AI Senior Backend Engineer

We are growing. And we are looking for talented people. At Decskill, we believe that technological excellence is driven by human talent. We are an IT consulting company with more than 10 years of consolidated experience in the market, focused on building long-term relationships with both our clients and our people. Today, we are a community of over 800 professionals, working from Lisbon, Porto, and Madrid, contributing to impactful technology initiatives. As part of the Astek Group, we combine a strong local culture with a global presence, being active in around 23 countries across 4 continents. This allows us to offer an international context, diverse challenges, and long-term career opportunities, while staying close to our teams. We are looking for an

AI Senior Backend Engineer Responsibilities: Design and develop

scalable, reliable, and high-performance backend services . Build and deliver new features following

software engineering best practices . Ensure code quality through

automated testing, code reviews, and engineering standards . Collaborate with cross-functional teams to ensure alignment and effective delivery. Take ownership of technical solutions and proactively solve technical challenges. Develop

high-quality software

with a strong focus on the end user. Use

AI-assisted development tools

to improve productivity and accelerate development. Contribute to code reviews, testing, refactoring, and technical decision-making. Participate in the

24x7 on-call rotation . Requirements: Degree in

Software Engineering, Computer Science, or a related field

is preferred; equivalent practical experience is also considered. 4+ years of software development experience . Proven experience developing

scalable, reliable, and high-performance backend systems . Strong knowledge of

software engineering principles, algorithms, data structures, and Object-Oriented Design . Experience with

C#, .NET, Java, and Go . Knowledge of

relational and non-relational databases , such as Aurora, DynamoDB, and Redis. Knowledge of

Cloud platforms , particularly AWS or Azure. Experience with

Docker and Kubernetes . Good communication skills and

fluency in English . Hands-on experience with

AI coding assistants , such as Claude or GitHub Copilot. Knowledge of

prompt engineering

for coding, debugging, refactoring, and documentation. Ability to work effectively with different

AI models and AI-assisted development workflows . Understanding of how to

validate AI-generated output

and maintain software quality standards. Experience using AI for

prototyping, test generation, code review, and performance optimization . Fluency in

English . Are you looking for an environment that values curiosity and commitment? Here, your contribution has real impact and individual growth is taken seriously. Find with us the right opportunity to grow What you can expect from us Long-term projects with national and international context. Opportunities to grow technically and professionally. A people-first culture, focused on transparency and trust. Teams that value ownership, collaboration and stability.

If you're interested in this job, please send your CV to cesaltina.abreu@decskill.com with reference "CA/AISeniorBackend Engineer " Your next challenge might start here. At Decskill, we are committed to equal opportunities and non-discrimination. We promote a culture of diversity and inclusion, where recruitment and career progression are based solely on talent, regardless of age, gender, ethnicity, race, nationality, or any other form of discrimination incompatible with human dignity.