Senior Java Engineer

UST España & Latam; Madrid; Híbrido; EUR 55.000 - 75.000; Jornada completa

Descripción de la vacante

A leading company in digital technology services is seeking a Senior Java Engineer to drive technical ownership and architectural direction. Candidates with 9+ years of experience in high-impact services and a strong background in Java and microservices will thrive in this hybrid role, promoting best practices across teams.

Servicios

23 days of annual leave plus discretionary days

Health care and teleworking allowance

Flexible work-life balance measures

Access to training platforms and growth plans

Discounts through UST Club Platform

Referral bonuses for successful candidate recommendations

Option for 12 or 14 payments per year

Formación

• 9–12 years building and scaling distributed systems in agile/DevOps organizations.
• Expert in Java, Spring Boot, and RESTful microservices.
• Exceptional English communication skills.

Responsabilidades

• Define and evolve architecture for large-scale microservices-based systems.
• Architect and optimize CI/CD pipelines for multi-team workflows.
• Mentor senior and mid-level engineers and foster innovation.

Conocimientos

Java

Spring Boot

RESTful microservices

Kafka

Kubernetes

DevOps

Agile methodology

English communication

Educación

BS / MS in Computer Science

Descripción del empleo

UST is looking for the very Top Talent…and we would be delighted if you were to join our family.

More in detail, UST is a multinational company based in North America, certified as a Top Employer and Great Place to Work company with over 35,000 employees worldwide and a presence in more than 35 countries. We are leaders in digital technology services, providing large-scale technological solutions to major companies.

What are we looking for?

For our specialized team, we are seeking a Senior Java Engineer with at least 9 years of experience in the role.

About the Role

As a Senior Java Engineer, you will take technical ownership of critical systems and drive architectural direction across multiple teams. In our agile, DevOps-centric environment, you will lead the end-to-end lifecycle of high-impact services—shaping 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.
• 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

• 9–12 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).
• 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.

We seek someone who spots opportunities, prototypes solutions, and leads the adoption of new technologies. A passion for continuous improvement and fostering a world-class engineering culture is essential.

Technology Stack

• Backend : Java, Spring Boot, Entity Framework, REST
• Frontend : React, Angular, JavaScript / TypeScript
• Data & Messaging : Oracle, PostgreSQL, Kafka, Avro
• Infrastructure & DevOps : Kubernetes (PKS), Docker, Helm, Terraform
• APIs & Modeling : API-first (OpenAPI), UML

Languages : English C1, Spanish Native.

What can we offer?

• 23 days of annual leave plus discretionary days on December 24th and 31st.
• Numerous benefits including health care, teleworking allowance, life and accident insurance.
• Retribución Flexible Program (meals, childcare, transport, online English lessons, health care).
• Access to training platforms, career stability, and growth plans.
• Referral bonuses for successful candidate recommendations.
• Option to choose between 12 or 14 payments per year.
• Work-life balance measures, including flexible WFH policies.
• Discounts through UST Club Platform and gym access.

If you're interested, apply now, and we'll be in touch to provide more details. We look forward to welcoming you.

UST is committed to equal opportunity employment and does not discriminate based on race, gender, disability, age, religion, sexual orientation, or nationality. We especially encourage applicants with disability certificates to apply.