Java/Kafka Developer

C. Mack Solutions

Java/Kafka Developer designing, building, and deploying custom software and database applications for legacy and modernized systems. Collaborating in Agile teams to ensure successful product delivery.

Posted 6/16/2026full-timeAshburn • Virginia • 🇺🇸 United StatesMid-LevelSeniorWebsite

ATS Keywords

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Hard Skills

JavaSpring BootApache KafkaKafka StreamsPostgreSQLSQL ServerOracleSpring Data JPAHibernateCI/CD

Soft Skills

analytical skillsproblem-solvingdebugging skillscommunicationinterpersonal skillsteamworkmentoring

Tools & Technologies

AWSAzureGCPDockerKubernetes

Industry Keywords

Agileevent-driven architecturedistributed systemsmicroservicessoftware developmentsoftware engineeringrelease planning

Tech Stack

Tools & technologies

ApacheAWSAzureCloudDistributed SystemsDockerGoogle Cloud PlatformHibernateJavaKafkaKubernetesMicroservicesOraclePostgresSpringSpring BootSpringBootSQL

About the role

Key responsibilities & impact

Design, build, and deploy custom software and database application features across both legacy and modernized systems
Serve as an Agile Scrum team member providing software development and maintenance for the delivery of releasable software in short sprint cycles
Responsible for activities associated with delivery of software solutions associated with customer-defined systems and software projects by working in close collaboration with software developers/engineers, stakeholders, and end users within Agile processes
Actively participate in release and sprint planning, artifact creation, sprint testing, regression testing, demonstrations and retrospectives and solution releases
Support release planning with conceptual design and development/refinement of software engineering guidelines
Analyze complex project-related problems and create innovative solutions involving scheduling, technology, methodology, tools and solution components
Ensure product quality and timeliness of work, providing advice and guidance, resolving problems to meet objectives, and providing periodic performance reports
Provide mentoring to junior members of the team

Requirements

What you’ll need

5+ years of professional experience in Java backend development
3+ years of hands-on experience building and deploying applications with Spring Boot
Deep, proven expertise with Apache Kafka, including both the Producer and Consumer APIs, Kafka Streams, and related concepts (e.g., topics, partitions, consumer groups, offsets)
Strong experience implementing Kafka solutions using Spring framework
Proficiency with Kafka Schema Registry for schema management and evolution
Solid understanding of event-driven architectures, distributed systems, and microservices design patterns
Experience with relational databases (e.g., PostgreSQL, SQL Server, Oracle) and ORM frameworks (e.g., Spring Data JPA, Hibernate)
Familiarity with cloud platforms (e.g., AWS, Azure, GCP) and containerization technologies (Docker, Kubernetes)
Experience with CI/CD pipelines and DevOps practices
Strong analytical, problem-solving, and debugging skills
Excellent communication, interpersonal, and teamwork abilities
Professional Experience: at least seven (7) years related technical experience, with software design, development and implementation
College degree (B.S.) in Computer Science, Software Engineering, Information Management Systems or a related discipline

Benefits

Comp & perks

U.S. Citizenship is required
Candidate must be able to obtain CBP Public Trust clearance