David Segovia Tomas

Full-Stack & AI Tech Lead

Barcelona, Catalonia, Spain

About

Freelance Software Engineer & System Architect with 10+ years of experience designing and delivering complex software systems for a wide range of clients. I specialize in turning ideas, requirements, and operational challenges into scalable, maintainable solutions. My background covers the full stack as well as the full production lifecycle — architecture, development, DevOps adoption, deployment, and ongoing evolution in real-world environments. I’ve helped clients implement modern engineering practices, improve software delivery, and build systems that balance technical quality with business needs. I’m comfortable moving between high-level architecture and hands-on implementation, which allows me to bridge strategy and execution effectively. What drives me most is the challenge of learning, improving, and building better systems every day. I’m especially energized by innovation and currently exploring the rapidly evolving AI space with the same curiosity and practical mindset I bring to every project. I value clean design, strong fundamentals, and solutions that work not just on paper, but in production.

Experience

  • Tech Lead at IBM
    Jun 2026 - Present · 1 mo

  • Mercedes-Benz AG (3 yrs 10 mos)
    • AI Technical Lead & DevOps Engineer
      Sep 2023 - Jun 2026 · 2 yrs 10 mos

      - Spearheaded an innovative AI initiative for Mercedes-Benz, leading the technical architecture and prototype development. - Restructured and modernized enterprise documentation systems, utilizing Large Language Models (LLMs) and advanced prompt engineering. - Deployed scalable Generative AI and Python-based solutions via Docker and Kubernetes. Worked with this client via LTS Beratung.

    • Tech Lead & DevOps Engineer
      Sep 2022 - Jul 2024 · 1 yr 11 mos

      - Tech Lead in a team of 5 engineers, driving delivery standards and technical direction. - Developed APIs with Go, Python, FastAPI and Django, and built React-based metrics dashboards. - Implemented Bash and PowerShell automation and improved CI/CD workflows on Azure. - Set up and operated Grafana, Loki and Prometheus stacks, including dashboards and alerting.

  • React and Cloud Engineer at Omnios
    Jun 2025 - Aug 2025 · 3 mos

    - Developed frontend features and interfaces using React. - Designed and implemented AWS infrastructure with EC2, Secrets Manager, Lambda, DynamoDB and S3. Worked with this client as a freelancer.

  • React Developer & DevOps Engineer at Zurich Insurance
    Jan 2021 - Sep 2022 · 1 yr 9 mos

    - Built and maintained a set of three actuarial software applications using React. - Standardized frontend systems using MUI and Ant Design to improve consistency and delivery speed. - Deployed frontend applications on Azure Kubernetes Service (AKS) using Docker and Helm. - Led migration of multiple web services from on-prem to Azure, including architecture planning and implementation. Worked with this client via Group AV.

  • Full Stack Engineer at Mercedes-Benz AG
    Jan 2017 - Jan 2021 · 4 yrs 1 mo

    - Designed and delivered REST APIs and CLI tools with Java and Spring Boot for enterprise platforms. - Automated UNIX operations with Python and Bash scripting, including Terraform and Ansible infrastructure tasks. - Worked primarily with OpenStack and AWS for cloud workloads. - Built the frontend of an infrastructure e-store using Angular. - Integrated quality and observability tooling with Elasticsearch, SonarQube and Jenkins. Worked with this client via LTS Beratung.