Java Backend / Full-Stack Developer (9+ Years)

KAUSTAV PAKIRA

Java Backend / Full-Stack Developer (9+ Years Experience)

Kolkata, India +91-824**-***** / +91-888**-*****

******.*******@*****.***

LinkedIn: linkedin.com/in/kaustav-pakira-60300895/

SUMMARY

Java Backend Developer with 9+ years of experience in software development, application maintenance, and end-to-end project execution.

Expertise in Java, Spring Boot, Microservices, REST APIs, Distributed Systems, and Full-Stack Java development.

Strong background in financial, treasury, lending, and market data systems. Experienced in system migration, cloud deployment (AWS), DevOps, and agile methodologies.

CORE SKILLS

Languages & Frameworks: Java (8+ yrs), Spring Boot, Spring MVC, JMS, Groovy, Apache Camel, ReactJS, JavaScript (ES6), TypeScript, jQuery

Cloud & DevOps: AWS (SNS, SQS, ECS, Lambda, CloudWatch), Jenkins, Azure DevOps, Docker, Git, Bitbucket

Databases: MySQL, Oracle DB, H2, MSSQL

API & Microservices: REST API design (3+ yrs), API integration (1+ yr), OAuth2, JWT, API Gateway

Testing: JUnit, Mockito, performance tuning, debugging

Methodologies: Agile (Scrum, Kanban), CI/CD

Tools: IntelliJ, Eclipse, VS Code

PROFESSIONAL EXPERIENCE

Adventure Consultancy Solutions – Java Developer

Client: Standard Chartered Bank (SG)

Oct 2023 – Present

Adventure Consultancy Solutions – Java Developer

Client: Finastra (UK)

Jul 2021 – Sep 2023

TEKsystems – Java Full Stack Developer

Client: Hewlett Packard Inc

Apr 2020 – May 2021

Collabera – Java Full Stack Developer

Client: CrimsonLogic (SG)

Jun 2019 – Apr 2020

Collabera – Java Developer

Client: Six Dee Technologies

Jan 2019 – May 2019

Easy Modelling Tech Solutions – Java Full Stack Developer

Nov 2017 – Jan 2019

Matrix Media Solutions – Trainee Web Developer

Mar 2015 – Apr 2017

PROJECTS

Market Risk System (MRS) – Standard Chartered Bank

Tech: Spring Boot, Java, Microservices, REST APIs, Bitbucket, Azure DevOps, Jenkins, Maven, Asset Control,Junit,Mockito

Description:

Internal market-risk platform to process real-time market rates for financial instruments (equity, commodity, futures). Integrates with Bloomberg/Reuters and provides a consolidated "golden layer" for downstream systems.

Key Contributions:

Built Market Data Loader API with service-to-service authentication (OAuth2).

Implemented new instrument ingestion from Bloomberg/Reuters.

Designed data normalization and consolidation logic for high-throughput pipelines.

Integrated Asset Control SDK for complex data mapping and golden-layer generation.

Developed microservices for downstream data distribution.

Lending & Treasury Services (FFC – Fusion Fabric Cloud) – Finastra

Tech: Java, JMS, Apache Camel, IBM MQ, Bitbucket, H2, MSSQL, FFC,Junit

Description:

Middleware platform enabling routing of financial events, treasury operations, and lending workflows between Finastra products and external systems.

Key Contributions:

Built Spring Boot + Apache Camel services for user account handling, loan eligibility, credit checks, treasury workflows.

Implemented JWT authentication and service-to-service authorization.

Designed customizable business workflow templates using Camel & MQ event bus.

Created technical documentation: architecture diagrams, sequence diagrams, API specs.

Developed CI/CD pipelines with Jenkins for deployment.

HP Partner Portal – Hewlett Packard Inc

Tech: Java, Spring Boot, ReactJS, AWS ECS, SNS, SQS, Lambda, Docker, Git,Junit,Mockito

Description:

Global portal for HP clients to create and manage product quotes.

Key Contributions:

Migrated monolithic Oracle CPQ system to microservices architecture.

Built ReactJS front-end using Material UI for new customer portal.

Developed AWS-based event architecture using SNS/SQS for quote operations.

Implemented API Gateway, microservices, and Dockerized deployments on ECS.

Created custom logging framework integrated with Kibana.

Global Electronic Trade System (GETS) – CrimsonLogic

Tech: Java, Spring MVC, REST API, Oracle 12c, JMS, Jenkins,Junit

Description:

High-volume global trade connectivity platform handling electronic manifests for international freight.

Key Contributions:

Built air manifest modules for multiple global regions (Mexico, Panama, NA).

Developed UI with JSF and backend with Spring MVC.

Implemented REST/SOAP services for customs integration.

Designed DB schemas and Hibernate mappings.

STC Nedaa (Telecom BSS) – Six Dee Technologies

Tech: Java, Spring MVC, REST API, Oracle 12c, JMS, Jasper Reports,Junit

Key Contributions:

Developed customer management, invoicing, and offer/discount modules.

Implemented Jasper reports for invoices, audits, and periodic statements.

Designed database schema and Hibernate mappings.

Easymodelling / B4S Billing System – Easy Modelling Tech Solutions

Tech: Java, Struts, Spring MVC, REST API, Hibernate, I-pdf library

Key Contributions:

Built modules for model/agency management, event handling, billing, and GST-based tax system.

Integrated SOAP services for event bookings.

Created multi-format invoice generation (PDF/Excel).

Implemented DB schema and ORM mappings.

EDUCATION

Bachelor of Engineering in Electronics & Communication Engineering

Visvesvaraya Technological University, Belgaum, Karnataka (2010–2014)

LANGUAGES

English: Fluent

Contact this candidate