Job was saved successfully.
Job was removed from Saved Jobs.

Job Details

Senior Kafka/Java Developer


Senior Developer


Baltimore, Maryland, United States


Leidos is seeking a Senior Kafka/Java Developer to be part of the mission solution and help lead SSA’s Digital Modernization Strategy. Join one of our high performing teams responsible for building the next-generation enterprise APIs and modern applications using data streaming and event driven architecture to modernize the speed at which business is done. We serve the Social Security Administration (SSA) and their mission to meet the changing needs of the public, positively impacting at least 65 million American lives per month. We are a team of forward-looking professionals in need of a strong candidate with these key required skills: Kafka Architecture, Kafka APIs (Consumer, Producer, Streams), Data Streaming, Data Serialization (Avro, JSON), and Modern Software Development (Java with Spring Boot, Python, or C# with .Net Core).

If this sounds like a mission you want to be a part of, keep reading!


Your passion and values might be a good fit for our teams if you answer “yes” to the following questions:

  • Are you looking for a company that puts employees first, with a focus on career, flexibility, and well-being?
  • Do you enjoy collaborating with colleagues and teammates and believe that the best ideas are fostered in an inclusive environment?
  • Are you searching for a team with a strong sense of ownership, urgency, and drive for daily mission success?
  • Are you comfortable with proactive outward communication and technical leadership?
  • Do you enjoy being a catalyst, solving complex problems, and providing innovative solutions?
  • Do you have the flexibility, creativity, and resilience to pivot the mission for success?
  • Do you have the courage to make tough ethical decisions with pride, transparency, and respect?


Our teams are dedicated to supporting new team members in an environment that celebrates knowledge sharing and mentorship. Experienced team members will be assigned to new hires for one-on-one mentoring, collaborative reviews, and coaching on customer engagement to help each new hire successfully onboard and demonstrate their skills. Projects and tasks are assigned in a way that leverages your strengths and will help you further develop your skillset.


Every position we take is more rewarding when you know the why behind it. Know your work makes a difference to support those who need it most. If your passion is enabling life changing service to those around, you this is the place for you. Find you passion in a team environment where all members are valued regardless of contractor or employee status. Find your “Why” with us and take your place in our Leidos Family!!

  • Architect, design, develop, and implement next-generation data streaming and event-based architecture / platform using software engineering best practices in the latest technologies:
    • Data Streaming, Event Driven Architecture, Event Processing Frameworks
    • DevOps (Jenkins, Red Hat OpenShift, Docker, SonarQube)
    • Infrastructure-as-Code and Configuration-as-Code (Ansible, Terraform / CloudFormation, Scripting)
  • Provide software expertise in one or more of these areas: event-driven architecture, application integration, service-oriented architectures (SOA), security, business process management/business rules processing, CI/CD pipeline and containerization, or data ingestion/data modeling.
  • Investigate and repair application defects regardless of component: Kafka Platform, business logic, middleware, or database (PL/SQL and Data Modeling).
  • Brief management, customer, team, or vendors using written or oral skills at appropriate technical level for audience
  • All other duties as assigned or directed

FOUNDATION FOR SUCCESS (Basic Qualifications)

  • Bachelor's Degree in Computer Science, Mathematics, Engineering or a related field. Experience may be substituted in lieu of degree.
  • Master’s or Doctorate degree may substitute for required experience
  • 8 years of combined experience with modern software development (Java with Spring Boot, Python, or C# with .Net Core)
  • 4+ years of combined experience with Kafka (Confluent Kafka, Apache Kafka, Amazon MSK)
  • 2+ years of combined experience data streaming, developing event-driven applications or/and event processing frameworks (Kafka Streams, Apache Flink, or ksqlDB)
  • Must be able to obtain and maintain a Public Trust. Contract requirement.

*** Selected candidate must reside within two (2) hours of SSA Headquarters in Woodlawn, MD

*** Selected candidate must be willing to work on-site at least 2 days a week.


These skills will help you succeed in this position:

  • Competence with multiple modern programming languages and frameworks, including Java with Spring and at least one other.
  • Understanding of Domain Driven Design (DDD) and experience applying DDD patterns in software development.
  • Practical experience with event-driven applications and at least one event processing framework, such as Kafka Streams, Apache Flink, or ksqlDB.
  • Experience working with Kafka connectors and/or development with the Kafka Connect API
  • Experience with Avro data serialization and schema governance.
  • Experience developing applications for PaaS (Red Hat OpenShift, Kubernetes) and Docker containers.
  • Basic understanding of DevOps and tools (Git/Bitbucket, CI/CD pipelines, Jenkins, SonarQube).
  • Experience with API development & monitoring tools (Ready API, Swagger, Splunk, Dynatrace)
  • Experience working on Agile projects and understanding Agile terminology.


Showcase your knowledge of modern development through the following experience or skills:

  • Preferred experience with AWS cloud technologies or other cloud platforms; AWS cloud certifications.
  • Experience with Infrastructure-as-Code and Configuration-as-Code (Ansible, CloudFormation / Terraform, Scripting)
  • Solid experience with automated unit testing, TDD, BDD, and associated technologies (Junit, Mockito, Cucumber, Selenium, and Karma/Jasmine)
  • Solid knowledge of relational databases (PostgreSQL, DB2, or Oracle), SQL, and ORM technologies (JPA2, Hibernate, or Spring JPA)
  • An in-depth knowledge of Social Security Administration (SSA).

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams and contribute to our communities. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. Every position we take is more rewarding when you know the why behind it. Know your work makes a difference to support those who need it most. If your passion is enabling life changing service to those around, you this is the place for you. Find your passion in a team environment where all members are valued regardless of contractor or employee status. We are excited for you to take your place in our Leidos Family.

Are you an US citizen, US resident, or Visa candidate and think you might fit? We recommend you apply and start the conversation today! Join us in supporting our SSA contracts in Woodlawn, Maryland.


Original Posting Date:


While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $81,250.00 - $146,875.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. 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.