Tomás Caldas

Senior Product Engineer at Screenverse

Porto, Porto, Portugal

About

Currently working at Screenverse Based in Porto, Portugal

Experience

  • Senior Product Engineer at Screenverse
    Nov 2025 - Present · 8 mos

  • Software Engineer at PagerDuty
    Aug 2022 - Nov 2025 · 3 yrs 4 mos

    Joined PagerDuty's newly opened Lisbon team, enhancing my technical Elixir and Phoenix skills - Designed a circuit breaker system with Terraform, Kubernetes, AWS SQS, Redis, and Broadway to prevent 3rd party API rate limiting - Created product dashboards to track and centralize user interactions across Slack, Microsoft Teams, and Zoom using Periscope and MySQL - Designed an integration testing solution with Bypass for API requests and ExMachina for incoming payloads, establishing the first integration tests for owned services - Integrated PagerDuty with Slack, Microsoft Teams, and Zoom third-party APIs using Phoenix, Elixir and React - Managed on-call rotations to support clients, resolving integration-related challenges, and conducting post-mortems, and incident follow-up reviews. - Directed feature development from requirements gathering through delivery, including instrumentation, external communication, and enablement sessions, ensuring high-quality releases and seamless adoption

  • Software Engineer at Coverflex
    Jul 2021 - Jun 2022 · 1 yr

    Joined Coverflex, one of the fastest growing start-ups in Portugal, providing companies and employees a way to manage their benefits in a centralised and flexible way. - Led and implemented a self-service solution enabling customers to onboard without sales team interaction - Developed dashboards with LiveView and PostgreSQL to display transaction data and provide actionable controls - Acquired hands-on experience in a fast-paced fintech startup, contributing to product growth during its early stages. Using Elixir and Phoenix - Facilitated technical interviews, supporting team expansion, and refining the recruitment processes

  • Software Engineer at Xray by Xblend
    Jan 2020 - Jul 2021 · 1 yr 7 mos

    - Developed new features for Xray, the leading Manual & Automated Testing App for Jira, and the Xray Jenkins Plugin - Focused on writing clean, scalable code using Java, Spring, and JavaScript, improving object-oriented development practices - Enhanced debugging and problem-solving skills while providing technical support to clients

  • Xpand IT (1 yr 6 mos)
    • Software Developer
      Sep 2018 - Dec 2019 · 1 yr 4 mos

    • Summer Internship
      Jul 2018 - Sep 2018 · 3 mos

      Developed my skills with Java, Spring and Agile Methodologies. Got introduced to Hibernate and Thymeleaf as part of the Xpand IT Marketplace.