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Senior OutSystems Engineer

Company: Elios

Location: Remote, London

Posted: June 05, 2026

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Position Details

We are seeking a Senior OutSystems Engineer to lead platform stabilization and migration readiness efforts for a large-scale clinical application supporting 130+ locations nationwide. This is a highly hands‑on, high‑impact role focused on improving system performance, reducing risk, and preparing the platform for an eventual transition to a custom‑built solution.

This engagement is expected to begin late April or early May and run approximately 6 weeks, with strong potential for extension based on performance.

What You’ll Do

Stabilize and Modernize Architecture

  • Assess tightly coupled module architecture and reduce dependencies
  • Identify and execute module extraction strategies to improve scalability
  • Minimize risk and blast radius of ongoing changes without disrupting workflows

Optimize Database and System Performance

  • Improve database performance by optimizing queries and implementing inde...