secure API development, and AI orchestration to build and scale a next-generation multi-tenant verification platform,
· We are building our software development team to execute new business growth plans and a fresh product roadmap.
· This position requires talents who are multi-skilled with hands-on experience; to work independently as well as in teams.
· Ideal candidates will be responsible to design, modify, develop, write, and implement software applications and components.
· Our technology processes documents and images across warranty, insurance, claims, and identity workflows—where trust, precision, and fraud prevention are paramount.
Key Responsibilities
· Assist in building multi-tenant backend services for verification and workflow-based applications.
· Integrate internal services with external APIs (e.g., government, financial, or partner systems) using REST API
· Develop and maintain ASP.NET Core Web APIs,
· Following best practices for security, performance, and code quality.
· To Work with relational databases to store, query, and optimize data using Entity Framework Core.
· Follow defined security and data-handling guidelines, including data masking or redaction mechanisms.
· Debug issues, fix bugs, and assist in production support
· Write clean, maintainable code and participate in code reviews.
Required Skills
· Working knowledge of C# and ASP.NET Core (Web API), JavaScript, jQuery
· Hands-on experience with Entity Framework Core and relational databases
· Core experience with REST APIs;
· Understanding of asynchronous programming in .NET
· Hands-on experience in MSSQL database
· 4–5 years of experience in backend or full-stack development using C# and ASP.NET Core
· Bachelor’s degree in Computer Science, IT, Electronics, or a related discipline
Desired Candidate Profile
· Prior experience in fintech, verification, or workflow-based platforms
· Comfortable working with existing codebases and learning enterprise patterns
Important Notes & Perks:
· Attractive pay structure as per the Market Standards
· Huge career growth opportunity
· Preference will be given to candidates who can join early
· Should have worked in small teams with multi-skilled resources
· This is a full-time, work-from-office opportunity (Preference will be given to candidates who are interested in Monday to Saturday; 6 days a week)
· Applications may be submitted via google form as per the link: https://forms.gle/XesCaxtoKos1wj8m8
About us:
We, Infinity Assurance Solutions Private Limited (https://www.infinityassurance.com; https://www.infyshield.com; https://www.infyvault.com ); a New Delhi-based portfolio company of Indian Angel Network, Aegis Centre for Entrepreneurship, Artha Venture Fund, and other marquee industry veterans.
We specialize in Warranty Service Administration, Extended Warranty, Accidental Damage Protection and various other service products for wide range of Mobile Phones, Home Appliances, Consumer Electronics, AV Solutions, Classroom / Conference-room Solutions, Kitchen Appliances, IT, Office automation, Personal Gadgets etc.
Incorporated in January 2014; as a debt-free, operationally profitable with positive net retained earnings, we have grown rapidly. Going forward, we are looking to grow multi-fold with newer areas of business expansion.
Our success is attributed to a very agile and technologically driven unique service delivery model, loyal long-term clients, in-house application, and lean organization structure.
Key Responsibilities:
Design, develop, and maintain full stack applications using Azure, React, Node.js, C#, and .NET. Build and manage CI/CD pipelines to streamline deployment and automate testing processes.
Develop infrastructure as code (IaC) with Terraform to manage and provision resources in the Azure environment. Ensure application scalability, security, and performance across all layers of the stack.
Work closely with cross-functional teams to translate business requirements into technical specifications.
Troubleshoot, debug, and enhance existing applications to optimize performance.
Implement best practices for cloud security, data protection, and compliance within Azure services.
Conduct code reviews and provide technical mentorship to junior developers as needed.
Required Skills & Qualifications:
Experience: 5+ years of full stack development experience, with a strong focus on Azure cloud.
Frontend: Proficient with React.js, building and optimizing web interfaces.
Backend: Solid knowledge of Node.js, C#, and .NET for building robust backend applications.
Cloud Infrastructure: Experience with Azure services, deployment, and scaling applications on Azure.
Infrastructure as Code (IaC): Hands-on experience with Terraform for Azure resource management.
CI/CD: Proficient in setting up and maintaining CI/CD pipelines using Azure DevOps or similar tools.
Database: Familiarity with Azure SQL, Cosmos DB, or other databases for full stack applications.
Best Practices: Strong understanding of software development best practices, including security, testing, and DevOps.
Preferred Qualifications: Azure certifications (e.g., Microsoft Certified: Azure Developer Associate or Azure Solutions Architect).
Experience with other front-end frameworks, containerization (Docker, Kubernetes), or serverless architecture. Familiarity with Agile methodologies and tools like Jira or Confluence.
About Role
Full Stack Developer – .NET Core & React
Key Responsibilities
- Design, develop, and maintain scalable web applications using .NET Core (ASP.NET Core) and React.js.
- Build and consume RESTful APIs and microservices.
- Develop responsive and user-friendly front-end applications using React.js.
- Collaborate with business stakeholders, product owners, and technical teams to gather requirements and translate them into effective technical solutions.
- Write clean, maintainable, and high-quality code following industry best practices.
- Participate in code reviews, design discussions, and technical planning.
- Deploy, manage, and troubleshoot applications running on Kubernetes.
- Work closely with DevOps teams to support CI/CD pipelines and release activities.
- Optimize application performance, scalability, and reliability.
- Troubleshoot and resolve production issues and provide ongoing application support.
- Contribute to technical documentation and knowledge-sharing initiatives.
Required Skills
- 2–7 years of software development experience.
- Strong hands-on experience with C# and .NET Core / ASP.NET Core.
- Strong experience in React.js development.
- Experience building REST APIs and microservices.
- Hands-on experience with Kubernetes.
- Experience with SQL Server or other relational databases.
- Good understanding of Git version control and CI/CD practices.
- Strong problem-solving and debugging skills.
- Excellent communication and stakeholder management skills.
Good to Have
- Experience with AWS services such as:
- EC2
- EKS
- S3
- Lambda
- CloudWatch
- IAM
- Experience with Docker and containerized application deployment.
- Exposure to Agile/Scrum development methodologies.
We’re Hiring | Full Stack Developer
About MotionGility
MotionGility is building India's first AI-powered SaaS platform that automates explainer video production for SaaS/AI companies. We combine a Full AI tools stack into a single pipeline that takes a client's product brief and delivers a complete explainer video — script, illustrations, voiceover, and animation — in under a few minutes. We have 11 years of agency experience producing 500+ SaaS explainer videos and we are now building the platform that does this at scale, with AI.
This is an early-stage product role. You will be the first full-time developer on the team, working directly with the founders
Position: Full Stack Developer
Location: Indore (Onsite)
Type: Full-time
Experience: 2-3 Years
Notice Period: Immediate Joiner or Up to 30 Days Notice Period Accepted
Key Responsibilities
- Build and maintain the client-facing SaaS platform using React, Next.js, TypeScript, and Supabase.
- Develop project dashboards, approval workflows, and video delivery interfaces.
- Implement authentication, authorization, and role-based access control.
- Integrate payment gateways and third-party AI APIs.
- Build real-time project tracking and notification systems.
- Ensure application performance, scalability, and responsive design.
- Collaborate directly with founders on product development and technical decisions.
Tech Stack
Frontend: React, Next.js, TypeScript, Tailwind CSS
Backend: Supabase (PostgreSQL, Auth, Storage, Realtime, Edge Functions)
Payments: Razorpay
Automation: n8n Cloud
Deployment: Vercel / Netlify
AI Integrations: OpenAI, ElevenLabs, Recraft V3, Runway Gen-3, GPT Images, Nano Banana, Higgsfield, and related AI APIs
Requirements
Must-Have Skills
- Minimum 2 years of experience building and shipping React applications.
- Working knowledge of TypeScript and modern frontend development.
- Experience with SQL, PostgreSQL, or Supabase databases.
- Experience integrating at least one payment gateway in a production project.
- Ability to showcase at least one live deployed product built personally.
Preferred Skills
- Experience with Next.js (App Router and API Routes).
- Hands-on experience with Supabase Auth, RLS policies, and Realtime features.
- Prior experience in a startup or early-stage SaaS environment.
- Strong product thinking and problem-solving mindset.
This Role Is Not Suitable If
- You require detailed specifications before starting development.
- You cannot demonstrate a live product you have built.
- You depend heavily on senior developers for technical decisions.
- You prefer backend or infrastructure-focused roles over product development.
What You'll Gain
- Direct mentorship from experienced founders.
- Ownership of the complete client-facing product.
- Exposure to cutting-edge AI technologies and workflows.
- Flexible working culture focused on outcomes.
- Opportunity for ESOPs based on performance and contribution.
- Fast career growth with potential progression into leadership roles.






