Position Title: Senior Java Developer (Apache Kafka, Microservices, Event-Driven Systems)
Location: Remote
Position Status: Contract
Position Description:
We're seeking a Senior Java Developer with deep Apache Kafka expertise to design and build high-performance, real-time, event-driven systems at scale. This role is ideal for a seasoned engineer who thrives in distributed systems, microservices architecture, and streaming data environments.
You'll collaborate closely with engineering, architecture, DevOps, and product teams to deliver scalable, resilient, cloud-ready applications that power enterprise-critical solutions.
Responsibilities
Required Qualifications
7+ years of experience in Java development in enterprise environments
Hands-on expertise with Apache Kafka (Kafka Streams, producers/consumers, topic management)
Strong experience building microservices and distributed systems
Proficiency in:
Java, Spring Boot, and REST API development
Event-driven architecture and real-time data streaming
Deep understanding of:
Kafka internals (consumer groups, partitioning, replication, durability)
Kafka Connect
Performance tuning and fault-tolerant design
Experience with SQL and/or NoSQL databases (e.g., PostgreSQL, MongoDB, Cassandra)
Familiarity with Git, CI/CD pipelines, and modern development workflows
Strong problem-solving, debugging, and analytical skills
Excellent communication and cross-team collaboration abilities
Nice to Have
About Seneca Resources:
At Seneca Resources, we are more than just a staffing and consulting firm, we are a trusted career partner. With offices across the U.S. and clients ranging from Fortune 500 companies to government organizations, we provide opportunities that help professionals grow their careers while making an impact.
When you work with Seneca, you're choosing a company that invests in your success, celebrates your achievements, and connects you to meaningful work with leading organizations nationwide. We take the time to understand your goals and match you with roles that align with your skills and career path. Our consultants and contractors enjoy competitive pay, comprehensive health, dental, and vision coverage, 401(k) retirement plans, and the support of a dedicated team who will advocate for you every step of the way.
QED National is a certified Women-Owned Business Enterprise with WBE certification in New York City, New York State, New Jersey and Delaware. A trusted IT advisor to both public and private sector customers, QED National is headquartered in New York City with offices in Albany, NY. Driven by 24 years of industry expertise and guided by strong, ethical practices, QED National helps clients achieve their business objectives by providing innovative IT consulting, reliable staff augmentation and scalable technology solutions that are custom tailored for their needs. Our outstanding service has earned us an extraordinary client retention rate of ninety-five percent.
PRACTICE AREAS
Cyber / Information Security
IT Management Consulting
IT Staff Augmentation
Technology Solutions
QED National is led by a strong management team, under the direction of founder and president, Colleen Molter. Working with selected organizations, chosen for their outstanding products and support services, QED National delivers expert solutions ranging from IT assessments and governance to intelligent data storage and staff augmentation. It all adds up to comprehensive, customized IT business solutions.
A New York City and New York State Certified Women-Owned Business Enterprise, QED National is a privately held company in continuous operation since 1993. Recipient of New York City, New York State, Florida, California and Fortune 500 contracts, QED National is proud to have sustained success and growth, including “Inc. Magazine’s 5000 Fastest Growing Firms in America” for nine consecutive years —2009 through 2017. View our full roster of awards.
QED National humbly, yet firmly, acknowledges its reputation among its clients as a partner that responds diligently—and expeditiously—to provide the highest quality services. The QED National team ambitiously looks forward to all future opportunities to provide such services.