Mousa Adolai

Skilled backend-leaning software professional with 5 years of experience in Java development, REST API design, and automated backend validation. Strong foundation in Spring Boot, MVC, and microservices architecture, with a proven track record improving reliability, performance, and code quality across distributed systems. Brings a test-driven mindset from Quality Engineering, building scalable, maintainable services used across high-traffic platforms. Mission-aligned engineer dedicated to continuous improvement, clean code, and building technology that empowers users at scale.

Languages: Java, SQL, JavaScript/TypeScript
Frameworks: Spring Boot, MVC, Security, JPA/Hibernate
APIs: RESTful APIs, Postman, Feign Client
Testing: JUnit, REST Assured, Playwright, Selenium
Databases: PostgreSQL
DevOps/Cloud: Docker, Git, AWS (EC2, S3)
Tools/Concepts: Splunk, CI/CD, Microservices, OOP, TDD, Agile

Backend Developer — Cydeo Java/Spring Projects

2023 – 2024

• Built RESTful backend services using Java, Spring Boot, MVC, Spring Security, and Spring Data JPA, implementing clean architectures and reusable components.
• Designed and consumed internal APIs across microservices using Feign Client and REST client patterns, enabling reliable inter-service communication.
• Developed and optimized PostgreSQL data models, applying indexing strategies, efficient queries, and real-time data validation to support high-volume operations.
• Implemented full request pipelines including DTO mapping, entity persistence, transactional service logic, and domain-driven design practices.
• Built robust unit and integration test suites using JUnit and Spring Test, reinforcing TDD principles and ensuring system correctness.
• Containerized backend services using Docker and local distributed environments, deploying application builds to AWS (EC2/S3) for testing and integration, improving build consistency and deployment reliability.

Software Development Engineer in Test Lead | Feb. 2022 - Present | Cognizant @ Lincoln Financial Group – Radnor, PA

• Engineered and maintained Java/Spring-based backend validation frameworks, improving system reliability and reducing production defects by 25%.
• Designed automated REST API suites using Java, REST Assured, and Postman, raising backend test coverage by 30% and reducing debugging cycles.
• Collaborated with backend engineers to analyze service logic, data flows, and integration points—contributing to the design and validation of new RESTful APIs.
• Led migration of frontend automation from Selenium/Java to Playwright/TypeScript, enabling stable cross-browser validation and improved test resilience.
• Implemented automated performance, regression, and data-integrity checks across distributed systems using Java, SQL, and CI/CD pipelines.
• Worked across four Agile Scrum teams to plan, prioritize, and deliver sprint objectives, aligning backend logic, test coverage, and system requirements.
• Performed deep-dive root cause analysis across service layers, splunk logs, and database transactions, reducing mean time to resolution.

Software Development Engineer in Test | Apr. 2020 - Feb. 2022 | Plus Library – Tysons Corner, VA