
Senior Backend Engineer (Node.js, AI-Native) 7 – 10 yrs IIT only on I
at Staffnixcom
Strong Backend Node.js Developer Profile
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Mandatory (Experience 1) – Must have 7+ years of hands-on Backend Engineering experience using Node.js building production-grade systems for B2C products at meaningful consumer scale
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Mandatory (Experience 2) – Must be AI-native in their own engineering workflow: already uses LLMs and agentic tooling across the SDLC, from design and code generation through testing and debugging
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Mandatory (Experience 3) – Must have owned backend architecture end to end, including greenfield builds. Should be able to make early architecture calls and reason clearly about service boundaries, data flow, caching, queueing, failure modes, scalability, and reliability trade-offs under real constraints.
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Mandatory (Experience 4) – Must have a solid understanding of backend fundamentals, including API development, service-oriented architecture, data structures, algorithms, and clean coding practices
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Mandatory (Experience 5) – Must have experience designing, building, and maintaining APIs and backend services, including integrations with external systems and third-party platforms
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Mandatory (Experience 6) – Must have strong experience working with databases (SQL and/or NoSQL), including efficient data modeling, query optimization, and performance tuning
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Mandatory (Company) – Must have worked in B2C product companies / startups at meaningful consumer scale. (WealthTech, FinTech, or high-growth consumer product background is highly preferred)
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Mandatory (Stability) – Must have a stable career history, with consistent tenure across previous companies; frequent job-hopping will not be considered
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Mandatory (AI Product) – Must have experience building and shipping products that use LLMs and agentic workflows to end users.
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Mandatory (College) – ) - B.Tech or Dual degree (Btech and Mtech or Integrated Msc/MS) from Tier 1 Engineering Institutes (IITs, not NITs). Candidates from other institutions will not be considered unless they come from top top-tier product companies
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Mandatory (Compensation Alignment) – Candidate must be comfortable with the compensation structure where the company matches their current CTC and provides ESOPs, without any salary hike

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* Strong practical knowledge and interest in modern AI tools.
* Genuine curiosity and willingness to continuously learn.
* Ability to research, experiment, implement, troubleshoot and improve independently.
* Good understanding of prompting and AI workflows.
* Strong problem-solving mindset.
* Basic understanding of APIs, integrations and automation.
* Ability to explain technology clearly to non-technical people.
* Comfortable using AI to solve real-world business problems.
Backend Architect:
Technology: node js, DynamoDB / Mongo DB
Roles:
- Design & implement Backend Services.
- Able to redesign the architecture.
- Designing & implementation of application in MVC & Microservice.
- 9+ years of experience developing service-based applications using Node.js.
- Expert-level skills in developing web applications using JavaScript, CSS and HTML5.
- Experience working on teams that practice BDD (Business Driven Development).
- Understanding of micro-service architecture and RESTful API integration patterns.
- Experience using Node.js for automation and leveraging NPM for package management
- Solid Object Oriented design experience, and creating and leveraging design patterns.
- Experience working in a DevOps/Continuous Delivery environment and associated toolsets (i.e. Jenkins, Puppet etc.)
Desired/Preferred Qualifications :
- Bachelor's degree or equivalent experience
- Strong problem solving and conceptual thinking abilities
- Desire to work in a collaborative, fast-paced, start-up like environment
- Experience leveraging node.js frameworks such as Express.
- Experience with distributed source control management, i.e. Git
• Overall 4+ years of experience
• 2 year development experience in NodeJs(v4 and above)
• Knowledge in Unit testing frameworks like Mocha
• Experience in working with any NodeJs web framework(Express or Hapi)
• Development experience using any persistent store (NoSql or Relational) Formal Deliverables
• Design and development of new and enhance existing applications using Node.JS
• Collaborate with internal and external team members to ensure projects get delivered as planned
• Develop Backend services using HapiJs
• Develop background workers based on cron or rabbitmq messages
• Support existing and new features via bug fixes, prod support or monitoring scripts
• Unit testing for all the developed modules
About Us
Instavans is a Logistics tech startup focused on the development of SaaS products for the Road Trucking industry. Instavans has built and rolled out SmarTruck™, a SaaS based TMS with a private marketplace. SmarTruck has customers in India & the MENA region and is poised to enter Latam and Sub-saharan Africa.
The company’s innovative go-to-market plan involves working with large Shippers and 4PLs (Fourth Party Logistics Service Providers) to synergistically bring their Carriers on board.
We are looking for people to help us supercharge our growth, while we continue to embody the values that have got us so far already. As we are a rapidly growing company you will gain exposure to all areas of the platform, understanding the key success drivers at an engineering team and gaining invaluable experience for your future career. Success in this role will lead to opportunities for growth across the entire engineering team with significant scope for future development.
We have openings in Frontend (Angular 8+), Backend(Node.js), Android (Kotlin) and QA (Automation)
Designation: Backend Developer
Location: Mumbai (Currently Remote)
Principal Accountabilities:
- Develop, Enhance, and Modify Applications for a Global Market Environment.
- Design, Code, Test, Debug, and Document programs for corporate systems architecture.
- Work closely with Business stakeholders to define requirements for system applications
Work Dimensions:
- API integration, Application deployment, Test Driven Development & Agile methodologies
- Database designing ; (Knowledge of NoSQL databases is a plus).
- Familiarity in Unix/Linux development environments & tools including scripting.
- Designing system architecture for solving complex problems with a sound understanding of object-oriented programming and design patterns.
Work Context:
- A fast moving, high growth, entrepreneurial environment.
- Need to work on Git and work in a highly collaborative environment.
- Timely reporting is required.
- Must typically have in-depth knowledge of development tools and languages
- Ensure full legal and ethical compliance and conduct of business at all times and under all circumstances
- Attention to detail needed to maintain a global standard of work output
- Supervise, mentor, coach a small team of associates on a day to day basis for better management of their performance.
Role requirements:
- 2 to 6 years of experience in the IT industry
- 2+ years of experience in NodeJS
- Graduate degree (B.Tech/ BSc. IT) in IT/Engineering/Computer Science
- Strong problem-solving abilities
- Good communication skills.
- A good team player
Responsibilities:
- Build scalable, service oriented web applications from scratch for technology products for European market.
- Maintain these applications for accuracy and high availability.
- Continuously identify opportunities to improve system designs, architecture and implementation standards
- Participate with founding, business and product teams in discussions on how to build and launch new modules.
- Collaborate across functions and own the planning, estimation and execution for parts of the product.
- Start as an individual contributor but stay ready to build and mentor a small team of up to 5 engineers over the coming months and years.
- Contribute in hiring highly ambitious engineers as the team grows.
- Being among the first people on the engineering team, be a culture driver.
Requirements:
- Experience of architecting and building products/business critical backend applications using different MVC frameworks.
- Experience with microservices.
- Experience of building and maintaining scalable applications using Node.js/MEAN stack.
- Experience of deploying and maintaining web applications.
- Experience with non relational databases like MongoDB.
- Understanding of relational databases like MySQL.
- Familiarity with REST APIs and stress testing tools.
- Good communication skills.
- Exposure in building polyglot applications.
- Exposure for devops and related processes, preferably GCP.
- Knowledge of components in scalable solutions i. e. database partitions, message brokers, background processing.
- Exposure to basic frontend technologies to speed up collaboration with the frontend team.
Node js
Job Description
We are looking for a Node.js Developer responsible for managing the interchange of data between the server and the client. Your primary focus will be the development of all server-side logic, definition, and maintenance of the central database, and ensuring high performance and responsiveness to requests from the client end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.
Roles and Responsibilities
- Integration of user-facing elements developed by front-end developers with server-side logic.
- Writing reusable, testable, scalable, and efficient code.
- Design and implementation of low-latency, high-availability, and high-performance applications.
- Implementation of security and data protection.
- Integration of data storage solutions { databases, key-value stores, blob stores, etc.}
- Familiarity with database Technology Such as MySQL, Oracle, and MongoDB.
Desired Candidate Profile
- Strong proficiency with JavaScript
- Knowledge of Node.js and frameworks available for it {such as Express etc }
- Knowledge of Micro Services Architecture and API Gateway.
- Understanding the nature of asynchronous programming and its quirks and workarounds.
- Good understanding of server-side templating languages {such as PUG, Jade, EJS, etc }
- Good understanding of server-side CSS preprocessors {such as SCSS, SASS, etc }
- Basic understanding of front-end technologies, such as HTML5, CSS3, and DOM manipulation.
- Understanding accessibility and security compliance
- User authentication and authorization between multiple systems, servers, and environments.
- Integration of multiple data sources and databases into one system
- Understanding fundamental design principles behind a scalable application
- Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform
- Creating database schemas that represent and support business processes
- Implementing automated testing platforms and unit tests
- Proficient understanding of code versioning tools, such as Git
- Strong knowledge of Linux operating systems such as Ubuntu, CentOS.
- Basic knowledge of Cloud machines such as Elastic compute.
- Basic knowledge of Cloud Storage such as AWS S3, etc
write REST API,s and integrate with UI









