11+ Apache POI Jobs in India

1. Strong fundamentals OOPS concepts, Exception Handling, Coding Standards, Logging

2. Creating custom, general use modules and components which extend the elements and modules of core Angular. 

3. Creating configuration, build, and test scripts for Continuous Integration environments

4. Communicating with external web services and processing data

5. Experience with offline storage threading and performance tuning

6. Review code and maintain the code quality and suggest best practices

7. Knowledge and experience on data science and programming languages

8. Demonstrable abilities to optimize code. Strong analytical skills for effective problem solving

About the Role

We are seeking a hands-on Tech Lead to design, build, and integrate AI-driven systems that automate and enhance real-world business workflows. This is a high-impact role for someone who enjoys full-stack ownership — from backend AI architecture to frontend user experiences — and can align engineering decisions with measurable product outcomes.

You will begin as a strong individual contributor, independently architecting and deploying AI-powered solutions. As the product portfolio scales, you will lead a distributed team across India and Australia, acting as a System Integrator to align engineering, data, and AI contributions into cohesive production systems.

Example Project

Design and deploy a multi-agent AI system to automate critical stages of a company’s sales cycle, including:

• Generating client proposals using historical SharePoint data and CRM insights
• Summarizing meeting transcripts
• Drafting follow-up communications
• Feeding structured insights into dashboards and workflow tools

The solution will combine RAG pipelines, LLM reasoning, and React-based interfaces to deliver measurable productivity gains.

Key Responsibilities

• Architect and implement AI workflows using LLMs, vector databases, and automation frameworks
• Act as a System Integrator, coordinating deliverables across distributed engineering and AI teams
• Develop frontend interfaces using React/JavaScript to enable seamless human-AI collaboration
• Design APIs and microservices integrating AI systems with enterprise platforms (SharePoint, Teams, Databricks, Azure)
• Drive architecture decisions balancing scalability, performance, and security
• Collaborate with product managers, clients, and data teams to translate business use cases into production-ready systems
• Mentor junior engineers and evolve into a broader leadership role as the team grows

Ideal Candidate Profile

Experience Requirements

• 5+ years in full-stack development (Python backend + React/JavaScript frontend)
• Strong experience in API and microservice integration
• 2+ years leading technical teams and coordinating distributed engineering efforts
• 1+ year of hands-on AI project experience (LLMs, Transformers, LangChain, OpenAI/Azure AI frameworks)
• Prior experience in B2B SaaS environments, particularly in AI, automation, or enterprise productivity solutions

Technical Expertise

• Designing and implementing AI workflows including RAG pipelines, vector databases, and prompt orchestration
• Ensuring backend and AI systems are scalable, reliable, observable, and secure
• Familiarity with enterprise integrations (SharePoint, Teams, Databricks, Azure)
• Experience building production-grade AI systems within enterprise SaaS ecosystems

Job Title: Senior Full Stack Developer(.NET Core)

Work Location: U.S Complex, Adjacent to Jasola Apollo Metro Station, Mathura Road New Delhi-110076

Background of the Role:

We, Infinity Assurance specialize in Warranty Service Administration, Extended Warranty, Accidental Damage Protection and a wide range of service products under our own brand “InfyShield.” Our offerings cover Mobile Phones, Home Appliances, Consumer Electronics, IT Equipment, Office Automation, AV Solutions, Classroom and Conference Room Technologies, Kitchen Appliances and more.

·         We have a very extensive Enterprise grade End to End Business Management Software Application that is unmatched in the industry.

·         The application has multiple Sub-applications and functionalities including Sales, Insurance Claims, Warranty Claims, Payments, Collections, Approvals, Billing / Invoicing, Payment / Tax / Bank Reconciliations, Partners Management, HRMS, Client Management etc. to suite end to end business needs of any enterprise.

·         The application also has multiple integrations for Payment gateways, Voice calls, Video Calls, SMS, emails, WhatsApp, client applications, courier, Maps and databases, etc.

·         To fuel our growth, we are inviting Backend Developers with expertise in .NET core, secure API development, and AI orchestration to build and scale a next-generation multi-tenant verification platform,

·         We are building our software development team to execute new business growth plans and a fresh product roadmap.

·         This position requires talents who are multi-skilled with hands-on experience; to work independently as well as in teams.

·         Ideal candidates will be responsible to design, modify, develop, write, and implement software applications and components.

·         Our technology processes documents and images across warranty, insurance, claims, and identity workflows—where trust, precision, and fraud prevention are paramount.

Key Responsibilities

·         Assist in building multi-tenant backend services for verification and workflow-based applications.

·         Integrate internal services with external APIs (e.g., government, financial, or partner systems) using REST API

·         Develop and maintain ASP.NET Core Web APIs,

·         Following best practices for security, performance, and code quality.

·         To Work with relational databases to store, query, and optimize data using Entity Framework Core.

·         Follow defined security and data-handling guidelines, including data masking or redaction mechanisms.

·         Debug issues, fix bugs, and assist in production support

·         Write clean, maintainable code and participate in code reviews.

Required Skills

·         Working knowledge of C# and ASP.NET Core (Web API), JavaScript, jQuery

·         Hands-on experience with Entity Framework Core and relational databases

·         Core experience with REST APIs;

·         Understanding of asynchronous programming in .NET

·         Hands-on experience in MSSQL database

·         4–5 years of experience in backend or full-stack development using C# and ASP.NET Core

·         Bachelor’s degree in Computer Science, IT, Electronics, or a related discipline

Desired Candidate Profile

·         Prior experience in fintech, verification, or workflow-based platforms

·         Comfortable working with existing codebases and learning enterprise patterns

Important Notes & Perks:

·         Attractive pay structure as per the Market Standards

·         Huge career growth opportunity

·         Preference will be given to candidates who can join early

·         Should have worked in small teams with multi-skilled resources

·         This is a full-time, work-from-office opportunity (Preference will be given to candidates who are interested in Monday to Saturday; 6 days a week)

·         Applications may be submitted via google form as per the link: https://forms.gle/XesCaxtoKos1wj8m8

About us:

We, Infinity Assurance Solutions Private Limited (https://www.infinityassurance.com; https://www.infyshield.com; https://www.infyvault.com ); a New Delhi-based portfolio company of Indian Angel Network, Aegis Centre for Entrepreneurship, Artha Venture Fund, and other marquee industry veterans.

We specialize in Warranty Service Administration, Extended Warranty, Accidental Damage Protection and various other service products for wide range of Mobile Phones, Home Appliances, Consumer Electronics, AV Solutions, Classroom / Conference-room Solutions, Kitchen Appliances, IT, Office automation, Personal Gadgets etc.

Incorporated in January 2014; as a debt-free, operationally profitable with positive net retained earnings, we have grown rapidly. Going forward, we are looking to grow multi-fold with newer areas of business expansion.

Our success is attributed to a very agile and technologically driven unique service delivery model, loyal long-term clients, in-house application, and lean organization structure.

Key Responsibilities would include: 

1. Design, develop, and maintain enterprise-level Java applications. 

2. Collaborate with cross-functional teams to gather and analyze requirements, and implement solutions. 

3. Develop & customize the application using HTML5, CSS, and jQuery to create dynamic and responsive user interfaces. 

4. Integrate with relational databases (RDBMS) to manage and retrieve data efficiently. 

5. Write clean, maintainable, and efficient code following best practices and coding standards. 

6. Participate in code reviews, debugging, and testing to ensure high-quality deliverables. 

7. Troubleshoot and resolve issues in existing applications and systems. 

Qualification requirement - 

1. 4 years of hands-on experience in Java / J2ee development, preferably with enterprise-level projects.

2. Spring Framework including - SOA, AoP and Spring security 

3. Proficiency in web technologies including HTML5, CSS, jQuery, and JavaScript.

4. Experience with RESTful APIs and web services.

5. Knowledge of build tools like Maven or Gradle

6. Strong knowledge of relational databases (e.g., MySQL, PostgreSQL, Oracle) and experience with SQL.

7. Experience with version control systems like Git.

8. Understanding of software development lifecycle (SDLC) 

9. Strong problem-solving skills and attention to details.

• Must have 5 to 10 years of experience on building highly scalable web based enterprise applications using Java/J2EE, Javascript

• Must have experience on front end development using javascript, ReactJS

• Architect and co-create, a highly scalable, available, resilient & distributed applications and multi-tenant Platforms
• Highly hands on with coding/designing, troubleshooting, debugging, monitoring, leading and developing a large scale multi-tenant software components on the Platform in Agile based methodology to provide self-service capabilities (MUST HAVE)
• Must have knowledge of Data structures, must have ability to solve data structure programs on platforms like hakerrank, leetcode  (MUST HAVE)
• Proficiency in engineering practices and writing high quality code, with expertise in Java/J2EE.

• Exposure to NOSQL DB and Relational database

• Exposure to RabbitMQ ,Kafka and Redis Cache

• Working in a team environment, contribute significantly to application solution design and to the high-level design of application software.
• Detailed design, code and test of Cloud Platform software. Provide automated test software in conjunction with application software.

Job Description 

Key Responsibilities: 

• Develop responsive and dynamic web applications using the Angular framework.Collaborate closely with back-end developers and designers to implement user-friendly interfaces.Translate design mock-ups and wireframes into high-quality, efficient code.Ensure cross-browser compatibility and optimize application performance for a seamless user experience.Implement best practices for front-end development, including code organization, testing, and documentation.Collaborate closely with product managers, visual designers, and frontend developers to ensure alignment of design and development goals.Explain and justify design decisions based on established principles and standards, advocating for the user experience.
• Actively contribute to team meetings, brainstorming sessions, and sprint planning.Foster a culture of continuous improvement and innovation within the team.Participate actively in code reviews, providing constructive feedback to team members.Stay updated on the latest trends and technologies in web development, particularly Angular updates, and best practices.

Requirements:

• Strong development experience with Angular, including Angular 10+.Proficiency in HTML5, CSS3, and JavaScript.Well versed with object oriented programmingBetter understanding of SOLID principlesExperience with responsive design and CSS frameworks (e.g., Bootstrap).Familiarity with version control tools such as Git.Solid understanding of web standards and best practices.Ability to work collaboratively in a fast-paced, agile environment.Excellent problem-solving and communication skills.Bachelor's degree in computer science, Engineering, Design, or a related field (preferred).

Preferred Qualifications:

• Previous experience in both Angular development and UX/UI design roles.Knowledge of UX/UI principles and design tools (e.g., Adobe XD, Sketch).Experience creating wireframes, prototypes, and conducting usability testing.Familiarity with Agile development methodologies.

• Bachelors in Computer Science, Information Systems or equivalent.
• 6 years experience delivering highly available web/mobile applications including 1-3 years as Senior/Lead developer.
• Prior experience in retail domain is a plus.
• 3 years of experience working with distributed teams.
• Deep knowledge of UI Libraries / Frameworks, API (REST), API Management and building scalable and high performance Web APIs.
• Must have experience building websites using Javascript and Java technologies (e.g. Typescript, Spring Boot etc.). Search Engine and Native App development experience is a plus.
• AWS Serverless Cloud native services experience with Lambda functions, SNS, SQS, DynamoDB, API Gateway etc.
• Strong knowledge of Caching frameworks, data structures, algorithms, operating systems, and distributed systems.
• Strong understanding of databases, NoSQL data stores, storage and distributed persistence technologies.
• Strong communication and presentation skills.
• Passionate about enabling next generation experiences.
• Experience with automated testing, deployment pipelines and cloud based infrastructure

• Develop omni-channel digital solutions leveraging serverless and micro services in a cloud based platform to develop backend services.
• Design high/low level solutions, contribute towards architecture and technical roadmap.
• Lead technical implementation/delivery.
• Host/Lead technical discussions.
• Champion software development best practices, test driven development, CI and CD.
• Build cloud native and highly cost efficient solutions.
• Innovate, Unlearn and Disrupt. Research next generation frameworks and technologies.
• Embrace change. 

gingerCube Inc., based in Dallas, USA, provides a software platform to interface with hospitals, physician groups, resident programs, and billing services, improving revenue cycle and reducing time to bill by up to 85%. Our flagship product, maxRVU has been adopted by physician groups, hospitals and revenue cycle companies across the US. Over the past 6 years, we have developed a solid brand and continue to grow swiftly with top healthcare systems.

To meet rapid expansion, we are looking to hire a full-time Lead Engineer to join our growing team in Mumbai to build our products using Ruby on Rails. As our Lead Engineer, you will be responsible for creating innovative solutions to technical problems and deliver a top-notch user-experience to our enterprise customers. You must be highly motivated, lead by example and have a knack for designing optimized solutions.

You will report to the Director of Product Delivery and work at our office at a fun and open co-working space. Our startup-like environment means nothing holds you back from doing your best and chart your own growth path. You'll be able to see the impact of your work immediately, experience various aspects of the business, and hear from clients how your efforts benefit them directly.

Requirements:

• Bachelor's degree in a related area and 4 to 6 years of experience in the field
• Full stack with Ruby on Rails, HTML, CSS, and JavaScript.
• Familiarity with ruby gems and Github.
• Expertise of diverse technology stacks
• An understanding of sound database design principles and performance optimization
• Experience integrating with REST API’s
• Skilled with debugging tools, test harnesses, and performance tuning
• Expert with multi-tenant systems, secure coding practices, and authentication/authorization
• Expert in Ruby with a distinguished track record of solving challenging and complex problems efficiently
• Excellent knowledge of standard concepts, practices, and procedures within a particular field
• Enable RoR web applications on Heroku with Postgres
• Ability to take ownership of work and respond to critical issues quickly and work with the team.
• Plus: Software security practices for patient records(HIPAA), PCI, etc. and exposure to the healthcare industry.

IIT, NIT and Top Tier-1 Institutes candidates only.
Skills

❖ At least 8 years of full-time engineering experience

❖ Proven ability to work on multiple projects at a time within a fast-paced environment with tight deadlines

❖ Expertise in Node, Javascript (ES6) and good understanding of web frontend technologies

❖ Experience developing large-scale software products, quality, monitoring and reliability

❖ Experience working with relational databases such as MySQL or Postgres

❖ Experience building REST APIs

Bonus Points

❖ Significant experience with TypeScript and Express.js

❖ Significant experience developing user interfaces with the React framework

❖ Experience with AWS

❖ Experience with Agile software development