Senior Java Engineer - Remote

UST; Madrid; Hybrid; EUR 65,000 - 90,000; Full time

Benefits offered by this job

Health benefits

Flexible work policy

Remote work option

Training platforms

Career progression

Job summary

UST is seeking a Senior Java Engineer (AWS) to join a global project with a leading financial services client. You will design, build, and maintain high-quality software, taking ownership of the deployment and operation in a DevOps context.

You will work across the SDLC, collaborate with cross-functional teams, and help shape scalable, secure systems. The ideal candidate has deep Java expertise, hands-on AWS experience, and a strong grasp of REST, microservices, and testing strategies.

Qualifications

• Very strong Java programming skills and knowledge of building APIs.
• Deep understanding of all stages in the Software Development Life Cycle.
• Deep understanding of design patterns and principles (e.g. SOLID).
• Experience with different testing types: Unit Testing, API Testing, Acceptance Testing, Load Testing.
• Experience with distributed architectures like SOA or MSA.
• Experience with event-driven architectures: messaging, queues like RabbitMQ/Kafka.
• Experience with REST APIs and AWS services (desirable).
• Experience with Gradle or Maven and Enterprise Jenkins.
• Experience working in an Agile fashion (Scrum/SAFe).

Responsibilities

• Design, build, and maintain efficient, reusable software.
• Own and operate delivered software within the DevOps model.
• Ensure best performance, quality, and responsiveness of applications.
• Work independently and in teams.
• Participate in full SDLC and peer reviews.
• Align with Product Management goals and vision.
• Innovate within the team and technical domain.

Skills

Java

API Design

SDLC

SOA/MSA

Event-driven

REST APIs

Jenkins

Testing

TDD/BDD

Tools

AWS

AWS Lambda

Docker

Gradle/Maven

Serverless

Kafka

RabbitMQ

Job description

Role Description

We are still looking for the very Top Talent…and we would be delighted if you were to join our team! More in details, 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 all over the world and presence in more than 35 countries. We are leaders on digital technology services, and we provide large-scale technologic solutions to big companies.

What we look for?

We are looking for Senior Java Engineer (AWS) who will contribute to a project with one of our global customers, that is a global leader in credit cards, auto loans, banking and saving accounts.

Key Responsibilities

• Design, build, and maintain efficient, reusable, and reliable software
• As part of the DevOps model you build it, you own it and you run it , ensure stable and smooth maintenance of delivered software
• Ensure the best possible performance, quality, and responsiveness of applications
• Work effectively both independently and as part of a team
• Participate in complete Software Development Life Cycle, including occasional QA and peer review
• Work to achieve the goals and vision articulated by Product Management
• Innovate within your team, initiative area and contribute within your technical domain.

Mandatory Requirements

• Very strong Java programming skills and knowledge of building API s
• Deep understanding of all stages in the Software Development Life Cycle
• Deep understanding of design patterns and principles (e.g. SOLID principles)
• Experience with different testing types: Unit Testing, API Testing, Acceptance Testing, Load Testing. CARGA: JMEter, Gatlin
• Experience with distributed architectures like SOA or MSA
• Experience with event-driven architectures. ASíncrn, Mensajería, colas, RabbitMQ, Kafka.
• Experience with REST APIs
• Relevant experience with AWS services (for mid profiles this is a desired skill, not a must). SNS; SQS. Lambdas,. Fargate, Serverless.
• Experience with Gradle or Maven
• Experience with Enterprise Jenkins
• Experience working in an Agile fashion (e.g. Scrum, SAFe)

Desired Skills

• Experience working in a highly regulated environment, like banking
• Experience with Docker
• AWS certification
• Experience with serverless technologies (AWS Lambda, AWS Fargate)
• Experience with TDD and BDD

¿What can we offer?

• 23 days of Annual Leave plus the 24th and 31st of December as discretionary days!
• Numerous benefits (Heath Care Plan, Internet Connectivity, Life and Accident Insurances).
• `Retribución Flexible´ Program: (Meals, Kinder Garden, Transport, online English lessons, Heath Care Plan…)
• Free access to several training platforms
• Professional stability and career plans
• UST also, compensates referrals from which you could benefit when you refer professionals.
• The option to pick between 12 or 14 payments along the year.
• Real Work Life Balance measures (flexibility, WFH or remote work policy, compacted hours during summertime…)
• UST Club Platform discounts and gym Access discounts

Skills

• AWS
• Java
• Test-Driven Development
• Software Design
• API Testing
• AWS Lambda
• Microservices
• Unit Testing
• BDD
• REST
• Jenkins

In UST we are committed to equal opportunities in our selection processes and do not discriminate based on race, gender, disability, age, religion, sexual orientation or nationality. We have a special commitment to Disability & Inclusion, so we are interested in hiring people with disability certificate.