Headline

Staff Engineer @ Azira | Java | SpringBoot | Microservices | PySpark | Apache Iceberg | VectorSearch | RAG | AppliedAI | 9+ years experience | Software Development | AdTech | DSP | RTB

About

𝗦𝘁𝗮𝗳𝗳 𝗦𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 with 9+ years of experience designing, re-architecting, and scaling high-throughput backend platforms and cloud-native applications. My core expertise spans Java, Spring Boot, microservices, AWS, distributed data processing, AdTech, and Applied AI. Currently at Azira, I lead the architecture and development of large-scale backend and data platforms. I am passionate about solving complex engineering bottlenecks, driving technical excellence, and mentoring teams. 𝗞𝗲𝘆 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗔𝗰𝗵𝗶𝗲𝘃𝗲𝗺𝗲𝗻𝘁𝘀: • 𝗠𝗮𝘀𝘀𝗶𝘃𝗲-𝗦𝗰𝗮𝗹𝗲 𝗜𝗱𝗲𝗻𝘁𝗶𝘁𝘆 𝗥𝗲𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻: Re-architected a data platform to resolve identities against a 65B+ historical dataset. By utilizing Apache Spark, Apache Iceberg, and EMR-on-EKS, I successfully scaled the system to process 10B+ daily incoming records while slashing processing time from ~20 hours to ~60 minutes. • 𝗛𝗶𝗴𝗵-𝗧𝗵𝗿𝗼𝘂𝗴𝗵𝗽𝘂𝘁 𝗥𝗲𝗮𝗹-𝗧𝗶𝗺𝗲 𝗕𝗶𝗱𝗱𝗶𝗻𝗴: Architected a distributed DSP and RTB platform handling 100K+ QPS along with multiple SSP/Ad-Exchanges integrations. • 𝗔𝗽𝗽𝗹𝗶𝗲𝗱 𝗔𝗜 & 𝗦𝗲𝗺𝗮𝗻𝘁𝗶𝗰 𝗦𝗲𝗮𝗿𝗰𝗵: Built an AI-powered search platform leveraging vector search, embeddings, AWS Bedrock, and LLM-powered retrieval. • 𝗠𝗟 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 (𝗡𝗶𝘀𝘀𝗮𝗻): Previously developed an ML-powered voice command recognition engine, successfully deployed at the Oppama plant in Japan to streamline manufacturing inspection workflows. 𝗖𝗼𝗿𝗲 𝗖𝗼𝗺𝗽𝗲𝘁𝗲𝗻𝗰𝗶𝗲𝘀: System Design | Distributed Data Processing | Backend Modernization | Cloud Infrastructure & Cost Optimization | CI/CD Transformation If you are looking for a backend engineering leader to build reliable, high-performance architectures, let's connect and discuss opportunities to build impactful products together.

Location

Greater Bengaluru Area

AI stack

claude code

gemini

github copilot

kiro

mcp

githubcopilot

Work experience

Staff Software Engineer at Azira, Jul 2026 - Present · 1 mo, Bengaluru, Karnataka, India, 🔥 𝐏𝐫𝐨𝐣𝐞𝐜𝐭: 𝗟𝗮𝗿𝗴𝗲-𝗦𝗰𝗮𝗹𝗲 𝗜𝗱𝗲𝗻𝘁𝗶𝘁𝘆 𝗥𝗲𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻 & 𝗜𝗗 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺 🧵 𝐀𝐛𝐨𝐮𝐭: Re-architected a legacy HTTP/MongoDB identity platform into a 𝗦𝗽𝗮𝗿𝗸-𝗻𝗮𝘁𝗶𝘃𝗲 𝗱𝗶𝘀𝘁𝗿𝗶𝗯𝘂𝘁𝗲𝗱 𝗱𝗮𝘁𝗮 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺 using Apache Spark, Apache Iceberg, EMR-on-EKS, and Airflow to resolve large-scale incoming identity data against a growing historical dataset. 🚀 𝐈𝐦𝐩𝐚𝐜𝐭 & 𝐊𝐞𝐲 𝐀𝐜𝐜𝐨𝐦𝐩𝐥𝐢𝐬𝐡𝐦𝐞𝐧𝐭𝐬: • 𝗥𝗲𝗱𝘂𝗰𝗲𝗱 𝗽𝗿𝗼𝗰𝗲𝘀𝘀𝗶𝗻𝗴 𝘁𝗶𝗺𝗲 from ~18–20 hours to ~60 minutes. • 𝗦𝗰𝗮𝗹𝗲𝗱 𝘁𝗵𝗲 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺 to 65B+ production records while processing 𝟭𝟬𝗕+ 𝗶𝗻𝗰𝗼𝗺𝗶𝗻𝗴 𝗿𝗲𝗰𝗼𝗿𝗱𝘀 𝗱𝗮𝗶𝗹𝘆. • 𝗔𝗰𝗰𝗵𝗶𝗲𝘃𝗲𝗱 𝘇𝗲𝗿𝗼 𝗢𝗢𝗠𝘀 and zero disk spills during high-volume processing. • 𝗘𝗹𝗶𝗺𝗶𝗻𝗮𝘁𝗲𝗱 𝗿𝗲𝗰𝘂𝗿𝗿𝗶𝗻𝗴 𝗼𝘂𝘁𝗮𝗴𝗲𝘀 and manual SRE interventions required by the legacy system. • 𝗔𝗰𝗰𝗲𝗹𝗲𝗿𝗮𝘁𝗲𝗱 𝗜𝗗 𝗮𝘃𝗮𝗶𝗹𝗮𝗯𝗶𝗹𝗶𝘁𝘆 across downstream systems while improving overall data consistency. 📈 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐈𝐦𝐩𝐥𝐞𝐦𝐞𝐧𝐭𝐚𝐭𝐢𝐨𝐧: • 𝗗𝗲𝘀𝗶𝗴𝗻𝗲𝗱 𝘀𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝘄𝗼𝗿𝗸𝗳𝗹𝗼𝘄𝘀 to identify existing identities and generate IDs for unseen data. • 𝗜𝗺𝗽𝗹𝗲𝗺𝗲𝗻𝘁𝗲𝗱 𝗜𝗰𝗲𝗯𝗲𝗿𝗴 𝗦𝘁𝗼𝗿𝗮𝗴𝗲 𝗣𝗮𝗿𝘁𝗶𝘁𝗶𝗼𝗻 𝗝𝗼𝗶𝗻𝘀 to enable efficient large-scale identity resolution. • 𝗣𝗿𝗲𝘃𝗲𝗻𝘁𝗲𝗱 𝗱𝘂𝗽𝗹𝗶𝗰𝗮𝘁𝗲 𝗜𝗗 𝗮𝘀𝘀𝗶𝗴𝗻𝗺𝗲𝗻𝘁𝘀 by designing specialized serialized resolution workflows. • 𝗧𝗿𝗮𝗰𝗸𝗲𝗱 𝗶𝗻𝗰𝗿𝗲𝗺𝗲𝗻𝘁𝗮𝗹 𝗮𝘁𝘁𝗿𝗶𝗯𝘂𝘁𝗲𝘀, including first-seen and last-seen metrics across datasets. • 𝗠𝗮𝗶𝗻𝘁𝗮𝗶𝗻𝗲𝗱 𝗮𝗻 𝗼𝗽𝘁-𝗼𝘂𝘁 𝗱𝗮𝘁𝗮𝘀𝗲𝘁 using Iceberg to strictly exclude opted-out identities. • 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗲𝗱 𝗺𝗲𝘁𝗮𝗱𝗮𝘁𝗮 𝗰𝗹𝗲𝗮𝗻𝘂𝗽 and table compaction to eliminate small-file fragmentation.

Lead Software Engineer at Azira, Apr 2024 - Jul 2026 · 2 y 3 mo, Bengaluru, Karnataka, India, Azira, the world’s largest source of intelligence on People, Places, and Products, is the global leader in Data Intelligence empowering organizations of all sizes to make smart, strategic decisions delivering optimal business performance. - Leading the development of Azira's DSP Product "Engage 2.0," is a Demand Side Platform(DSP) that allows its users to create, manage, and deliver their online digital marketing campaigns and places databases across multiple exchanges and various types including mobile, desktop, OOH, and CTV campaigns. - Spearheading the Near's Authorization & Authentication, User and Tenant management services. - Building and managing the development of Near's Pixel Manager, a versatile platform to track the online traffic of web users. - Playing a key role in designing and architecting Azira's platform, by creating reusable backend components such as Global Exception handling, emailer service, Consul service, etc., resulting in improved efficiency and scalability across multiple products of Azira. This also reduced around 30% of boilerplate code in all the products.

Senior Software Engineer at Azira, Oct 2021 - Apr 2024 · 2 yrs 7 mos, Bengaluru, Karnataka, India, - Worked on migrating the applications from EC2 web nodes to AWS ECS which saved the annual infra cost by 40%. - Actively participating in code reviews, providing valuable feedback and suggestions to the team to enhance code quality and maintainability along with clear and comprehensive documentation for backend services.

Software Engineer at Manhattan Associates, Jan 2020 - Sep 2021 · 1 y 8 mo, Bengaluru, Karnataka, India, Software Developer in R&D Team of Demand Forecasting and Replenishment Products. My responsibilities include understanding the functional requirements, preparing Technical Specification documents, and developing the new features for the current and future releases. Also supporting the earlier releases and resolving customer-reported issues within SLA. Technologies which I have worked on: J2EE, Spring Framework, Hibernate, JSP, Oracle, JMS.

Software Engineer at Nissan Motor Corporation, Dec 2018 - Jan 2020 · 1 y 1 mo, Trivandrum, Kerala, India, * Successfully developed and implemented a Voice-based Command Recognition engine using Python and Machine Learning, which increased the number of cars that undergo the final inspection process. * As a full-stack developer, I have worked on developing new features based on the business requirement. * Developed new UI screens for the Outbound Logistics system for Nissan-Renault Alliance. * Developed the existing feature to adopt the new business requirements. * Developed new Rest-end points by using the Spring boot framework at Middleware. * Created the new database tables and corresponding Middleware classes and AngularJS Components as per the requirement. * Promoted the codebase to higher environments to get the signoffs from the business users.

Assistant System Engineer at Tata Consultancy Services, Jun 2017 - Nov 2018 · 1 yr 6 mos, Bengaluru, Karnataka, India, I joined TCS by clearing "TCS CodeVita 2016" and started my career and worked for JPMorgan Chase from TCS. Developed multiple procedures in PL/SQL for measuring the data-quality to filter out any outliers from the database. Individual contributor for a PoC to automate manual testing tasks of comparing the data-quality in Cognos BI reports and reduced a significant amount of QA turnaround time. I had a great learning experience in Professional Work-Culture under a Strong Agile Team. Member of DevOps Champions team to develop DevOps culture among the team members. Analyzing the Customer Requirements and formalizing into a working software system.

Education

Post Graduate Diploma in Business Management, Information Technology & Systems Management, SVKM's Narsee Monjee Institute of Management Studies (NMIMS)

Bachelor of Technology (B.Tech.), Computer Software Engineering, NRI University, AP

Public links

github: https://github.com/hemanthjamili

medium: https://medium.com/@hemanthjamili

leetcode: https://leetcode.com/hemanthjamili

hemanthjamili.github.io: https://hemanthjamili.github.io/profile/