Senior Software Developer

The project is in the public transport industry and involves a 6-month B2B contract with possible extension. The project language is English, and the work mode is remote with occasional business trips to the Denmark office if needed.

• 8+ years of experience in software engineering and enterprise system development.
• Proven hands-on experience with Specification-Driven Development (SDD).
• Strong understanding of AI-assisted software development, Domain-Driven Design (DDD), Behavior-Driven Development (BDD), Test-Driven Development (TDD), and Agile methodologies.
• Experience creating executable specifications and structured engineering documentation.
• Strong stakeholder management and communication skills.
• Ability to bridge business requirements and technical implementation.
• Experience working in large-scale or complex enterprise environments.
• Strong analytical and problem-solving skills.

Nice to have:

• Experience from transportation, railway, or critical infrastructure environments.
• Experience with large-scale digital transformation initiatives.
• Familiarity with regulated or safety-critical systems.
• Experience working with AI coding agents and automated engineering workflows.

Technical competences:

• Experience with .NET / C# / Java / Kotlin.
• REST APIs and microservices.
• CI/CD pipelines.
• Automated testing frameworks.
• Azure or cloud-native platforms.
• Git and DevOps practices.
• Event-driven architecture.
• Enterprise integration patterns.
• AI-assisted development tooling.

• Lead and drive Specification-Driven Development (SDD) practices across software teams.
• Define structured, behavior-driven specifications before implementation begins.
• Translate business requirements into precise, testable, and AI-consumable specifications.
• Create executable specifications including functional requirements, technical constraints, architectural guidelines, business rules, and acceptance criteria.
• Collaborate with architects, developers, QA engineers, and product owners.
• Support AI-assisted development workflows and modern engineering automation.
• Ensure specifications are reviewed and validated before implementation.
• Improve software quality through specification-first engineering practices.
• Establish standards for traceability, consistency, and verification.
• Mentor development teams in modern specification methodologies and engineering discipline.
• Contribute hands-on to software design and implementation when needed.

Work location is remote with possible business trips to Denmark office. The contract type is B2B. Project language is English.