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Outsystem Developer

Job in Leeds, West Yorkshire, ME17, England, UK
Listing for: Apexon
Full Time position
Listed on 2026-02-16
Job specializations:
  • IT/Tech
    Data Engineer, Systems Engineer
Job Description & How to Apply Below

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About Apexon:

Apexon brings together distinct core competencies – in AI, analytics, app development, cloud, commerce, CX, data, Dev Ops, IoT, mobile, quality engineering and UX, and our deep expertise in BFSI, healthcare, and life sciences – to help businesses capitalize on the unlimited opportunities digital offers. Our reputation is built on a comprehensive suite of engineering services, a dedication to solving clients’ toughest technology problems, and a commitment to continuous improvement.

Backed by Goldman Sachs Asset Management and Everstone Capital, Apexon now has a global presence.

Overview

Hiring an Out Systems Software Developer to design, build, and deploy secure, scalable web/mobile applications on the Out Systems low‑code platform for an energy client. Work spans asset/process digitization, field mobility, operations dashboards, and integrations with industry systems (AMI/MDM, SCADA/EMS, ETRM). Collaborate with Product, BA, QA, Security, and Dev Ops to deliver compliant, high‑availability solutions in an agile environment.

Key Responsibilities

  • Deliver Out Systems reactive web/mobile apps for workflows such as outage reporting, field service, asset maintenance, customer self‑service, and trading/operations dashboards.
  • Design robust data models and business logic; implement responsive UIs and client/server actions in Service Studio.
  • Integrate with energy systems and data sources: AMI/MDM, SCADA/EMS, GIS, ETRM/CTRM, CRM/Billing, and data platforms; build REST/SOAP/DB connectors with secure authentication.
  • Optimize performance for high‑volume telemetry and time‑series data (caching, pagination, indexing, async jobs, batching).
  • Implement security aligned to enterprise and regulatory requirements (RBAC, least privilege, audit trails, PII protection); support incident and defect resolution.
  • Automate deployments across Dev/Test/Prod using Life Time/CI‑CD; maintain environment configs and feature toggles.
  • Contribute to documentation, reusable components, and adherence to SDLC and change‑management processes.
  • Participate in agile ceremonies; provide effort estimates and stakeholder demos.

Skills and Qualifications

  • Strong SQL and data modeling; ability to tune queries and aggregates for large datasets and time‑series patterns.
  • API integration expertise (REST/SOAP), including auth (OAuth2/JWT/SAML), retries/backoff, idempotency, and error handling.
  • Secure coding and compliance mindset (RBAC, input validation, secrets management, audit logging).
  • Experience with Life Time deployments, environment promotion, and basic CI‑CD with Git-based workflows.
  • Clear communication, documentation, and agile delivery experience.

Nice to Have

  • Out Systems certifications (Associate/Professional Reactive, Mobile, Architecture, Tech Lead).
  • Energy/Utilities exposure: AMI/MDM, SCADA/EMS, GIS, ETRM/CTRM, CRM/Billing, market communications, or ISO/RTO interactions.
  • Familiarity with data platforms and monitoring: time‑series stores, Azure/AWS services, App Insights/New Relic, and performance tuning at scale.
  • Test automation (Out Systems Test Framework, Postman/Newman) and quality gates in CI‑CD (Azure Dev Ops/Git Hub Actions/Jenkins).
  • Knowledge of industry standards and regulations: NERC CIP, ISO 27001, SOC 2, GDPR/PII, SOX; experience with change control in regulated environments.
  • Field mobility experience (offline sync, geolocation, barcode/QR) and case management/BPT orchestration.

Seniority level

  • Mid-Senior level

Employment type

  • Contract

Job function

  • Information Technology
  • Industries
  • Oil and Gas, Services for Renewable Energy, and Energy Technology

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