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OutSystems Logo OutSystems · IT - Software Development

Lead Software Engineer - Fullstack

Portugal; United Kingdom · Job Posted February 20, 2026
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Job Description

As a Lead Software Engineer in OutSystems R&D, you’ll help shape the experience of the next generation of AI driven developer capabilities that are offered by our Platform, building delightful, powerful, and high-performance tools that make modern application development faster and more enjoyable.

Job Responsibility

  • Drive the solution design, implementation, and maintenance of robust, delightful, scalable, and secure core features for our developers building apps on OutSystems
  • Collaborate with product managers, UX designers, and other engineers to deliver solutions that balance functionality, usability, scalability, and high degree of automation
  • Own features end-to-end: from architecture and technical design to alignments, coding, testing, deployment, and monitoring in production
  • Drive engineering excellence by promoting clean code practices, automated testing, performance optimization, and continuous delivery
  • Mentor and support other engineers, fostering knowledge sharing and a culture of innovation
  • Stay up to date with emerging technologies and bring forward ideas to continuously improve our engineering

Requirements

  • Proven experience (7+ years) as a software engineer solving complex problems, and building high-impact products or platforms
  • Strong skills in TypeScript/JavaScript and modern web development frameworks (e.g., React, Angular, or similar)
  • Strong skills in C# (.NET Core)
  • Solid understanding of software architecture, design patterns, and scalability principles
  • Experience with cloud-native development (e.g., microservices, containers, CI/CD pipelines, monitoring, distributed systems)
  • Knowledge of performance optimization, debugging complex issues, and ensuring product reliability at scale
  • Excellent collaboration skills, with the ability to work across product, design, and engineering teams
  • Passion for delivering outstanding developer experiences and helping others build great software
  • Good communication skills and fluency in English

Nice to have

Familiarity with building developer tools, IDEs, or productivity software is a strong plus

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