Nikita Save

Backend Developer with 5.5 years of experience building scalable backend applications for fintech and consumer platforms. Experienced in designing REST APIs, event-driven systems, database optimization, and distributed messaging. Focused on building reliable, scalable backend systems with an emphasis on performance, maintainability, and clean architecture.

Senior Software Developer at Mobile Programming (Client: Fynd) (2025-03 – 2025-09)

• Led the design and scaling of a Kafka-based real-time notification system, reducing latency by 40% and maintaining optimal queue distribution during high-traffic events.
• Overhauled complex database schemas and API structures, performing deep profiling to deliver 30% faster response times and optimizing overall system throughput.
• Authored over 150 comprehensive automated tests using Jest and Jasmine, expanding test coverage by 35% and cutting production bugs by 50%.

Software Development Engineer 2 at Bellieve (2023-05 – 2024-10)

• Architected a scalable luxury management platform serving 50,000+ active residents, boosting end-user engagement by 30% across onboarding, booking, and tracking flows.
• Executed the integration and tuning of BullMQ distributed queues for notification workflows, managing retries and priority execution to sustain 100,000 requests/minute on a single AWS EC2 instance, cutting failures by 60%.
• Optimized indexing configurations and query patterns across high-volume collections, securing a 30% improvement in raw data retrieval speed during peak concurrent traffic.

Software Development Engineer 1 at Fitternity (2021-08 – 2022-09)

• Built high-concurrency REST APIs using Express, isolating system constraints to slash backend latency by 25% and expand request capacity.
• Engineered 10+ core marketing update modules, eliminating manual workflow dependencies to cut operational turnaround time by 40%.
• Spearheaded cross-functional collaboration with marketing and product teams to translate frequent update criteria into reusable components, elevating operational cross-team efficiency by 30%.

Software Development Engineer at Valuefy Technologies (2019-01 – 2021-03)

• Launched a core Model Portfolio investment module for Kotak Cherry, increasing recommendation accuracy and boosting validated user engagement by 20%.
• Engineered backend data solutions for fintech and wealth management integrations, performing routing validation to strengthen platform reliability and safeguard client trust.
• Optimized relational database schemas and SQL query patterns, accelerating data retrieval speeds by 25% to support concurrent transactional traffic.

Master of Computer Applications in Computer Applications – VJTI, Mumbai (2016-08 – 2019-05)