Software Engineer - III - Node.Js

Job Title: Lead Backend Developer

Location: Bengaluru, India 

iAI Solution Pvt Ltd (https://iaisolution.com/),operates at the edge of applied AI where foundational research meets real-world deployment. We craft intelligent systems that think in teams, adapt with context, and deliver actionable insight across domains.

Position Summary:

• We are looking for a Lead Backend Developer with 4+ years of professional experience in Python-based development, especially using FastAPI and MongoDB. The ideal candidate is skilled in building and maintaining scalable, high-performance back-end services and APIs, has strong understanding of modern database design (SQL & NoSQL), and has experience integrating backend services with cloud platforms.
• Experience or interest in AI/ML projects is a strong plus, as our products often interface with LLMs and real-time AI pipelines.
• Key Responsibilities:
• Design, build, and maintain robust backend services using Python and FastAPI.
• Develop and maintain scalable RESTful APIs for internal tools and third-party integrations.
• Work with MongoDB, PostgreSQL, and Redis to manage structured and unstructured data efficiently.
• Collaborate with frontend, DevOps, and AI/ML teams to deliver secure and performant backend infrastructure.
• Implement best practices in code architecture, performance optimization, logging, and monitoring.
• Ensure APIs and systems are production-ready, fault-tolerant, and scalable.
• Handle API versioning, documentation (Swagger/OpenAPI), and error management.
• Optimize queries, indexes, and DB schema for high-performance data access.
• Maintain clean code with emphasis on object-oriented principles and modular design.
• Troubleshoot production issues and deliver timely fixes and improvements.

Qualifications:

• Overall Experience: 4+ years in backend software development.
• Python: Strong proficiency with object-oriented programming.
• Frameworks: Hands-on experience with FastAPI (preferred), Django.

Databases:

• MongoDB: Experience with schema design, aggregation pipelines, and indexing.
• Familiarity with SQL databases (PostgreSQL/MySQL).
• Experience with Redis and optionally Supabase.

API Development:

• Proficient in building and documenting REST APIs.
• Strong understanding of HTTP, request lifecycles, and API security.

Testing & Debugging:

• Strong debugging and troubleshooting skills using logs and tools.

Performance & Scalability:

• Experience optimizing backend systems for latency, throughput, and reliability.

Tools:

Git, Docker, Linux commands for development environments.

Must-Have Skills:

• Proficiency in Python and object-oriented programming
• Strong hands-on experience with FastAPI (or similar async frameworks)
• Knowledge of MongoDB for schema-less data storage and complex queries
• Experience building and managing REST APIs in production
• Comfortable working with Redis, PostgreSQL, or other data stores
• Experience with Dockerized environments and Git workflows
• Solid grasp of backend architecture, asynchronous programming, and performance tuning
• Ability to write clean, testable, and maintainable code

Good-to-Have Skills:

• Experience with asynchronous programming using async/await
• Integration with third-party APIs (e.g., Firebase, GCP, Azure services)
• Basic understanding of WebSocket and real-time backend patterns
• Exposure to AI/ML pipelines, model APIs, or vector DBs (e.g., FAISS)
• Basic DevOps exposure: GitHub Actions, Docker Compose, Nginx
• Familiarity with JWT, OAuth2, and backend security practices
• Familiarity with CI/CD pipelines and versioning
• Basic understanding of GraphQL or gRPC is a plus

Preferred Qualifications:

• Bachelor’s degree in Computer Science, Engineering, or a related field
• 
  
• Demonstrated experience delivering production-grade backend services
• 
  
• Experience working in agile teams and using tools like Jira
• 
  
• Familiarity with Agile/Scrum methodologies and sprint cycles
• 
  
• Interest or experience in AI/ML-integrated systems is a plus
• 
  

Perks & Benefits:

• Competitive salary with performance-based bonuses
• Opportunity to work on AI-integrated platforms and intelligent products
• Access to latest tools, cloud platforms, and learning resources
• Flexible working hours and hybrid work options
• Wellness initiatives and team-building activities

Job Title: Backend Developer

Experience: 2+ Years

Location: Bangalore, India

Elocity is a cleantech start-up striving to make the world a better place through technology innovations. We are building a global infrastructure for making the transition to electric vehicles viable, affordable, and

sustainable by working closely with the utilities, governments, and public.

Headquartered out of Canada, we are a team of highly specialized domain experts and problem solvers enabling utilities, public and private sector entities to successfully manage the demands of electric vehicle charging and its infrastructure needs to pave the way for electromobility in future.

To know more visit https://elocitytech.com/

Responsibilities:

• Determines technical feasibility of features or solutions by evaluating problem, customer

requirements, possible solutions and technology requirements.

• Exercises judgement in prioritizing tasks and selecting methods and techniques for obtaining solutions.

• Create low-level design of modules of a software application through proper documentation and

diagrams.

• Develops software solutions by studying requirements, clarifying customer/user needs, analysing data

and processes and following established software development practices and processes.

• Develops proof of concepts for technical evaluation and early customer feedback

• Updates and shares knowledge by studying state-of-the-art development tools, programming

techniques, and computing technology; reading professional publications

• Networks with internal and external personnel in own area of expertise.

Skills:

• Good command in JavaScript/TypeScript. Knowledge of Java/Python will be a plus.

• Experience in Debugging/troubleshooting TypeScript code.

• Experience in API development (REST/GraphQL etc)

• Experience in development of Web and Mobile(android/iOS) applications

• Exposure of Parallel and Asynchronous programming

• Experience in writing Unit tests (Jest or any similar framework)

• Should be proficient in relational Database concepts (Postgres etc.)

• Knowledge of Non-relational Databases would be a plus.

• Good Understanding of Object-Oriented Programming Concepts.

• Good Understanding of Design Patterns.

• Good command of Data structures, Algorithms and Complexity.

• Good at problem solving and analytical skills.

• Experience with Source Code Versioning systems (Git etc)

• Understanding of Micro services Architecture would be a plus

• Ability to work in an existing codebase and collaborate with a diverse team
• Experience in building enterprise-scale backend REST APIs with frameworks such as Nest.js & Express.js using an API-first paradigm
• Intimate knowledge of crafting highly performant database queries
• Hands-on experience implementing relational database structures, including tables, indexes, views, etc.
• A mindset towards building systems for the cloud and DevOps fundamentals
• Working knowledge of cloud infrastructure services is good to have. If not then willingness to learn should be there.
• Focus towards building security, performance, and scalability into services from the beginning
• Experience with debugging code and troubleshooting technical issues in order to craft appropriate solutions

Key Responsibilities: 

• Rewrite existing APIs in NodeJS. 
• Remodel the APIs into Micro services-based architecture. 
• Implement a caching layer wherever possible. 
• Optimize the API for high performance and scalability. 
• Write unit tests for API Testing.
• Automate the code testing and deployment process.

Skills Required: 

• At least 3 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds. 
• Excellent hands-on experience using MySQL or any other SQL Database. 
• Good knowledge of MongoDB or any other NoSQL Database. 
• Good knowledge of Redis, its data types, and their use cases. 
• Experience with graph-based databases like GraphQL and Neo4j. 
• Experience developing and deploying REST APIs. 
• Good knowledge of Unit Testing and available Test Frameworks. 
• Good understanding of advanced JS libraries and frameworks. 
• Experience with Web sockets, Service Workers, and Web Push Notifications. 
• Familiar with NodeJS profiling tools. 
• Proficient understanding of code versioning tools such as Git. 
• Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms. 
• Should be a fast learner and a go-getter — without any fear of trying out new things Preferences. 
• Experience building a large scale social or location-based app.

Sr. Software Developer

Work Experience: 8+ Years

The Number of Vacancies: 2

Location:  

CTC: As per industry standards

About the Job Description

Senior software developers are responsible for designing, testing, and implementing new and updated software programs. They take on a managerial role and lead the development team with all software development tasks. Their job is to ensure all projects are completed on time and to company specifications.

What We Are Seeking

• Hands-on experience in Core Java and Advanced Java.
• Hands-on Java Framework-Architecture and Advanced Concepts Understanding and Implementation in Real-Time Projects
• Knowledge of Weblogic, Microservices
• Experience in developing APIs and RESTful services using Node JS.
• Strong understanding of the usage and implementation of JWT tokens and access control API development.
• Knowledge of AWS, SSL integration, Docker, Postman
• Extensive knowledge of MongoDB, MySQL, Redis, and Oracle.
• Understanding of how to integrate third-party APIs such as Payment Gateway
• Knowledge of code versioning tools such as GIT
• Must have good analytical, debugging, and problem-solving skills.
• Good communication skills.

Responsibilities

• Produce high-quality code and experience with security implementations.
• Collaborating with front-end developers on the integration of elements.
• Running diagnostic tests, repairing defects, and providing technical support.
• Documenting Node.js processes, including database schemas, as well as preparing reports.
• Work with the QA Team to develop testing protocols to identify and correct challenges.

THIS IS PART-TIME JOB (4hr/day)

Who Are We:

we are a marketplace where small & mid Cafe and Restaurant owners can connect with a wide range of suppliers through our platform.

To simplify, a coffee shop owner can order from multiple suppliers using our system and receive orders with one delivery.

Why US:

- Grow with your best companions

- Flexible working hours

- Competitive compensation and benefits

We have 2 backend-projects

- Orders

- Agents

Skills Required:

- 2+ years of experience in Nodejs development

- proactive and an independent problem solver

Responsibilities:

- You will write reusable, testable, and efficient code

- Clean our code

- You will look to optimise applications for performance and scalability

- Deployment of Apps

- collaborate with the Team

Good to have

- Angular.js experience

- DevOps experience

We will extend the contract based on your performance.

About the role: We’re looking for a Node.Js Developer who can adapt to new tech stacks and innovate with cutting-edge technology solutions, to build eCommerce platforms that are unique, disruptive, and powerful.

What you'll do:
● Integrate user-facing elements developed by front-end developers with server-side logic
● Write reusable, testable, and efficient code
● Design and implement low-latency, high-availability, and performant applications
● Implement security and data protection integrations
● Integrate data storage solutions such as databases, key-value stores, blob stores, etc.
● Optimize components for maximum performance across a vast array of web-capable devices and browsers
● Ensure high performance and responsiveness to requests from the front-end.

What you'll need:
● Bachelor's degree with minimum 3 years of work experience as a Node Js.
● Strong proficiency in JavaScript or Typescript
● Understanding of Node.js and its frameworks such as Express or StrongLoop
● Understanding of the nature of asynchronous programming and its quirks and workarounds
● Basic understanding of front-end technologies, such as HTML5, and CSS3
● Understanding of accessibility, security compliance, user authentication and authorization between multiple systems, servers, and environments
● Understanding fundamental design principles behind a scalable application
● Understanding of code versioning tools, such as GIT
● Integration of multiple data sources and databases into one system
● Understanding of the differences between multiple delivery platforms, such as mobile and desktop and its optimization output
● Knowledge on creating database schemas that represent and support business processes
● Knowledge on implementing automated testing platforms and unit tests

Who Should Consider Joining:
● If you like challenges and think from a first principle basis,
● If you are driven to take ownership and are adept at rolling with the punches,
● If you have the aspiration to grow fast in the dynamic environment of a start-up,
● If you are a collaborative team member, who believes in collective success,
● If you are someone who makes objective, fact-based decisions

Who should not consider joining:
● If the role description does not excite you, then you should not join us
● We are a startup and things will move fast. If you are not comfortable in a fast-paced environment, then you should not join us
● If you are not a self-starter who is willing to learn & experiment more, then you should not join us.

What We Offer:
● Limitless growth and learning opportunities
● Exposure to cutting edge technology solutions and upcoming stacks in the market
● In house technical training on GIT, Automated Testing, Code Coverage, Language Training and much more
● A collaborative and positive culture — Your team will be as smart and driven as you.
● Guidance and mentorship from industry experts and renowned IIT Alumnus
● An opportunity to make an impact — Your work will contribute directly to our strategy and growth

• Expertise in Java Microservices, Spring, Spring boot MongoDB and Redis 
• Hands-on programming skills
• Proficient communication skills

As a senior software engineer, you will contribute to our end-to-end supply chain platform. You'll work with all key stakeholders to deliver scalable, maintainable backend code and work with frontend developers to deliver amazing user experiences. We are building a design and process-centric culture where you'll play a key role in the implementation of the foundation of all our systems. Up for a challenge?

You are:

• A self-starter with a sense of what it takes to be successful as a team
• An agile - welcome change, do as little as possible and embrace continuous delivery
• Conscious about how quality is carried through from the UI to all layers underneath
• Opinionated, but flexible to accommodate the big picture

Responsibilities

• Analyze requirements, provide estimates and deliver code in an agile setup
• Stay on top of all owned work and raise red flags as early as possible
• Define the architecture, best practices, and coding standards
• Support continuous technical improvement by investigating alternatives and technologies and present them for architectural review 
• Motivate team members, coach junior members, and extend goodwill to other employees

HealthifyMe is a Health Tech Startup on a mission to make healthy living easy, fun and affordable for everyone by providing tech-enabled solutions. Founded in 2012, HealthifyMe is now India's largest and most loved health/fitness app with over 3 million users. The company helps consumers manage their health and fitness with diet and exercise tracking through a mix of technology intervention and human experts/coaches backed with artificial intelligence. HealthifyMe is co-founded by Tushar Vashisht (UPenn graduate, ex UID) and Sachin Shenoy (ex Google), and was incubated by Microsoft Accelerator.  HealthifyMe is the highest rated app on Google Play with a rating of 4.6/5 and has been featured by Google and Apple multiple times for its quality benchmarks. The company, delivers measurable results on eating habits, fitness, and weight and is a platform of choice by leading Corporates and Healthcare partners in India.

Leadership Skill

• Technically hands on.
• Have previous experience of leading teams.
• Have experience with agile process, and ability to guide the team to follow the process.
• Comfortable in chaotic & high-energy, high-stakes start-up environment.
• Hates wasting time in unproductive meetings, and prefers getting quick consensus to move ship forward.
• Prefers delivering in production than spending time in meeting.
• Able to technically mentor team and guide them to high performance.

Technical Skills

• Loves solving technically hard problems. 
• Have previous experience with Python(Django), MySQL.
• Have previous experience with one or more of AWS, RDS, SQS, EC2, DynamoDB, ElastiCache. 
• NoSQL experience is good to have.  
• Loves clean and structured code, and thrives to maintain it. 
• Fast at coding, fast in learning and technically solid.
• Have previous experience in building, running and managing scalable and highly availability web services.

Look forward to

• Working with a world-class team. 
• Fun & work at the same place with an amazing work culture and flexible timings. 
• Get ready to transform yourself into a health junkie