11 senior c engineer jobs found

Senior C# Engineer - Agentic Workflows & Native AI Engineering, .Net 8/9, AWS (Lambda, SQS) – OUTSIDE IR35 Reporting to the Director of Engineering, this is a genuinely outstanding contract opportunity for a rockstar Senior C# Engineer to lead the development of a greenfield SaaS product . We’re looking for a ‘best of breed’, deeply senior, technically hands-on engineer who thrives in complex problem spaces and fast-moving start-up & scale-up environments. You’ll need a genuinely Product Centric mindset and approach twinned with experience of AI-Native Engineering and Agentic Workflow . Skills We’re Looking For: Senior–Staff-level backend engineer with deep, current expertise in C# and .NET Core 8/9 , capable of architecting and leading the design of distributed REST API microservices at scale. Authority in AWS serverless architecture; Lambda-first, with strong working knowledge of API Gateway, SQS, Step Functions, EventBridge and IAM,...

Senior iOS Engineer (Contract) | Swift, UIKit, MVVM, Snapshot Testing, ActivityKit | High-Traffic Consumer App | £400/day | Remote (UK) | 6-Month initial Contract, Likely extensions | Outside IR35 We’re hiring a Senior iOS Engineer (contractor) to join a cross-functional product team delivering high-quality mobile experiences for a widely used, consumer-facing platform. You’ll be joining a collaborative, quality-driven environment where engineering excellence, performance, and user experience are taken seriously. This is a 6-month initial contract , ideal for senior engineers who enjoy owning technical decisions, mentoring others, and shipping production-grade features in complex environments. The Role | Senior iOS Engineer (Contract) | Swift, UIKit, MVVM, Snapshot Testing, ActivityKit | High-Traffic Consumer App | £400/day | Remote (UK) | 6-Month initial Contract, Likely extensions | Outside IR35 This is a hands-on senior role with strong influence...

Senior DevOps Engineer – £500/day – Outside IR35 –Fully Remote 3-6 months  We are looking for an outstanding Senior DevOps Engineer with a strong infrastructure background and the ability to operate confidently in senior and C‑suite–level environments. You will work as the right hand to a Solution Architect, taking ownership of technical delivery, guiding decisions, and driving forward engineering solutions with minimal oversight. Project looking to extend to March 2027 What we’re looking for: A highly capable Senior DevOps Engineer with deep infrastructure and cloud expertise Strong hands‑on experience with Azure App Gateway and Azure Front Door 5+ years contracting experience within complex and demanding environments Someone who thrives in a senior role, takes accountability, and makes strong technical decisions   If you’re a seasoned engineer who enjoys autonomy and senior‑level responsibility, we’d love to hear from you. Please apply with your most up to date CV....

Senior iOS Engineer (Contract) | Swift, UIKit, MVVM, Snapshot Testing, ActivityKit | High-Traffic Consumer App | £400/day | Remote (UK) | 6-Month initial Contract, Likely extensions | Outside IR35 We’re hiring a Senior iOS Engineer (contractor) to join a cross-functional product team delivering high-quality mobile experiences for a widely used, consumer-facing platform. You’ll be joining a collaborative, quality-driven environment where engineering excellence, performance, and user experience are taken seriously. This is a 6-month initial contract , ideal for senior engineers who enjoy owning technical decisions, mentoring others, and shipping production-grade features in complex environments. The Role | Senior iOS Engineer (Contract) | Swift, UIKit, MVVM, Snapshot Testing, ActivityKit | High-Traffic Consumer App | £400/day | Remote (UK) | 6-Month initial Contract, Likely extensions | Outside IR35 This is a hands-on senior role with strong influence...

Lead C# Engineer - Agentic Workflows & Native AI Engineering, .Net 8/9, AWS (Lambda, SQS) – OUTSIDE IR35 Reporting to the Director of Engineering, this is a genuinely outstanding contract opportunity for a rockstar Senior C# Engineer to lead the development of a greenfield SaaS product . We’re looking for a ‘best of breed’, deeply senior, technically hands-on engineer who thrives in complex problem spaces and fast-moving start-up & scale-up environments. You’ll need a genuinely Product Centric mindset and approach twinned with experience of AI-Native Engineering and Agentic Workflow . Skills We’re Looking For: Senior–Staff-level backend engineer with deep, current expertise in C# and .NET Core 8/9 , capable of architecting and leading the design of distributed REST API microservices at scale. Authority in AWS serverless architecture; Lambda-first, with strong working knowledge of API Gateway, SQS, Step Functions, EventBridge and IAM, and...

Senior DevOps Engineer - £500/day - Outside IR35 -Fully Remote 3-6 months We are looking for an outstanding Senior DevOps Engineer with a strong infrastructure background and the ability to operate confidently in senior and C suite-level environments. You will work as the right hand to a Solution Architect, taking ownership of technical delivery, guiding decisions, and driving forward engineering solutions with minimal oversight. Project looking to extend to March 2027 What we're looking for: A highly capable Senior DevOps Engineer with deep infrastructure and cloud expertise Strong hands on experience with Azure App Gateway and Azure Front Door 5+ years contracting experience within complex and demanding environments Someone who thrives in a senior role, takes accountability, and makes strong technical decisions If you're a seasoned engineer who enjoys autonomy and senior level responsibility, we'd love to hear from you. Please apply with your most up to date CV....

Senior iOS Engineer (Contract) | Swift, UIKit, MVVM, Snapshot Testing, ActivityKit | High-Traffic Consumer App | £400/day | Remote (UK) | 6-Month initial Contract, Likely extensions | Outside IR35 We’re hiring a Senior iOS Engineer (contractor) to join a cross-functional product team delivering high-quality mobile experiences for a widely used, consumer-facing platform. You’ll be joining a collaborative, quality-driven environment where engineering excellence, performance, and user experience are taken seriously. This is a 6-month initial contract , ideal for senior engineers who enjoy owning technical decisions, mentoring others, and shipping production-grade features in complex environments. The Role | Senior iOS Engineer (Contract) | Swift, UIKit, MVVM, Snapshot Testing, ActivityKit | High-Traffic Consumer App | £400/day | Remote (UK) | 6-Month initial Contract, Likely extensions | Outside IR35 This is a hands-on senior role with strong influence...

Data Engineering contractor required for a high-impact project with a local council, delivering modern data solutions in a fully remote environment. £400 per day Outside IR35 3 months (with strong likelihood of extension) Remote - based in South Wales Your new organisation We are working with a forward-thinking local authority in South Wales that is investing heavily in its data capabilities to drive better decision-making and service delivery.Due to increased demand across its data function, the council requires an experienced Data Engineering contractor to support the development of scalable data models, reporting solutions, and overall data infrastructure.The environment is collaborative and delivery-focused, with a strong emphasis on transforming data into meaningful insights through modern BI tools and best-practice data modelling. Your new role This is a hands-on Data Engineering role, ideal for a contractor with strong Power BI and data modelling expertise.You will...

Data Engineering contractor required for a high-impact project with a local council, delivering modern data solutions in a fully remote environment. £400 per day Outside IR35 3 months (with strong likelihood of extension) Remote - based in South Wales Your new organisation We are working with a forward-thinking local authority in South Wales that is investing heavily in its data capabilities to drive better decision-making and service delivery.Due to increased demand across its data function, the council requires an experienced Data Engineering contractor to support the development of scalable data models, reporting solutions, and overall data infrastructure.The environment is collaborative and delivery-focused, with a strong emphasis on transforming data into meaningful insights through modern BI tools and best-practice data modelling. Your new role This is a hands-on Data Engineering role, ideal for a contractor with strong Power BI and data modelling...

Backend Engineer – C#, .Net, Azure | Payments Financial Services | £600/day outside IR35| Hybrid We’re partnering with a leading financial services firm in the FinTech payment space that’s investing heavily in modernising its technology stack. With a new tech leader driving innovation, the focus is on building in-house systems that are scalable, reliable, and future-ready. About the Role Backend Engineer position You’ll take ownership of building and enhancing key client-facing applications using C#, .Net, Azure . As a Backend Engineer you will have tried and tested experience joining a FinTech/Financial Services company at the stage of 0-50 employees. This company is looking to grow significantly, building out 4 new engineering teams include Seniors and Team Leads. The work spans complex financial products, so you’ll have the chance to engage with both technical and business stakeholders across the UK. 💰 Paying up to £600 per day (Outside IR35) 🏢 1–2...

Backend Engineer – C#, .Net, Azure | Payments Financial Services | £600/day outside IR35| Hybrid We’re partnering with a leading financial services firm in the FinTech payment space that’s investing heavily in modernising its technology stack. With a new tech leader driving innovation, the focus is on building in-house systems that are scalable, reliable, and future-ready. About the Role Backend Engineer position You’ll take ownership of building and enhancing key client-facing applications using C#, .Net, Azure . As a Backend Engineer you will have tried and tested experience joining a FinTech/Financial Services company at the stage of 0-50 employees. This company is looking to grow significantly, building out 4 new engineering teams include Seniors and Team Leads. The work spans complex financial products, so you’ll have the chance to engage with both technical and business stakeholders across the UK. 💰 Paying up to £600 per day (Outside IR35) 🏢 1–2...