Skillwell helps the world’s leading companies measure and develop skills to drive business performance. Employees apply workplace skills in realistic scenarios while the simulation platform measures their strengths and gaps.
As a Senior Software Engineer, you won’t just "write code"; you will be a steward of technical excellence and evolutionary architecture, ensuring our platform remains adaptable to changing business needs:

Test-Driven Development & Refactoring: Embrace a rigorous Test-First approach to feature design and implementation. Proactively engage in continuous refactoring to ensure the codebase remains clean, highly maintainable, and free from technical debt.

Behavior Driven Development (BDD) : Partner with stakeholders to translate user stories into executable specifications using BDD frameworks, ensuring the "Definition of Done" meets both functional and quality standards.
Continuous Improvement & Dev Ops Culture: Beyond monitoring build health, you will actively seek ways to optimize our CI/CD pipelines to reduce lead time and improve deployment frequency.
Agile Mentorship & Leadership: Lead by example in pair programming and code reviews. Foster a culture of Kaizen (continuous improvement) by facilitating knowledge-sharing sessions on design patterns, SOLID principles, and emerging tech.
Evolutionary Architecture: Use the C4 model and UML to document our system,



ensuring that architectural decisions are collaborative, transparent, and capable of evolving as the platform scales.
Requirements Required: Java Mastery: 7+ years of experience with Java/Jakarta EE, with deep expertise in modern versions (Java 17+).

Test-Driven Development: At least 2 years of professional experience where TDD was your primary development workflow, ensuring all production code is designed, written, and evolved through a test‑first approach. You should be comfortable explaining the benefits of "Red‑Green‑Refactor" and how it facilitates agile delivery.

Continuous Delivery: Deep expertise with Continuous Integration and Continuous delivery practices using Jenkins, Gitlab, Bitbucket or similar tools.
Design & Architecture: Expert-level understanding of OOP, SOLID, and Design Patterns to ensure code is decoupled and easy to change.
Collaborative Mindset: Familiarity with the core principles and concepts of Behavior Driven Development using tools like Cucumber, JBehave or Serenity.
Cloud Infrastructure: Experience with AWS in a commercial setting would be advantageous.

Skillwell is an equal opportunity employer. We will extend opportunities and benefits to employees without regard to race, religion, sex, national origin, age, disability, or veterans’ status. This policy confirms Skillwell commitment to fair employment.

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📌 Senior Software Engineer (Valencia)
🏢 Skillwell
📍 Valencia