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# Senior Full Stack Engineer (Java/Angular) - Remote

- **Company:** UST España
- **Location:** Leganés, Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Artificial Intelligence, Application Performance Management, HTML5, Code Generation, D3.Js, Data Visualization, Digital Technology, Internetworking, JSON, Software Engineering, TypeScript, Web Applications, Spring-boot, Backend, Git, Adobe, AngularJS, Information Technology, Real Time Data, Figma, Front End Software Development, React Redux, Restful APIs, Code Restructuring, Software Version Control, Docker, Microservices
- **Published:** August 16, 2026
- **Apply:** https://www.buscojobs.com.es/senior-full-stack-engineer-java-angular-remote-en-leganes-ID-367584300

## About the Role

Mandatory Requirements:8+ years of experience in Front-End development with Angular.Expert-level experience with Angular (latest versions).
Strong hands-on experience implementing real-time data features using ag-Grid or similar technologies.Solid background in Java development.Strong experience developing microservices with Spring Boot or similar frameworks.Advanced knowledge of REST APIs and JSON integrations.Experience with UX/UI design principles and user-centric development.Strong knowledge of TypeScript, JavaScript, HTML5, and CSS3.Experience using AI-driven tools for development, refactoring, UX design, and vulnerability reduction.Experience with Git or other version control systems.English level B2 or higher.
Nice to Have:Experience with state management libraries such as NgRx or Akita.Knowledge of Docker and Kubernetes.Experience with data visualization libraries such as D3.js or Chart.js.Agile/Scrum experience.Background in financial services or other real-time, data-intensive industries.Experience with UX prototyping and design tools such as Figma or Adobe XD.Portuguese communication skills.Bachelor's Degree in Computer Science, Engineering, or a related field (or equivalent practical experience).

## 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 in digital technology services, providing large-scale technological solutions to global enterprises.What we look for?We are looking for a Senior Full Stack Engineer with strong expertise in Angular and Java microservices, passionate about building scalable, high-performance applications and working with real-time data environments.You will collaborate with multidisciplinary teams to deliver innovative solutions while leveraging modern development practices and AI-assisted development tools.? Key Responsibilities:Design, develop, maintain, and enhance web applications using the latest versions of Angular.Participate in Angular upgrade initiatives and modernization projects.Implement and optimize real-time data functionalities using technologies such as ag-Grid or similar solutions.Develop and integrate Java-based APIs and microservices using Spring Boot or equivalent frameworks.Ensure seamless communication between front-end and back-end services through RESTful APIs and JSON data structures.Optimize application performance, scalability, and responsiveness, especially in data-intensive environments.Write clean, maintainable, and well-documented code following software engineering best practices.Troubleshoot and resolve issues related to UI responsiveness and real-time data rendering.Leverage AI-based tools for UX design, code generation, refactoring, and vulnerability remediation.Collaborate within Agile teams and contribute to continuous improvement initiatives.Mandatory Requirements:8+ years of experience in Front-End development with Angular.Expert-level experience with Angular (latest versions).Strong hands-on experience implementing real-time data features using ag-Grid or similar technologies.Solid background in Java development.Strong experience developing microservices with Spring Boot or similar frameworks.Advanced knowledge of REST APIs and JSON integrations.Experience with UX/UI design principles and user-centric development.Strong knowledge of TypeScript, JavaScript, HTML5, and CSS3.Experience using AI-driven tools for development, refactoring, UX design, and vulnerability reduction.Experience with Git or other version control systems.English level B2 or higher.Nice to Have:Experience with state management libraries such as NgRx or Akita.Knowledge of Docker and Kubernetes.Experience with data visualization libraries such as D3.js or Chart.js.Agile/Scrum experience.Background in financial services or other real-time, data-intensive industries.Experience with UX prototyping and design tools such as Figma or Adobe XD.Portuguese communication skills.Bachelor's Degree in Computer Science, Engineering, or a related field (or equivalent practical experience).What can we offer??? 23 days of Annual Leave plus the 24th and 31st of December as discretionary days!?? Numerous benefits (Health Care Plan, Internet Connectivity, Life and Accident Insurances).Retribución Flexible Program: (Meals, Kinder Garden, Transport, Online English Lessons, Health 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.If you would like to know more, do not hesitate to apply and we'll get in touch to fill you in on the details.UST is waiting for you!At 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 a disability certificate.


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