
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

About IAI solution
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About Us:
Tradelab Technologies Pvt Ltd is not for those seeking comfort—we are for those hungry to make a mark in the trading and fintech industry. If you are looking for just another backend role, this isn’t it. We want risk-takers, relentless learners, and those who find joy in pushing their limits
every day. If you thrive in high-stakes environments and have a deep passion for performance driven backend systems, we want you.
What We Expect:
• You should already be exceptional at Golang. If you need hand-holding, this isn’t the place for you.
• You thrive on challenges, not on perks or financial rewards.
• You measure success by your own growth, not external validation.
• Taking calculated risks excites you—you’re here to build, break, and learn.
• You don’t clock in for a paycheck; you clock in to outperform yourself in a high-frequency trading
environment.
• You understand the stakes—milliseconds can make or break trades, and precision is everything.
What You Will Do:
• Develop and optimize high-performance backend systems in Golang for trading platforms and financial
services.
• Architect low-latency, high-throughput microservices that push the boundaries of speed and efficiency.
• Build event-driven, fault-tolerant systems that can handle massive real-time data streams.
• Own your work—no babysitting, no micromanagement.
• Work alongside equally driven engineers who expect nothing less than brilliance.
• Learn faster than you ever thought possible.
Must-Have Skills:
• Proven expertise in Golang (if you need to prove yourself, this isn’t the role for you).
• Deep understanding of concurrency, memory management, and system design.
• Experience with Trading, market data processing, or low-latency systems.
• Strong knowledge of distributed systems, message queues (Kafka, RabbitMQ), and real-time processing.
• Hands-on with Docker, Kubernetes, and CI/CD pipelines.
• A portfolio of work that speaks louder than a resume.
Nice-to-Have Skills:
• Past experience in fintech.
• Contributions to open-source Golang projects.
• A history of building something impactful from scratch.
• Understanding of FIX protocol, WebSockets, and streaming APIs.
We are looking for a skilled Backend Developer with strong experience in building, scaling, and optimizing server-side systems. The ideal candidate is proficient in Node.js, FastAPI (Python), and database design, with hands-on experience in cloud infrastructure on AWS or GCP.
Responsibilities:
Design, develop, and maintain scalable backend services and APIs using Node.js and FastAPI
Build robust data models and optimize performance for SQL and NoSQL databases
Architect and deploy backend services on GCP/AWS, leveraging managed cloud services.
Implement clean, modular, and testable code with proper CI/CD and observability (logs, metrics, alerts)
Ensure system reliability, security, and high availability for production environments
Requirements:
2–5 years of backend development experience
Strong proficiency in Node.js, FastAPI, REST APIs, and microservice architecture
Solid understanding of PostgreSQL/MySQL, MongoDB/Redis or similar NoSQL systems
Hands-on experience with AWS or GCP, Docker, and modern DevOps workflows
Experience with caching, queueing, authentication, and API performance optimization
Good to Have:
Experience with event-driven architecture, WebSockets, or serverless functions
Familiarity with Kubernetes or Terraform
Job Location: Gurugram, Haryana, India
Industry: Artificial Intelligence
Responsibilities:
- Lead simultaneous development for multiple business verticals.
- Design & develop highly scalable, reliable, secure, and fault-tolerant systems.
- Ensure that exceptional standards are maintained in all aspects of engineering.
- Collaborate with other engineering teams to learn and share best practices.
- Take ownership of technical performance metrics and strive actively to improve them.
- Mentors junior members of the team and contributes to code reviews.
Requirements:
- A passion to solve tough engineering/data challenges.
- Be well versed with cloud computing platforms AWS/GCP
- Experience with SQL technologies (MySQL, PostgreSQL)
- Experience working with NoSQL technologies (MongoDB, ElasticSearch)
- Excellent Programming skills in Python/Java/GoLang
- Big Data streaming services (Kinesis, Kafka, RabbitMQ)
- Distributed cache systems(Redis, Memcache)
- Advanced data solutions(BigQuery, RedShift, DynamoDB, Cassandra)
- Automated testing frameworks and CI/CD pipelines Infrastructure orchestration(Docker/Kubernetes/Nginx)
- Cloud-native tech like Lambda, ASG, CDN, ELB, SNS/SQS, S3 Route53 SES
- 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 2 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.
Requirements:
• Strong understanding of Nodejs & front-end Technology.
• Strong understanding of MEAN or MERN Stack.
• Strong knowledge of HTML, CSS, RWD, Javascript, and JQuery.
• Bring 1+ years of Experience in Node with typescript or React.
• Strong OOPS ( Object Oriented Programming ) concepts.
• Good knowledge of browser caching, working with cookies and Java scripts for faster website loads.
• Mean/Mern Stack Developer with hands-on experience in Node.js, typescript, and angular.
• Experience developing and improving REST APIs.
• Experience working with AWS Clouds/Azure.
• Experience building web UI dashboards and other self-service solutions.
• Relational DB knowledge (MySQL, PostgreSQL, Oracle, or SQL Server).
• NoSQL knowledge (MongoDB, Redis, Cassandra, or Hadoop).
• Ability to recite design patterns.
• Experience leading Agile projects and getting results in Scrum or Kanban teams and workflows.
• Experience with practices such as Test-Driven Development (TDD) is a plus
Our Client is B2B SaaS Product Co. in the space of HR Technology. They are helping organisations to take informed decisions in the areas like Hiring, Training and Career Succession processes. The company was formed in 2010 and since has become a market leader in HR technology space. The founders are alumni of Stanford University and their employees have experience in working with PWC, McKinsey and other similar leagues of organisations.With a bright vision of the founders, the organisation is in an expansion mode to capture niche markets and become a global leader in this domain.
- Experience in Back-End development using Ruby on Rails or NodeJS
- Experience in working on at least two of MongoDB / Postgres / MySQL & Redis
- Experience on MVC patterns using frameworks like Rails, ExpressJS
- Strong understanding of RESTful APIs and HTTP protocol
- Understanding Security aspects of the applications and can successfully implement OWASP compliant systems
- Strong understanding of Linux OS, File Systems, Firewalls etc
- 3 years Experience in Ruby on Rails
- Minimum 3 years in MongoDB / PostgreSQL
- Must be from Product based companies
Must haves
- At least 3 years of professional programming experience in Ruby on Rails.
- Solid fundamentals with software development, systems, troubleshooting, and teamwork
- Strong testing habits, passionate towards unit testing and TDD.
- Good understanding of RDBMS like MySQL, PostgreSQL
- Strong knowledge of git
- Good understanding of data structures
- Strong analytical and problem-solving skills
Good to have
- Experience with Javascript










