Software Engineer II
First seen by Alion on Sep 25, 2026.
Position summary:
The Software Engineer II will be a strong individual contributor responsible for designing, developing and supporting scalable enterprise applications and APIs. The engineer will work closely with senior engineers and product teams to deliver modern cloud-based solutions while contributing to engineering quality, system reliability and continuous improvement.
Key responsibilities:
- Develop scalable backend services using Java 17+ and Spring Boot.
- Build and maintain RESTful APIs and microservices.
- Collaborate with product, QA and DevOps teams throughout the software-development lifecycle.
- Participate in technical-design discussions and code reviews.
- Write unit and integration tests.
- Troubleshoot and resolve production issues.
- Contribute to CI/CD automation and engineering best practices.
- Support semantic content-enrichment and knowledge-graph capabilities.
Required qualifications:
- 4+ years of software-development experience.
- Strong Java and Spring Boot experience.
- REST API development, SQL databases, AWS cloud services, Docker.
- CI/CD pipelines, Git-based workflows, Agile development methodologies.
- JUnit and Mockito.
- Expert.ai experience for natural-language understanding, entity extraction and AI-driven content enrichment.
- GraphDB and SPARQL experience, RDF-based knowledge graphs.
- Graph-data modelling and ontology design, Linked-data principles and property-graph patterns.
- Semantic modelling using OWL, RDF/RDFS and SKOS.
- Semantic text analytics for automated classification, tagging and content intelligence.
Preferred qualifications:
- Kubernetes, React and JavaScript/TypeScript.
- Kafka or other event-driven systems, NoSQL databases, Observability and monitoring tools.
Skills
Java, Spring Boot, RESTful, Knowledge Graph, SparQL, RDF, AWS, RESTful API, Microservices Architecture