Java Developer

Ascentt is building cutting-edge data analytics & AI/ML solutions for global automotive and manufacturing leaders. We turn enterprise data into real-time decisions using advanced machine learning and GenAI. Our team solves hard engineering problems at scale, with real-world industry impact. We're hiring passionate builders to shape the future of industrial intelligence.

Job Description

Senior Java Developer responsible for designing, building, and operating the Java backend that powers the Data Hub application. The role centres on high-throughput REST/streaming API development and real-time data pipelines that ingest, transform, and serve data at scale. The developer will own services end to end - design, coding, testing, deployment, and production support - and collaborate with data engineering, platform, and product teams to deliver reliable, performant, and well-documented backend capabilities.

Key Duties and Tasks

• Design and develop RESTful and event-driven APIs for the Data Hub using Java (17+) and Spring Boot.
• Build and maintain real-time data streaming pipelines using Apache Kafka (producers/consumers, Kafka Streams).
• Model, optimize, and integrate with relational and NoSQL data stores; write efficient queries and manage schemas.
• Implement robust API contracts (OpenAPI/Swagger), versioning, authentication/authorization, rate limiting, and error handling.
• Ensure services are observable and production-ready - logging, metrics, tracing, alerting, and CI/CD automation.
• Write unit, integration, and performance tests; participate in code reviews and uphold engineering standards.
• Troubleshoot and tune performance, latency, and throughput of streaming and API workloads.
• Collaborate with data engineers and architects on Data Hub ingestion, transformation, and serving layers.

Qualifications and Skills Required

Strong hands-on Java backend engineering with proven API development and real-time streaming experience; able to design scalable, fault-tolerant services and work independently in a fast-paced data platform environment.

Education

Bachelor's degree in Computer Science, Engineering, or a related field (Master's a plus).

Experience

6+ years building production Java backend systems, including significant experience with high-volume API development and event/stream processing. Experience in data-intensive platforms, data hubs, or similar large-scale data applications is strongly preferred. Industry experience in manufacturing, automotive, finance, or healthcare data is a plus.

Preference for candidates with data hub / data platform backend experience and demonstrable real-time streaming work. Portfolio or examples of high-throughput API and Kafka-based systems welcome.