Senior OutSystems Developer

Role Description

You will join an existing team and take ownership of features and integrations across a portfolio of live, mission-critical OutSystems products and SaaS, while dedicating most of your focus to building new capabilities that did not exist before.

• Solution design and delivery — you take responsibility for the architecture of your own work, execute it, and support it in production, within the guidelines the Tech Lead sets for the team.
• Features and integrations that ship to production — real users, real consequences, and your name on them; from build through unit and integration testing to the bug fixing that makes them solid.
• Integrations with external systems — connecting OutSystems applications to the wider ecosystem according to the defined architecture guidelines, with attention to correctness and error handling under real conditions.
• Your share of the existing portfolio — understanding the applications the team maintains well enough to extend them without accumulating hidden debt, and knowing when something needs escalating.
• Quality before it merges — you develop and apply the instinct to distinguish code that is correct from code that merely looks plausible, before anything reaches production.
• Shared context that makes the team faster — documenting decisions and patterns, and helping the more junior developers grow through review and example.

Qualifications

• At least 4 years of software development experience, with a minimum of 2 years building on OutSystems (required)
• Hands-on OutSystems experience, ODC and/or O11. Deep platform expertise is welcome — but so is a strong engineer from an adjacent stack who ramps fast. (required)
• Strong backend and integration fundamentals: REST APIs, JSON, authentication patterns, and error handling under real conditions (required)
• Solid grasp of solution architecture and application performance, with the ability to estimate and prioritise your own delivery (required)
• Experience with unit and integration testing and the bug fixing that follows (required)
• Active use of AI-augmented development — Claude Code, Cursor, Copilot, Mentor, or similar — as a core part of how you build, not an occasional shortcut (required)
• Fluency in English, written and spoken (required)
• Degree in Computer Science or Engineering

Requirements

• Experience integrating LLMs via API into enterprise applications
• Experience programming with databases — SQL Server, Oracle, or MySQL — and knowledge of database modeling
• Integration knowledge using AWS or Azure-based services
• OutSystems certifications
• Prior experience in small, high-autonomy teams where every person's output is visible and tested daily

Benefits

• Real growth opportunities through structured programs designed to scale your expertise.
• A global collective of world-class talent, collaborating with enterprise software legends and sought-after thought leaders.
• An inclusive culture where talented individuals from all backgrounds are empowered to learn, experiment, and make an impact.