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 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 are we looking for?
We are looking for a highly skilled Integration Engineer to design, develop, and maintain robust integration solutions across enterprise systems.
The ideal candidate will have strong expertise in C, APIs, Microsoft Azure, and SQL, with a focus on building scalable, secure, and high-performing integrations.
This role will be key in enabling seamless data exchange between internal applications, third-party platforms, and cloud services.
High English level is required.
Work Location: 100% Remote ONLY in Spain
Key Responisbilities:
Integration Development
- Design and develop integration solutions using C (.NET / .NET Core)
- Build and maintain RESTful APIs and web services for internal and external consumption
- Develop middleware and orchestration logic to connect disparate systems
API Management & Security
- Define and enforce API standards, governance, and versioning strategies
- Implement authentication and authorization mechanisms (OAuth2, Azure AD, etc.)
- Monitor API performance and ensure secure data exchange
System Integration & Troubleshooting
- Integrate enterprise systems such as ERP, CRM, and third-party applications
- Diagnose and resolve integration issues, ensuring minimal downtime
- Perform root cause analysis and implement preventive measures
DevOps & Best Practices
Support CI/CD pipelines for integration deployments
Apply coding standards, testing frameworks, and documentation practices
Collaborate with DevOps teams to automate deployment and monitoring
Required Skills & Experience
Technical Skills
- Strong experience with C and .NET (Core/Framework)
- Proven experience in building and consuming REST APIs and web services
- Hands-on experience with Microsoft Azure
- Solid knowledge of SQL
- Understanding of microservices architecture and event-driven systems
Integration & Architecture
- Experience designing enterprise integration solutions
- Familiarity with messaging patterns (queues, topics, pub/sub)
- Knowledge of API lifecycle management and integration patterns
Nice to Have
- Experience in financial services or regulated environments, specially wealth management.
- Experience with Snowflake.
- Experience with Alladin and T24
- Knowledge of integration
- Exposure to cloud security and governance frameworks
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…)
- 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 details. UST is waiting for you!
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.