Nayan Sengupta — Backend Engineer

A highly skilled Senior Software Engineer with 5.2 years of professional experience across leading organizations such as Sapiens, Publicis Sapient, Tata Consultancy Services, and Cognizant. Demonstrates expertise in designing scalable, high-throughput applications, end-to-end ETL processes, and real-time data solutions, consistently delivering impactful and resilient systems for high-profile clients in the insurance, banking, and enterprise domains. At Sapiens, engineered modular Java applications optimized for low-latency and high-concurrency environments. Led initiatives to boost API performance and designed robust ETL solutions with Talend, enhancing real-time analytics and increasing data throughput by 15%. Successfully implemented Apache Kafka for asynchronous microservice communication, ensuring fault tolerance and high availability. Contributions earned the WOW Award in Q3 2024 for exceptional performance on the AGS project, and the Sapiens Bravo Award for resolving a critical production outage for a Mauritius client. Previously at Publicis Sapient and TCS, delivered measurable improvements in system responsiveness and automation, including developing and monitoring Bean Components that streamlined internal applications by 15%, and automating DevOps assessment tools with Python and Azure for Zurich Insurance. At Cognizant, refactored legacy systems and built RESTful microservices, adhering to Agile and DevOps best practices. Well-versed in a broad technology stack, excels in Java, Spring Boot, JPA/Hibernate, Python, RESTful APIs, Microservices, Kafka, Microsoft SQL, Talend, Azure Functions, Docker, Maven, Jenkins, and DevOps platforms. Holds Microsoft certifications (AZ-900, DP-900) and has contributed to published IoT research on freshness detection for produce and flowers. Recognized for technical depth in Java multi-threading, concurrency, system design, and data algorithms, is passionate about optimizing business processes through technology, enabling cross-functional collaboration, and driving continuous delivery improvements in fast-paced, Agile environments. Currently expanding expertise in data engineering and cloud platforms while mentoring peers on resume development, interview strategies, and career growth. Skills: Java, Spring Boot, Microservices, REST APIs, Apache Kafka, Python, Azure, Talend, CI/CD, Docker, SQL, Design Patterns, DSA.

Stackforce AI infers this person is a Backend-focused Software Engineer in the Fintech industry.

Location: Chandannagar, West Bengal, India

Experience: 6 yrs 5 mos

Skills

Microservices
Java

Career Highlights

Engineered modular Java applications for high-throughput environments.
Implemented Apache Kafka for fault-tolerant microservices.
Reduced manual effort by 80% through automation.

Work Experience

Deloitte

Senior Consultant ( Deputy Manager ) (7 mos)

Sapiens

Senior Developer (3 mos)

Developer (2 yrs 9 mos)

Publicis Sapient

Associate Technology L2 (4 mos)

Tata Consultancy Services

Software Engineer (1 yr 3 mos)

Cognizant

Full Stack Engineer (7 mos)

Intern (8 mos)

dailyhunt (Versé Innovation Pvt Ltd)

Intern (2 mos)

South Eastern Railway

Winter Trainee (1 mo)

Education

Bachelor of Technology at Kalyani Government Engineering College

Higher Secondary Education at Sri Aurobindo Vidya Mandir

Madhyamik at Sri Aurobindo Vidya Mandir

Nayan Sengupta

Backend Engineer

Chandannagar, West Bengal, India6 yrs 5 mos experience

Highly StableAI Enabled

Key Highlights

Engineered modular Java applications for high-throughput environments.
Implemented Apache Kafka for fault-tolerant microservices.
Reduced manual effort by 80% through automation.

Stackforce AI infers this person is a Backend-focused Software Engineer in the Fintech industry.

Contact

Skills

Core Skills

MicroservicesJava

Other Skills

Core JavaREST APIsAzure CloudSpring BootJava 11Apache KafkaDesign PatternsRedis CacheTalendSQLData Structures and AlgorithmsContinuous Integration and Continuous Delivery (CI/CD)JenkinsJava 8Azure DevOps

About

Experience

6 yrs 5 mos

Total Experience

1 yr 5 mos

Average Tenure

7 mos

Current Experience

Deloitte

Senior Consultant ( Deputy Manager )

Nov 2025 – Present · 7 mos · Bengaluru, Karnataka, India · Hybrid

1. Working as a Senior Backend Developer with one of our largest supply-chain client: Walmart
2. Modernizing legacy monolith applications into distributed microservice architecture, improving system availability and maintainability.
3. Decomposed tightly coupled modules into domain-driven microservices using Spring Cloud, REST APIs, Kafka, and containerization.
4. Mentoring developers on new tech stacks, coding standards, and best migration practices.

Core JavaMicroservicesREST APIsAzure CloudSpring BootJava

Sapiens

2 roles

Senior Developer

Promoted

Aug 2025 – Nov 2025 · 3 mos · Bengaluru, Karnataka, India · Hybrid

Ô Pioneered the IDIT Team as the leading member, driving end-to-end
requirements analysis and delivering a core application upgrade within
6 months by architecting microservices, integrating Kafka for eventdriven
workflows, and containerizing with Docker.
Ô Enhanced API performance and scalability by optimizing database
queries, implementing caching mechanisms, thereby reducing average
response time by 40% and improving throughput by 60%.
Ô Designed and implemented an automated claim creation process for
the AR Gears System by developing Talend batch jobs to ingest and
transform CSV data, enabling seamless claim generation and reducing
manual effort by 80% through end-to-end process automation.
Ô Collaborated with cross-functional teams in an Agile environment, accelerating
feature delivery by 20% through CI/CD adoption and improving
code quality via peer reviews.

Java 11Spring BootMicroservicesApache KafkaDesign PatternsRedis Cache+2

Developer

Nov 2022 – Aug 2025 · 2 yrs 9 mos · Bengaluru, Karnataka, India · Hybrid

1. Implemented scalable RESTful web services and microservices with Spring Boot, leading to a 10% increase in system performance
2. Improved API performance by optimizing queries, caching, and implementing efficient data retrieval techniques.
3. Developed and executed robust end-to-end ETL processes utilizing Talend, effectively integrating with the IDITSuite application, which increased data throughput by 15% and enabled real-time analytics for business insights.
4. Configured and managed Jenkins pipelines to implement continuous integration and continuous deployment (CI/CD) pipelines, reducing deployment time by 40%.

SQLREST APIsData Structures and AlgorithmsContinuous Integration and Continuous Delivery (CI/CD)JenkinsJava 8+3

Publicis sapient

Associate Technology L2

Jul 2022 – Nov 2022 · 4 mos · Bengaluru, Karnataka, India

Data Structures and AlgorithmsMicroservices

Tata consultancy services

Software Engineer

Apr 2021 – Jul 2022 · 1 yr 3 mos · Kolkata, West Bengal, India

1. Worked on a DevOps project(Zurich Insurance) for migration of a Pilot application into an Automated Tool Platform in Azure.
2. Used Python for extracting data from APIs formed from DevOps Applications.
3. Used Azure Function and Azure SQL as PaaS for integrating Python Scripts and storing our required score regarding KPI Metrics for assessment of DevOps Maturity of Client applications.

Data Structures and Algorithms

Cognizant

2 roles

Full Stack Engineer

Sep 2020 – Apr 2021 · 7 mos

Worked as a Backend Developer(Java) with the largest client of Cognizant 'Macys'.

Data Structures and Algorithms

Intern

Jan 2020 – Sep 2020 · 8 mos

Developed Web Applications in Spring Boot Framework and designed front ends with HTML, CSS, Bootstrap

Data Structures and Algorithms

Dailyhunt (versé innovation pvt ltd)

Intern

Jul 2019 – Sep 2019 · 2 mos · Bangalore

Collected, analyzed as well as aggregated content for an upcoming Professionally Curated User Generated Platform going to be hosted on Daily Hunt news application and tried to bring talented content creators and Influencers to work with us on board.