Senior Software Engineer

Keystone AI Sans"; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; letter-spacing: normal; orphans: 2; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;">Exceptional Hospitality Starts with You Keystone AI Sans"; font-size: medium; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;"> Location: 7930 Jones Branch Dr., McLean, VA 22102 (position allows 100% full remote work from anywhere in the U.S.) Keystone AI Sans"; font-size: medium; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;"> Salary: $130,000 - $145,000 Keystone AI Sans"; font-size: medium; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;"> Benefits: Health/Dental/Vision ins., 401(K), PTO, Life/Disability Ins. & more What will I be doing? Keystone AI Sans"; font-size: medium; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;">Design and develop scalable payments microservices using JDK 11 and JDK 21, leveraging frameworks such as Spring Boot, Dropwizard, JAX-RS, and Java REST APIs. Build and optimize CRUD operations across services using MySQL (RDBMS), ensuring performance, data integrity, and reliability in financial transactions. Practice Test-Driven Development (TDD), write comprehensive unit tests (JUnit), and integrate tests (Cucumber) to ensure robustness, maintainability, and high code quality. Participate in peer code reviews via Git & Stash, providing constructive feedback to improve code standards, reducing defects, and enforce best practices. Generate and maintain API specifications and service contracts using OpenAPI/Swagger Codege to enable seamless integration across internal and external systems. Job requires up to 10% of domestic travel. Requirements: Keystone AI Sans"; font-size: medium; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;">Bachelor's degree, foreign equivalent, or higher in Information Systems Technologies, Software Engineering, or related field and three (3) years of experience in Technology, Software Engineering, or related occupation. Keystone AI Sans"; font-size: medium; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;">Requires experience in developing and enhancing enterprise applications with a focus on backend microservices using Java and frontend features using Angular; building and maintaining RESTful APIs with Spring Boot, JAX-RS, Jersey, and Lombok for CRUD operations, service orchestration, and system integration; designing Angular components and leveraging RxJS for state management and reactive programming; applying Test-Driven Development (TDD) with JUnit, Karma, and Jasmine to ensure quality; conducting unit and integration testing with frameworks such as JUnit and Cucumber; contributing to projects through CI/CD pipelines and build tools such as Maven for automated builds, testing, and deployments; and working with relational databases and collaborating in Agile environments including Scrum and Kanban to deliver scalable solutions aligned with client requirements. TO APPLY: Keystone AI Sans"; font-size: medium; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: norm