Overview
UST is looking for the very Top Talent. UST is a multinational company based in North America, certified as a Top Employer and Great Place to Work with over 35,000 employees and presence in more than 35 countries. We are leaders in digital technology services, providing large-scale technologic solutions to big companies. We are seeking a Senior Software Engineer with at least 6 years of experience.
Role
As a Senior Software Engineer, you’ll take technical ownership of critical systems and drive architectural direction across multiple teams. In our agile, DevOps-centric environment, you’ll lead the end-to-end lifecycle of high-impact services—shape design, delivery, and operations—while mentoring engineering leads and influencing best practices at scale. Work location: Madrid (Spain). Work mode: Hybrid (3 days in the office, 2 days remote).
Key Responsibilities
* Technical Strategy & Architecture: Define and evolve the architecture for large-scale, microservices-based systems. Lead cross-team design reviews, ensuring alignment with performance, security, and scalability goals.
* DevOps & Delivery Excellence: Architect and optimize CI / CD pipelines for complex, multi-team workflows. Champion observability, resilience, and "everything as code" across infrastructure and deployments.
* Feature Leadership & Stakeholder Partnership: Own the delivery of major features, coordinating with Product, UX, and Operations to meet business objectives. Act as a senior technical liaison for stakeholders—translating strategic goals into actionable roadmaps.
* Quality & Engineering Standards: Establish and enforce coding standards, testing requirements (TDD / BDD), and performance benchmarks. Introduce and evangelize new tools, frameworks, and processes that elevate team productivity and code quality.
* Mentorship & Organizational Impact: Mentor senior and mid-level engineers—guiding career growth, architectural thinking, and technical decision-making. Lead brown-bags, hackathons, and guild meetings to foster a culture of continuous learning and innovation.
Candidate Profile
* Experience & Education: 6-9 years building and scaling distributed systems in agile / DevOps organizations. BS / MS in Computer Science (or equivalent industry experience).
* Technical Mastery: Expert in Java, Spring Boot, RESTful microservices, and event-driven architectures (Kafka, Avro). Strong frontend acumen with React, JavaScript / TypeScript, and API-first integration (OpenAPI). Deep familiarity with Kubernetes orchestration, container security, and infrastructure as code.
* Architectural & Analytical Skills: Proven track record designing for high availability, performance, and maintainability. Skilled at performance tuning, capacity planning, and defining non-functional requirements.
* Leadership & Communication: Exceptional English communication—able to articulate complex technical strategies to executives and engineers alike. Demonstrated ability to influence across organizational boundaries and drive consensus.
* Collaboration & Vision: Entrepreneurial mindset, spotting opportunities, prototyping solutions, and leading adoption of new technologies. Passion for continuous improvement and fostering a world-class engineering culture.
* Technology Stack: Backend – Java, Spring Boot, Entity Framework, REST; Frontend – React, Angular, JavaScript / TypeScript; Data & Messaging – Oracle, PostgreSQL, Kafka, Avro; Infrastructure & DevOps – Kubernetes, Docker, Helm, Terraform; APIs & Modeling – API-first (OpenAPI), UML; Languages – English C1, Spanish C2.
What Can We Offer
* 23 days of annual leave plus the 24th and 31st of December as discretionary days.
* Numerous benefits (Health Care Plan, teleworking compensation, Life and Accident Insurances).
* Retribución Flexible Program : meals, Kinder Garden, transport, online English lessons, Health Care Plan, etc.
* Free access to several training platforms, professional stability and career plans.
* UST also compensates referrals from which you could benefit when you refer professionals.
* Option to pick between 12 or 14 payments across the year. Real Work Life Balance measures (flexibility, WFH or remote policy, compacted hours in summer).
* Platform discounts and gym access discounts.
Equal Opportunity
UST is committed to equal opportunities in our selection processes and does not discriminate based on race, gender, disability, age, religion, sexual orientation or nationality. We have a special commitment to Disability & Inclusion and are interested in hiring people with disability certificates.
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