About Telespazio UK
Telespazio UK is one of Europe’s leading players in the space applications and services sector, with over 45 years of experience delivering consulting, technology, and engineering services. As a subsidiary of Telespazio—a joint venture between Leonardo (67%) and Thales (33%)—we operate at the forefront of innovation in Earth Observation, Satellite Navigation, Communications, and Space Operations.
Senior Linked Data Developer
Role Overview
Join us as a Semantic Web Specialist driving the architecture and implementation of cutting-edge linked data solutions. You’ll design robust semantic models for environmental observation data, craft SHACL-based validation frameworks, and build scalable services that marry performance with W3C standards. Collaborate with domain experts to transform requirements into RDF models and guide best practices in semantic web compliance.
What You’ll Do
* Engineer validation schemas aligned with SOSA/SSN standards
* Develop DCAT3-compliant metadata services and SKOS vocabularies
* Implement Triple Pattern Fragments for efficient data access
* Optimize semantic models for speed and standards compliance
* Create tools for data harmonization and domain modeling
* Design versioning strategies for evolving vocabularies
* Build Hydra-compliant hypermedia APIs
* Handle geospatial data using WKT and geographic vocabularies
* Write and tune SPARQL queries, integrate SQL-to-RDF pipelines
Deliverables
* SHACL validation schemas with automated testing
* Semantic models and vocabulary management systems
* DCAT3 metadata services, SKOS vocabularies
* Triple Pattern Fragments and Hydra APIs
* Geospatial processing tools and harmonization workflows
* Optimized SPARQL queries and transformation code
* Technical documentation and architecture guides
Must-Have Skills
* Expert in RDF, RDFS, OWL, SHACL, and semantic web standards
* Deep knowledge of SKOS, DCAT3, SOSA/SSN, Hydra
* Proficient in SPARQL, SQL, and data validation frameworks
* Strong ability to translate domain needs into semantic models
* Experience with federated linked data architectures
Bonus Points For
* Triple Pattern Fragments, JSON-LD APIs, performance tuning
* OGC standards and environmental data formats
* FastAPI, Python, Docker, Git, and modern workflows
What We Offer
* Work-life Balance: Flexible and hybrid working options
* Annual Leave: Generous allowance with buy/sell flexibility
* Pension: Award-winning scheme with up to 15% employer contribution
* Healthcare: Company-funded private healthcare via BUPA
* Development: Personal development and training opportunities
* Flexible Benefits: Customizable lifestyle, health, and wellbeing options
* Discounts: Everyday savings with retailers, restaurants, and leisure activities
* Support: Confidential Employee Assistance Programme
At Telespazio UK, the well-being, safety, and development of our people are at the heart of our corporate culture. We actively foster an inclusive, diverse, and stimulating work environment, promoting the principles of equity and the value of diversity. All qualified applicants will receive consideration for employment without regard to race, religion, gender, sexual orientation, national origin, disability, or age.
In line with Asylum & Immigration legislation, all applicants must be eligible to live and work in the UK or EU (as applicable). Documented evidence of eligibility will be required during the recruitment process. Due to the nature of our work, all potential employees will undergo stringent reference and identity checks.