?We are 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 30 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 Senior AWS Application Developer with strong AWS and software engineering expertise, experience building cloud-native solutions, and an AI-first mindset. The adecuado candidate enjoys creating scalable platforms, developer tooling, and best-practice frameworks that enable engineering teams to build

? Location: 100% Remote for candidates based in Spain.

? Language : English is a must. Spanish desirable.

? Responsibilities

- Build and enhance AWS-native applications, APIs, developer tools, and platform services.
- Design reusable patterns, quick starts, and engineering best practices for application teams.
- Develop automated governance, compliance, and operational controls within delivery pipelines.
- Collaborate with engineering teams to drive AI-native development and platform adoption.

✅ Your Profile

- Strong experience in AWS application development and cloud-native software engineering.
- Proven background in serverless architectures, CI/CD automation, and Infrastructure as Code.
- Hands-on experience using AI-assisted development tools and coding agents.
- Passion for building scalable platforms, developer experiences, and reusable engineering solutions.

? Tech Stack

- AWS: Lambda, API Gateway,



Step Functions, Bedrock, AgentCore
- Development: Python, FastAPI, TypeScript, React
- DevOps: GitHub Actions, CI/CD, Infrastructure as Code
- Architecture: Serverless, Event-Driven Architectures, APIs
- Practices: Automated Testing, Observability, Secure-by-Default Delivery, AI-Assisted Engineering
- Platforms: GitHub, Entra ID, Snowflake, Internal Developer

? Work schedule Business Hours. No intensive working days for friday or summer.

? 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, don’t hesitate to apply and we’ll get in touch to fill you in detail. We are 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.

📌 Senior AWS Application Developer | Spain (España)
🏢 UST España u0026 Latam
📍 España