nawnit sen

Senior Software Engineer

Bengaluru, Karnataka, India8 yrs 3 mos experience

Highly Stable

Key Highlights

7+ years in software engineering with a focus on microservices.
Expert in building scalable cloud-native applications.
Proven track record in financial data engineering.

Stackforce AI infers this person is a Fintech Backend Engineer with expertise in scalable cloud-native solutions.

Contact

Skills

Core Skills

Java DevelopmentMicroservicesData Engineering

Other Skills

API GatewayAWSAWS S3Adobe SparkAmazon DynamoDBAngularAngularJSApache KafkaApache SparkApache Spark StreamingApplication Programming InterfacesAuthentication SystemsBig DataConcurrent ProgrammingData Structures

About

Senior Software Engineer with 7+ years of experience in microservices architecture, distributed systems, and data engineering. Proven expertise in designing and delivering Java-based backend platforms, real-time data pipelines, and Spark-based big data solutions handling millions of daily transactions. Skilled in building cloud-native microservices on AWS & Kubernetes, optimizing high-volume systems, and driving end-to-end architecture for financial and enterprise-scale applications. Passionate about solving complex data problems and enabling business-critical decision-making through scalable engineering solutions.

Experience

Kotak mahindra bank

Senior Software Development Engineer

May 2024 – Present · 1 yr 10 mos · Bengaluru, Karnataka, India · On-site

Designed and developed scalable, cloud-native backend systems handling millions of daily financial transactions across banking and capital-markets domains.
Built a centralized API gateway enabling seamless integration across 60+ microservices with built-in authentication, logging, observability, and error-handling frameworks to improve reliability and developer productivity.
Architected a bank-wide statement generation engine capable of producing millions of reports daily using Spring Boot, AWS S3, and Kubernetes for high availability and auto-scaling.

Java DevelopmentSpring BootAWSKubernetesMicroservicesAPI Gateway

Goldman sachs

3 roles

Vice President (Software Engineer)

Promoted

Nov 2022 – Nov 2025 · 3 yrs

Led the design of a feed delivery platform distributing large-scale financial data to clients, vendors, and regulators using Kafka, Spark, and MongoDB for high throughput and fault tolerance.
Built a dynamic Spark-based ETL pipeline that auto-generates runtime DAGs for data ingestion, reducing onboarding time for new feeds by 40%.
Engineered a Kafka-based data synchronization framework ensuring near real-time consistency across distributed databases.
Developed a custom in-memory queue using Java’s Unsafe API for off-heap storage, cutting GC overhead and improving latency for high-volume data processing.
Created a lightweight AOP framework using CGLIB proxies to implement cross-cutting concerns and improve modularity across internal components.
Designed a Spark test framework with caching and resource optimization, reducing test execution time by 50%.
Led cloud deployment and containerization efforts using AWS, Kubernetes, and Docker, ensuring fault tolerance, scalability, and observability through Prometheus and Grafana.
Collaborated with cross-functional teams (architecture, DevOps, QA) to deliver secure, compliant, and high-performance financial data platforms.

KafkaSparkMongoDBJavaAWSKubernetes+5

Associate

Promoted

Dec 2020 – Dec 2022 · 2 yrs

Analyst

Nov 2019 – Nov 2020 · 1 yr

Infosys

Specialist Programmer(Java Backend developer)

Nov 2017 – Nov 2019 · 2 yrs · Bengaluru Area, India · On-site

I actively contributed to the development of Apple’s global HR platform, enhancing system efficiency and integration.
Built reactive RESTful APIs using Spring WebFlux and Java 8, ensuring robust backend functionality.
Designed a multithreaded Producer–Consumer-based application for parallel processing of millions of records.
Developed a generic POJO comparison library with Java Reflection API, reducing integration efforts across modules.

Java DevelopmentSpring WebFluxRESTful APIsMultithreadingMicroservices