Developer / Systems Integrator

An energy efficiency, facility, and utility monitoring company based in Cape Town is seeking a Developer / Systems Integrator who willown live customer systems and make calls about data that clients bill on. Responsibilities: * Bench Commissioning & Go-Live: Build, configure (Modbus/MQTT/credentials), and test edge gateways in the Strand office. Direct field technicians remotely during site go-lives. * Converters & Decoders: Write JavaScript to translate raw device payloads into scaled, named measurements. Correctly handle signed values, 32-bit registers, scaling factors, and unit conversions based on datasheets. * Platform Scripting & Automation: Write Python against the REST API for bulk device operations, data back-fills, key audits, and scheduled health checks. * Dashboards & Reporting: Maintain client dashboards, consumption emails, CSV exports, and alarm summaries that reconcile fully with raw telemetry. * Standards & Documentation: Enforce and audit single measurement-naming standards across clients. Document technical changes inline and maintain issue trackers. * Deployment & Server Support: Support Linux servers, Nginx, TLS certificates, service restarts, and version updates. Read system logs to diagnose offline devices or failed services. Minimum Requirements: * Experience: ~2 years of relevant experience preferred. High-aptitude early-career candidates welcome. * Qualifications: No formal degree required. A portfolio demonstrating practical, real-world capability carries equal weight to a diploma or degree. * Technical Essentials: + Python 3: HTTP APIs, JSON/CSV handling, custom error handling, retries, and pagination (without relying on heavy frameworks). + JavaScript: Fundamentals for payload decoders (bitwise operations, numeric precision, type handling). + Linux & Git: Command line operations over SSH, systemd, log inspection, Git/GitHub workflows. * ### Technical & Domain Advantages (Nice-to-Haves) + Protocols & Systems: Modbus, MQTT, SQL/PostgreSQL, Nginx, Cron, VPNs, Node-RED, or PLC programming. + Languages & Frameworks: Django, Angular, TypeScript, or Java. + Background: Electrical/energy domain knowledge or personal electronics/embedded tinkering. Benefits: Competitive salary based on experience (salary can potentially be more based on experience/skills) IF you meet the above requirements and want to make a career-changing move, apply today by emailing your CV to Hire Resolve IT/Computer Recruiter About Specialists in Civil, Structural, Mechanical Engineering, Information Technology, Mining, Manufacturing and Finance Careers! Hire Resolve is one of the larger and more agile South African recruitment companies that focus on placing professionals and skilled people in permanent employment and contract employment. We prefer and focus on working with top quality professionals and candidates in South Africa and Africa. Hire Resolve has successfully placed Engineering, Mining, IT, Manufacturing and Finance professionals with top firms across the Western Cape, Eastern Cape, KwaZulu Natal, Gauteng and in Africa. Hire Resolve has assisted candidates to find jobs at over 100 JSE listed companies of which many are global companies with offices and operations in South Africa and Africa. It is for this reason that we are well respected in the industries we operate in and in the recruitment industry.