Amazon Web Services (AWS)
MongoDBSenior Full Stack Developer
Location: India, Remote
Employment Type: 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 design regulatory-conscious solutions for alternative asset digitization and loyalty programs, enabling organizations to create secure, scalable digital assets and personalized engagement experiences.
Join OpenAssets and help shape the future of digital finance!
Overview
OpenAssets is seeking a Senior Full-Stack Developer to own end-to-end delivery across our multi-tenant platform. This is a hands-on engineering role spanning the full MERN stack: MongoDB schemas, Node.js services, and React.js operator and investor interfaces with working knowledge of EVM-based blockchain systems to support on-chain integrations.
The ideal candidate brings deep experience designing and shipping production systems end-to-end, optimizing backend and frontend performance, integrating with EVM blockchains, and mentoring engineers in a distributed, fast-moving environment.
What You'll Do
- Design, develop, and maintain full-stack web applications across the MERN stack: MongoDB, Express.js, React.js, and Node.js using TypeScript on both client and server
- Build and maintain RESTful APIs with consistent error handling, pagination, versioning, and authentication
- Model, index, and optimize MongoDB schemas using compound indexes, aggregation pipelines, and transactions on replica sets
- Develop responsive React.js user interfaces using modern patterns including hooks, state management, and component-level testing
- Implement authentication and authorization using JWT and role-based access control with secure middleware patterns and OWASP-aligned input validation
- Integrate with EVM-based blockchain systems (Ethereum, Polygon, Arbitrum, Base), including wallet interactions, transaction lifecycle handling, and on-chain/off-chain reconciliation
- Deploy and operate services on AWS using Docker and CI/CD pipelines, with structured logging, monitoring, and on-call participation
- Write automated tests (unit, integration, end-to-end) using Jest, Mocha, Supertest, or similar frameworks
- Conduct code reviews, mentor mid-level engineers, and contribute to engineering documentation and best practices
- Collaborate with product, design, and engineering leadership across time zones to scope features, define API contracts, and deliver end-to-end
Qualifications & Experience
- 8+ years of full-stack development experience
- Strong expertise in MongoDB, Express.js, React.js, Node.js, and TypeScript across both client and server
- Experience designing and operating RESTful APIs and frontend integrations at scale
- Hands-on experience with MongoDB data modeling, compound indexes, aggregation pipelines, and replica-set transactions
- Proficiency in:
- JWT/OAuth-based authentication and role-based access control
- Secure middleware patterns and OWASP-aligned input validation
- Pagination, query optimization, and performance tuning
- Experience integrating with EVM-based blockchain systems (Ethereum, Polygon, Arbitrum, Base), including wallet interactions, transaction lifecycle handling, and on-chain/off-chain reconciliation
- Hands-on experience with AWS infrastructure (EC2, ECS, Lambda, S3, CloudWatch, IAM)
- Familiarity with Docker, GitHub Actions, and modern CI/CD workflows
- Experience writing automated tests across unit, integration, and end-to-end layers using Jest, Mocha, Supertest, Playwright, or Cypress
- Solid understanding of backend and frontend security practices
- Strong ownership mindset and accountability
- Ability to drive technical execution independently and mentor mid-level engineers
- English fluency
Nice to Have
- Fintech, capital markets, or payments experience
- MongoDB Atlas certification or replica-set tuning expertise
- EVM developer tooling (ethers.js, Hardhat, Foundry)
- Tokenized securities or on-chain asset issuance
- Multi-tenant SaaS architecture
- Event-driven systems (Kafka, SQS, BullMQ)
- GraphQL
- Performance engineering (keyset pagination, caching, Redis)
- Distributed tracing (OpenTelemetry)
- Infrastructure as code (Terraform, Pulumi, CDK)
- Open-source contributions or technical writing
- CS-related Bachelor's degree
- AWS certifications
- Prior remote-first startup experience.
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.
Shubham Vishwakarma
Full Stack Developer - Averlon
About OpenAssets Inc
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Follow CutshortShubham Vishwakarma
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