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# Sr. Software Engineer (Java & Python)

- **Company:** Huxley Associates
- **Location:** Amsterdam, Netherlands
- **Experience:** Expert
- **Contract:** Temporary contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Component-Based Software Engineering, Automation of Tests, Big Data, Continuous Integration, Programming Tools, Distributed Systems, Graph Database, Python (Programming Language), Meta-Data Management, Parsing, Release Management, Service-Oriented Architecture, Software Engineering, Strategies of Testing, Management of Software Versions, Data Lineage, Apache Kafka, Video Streaming, Api Design
- **Published:** September 18, 2026
- **Apply:** https://www.huxley.com/en-gb/job/sr-software-engineer-java--python/4073749

## About the Role

* Extensive hands-on experience with Java and Python in production environments.
 * Strong background in SDK, library, or platform component development.
 * Excellent API design and software engineering practices.
 * Experience with parsing, validation frameworks, and testing methodologies.
 * Understanding of distributed systems and service-oriented architectures.
 * Knowledge of metadata management, schemas, identity systems, catalogs, or resource naming standards.
 * Strong stakeholder communication and collaboration skills.

Preferred Experience

 * Kafka or event-streaming technologies.
 * OpenLineage, data lineage, metadata management, knowledge graphs, or data catalog platforms.
 * Experience publishing and maintaining multi-language packages and developer tooling.

## Description

We are looking for a Senior Software Engineer to join a high-impact platform initiative focused on creating a scalable, machine-readable identifier standard across a large data ecosystem. The objective is to eliminate inconsistencies between systems by introducing a shared approach to generating, validating, parsing, and resolving identifiers.
You will play a key role in building production-ready URN libraries in both Java and Python and contribute to a resolver service that enables identifier mapping across services and domains., * Design and develop equivalent Java and Python SDKs/libraries.

 * Build support for canonical, extension, nested, and composite identifiers.
 * Implement robust parsing, validation, and error-handling mechanisms.
 * Create and maintain a catalog-driven model for identifier definitions and validation rules.
 * Define versioning, backward compatibility, and release management practices.
 * Develop automated test suites and CI/CD quality controls.
 * Produce clear technical documentation and developer guidance.
 * Collaborate with architects and domain teams to drive adoption of identifier standards.
 * Contribute to resolver service APIs and mapping logic between identifier types.
 * Lead technical delivery from design through MVP and production stabilization.


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