sagun chauhan
@sagunchauhan
Senior software engineer delivering design-first fullstack systems with MEAN/MERN, Node.js microservices, and Kafka-driven architectures.
What I'm looking for
I’m a Senior Software Engineer with over 7 years of experience in fullstack development, focused on the MEAN/MERN stack, Node.js microservices, and event-driven architectures using Kafka. I lead with a Design-First development lifecycle—deep requirement analysis, blocker identification, and Technical Blueprints—to ensure scalable, high-quality delivery in complex Mono-repo and cloud environments.
In healthcare SaaS, I build features inside a Mono-repo with strict pre-coding documentation for cross-module compatibility, including a Dynamic Game Generation engine driven by real-time patient data and therapeutic goals. In finance, I’ve engineered a high-throughput Node.js microservice that consumes real-time events from Kafka topics, added a persistent data layer for audit-ready retrieval, and automated risk-based Email Notification Services.
I also architect high-availability infrastructure on AWS (AWS Auto Scaling, ELB) to maintain 99.9% uptime, containerize services for reliable deployments with Docker, and execute CI/CD workflows via GitHub Actions for stable production releases. I’ve led and mentored 5+ developers, reduced production bugs by 20%, and optimized MongoDB aggregation pipelines to cut data retrieval latency for large-scale reporting.
Experience
Work history, roles, and key accomplishments
Senior Software Engineer
Cognishine
Oct 2025 - Present (5 months)
Led a Design-First development lifecycle, performing deep-dive requirement analysis and producing technical blueprints for stakeholder approval. Developed a healthcare SaaS in a mono-repo and built a dynamic game generation engine using real-time patient data, delivering features via GitHub Actions CI/CD.
Senior Software Engineer
Bank IQ
Apr 2025 - Oct 2025 (6 months)
Built a high-throughput Node.js microservice to consume and process real-time financial events from Kafka, including risk/flagged loan accounts. Implemented persistent event storage with statistical metadata and a Kafka-triggered email notification service; containerized the ecosystem with Docker and achieved 100% environment parity between dev and production.
Senior Software Engineer
Shaligram Infotech
Aug 2023 - Feb 2025 (1 year 6 months)
Led and mentored a team of 5+ developers in a MEAN/MERN environment, improving code quality through daily reviews and reducing production-level bugs by 20%. Architected an AWS high-availability setup for Work Finder with Auto Scaling and ELB to maintain 99.9% uptime, while accelerating front-end delivery cycles by 30% using standardized boilerplates and reusable component libraries.
Senior Software Engineer
Fero.Ai
Nov 2020 - Jul 2023 (2 years 8 months)
Built D.A.S.H (Delivery Automation Software Hub) using Nuxt.js and Django REST Framework for freight forwarders, starting from BRD-driven planning and implementation. Restructured and standardized front-end structures across multiple products, rebuilt from scrapped legacy code for scalability, and supported live releases with change requests and client-driven feature development.
JavaScript Developer
Radiant Web Studios
Nov 2018 - Nov 2020 (2 years)
Developed an annotation application for radiologists integrating AI model APIs to support breast cancer detection, including Admin and Radiologists panels. Built additional internal and consumer apps such as a lead management system (faster cost calculation) and a Vaishnav devotional app with auto-generated greetings and location-based Hora timings.
Education
Degrees, certifications, and relevant coursework
Gujarat Technological University
Bachelor of Engineering, Computer Science and Engineering
2019 - 2022
Grade: 7.68/10
B.E. in Computer Science and Engineering at Gujarat Technological University from 2019 to 2022, with a CGPA of 7.68/10.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
Skills
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