Senior Technical Consultant (Python TypeScript) Madrid
Location Madrid, Spain
Compensation Up to €120k per year, negotiable, plus bonus.
Responsibilities
Design and implement core application logic, build APIs and microservices handling data processing, business rules, third‑party integrations, and oversee secure, reliable server environments.
Collaborate with internal teams and customers: gather detailed requirements through meetings and workshops, shape product vision and roadmap by offering technical insight and feasibility guidance, remain hands‑on with architecture and design.
Lead technically: instill best practices, conduct code reviews, mentor, and collaboratively problem‑solve to help team remove blockers and deliver high‑quality software.
Qualifications
You have studied at a top 10 university in Spain (or top 200 globally) and have achieved 9.0 and above in Bachillerato and 7.0 and above in University - Computer Science or Mathematics preferred.
You have strong software engineering experience with Python, TypeScript, RESTful APIs, Vue.js, PostgreSQL, CI/CD, Cloud, DevOps.
You have advanced communication and client relationship building skills gained within a consultancy environment.
You have strong business acumen.
You're a technologist who enjoys collaborating and problem solving.
You have a good knowledge of modern software engineering best practices across the full software development lifecycle.
You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms.
You're excited to join a start‑up in a role that you can shape and influence.
Benefits
Salary (to €120k, negotiable).
Bonus.
25 days holiday.
Generous pension contribution.
Continuous career development opportunities.
Social team atmosphere with a range of events and early finish for drinks on Fridays.
At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
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