6 jobs found

Senior Python Backend Engineer £550/day | Outside IR35 | 4 Months | Hybrid (Watford) We're working with a technology company building high-performance Back End platforms, and we're looking for an experienced Senior Python Backend Engineer to join the team on an initial 4-month contract. This is a hands-on engineering role focused on designing, building and improving production Back End services. This is NOT an AI, Data Engineering or Cloud Engineering position. What you'll be doing Designing and building production Python Back End services using FastAPI Developing scalable REST APIs and distributed Back End systems Working with event-driven architectures using technologies such as Kafka or RabbitMQ Improving performance, reliability and maintainability of existing services Collaborating with experienced Back End engineers on architecture and code quality Writing clean, well-tested Python code using modern engineering practices What we're looking for Strong...

Security Architect Infrastructure - DV - Up to £700 Day - Outside IR35 Security Architect required for a defence-aligned programme modernising a highly secure digital capability. You will lead a secure-by-design review, assess architectural and control gaps against current defence security standards, and define the target state architecture for a critical platform. Key experience required for the Security Architect - DV Cleared Contract: Proven Security Architect background within defence or high-assurance environments Strong understanding of security standards, architectural controls and risk-based design Experience conducting formal security assessments and producing governance-ready documentation Confident engaging with senior technical and assurance stakeholders Hertfordshire based client - Minimum 1-2 days a week onsite required. DV clearance is essential. Apply for a confidential discussion

Senior/Lead Software Engineer (Java) - o/s IR35 - Hybrid (2 dpw in office) A large retailer urgently seeks an experienced Senior Software Development Engineer to take a lead role in the design, development and support of scalable, cloud-native Java applications Working in an Agile, DevOps environment, you'll build microservices, APIs and event-driven solutions while collaborating with engineers, data scientists and operations teams to deliver high-quality software. The role is outside IR35 and requires 2 days per week in the office. Responsibilities include: Design and develop scalable Java applications and microservices Build and maintain cloud-native solutions using Azure Improve system performance, reliability and scalability Develop APIs and event-driven services with Kafka Mentor engineers and promote engineering best practices Support software throughout its full lifecycle in a CI/CD environment Essential Experience Experience of designing and...

Microsoft 365/SharePoint/Power Apps - Developer/Engineer My client are building a compliance platform and need a Microsoft Power Apps Developer with experience across Microsoft 365 (M365) and SharePoint for a 6 to 9 month contract, Outside IR35. Power Apps/Power Automate Microsoft Forms SharePoint Online/SharePoint Lists Microsoft 365/M365 Once the platforms built, you will then train and upsk click apply for full job details

Senior Software Test Engineer/Test Lead - Outside IR35 Contract: 12 months We are seeking an experienced Senior Software Test Engineer/Test Lead to support the delivery of major and maintenance software releases. This is a hands-on role involving test strategy, requirements analysis, manual and automated testing, system integration, defect management, and quality reporting. You will work closely with software, hardware, and firmware engineers within a cross-functional Agile environment. Key Responsibilities Define test strategies, test plans, and test coverage. Analyse requirements and design, execute, and maintain test cases. Lead system, regression, and hardware-software integration testing. Develop and maintain automated test scripts using C# and Ranorex . Use Azure DevOps for test management, work tracking, defect logging, reporting, and traceability. Test software integrated with physical hardware, devices, and firmware. Manage defects,...

Location: Royston (SG8) Duration: 12-month contract initially with the potential to be extended Hours: 9am - 5:30pm, mainly office based Salary: circa £50 per hour - outside IR35 Job Reference: 36204 Polytec are seeking an experienced Senior Software Test Engineer / Test Lead to support the delivery of multiple software releases across 2026-2027.  This is a hands-on leadership role, combining test strategy ownership with day-to-day technical delivery in a collaborative Agile environment for our Royston based client.  Responsibilities • Define and implement overall test strategy, coverage and approach • Analyse requirements and convert them into test cases and test plans • Lead system and integration testing, including hardware/software interactions • Design and execute manual and automated regression testing • Develop and maintain automated test scripts (Ranorex or similar) • Manage defect lifecycle: logging, tracking, triage and re-testing • Own and deliver test...