Thingworx Developer

Description:

We are recruiting two onsite PTC ThingWorx Developers in Stevenage: one Senior and one Junior. You will design, develop, integrate, deploy, and support ThingWorx-based IIoT applications for manufacturing environments, connect industrial devices and data sources via Kepware and protocols such as OPC-UA​/​MQTT, and provide production support across Dev​/​QA​/​Prod. Success in this role is measured primarily by delivering releases on time while maintaining stability, security, and performance.

Work Arrangement, Security & Eligibility
- Location: Stevenage, UK (onsite)
- Clearance: Must hold SC clearance or be eligible to obtain SC clearance

Responsibilities
- Design, develop, and maintain PTC ThingWorx applications including Mashups, Services, Things, and Thing Templates.
- Implement scalable IIoT solutions for manufacturing and industrial use cases with reusable components and standardised frameworks.
- Configure and maintain ThingWorx security including users, groups, roles, and permissions in line with enterprise policies.
- Build and maintain integrations using REST APIs, SQL, JSON​/​XML with MES, ERP, Windchill, and other enterprise systems.
- Configure industrial connectivity via Kepware and protocols such as OPC-UA and MQTT, integrating with PLCs for real-time data ingestion.
- Provide L1​/​L2​/​L3 production support including incident triage, troubleshooting, resolution, and RCA documentation.
- Monitor, tune, and optimise application performance, stability, and resource utilisation.
- Manage deployments, releases, upgrades, and environment support across Dev​/​QA​/​Prod.
- Collaborate with business and technical stakeholders, provide clear updates, and contribute to best practices and continuous improvement.

Senior Role: Minimum Qualifications (Must-Have)
- 5–8 years of hands-on PTC ThingWorx experience spanning development and production support.
- Strong Mashup UI development skills and experience building ThingWorx Services and server-side logic.
- Proficiency in JavaScript, REST APIs, JSON, and SQL.
- Demonstrable experience in production support, performance tuning, and complex troubleshooting.
- Practical knowledge of ThingWorx security configuration, deployments, and environment management.
- Experience with Kepware and industrial connectivity including OPC-UA, MQTT, and PLC integrations.
- Strong analytical​/​problem-solving skills across integrations and data flows.
- Strong communication skills and comfort working in cross-functional, multi-stakeholder environments.
- UK resident with SC clearance or eligibility to obtain SC clearance.

Junior Role: Minimum Qualifications (Must-Have)
- Hands-on experience with PTC ThingWorx development (Mashups, basic Services, and configuration) with willingness to learn production support and integration patterns.
- Working knowledge of JavaScript and APIs (REST), plus basic SQL and JSON.
- Exposure to industrial connectivity concepts (Kepware, OPC-UA, MQTT, PLCs) and eagerness to build deeper capability.
- Strong troubleshooting mindset, attention to detail, and ability to follow operational processes for Dev​/​QA​/​Prod support.
- Good communication skills and ability to work effectively onsite with engineers and stakeholders.
- UK resident with SC clearance or eligibility to obtain SC clearance.

Nice-to-Have Experience (Either Role)
- ThingWorx Navigate and Windchill integration experience.
- Manufacturing​/​PLM context and familiarity with MES environments.
- Exposure to PTC DPM​/​RTPPM​/​AMU​/​CWC.
- Cloud experience (Azure and​/​or AWS).
- DevOps practices supporting CI​/​CD, automated deployments, and environment governance.

What Success Looks Like
- Releases delivered on time with predictable execution and clear stakeholder communication.
- Stable, secure ThingWorx applications with reliable industrial data connectivity and performant integrations.
- Efficient incident response with high-quality troubleshooting, documented RCA, and continuous improvement actions.