I’m a results-driven Senior Full Stack Developer with 12 years of experience designing scalable, secure, cloud-native applications across financial, insurance, and enterprise domains. I specialize in building modular architectures, delivering high-availability microservices, and collaborating across cross-functional teams to automate onboarding, data processing, and integrations. I enjoy solving complex business problems with a mix of Java, Python, and modern front-end frameworks, while maintaining a strong focus on security, performance, and maintainability. I thrive in fast-paced Agile environments and actively mentor peers to improve code quality and engineering practices. My passions include designing scalable cloud-native solutions, implementing event-driven architectures, and leveraging AI-assisted tooling to accelerate development and ensure robust, observable systems.

Sreeja Adelly

I’m a results-driven Senior Full Stack Developer with 12 years of experience designing scalable, secure, cloud-native applications across financial, insurance, and enterprise domains. I specialize in building modular architectures, delivering high-availability microservices, and collaborating across cross-functional teams to automate onboarding, data processing, and integrations. I enjoy solving complex business problems with a mix of Java, Python, and modern front-end frameworks, while maintaining a strong focus on security, performance, and maintainability. I thrive in fast-paced Agile environments and actively mentor peers to improve code quality and engineering practices. My passions include designing scalable cloud-native solutions, implementing event-driven architectures, and leveraging AI-assisted tooling to accelerate development and ensure robust, observable systems.

Available to hire

I’m a results-driven Senior Full Stack Developer with 12 years of experience designing scalable, secure, cloud-native applications across financial, insurance, and enterprise domains. I specialize in building modular architectures, delivering high-availability microservices, and collaborating across cross-functional teams to automate onboarding, data processing, and integrations. I enjoy solving complex business problems with a mix of Java, Python, and modern front-end frameworks, while maintaining a strong focus on security, performance, and maintainability.

I thrive in fast-paced Agile environments and actively mentor peers to improve code quality and engineering practices. My passions include designing scalable cloud-native solutions, implementing event-driven architectures, and leveraging AI-assisted tooling to accelerate development and ensure robust, observable systems.

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Experience Level

Expert
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Expert
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Expert
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Language

English
Fluent

Work Experience

Sr Full-Stack Developer at BNY MELLON, NY
September 1, 2023 - Present
Led development of modular financial onboarding platform using Spring Boot 3.x (JDK 17), Angular 14 and React.js to enable scalable onboarding across Global Markets and Asset Servicing. Built secure RESTful microservices with Spring Security, OAuth2 and JWT, Spring Data JPA, and Hibernate. Developed Python (FastAPI) services and Node.js back-end modules for lightweight integrations. Implemented CRUD, request/response validation, and DI across services. Implemented Python-based fraud detection with Pandas/NumPy. Architected data offloading from MongoDB to AWS S3; designed caching with Redis and Hazelcast; implemented Kafka-based event-driven communication. Created workflow-driven UI forms via Form.io and Angular. Defined IaC with AWS CDK (TypeScript) provisioning Lambda, API Gateway, DynamoDB, and RDS; containerized services with Docker and deployed to ECS/EKS. Enhanced CI/CD with GitHub Actions and GitLab CI/CD; authored technical docs with OpenAPI/Swagger. Achieved 85%+ code coverage
Sr Full-Stack Developer at Encova Insurance, Columbus, OH
January 1, 2021 - August 31, 2023
Developed and maintained scalable Java/Python microservices to onboard multiple financial products using Spring Boot 3.x/JDK 17, JWT/OAuth2 security, and Hibernate. Built dynamic React.js front-end forms enabling product-specific onboarding flows with reusable components. Developed Python/FastAPI microservices for lightweight data processing and internal APIs, and TypeScript-based NestJS services for orchestration. Implemented Quartz Scheduler for time-based tasks; Hazelcast distributed caching; Kafka-based event streaming for near real-time data exchange; Liquibase for schema migrations; GraphQL endpoints to support flexible frontend data retrieval. Used AWS-native patterns (Lambda, API Gateway, DynamoDB, ECS/EKS) via AWS CDK to provision infrastructure. Containerized services with Docker and deployed on Kubernetes; ensured 85%+ test coverage using JUnit and PyTest; implemented CI/CD pipelines with GitLab CI/CD; enabled cross-language authentication with OAuth2/JWT. Implemented API se
Sr Full-Stack Developer at PGW, Philadelphia, PA
July 1, 2018 - December 31, 2020
Developed secure, scalable applications using Spring Boot 2.x, JDK 8, and Angular 8 for administrators and end-users. Implemented Python utilities and backend scripts for data validation and batch processing; used Spring AOP for centralized logging, Spring Batch for scheduled data transformations, and Node.js/Express-based APIs to support frontend and third-party integrations. Used Spring Data JPA with PostgreSQL and Liquibase for schema management; implemented caching with Redis and Ehcache to improve performance. Achieved 85%+ code coverage with JUnit and integrated Docker-based deployments to AWS via GitLab CI/CD. Built event-driven workflows using SQS, SNS, and AWS EventBridge for asynchronous communication. Created GraphQL endpoints to optimize data retrieval, enabled CORS for React frontend, documented APIs with Swagger/OpenAPI, and instrumented with Spring Boot Actuator for observability. Leveraged AWS ECS/EKS for container orchestration and applied ongoing refactoring to reduce
Sr Java Full-Stack Developer at PDI, Addison, Texas
July 1, 2016 - June 30, 2018
Developed and deployed Spring Boot 2.x microservices using JDK 8 following RESTful and domain-driven design principles. Designed database interaction layers with Spring Data JPA (MySQL) and supported reporting and automation using Python SQL scripts. Built interactive Angular interfaces consuming REST APIs from backend services. Developed Python-based REST utilities and background scripts to support data processing, monitoring, and system integrations. Integrated Feign Client for inter-service communication and implemented CRUD, pagination, sorting, and custom queries. Created scheduled jobs using Spring Boot Scheduler and Python cron-based tasks for automation and maintenance activities. Secured backend services using Spring Security and JWT, with Python scripts used for token validation and testing. Wrote unit and integration tests using JUnit, Mockito, and basic Python testing frameworks to ensure system reliability. Followed CI/CD practices using Git, Jenkins, and Python build scri
Sr Java Full-Stack Developer at Logic Square Private Limited, Pune India
August 1, 2014 - June 30, 2016
Developed and maintained web applications using Java 8, Spring MVC, JDBC Template, and PostgreSQL. Created dynamic web pages with JSP, JSTL, Form Tags, and jQuery to enhance frontend functionality. Designed and implemented RESTful web services and Spring MVC controllers for business logic and client-server communication. Wrote and optimized complex PostgreSQL stored procedures for reports and data analytics. Managed version control and collaborative development using GitLab, including commits, branching, and merge requests. Implemented application logging with SLF4J/Log4j and integrated OTP-based authentication via an external SMS client. Followed Agile ceremonies and configured automated GitLab CI/CD pipelines. Participated in SIT/UAT, debugging defects and implementing enhancements. Implemented data-driven batch processes and cloud deployments using AWS and Docker, with monitoring and observability practices.

Education

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Qualifications

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Industry Experience

Financial Services, Software & Internet, Professional Services