Senior Software Engineer
About The Position
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. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
Requirements
- Bachelor’s degree in Computer Science, Software Engineering, related field, or equivalent experience.
- 12–15+ years (or 10-13 years with Master’s Degree) of professional software development experience.
- Strong backend development experience in languages such as: Java, Spring Boot, Hibernate, Hibernate using native queries
- 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.
- Familiarity with containerization technologies like Docker and Kubernetes.
- Experience with version control systems such as Git.
- Experience with CI/CD pipelines such as Gitlab.
- Strong understanding of software architecture, design patterns, and system scalability.
- Strong problem-solving and analytical thinking.
- Passion for quality control and improving engineering practices.
- Excellent communication and collaboration skills.
- Ownership mindset and accountability for deliverables.
Nice To Haves
- Experience with frontend frameworks (React, Angular, or Vue).
- Knowledge of infrastructure-as-code tools (Terraform, CloudFormation).
- Experience with observability tools (Datadog, Prometheus, Grafana).
Responsibilities
- 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.
- Write clean, maintainable, well-tested code following best practices.
- Review code and mentor junior engineers.
- Optimize applications for performance, scalability, and reliability.
- Support CI/CD pipelines and cloud infrastructure for application.
- Participate in Agile ceremonies including sprint planning, standups, retrospectives, and PI planning events.
- Troubleshoot production issues and implement long-term solutions.
- Functions as a technical expert across multiple project assignments.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
