Gurpreet Singh

Software Engineer

Pune, Maharashtra, India3 yrs 10 mos experience

Key Highlights

Expert in developing scalable FinTech solutions.
Proficient in Core Java and Microservices architecture.
Strong background in performance optimization and code quality.

Stackforce AI infers this person is a Fintech Backend Developer with expertise in scalable solutions and performance optimization.

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Skills

Core Skills

Core JavaMicroservices

Other Skills

API IntegrationAmazon Web Services (AWS)AngularJSAutomated ReconciliationBack-End Web DevelopmentC (Programming Language)Cascading Style Sheets (CSS)Code QualityData ParsingData ProcessingData StructuresData Structures and AlgorithmsDebuggingDesign PatternsDocker

About

Software Developer at Perfios with 3+ years of experience specializing in: Core Tech: Core Java, JEE, Spring Boot, Microservices, Spring Security Frameworks & Tools: Spring MVC, Apache Kafka (basic), Redis, Hazelcast, Elastic Search Databases: MySQL, Oracle, NoSQL, Hibernate, JPA DevOps: Maven, Jenkins, Docker, OpenShift Version Control & IDEs: Git, IntelliJ, Eclipse, VSCode Performance Optimization: Multithreading, Caching, High-performance system design Domain Expertise: FinTech development and scalable solutions Passionate about delivering clean, efficient code while continuously evolving with the latest technologies.

Experience

Fiserv

SDE 2

Sep 2025 – Present · 6 mos · Pune, Maharashtra, India

Perfios

2 roles

Member of Technical Team

Promoted

May 2024 – Sep 2025 · 1 yr 4 mos · Mumbai, Maharashtra, India

Developed and maintained RESTful APIs for customer onboarding across multiple financial products.
Designed utility modules for data parsing and processing, improving code reusability and efficiency.
Implemented an automated reconciliation system integrated with third-party APIs, reducing manual efforts by 85%.
Integrated Redis for asynchronous processing, decreasing failure rate by 95%.
Led NeSL e-signing integration for 10+ products, enabling secure digital signing workflows.
Ensured code quality through SonarLint, Unit Testing and contributed to production support, debugging, and Prod, UAT, SIT issue resolution.
Collaborated with cross-functional teams and mentored junior developers across key projects.

RESTful APIsData ParsingData ProcessingAutomated ReconciliationRedisCode Quality+5

Software Development Engineer

Sep 2023 – May 2024 · 8 mos · Mumbai, Maharashtra, India

Nagarro

2 roles

Associate Engineer

Sep 2022 – Sep 2023 · 1 yr · Gurugram, Haryana, India

Trainee

May 2022 – Sep 2022 · 4 mos · Gurugram, Haryana, India

Rtudhwaj ayvakam private limited

Python Developer Intern

Jun 2021 – Sep 2021 · 3 mos · West Bengal, India · Remote

Made Python-based Photovoltaic cell Characterization software that helps the user to find the exact graph of the
user-imported file. UI Contains 3 buttons, 1st for importing the file, 2nd for graph plotting, and 3rd for finding some
other parameters like(Open Circuit voltage, Short Circuit Current, Max voltage, etc.)