Debu paul

Software Engineer

Bengaluru, Karnataka, India8 yrs 6 mos experience
AI EnabledAI ML Practitioner

Key Highlights

  • 11 years of experience in Java development and microservices.
  • Proven track record in performance optimization and system design.
  • Leadership experience in mentoring and managing development teams.
Stackforce AI infers this person is a Fintech Backend Developer with strong microservices architecture expertise.

Contact

Skills

Core Skills

JavaMicroservicesSpring FrameworkSoftware Development

Other Skills

Java 11Spring BootMongoDBOracle DBSonarQubeBlack DuckThreadFixCheckmarxAppDynamicsSplunkJMeterBlazeMeterJUnitMockitoPowerMockito

About

Professional Summary Around 11 years of hands-on experience in Java development, system design, microservices, and performance engineering across banking, payments, and e-commerce domains. Strong expertise in Java (8/11/15), Spring Boot, Spring Cloud, Spring Batch, SQL/NoSQL, AWS, and modern distributed systems, with a proven track record of delivering high-performing, scalable, and secure solutions. Core Technical Skills Programming & Core Java Proficient in Java 8, 11, 15, with expertise in multithreading, concurrency, collections, JVM tuning. Strong in Data Structures & Algorithms, enabling robust high-level & low-level design. Backend Frameworks Spring Boot, Spring Cloud, Spring MVC, Spring Data JPA, Spring Batch, Hibernate. Expertise in building and consuming REST APIs. Databases RDBMS: PostgreSQL, MySQL, Oracle NoSQL: MongoDB (data migration, legacy system support) Caching: Redis, H2 in-memory DB Data Streaming & Messaging Apache Kafka, MQ Services for real-time data streaming Cloud Technologies AWS: S3, EC2, Route 53, CloudWatch, IAM, SNS, SQS, DynamoDB, Lambda, API Gateway, CloudFormation, EKS, ECS, CodeCommit, CodePipeline Recently Azure Certified (AZ-900) Performance & Testing Load & Performance Testing: JMeter, BlazeMeter Troubleshooting: Skilled in Thread Dumps, Heap Dumps, GC logs analysis for JVM performance optimization API Testing: Rest Assured, TestNG, Postman, Rest Client DevOps & CI/CD Docker, Kubernetes for containerization and orchestration CI/CD pipelines with Jenkins, Maven, Gradle, Ant Code Quality/Security: SonarQube, Black Duck, Checkmarx, ThreadFix Monitoring & Diagnostics AppDynamics, Splunk for application monitoring & log analysis Frontend (Basic) HTML, JavaScript, Responsive Design Development Practices Proficient in Agile & Scrum methodologies Strong in Git (GitHub, Bitbucket), Jira Experienced in code reviews, knowledge sharing, team training Key Strengths Designing and delivering microservices-based distributed systems. Strong root cause analysis (RCA) and performance optimization. Hands-on with end-to-end SDLC: design, development, testing (manual & automation), deployment, and monitoring. Leadership experience: mentoring & managing teams, conducting peer code reviews, and improving development efficiency.

Experience

8 yrs 6 mos
Total Experience
1 yr 5 mos
Average Tenure
--
Current Experience

Fico

Lead Software Engineer

Mar 2025Feb 2026 · 11 mos · Bengaluru, Karnataka, India · Hybrid

Wells fargo

Senior Software Engineer

Mar 2022Feb 2025 · 2 yrs 11 mos · Bengaluru, Karnataka, India · Hybrid

  • Role Overview : As A Senior Software Engineer at Wells Fargo,Specialize in the Enterprise Payment Data Hub project
  • within Consumer Banking and Treasury Management.I'm a versatile team member with both individual and
  • leadership responsibilities, guiding a team of 8 professionals.
  • Key Contributions:
  • Individual Contributor (70%): Strengths lie in innovation and robust software delivery. Actively engage in system design, high-level architectural planning, and low-level implementation, managing eight microservices, including Entity Management,
  • Template Management, and Audit & Approval Services.
  • Team Leader (30%): I provide expert guidance, conduct peer code reviews, and oversee 8 team members, enhancing development efficiency and code quality.
  • Technical Expertise:Proficiency in Java 11, Spring Boot, and microservices architecture.
  • Skills in MongoDB and Oracle DB, covering legacy system support and data migration.
  • Experience with SonarQube, Black Duck, ThreadFix, and Checkmarx for code quality and security. Proficient in AppD and Splunk for
  • monitoring and diagnostics.
  • Project Details: Proficient in deploying applications in Pivotal Cloud Foundry (PCF) and using Apigee for API management.
  • Committed to Agile practices, actively participating in sprint planning, story creation, and facilitating backlog meetings.
  • Proficiency in BDD automation scripts, testing with Test and QMetry, writing unit test cases using JUnit, Mockito, and PowerMockito, and competence in JMeter and BlazeMeter for load and performance testing.
  • Experienced in developing and maintaining CI/CD pipelines for streamlined software delivery.
  • Worked with project managers, Business Team, Developers, quality assurance and customers to resolve technical issues
Java 11Spring BootMicroservicesMongoDBOracle DBSonarQube+14

Paypal

Senior Software Engineer

Dec 2019Feb 2022 · 2 yrs 2 mos · India · Hybrid

  • Role Overview : As an SDE 3 at PayPal, I played a key role in the Risk & Credit project, managing a dedicated team of 6 professionals. I reshaped the framework, optimized code, and developed new simulators for various PayPal projects, including PayPal Consumer Credit, PayPal
  • Merchant (PPWC, PPBL), Venmo, and Global Pay Later.
  • Key Contributions: Restructured framework to meet evolving project requirements.
  • Optimized code and improved framework performance.
  • Managed 6-member team across multiple locations, fostering professional growth
  • Technical Expertise: Proficient in Java and Spring Framework.
  • Skilled in REST API development, Apache Kafka, Oracle, Aerospike, and AWS Cloud.
  • Competent in TestNG for comprehensive testing.
  • Project Highlights:
  • Enhanced system performance and reliability through framework optimization.
  • Spearheaded development of new simulators and applications.
  • Collaborated seamlessly with global teams for on-time project delivery.
  • My commitment to performance, innovation, and effective teamwork defined my role as an SDE 3 at PayPal
JavaSpring FrameworkREST APIApache KafkaOracleAerospike+2

Pramati technologies private limited

Software Engineer

Dec 2018Dec 2019 · 1 yr · Chennai Area, India

  • Role Overview :During my tenure at Pramati Technologies in the Imaginea Lab, I worked as a Software Engineer on two
  • distinct projects: Consumer Debt Collection and RGL Logistics. I devoted six months to each project and played a crucial role in developing them from the ground up. In the RGL Logistics project, I was responsible for designing and developing microservices, particularly in the areas of shipping and kitting. I guided two junior team members and utilized Java 8, Spring Boot, microservices, PostgreSQL, AWS S3, JWT token, and more.
  • Key Contributions: Led development of both projects from inception, showcasing adaptability and proficiency.
  • Designed and developed essential microservices for order management and logistics.
  • Mentored two junior team members, contributing to their growth.
  • Worked with software development and testing team members to design and develop robust solutions to meet client requirements for
  • functionality, scalability, and performance
  • Delivered unit-tested systems within customer prescribed timeframes.
  • My time at PramatiTechnologies in the Imaginea Lab underscored my commitment to impactful contributions, innovation, and effective teamwork
  • 1. Microservices Developer.
  • 2. Innovative solutions for the project
  • 3. Best industry practices coding guidelines and standard
  • 4. AWS Solution Architect
  • 5. Upgrade other team members from JAVA 7 to JAVA 8
  • 6. parallel working on multiple technologies as per project requirements
  • 7. Research on new technology and provide adequate information to the team members
Java 8Spring BootMicroservicesPostgreSQLAWS S3JWT token+1

Verizon

System Development Analyst

May 2018Nov 2018 · 6 mos · Chennai Area, India · On-site

  • Role Overview: As a System Development Analyst at Verizon, I played a pivotal role in converting legacy LEC, fiber, and adapter services into Spring Boot microservices. This transformation involved implementing microservices architecture to replace the
  • legacy system. I worked as an individual contributor, responsible for the design and development of key microservices using Java 8, Spring Boot, microservices architecture, PostgreSQL, Oracle DB, and various essential tools. Additionally, I developed a utility for converting and validating Oracle DDL and DML queries into corresponding PostgreSQL queries.
  • Key Contributions: Spearheaded migration from legacy systems to Spring Boot microservices, demonstrating expertise and adaptability.
  • Designed and developed critical microservices for seamless service transition.
  • Contributed to improving efficiency and reliability within Verizon project.
  • Researched and adopted new technologies to add value to existing offerings
  • My role at Verizon showcased a strong commitment to innovation, system optimization, and effective individual contributions.
  • Java / Spring boot Micro service architect & Developer and AWS Solution Architect
Java 8Spring BootMicroservicesPostgreSQLOracle DBJava

Rs software

2 roles

Associate Software Engineer

Feb 2016Mar 2018 · 2 yrs 1 mo

  • Role Overview: I joined RS Software as Trainee Software Engineer, initially as automation tester for VISA ALM Project.
  • Later, Contributed as Java developer significantly to both UPI and BBPS projects for NPCI.
  • Primary focus was on BBPS project, where worked from inception to production, handling development, support, and critical issue resolution.
  • Key Contributions: Led development of BBPS Main Gateway, OU simulator and testing framework.
  • Collaborated with various teams to troubleshoot complex issues.
  • Played crucial role in benchmarking and optimizing transaction throughput.
  • Conducted effective root cause analysis for production issues.
  • Developed robust, scalable, modular and API-centric infrastructures
  • Provided guidance and mentored less-experienced staff members
  • Delivered unit-tested systems within customer prescribed timeframes
JavaSpring FrameworkBBPS Main GatewayUPIVISA ALM ProjectSoftware Development

Trainee Software Engineer

Feb 2015Feb 2016 · 1 yr

  • Worked for payment gateway client VISA
  • Had been involved in mission critical projects being implemented for National Payment Corporation of
  • India (NPCI) & Reserve Bank of India ( BBPS ) as part of the Digital India Initiative.
  • Roles &Responsibilities: Associate software engineer (Developer)
  • Interact with the client & as per client request do needful changes in code level.
  • DataBase Query Optimization.
  • Bug fixing, code review and deployment updated application in production environment
  • JVM performance tuning and Thread dump analysis
  • Managing Application Support team member
  • Configure and managing Sandbox, Comfort & UAT environment.
  • Implementing Automation framework for XML based Restful web service testing.
  • Status reporting with appropriate and relevant Dev. metrics (to client and senior management)

Education

Future Institute Of Engineering and Management

Bachelor of Technology (B.Tech.) — Computer Science and Engineering

Jan 2010Jan 2014

Purba barasat Adarsha Vidya Peeth

Higher Secondary (12th) — Science

Jan 2008Jan 2009

Purba Barasat Adarsha Vidya Peeth

Secondary (10th) — General

Jan 2007Jan 2008

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