ThoughtWorx Developers (Onsite)

PTC ThingWorx Developer (All Levels) Industrial IoT (Onsite, Stevenage, UK) Company Tech Co is hiring to support the build and operational support of Industrial IoT (IIoT) solutions in a compliance-sensitive, client-facing environment. This engagement focuses on delivering reliable ThingWorx applications and industrial connectivity to ensure successful, on-time releases. Role Summary 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 National 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 National 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. Equal Opportunity Tech Co is an equal opportunity employer. All applicants will be considered based on skills, qualifications, and job-related requirements. Please get in touch with us on info@projectbrains.io