
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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Review Criteria
- Strong Senior Backend Engineer profiles
- Must have 5+ years of hands-on Backend Engineering experience building scalable, production-grade systems
- Must have strong backend development experience using one or more frameworks (FastAPI / Django (Python), Spring (Java), Express (Node.js).
- Must have deep understanding of relevant libraries, tools, and best practices within the chosen backend framework
- Must have strong experience with databases, including SQL and NoSQL, along with efficient data modeling and performance optimization
- Must have experience designing, building, and maintaining APIs, services, and backend systems, including system design and clean code practices
- Experience with financial systems, billing platforms, or fintech applications is highly preferred (fintech background is a strong plus)
- (Company) – Must have worked in product companies / startups, preferably Series A to Series D
- (Education) – Candidates from top engineering institutes (IITs, BITS, or equivalent Tier-1 colleges) are preferred
Role & Responsibilities
As a Founding Engineer at company, you'll join our engineering team during an exciting growth phase, contributing to a platform that handles complex financial operations for B2B companies. You'll work on building scalable systems that automate billing, usage metering, revenue recognition, and financial reporting—directly impacting how businesses manage their revenue operations.
This role is perfect for someone who thrives in a dynamic startup environment where requirements evolve quickly and problems need creative solutions. You'll work on diverse technical challenges, from API development to external integrations, while collaborating with senior engineers, product managers, and customer success teams.
Key Responsibilities-
- Build core platform features: Develop robust APIs, services, and integrations that power company’s billing automation and revenue recognition capabilities
- Work across the full stack: Contribute to both backend services and frontend interfaces, ensuring seamless user experiences
- Implement critical integrations: Connect company with external systems including CRMs, data warehouses, ERPs, and payment processors
- Optimize for scale: Build systems that handle complex pricing models, high-volume usage data, and real-time financial calculations
- Drive quality and best practices: Write clean, maintainable code while participating in code reviews and architectural discussions
- Solve complex problems: Debug issues across the stack and work closely with teams to address evolving client needs
The Impact You'll Make-
- Power business growth: Your code will directly enable billing and revenue operations for fast-growing B2B companies, helping them scale without operational bottlenecks
- Build critical financial infrastructure: Contribute to systems handling millions in transactions while ensuring accurate, compliant revenue recognition
- Shape product direction: Join during our scaling phase where your contributions immediately impact product evolution and customer success
- Accelerate your expertise: Gain deep knowledge in financial systems, B2B SaaS operations, and enterprise software while working with industry veterans
- Drive the future of B2B commerce: Help create infrastructure powering next-generation pricing models from usage-based to value-based billing.
Job Title: Python Backend / GenAI Engineer (4+ Years)
Job Summary
Looking for a Python Backend Engineer with experience in Generative AI, LangGraph workflows, data engineering, and AI evaluation using Arize AI.
Responsibilities
* Develop backend APIs using Python (FastAPI / Flask / Django)
* Build Generative AI and RAG-based applications
* Design LangGraph / agent workflows
* Create data engineering pipelines (ETL, data processing)
* Implement LLM monitoring and evaluation using Arize AI
* Integrate vector databases and AI services
* Maintain scalable and production-ready backend systems
Required Skills
* 4+ years of Python backend development
* Experience in Generative AI / LLM applications
* Knowledge of LangGraph / LangChain
* Experience in data engineering pipelines
* Familiarity with Arize AI or model evaluation tools
* Understanding of REST APIs, databases, Docker
Good to Have
* Cloud platforms (Azure / AWS )
* Vector databases (FAISS, Pinecone, Azure AI Search)
We're Hiring: Golang Developer (3–5 Years Experience)
Location: Mumbai
We are looking for a skilled Golang Developer with strong experience in backend development, microservices, and system-level programming. In this role, you will work on high-performance trading systems, low-latency architecture, and scalable backend solutions.
Key Responsibilities
• Develop and maintain backend services using Golang
• Build scalable, secure, and high-performance microservices
• Work with REST APIs, WebSockets, message queues, and distributed systems
• Collaborate with DevOps, frontend, and product teams for smooth project delivery
• Optimize performance, troubleshoot issues, and ensure system stability
Skills & Experience Required
• 3–5 years of experience in Golang development
• Strong understanding of data structures, concurrency, and networking
• Hands-on experience with MySQL / Redis / Kafka or similar technologies
• Good understanding of microservices architecture, APIs, and cloud environments
• Experience in fintech/trading systems is an added advantage
• Immediate joiners or candidates with up to 30 days notice period preferred
If you are passionate about backend engineering and want to build fast, scalable trading systems.
Job Description:
As per our conversation, please find below the job description for your review.
· Strong written/verbal communication skills
· Minimum 5-14 Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Forkjoin pool and other threading concepts)
· Good knowledge of the JVM with an understanding of performance and memory optimization.
· Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).
· Excellent knowledge on collections like, Array List, Vector, LinkedList, HashMap, Hash Table, HashSet is mandate.
· Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.
· Expert level understanding of Object-Oriented Concepts and Data Structures
· Good experience in Database (Sybase, Oracle, or SQL Server) like indexing (clustered, non clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.
· While you may already know about Wissen and the company history, here is a quick rundown for you.
- Candidate should have strong work experience in JavaScript(ES6+)
- Hands on application development using Node JS, Express JS, MongoDB and Mongoose
- Good understanding of Web Technology, RESTful APIs, JSON structures
- Proficient understanding of code versioning tools, such as Git
- Exposure in AWS Services will be an added advantage
Responsibilities and Duties
- Design, code, test and document software according to the functional requirements.
- Analyze, diagnose and resolve errors related to applications.
- Provide application and user support.
As a Backend Developer, you will work on the latest and greatest in high performance
web development, data science, community development and mobile technologies.
What you will do:
- Playing a part in defining software architectures – collaborate with leads to explore existing systems, determine areas of complexity, uncover potential risks to successful implementation, and learn the applications’ capabilities.
- Implementing solutions as per technical design for new features and changes to existing components.
- Participating in the full development lifecycle of new functionality and enhancements to existing applications.
- Committing to producing high quality, highly performing and robust software within agreed time estimates and to agreed quality standards.
- Managing all stakeholder expectations.
- Working alongside global teams.
- Taking responsibility for successful delivery.
- Being able to work in a fast paced Agile/SCRUM environment.
- Following coding standards, building appropriate unit tests, integrating tests and deployment scripts.
- Assisting in defining software architectures – Collaborating with leads to explore existing systems, determining areas of opportunities.
- Translating designs and style guides provided by the Design team into functional user interfaces, ensuring cross browser compatibility and performance.
- Contributing to continual improvement by suggesting improvements to user interface, software architecture or new technologies.
What you need to have:
- Ability to fluently code in Java Spring or similar J2EE frameworks.
- Solid knowledge of application deployment in AWS cloud, Kubernetes, Docker.
- Ability to code in ReactJS or similar Javascript frameworks.
- Proven experience with responsive design, fullstack web development, consumption/creation of RESTful APIs.
- Bachelor’s or Master’s degree in Computer Science or related engineering field w/experience in software development.
- 3-7 years of experience developing customer facing web applications.
- 3-7 years of experience in Java Spring or similar J2EE frameworks.
- 3-7 years of experience in front-end development using JavaScript, knowledge of various JavaScript libraries and micro frameworks (React, Angular, Backbone), HTML and CSS.
- 3-7 years of experience coding using object-oriented and aspect-oriented programming, architecture and design patterns.
- Strong understanding of RESTful API principles.
- Strong understanding of security best practices.
- Strong experience with unit testing and end-to-end testing.
- Knowledge of : Programming languages Java 8, J2EE, Node.js, Design Patterns, HTML, CSS, JavaScript Web and cloud Technologies RESTful web services, Cloud functions, Amazon Web Services, SEO/ Sitemap, Serverless
- architecture, JSON Database Management MySQL, PostgreSQL, Elasticsearch, Firebase realtime database, Hibernate, Liquibase, Percona, Redis, Memcached Frameworks, Libraries and Tools Dropwizard, Jersey,
- Expressjs, RabbitMQ Web / Application Server Nginx Other Tools and Utilities Eclipse, VS Code, Postman, Git, Gradle, Maven, Imagemagick, Jmeter Operating Systems Linux, Windows.
- Experience in implementing Material Design UI and UX for customer centric frontend.
At Tekion, we're building the only cloud-native platform that is transforming the automotive retail industry, leapfrogging it into the future and providing unparalleled customer experience. We're creating seamlessly integrated, elegant, and intuitive solutions built with cutting edge technology and powered by Big Data, Machine Learning (ML)/ AI and Internet of Things (Connected vehicle to connected devices). We’re harnessing passion, entrepreneurial spirit, deep industry expertise and the latest technologies to create something very special. We're inventing new technology along the way to overcome barriers and solve big problems, all while having a blast doing it!
Key Responsibilities
-
Design and build solutions for complex business workflows
-
Understanding the user persona and deliver a slick experience
-
Take end to end ownership of components and be responsible for the subsystems that you work on from design, code, testing, integration, deployment, enhancements, etc.
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Write high-quality code and taking responsibility for their task
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Solve performance bottlenecks
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Mentor junior engineers
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Communicate and collaborate with management, product, QA, UI/UX teams
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Deliver with quality, on-time in a fast-paced start-up environment
Minimum Qualification
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Bachelor/Master's in computer science or relevant fields
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0.6 to 2 years of relevant experience
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Strong sense of ownership
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Excellent Java and object-oriented development skills
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Experience in building and scaling microservices
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Strong problem-solving skills, technical troubleshooting and diagnosing
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Expected to be a role model for young engineers, have a strong sense of code quality and enforce code quality within the team
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Strong knowledge in RDBMS and NoSql technologies
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Experience in developing backends for enterprise systems like eCommerce / manufacturing / supply chain etc
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Excellent understanding of Debugging performance and optimization techniques
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Experience in Java, Mongo, MySQL, AWS technologies, ELK stack, Spring boot, Kafka
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Experience in developing any large scale Experience in cloud technologies
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Demonstrated ability to deliver in a fast-paced environment
Through Bhanzu, we aim to eradicate math phobia and encourage careers in math and STEM fields among learners from across the world. Bhanzu is bridging the gap between dreams and competence, by enabling students to realise their full potential and introduce them to science, coding and AI, through the lens of math.
Responsibilities
● Design, develop, test, deploy and maintain software
● Delivering high quality and well-structured code
● Manage individual project priorities and deadlines
● Participate in enhancing tools and processes
● Participate in production observance and technical incident management
● Ability to quickly learn and adapt to keep up in a fast-paced environment
Must haves
● Strong data structure concepts
● Great problem-solving skills
● Strong experience in Python
● Experience in Microservices and Docker
● Exposure to RDBMS and/or NoSQL databases
● Working knowledge of MongoDB/DynamoDB











