Senior Java Softwareentwickler (m/w/d)

We are seeking an experienced Senior Software Engineer with a strong backend focus and full-stack capabilities to design, build, test and maintain scalable software systems. This role will play a key part in architecting backend services, developing APIs, and collaborating with development team to deliver reliable, high-performance applications.

The ideal candidate has deep experience in backend systems, cloud-native architectures, testing, and modern CI/CD practices and tools, while also being comfortable contributing across the full stack when needed.

Design and develop scalable backend services, APIs, and microservices.

Create and maintain full-scale testing architecture plans and system design for software application.

Build, test, and maintain high-performance, secure, and reliable applications.

Collaborate with product managers, designers, customers, and engineers to deliver new features.

Optimize applications for performance, scalability, and reliability.

Support CI/CD pipelines and cloud infrastructure for application.

Participate in Agile ceremonies including sprint planning, standups, and retrospectives, and PI planning events.

Functions as a technical expert across multiple project assignments.

Bachelor's degree in Computer Science, Software Engineering, related field, or equivalent experience.

4-8 years (or 2-6 years with Master's Degree) of professional software development experience.

Strong backend development experience in languages such as:

Java

Strong automated testing experience in end-to-end testing, regression testing, integration testing, etc

Experience building RESTful APIs and microservices architectures.

Strong knowledge of relational databases (PostgreSQL, MySQL, etc.)

Experience with cloud platforms such as AWS, Azure, or Google Cloud.

Experience with agile project management software such as Jira, Confluence, etc.

Experience with CI/CD pipelines such as Gitlab.

Strong understanding of software architecture, design patterns, and system scalability.

Experience with frontend frameworks (React, Angular, or Vue).

Passion for quality control and improving engineering practices.

Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. Securing Your Data

Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., com automated system - never from free commercial services (e.g., If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at .

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law.