351 to 375 of 400 .NET Jobs in London

Can work with databases and SQL. Extra points if you’ve worked with testing automation, integrations between systems, DevOps tools (like Terraform or Ansible), or web frameworks like Next.js, .NET, and C#. In short: this role is for someone who likes to build the foundation and toolset that lets other developers deliver products quickly and reliably, rather than building … TeamCity into GitHub actions Improving dev productivity and quality of life Building a better AI pipeline - pier review/AI review - improving efficiencies and productivity with AI Transitioning old .NET API's to JS and Lambda (serverless) Building abstract provisioning tools Tools they use: TypeScript AWS (Terraform, AWS SAM, Ansible (or similar) SQL Next.js and Vercel .NET and More ❯

My Financial Services client is seeking to recruit a C# .NET Developer on an initial 6 month contract based in London. It is hybrid and will require 3x days onsite per week. Essential: Strong background in C# programming and .Net technologies Strong Windows background Strong experience with relational databases and SQL Proven experience in continuous improvement of areas … and operational requirements Good work ethic, with a focus on meeting deadlines and objectives Along with the application development, this role will also include supporting the existing C# and .NET applications. Strong hands-on skills for C# Windows applications is required. More ❯

My Financial Services client is seeking to recruit a C# .NET Developer on an initial 6 month contract based in London. It is hybrid and will require 3x days onsite per week. Essential: Strong background in C# programming and .Net technologies Strong Windows background Strong experience with relational databases and SQL Proven experience in continuous improvement of areas … and operational requirements Good work ethic, with a focus on meeting deadlines and objectives Along with the application development, this role will also include supporting the existing C# and .NET applications. Strong hands-on skills for C# Windows applications is required. More ❯

a well-established organisation and contribute to impactful projects in a dynamic environment Key responsibilities/Experience Manage and maintain Azure DevOps pipelines (CI/CD) (Yaml Pipelines) Deploy .NET applications to complex IIS server environments Use Git (PR processes, peer reviews, controlled code changes) Use PowerShell for server management during deployments SQL Server deployments Ideally you come from … a Software/application development (rather than pure infrastructure) Problem-solving and investigative mindset for deployment failure Knowledge of C# and .NET If this role sounds of interest and you would like to know more do not hesitate to contact me on Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and More ❯

our tech platform connects tens of millions of customers with hundreds of thousands of restaurant, grocery and convenience partners across the globe. About this role As a Senior C# .NET Software Engineer within our Grocery & Retail Domain, your work will be the face of one of the world's leading food delivery companies, primarily for our customer-facing apps. … unlock new opportunities for our partners and enhance our customers' experience. This will include creating and improving various back-end components for company projects, utilizing technologies such as C#, .NET, GitHub CI, and AWS cloud infrastructure. These are some of the key ingredients to the role Master the craft of writing high-quality, thoroughly tested code within a high … in production Generate and implement creative ideas to improve the applications What will you bring to the table? Skills to develop and maintain robust applications using C# and modern .NET frameworks, writing clean, reusable, and well-documented code. Understanding of engineering principles (OOP, data structures, design patterns) and modern architectural patterns (microservices, event-driven) to build scalable and maintainable More ❯

IDM/One Identity Manager Developer - sought by investment bank based in London - Contract - Hybrid *inside ir35 - umbrella* Key Responsibilities Lead analysis, development, and support for the One Identity Manager platform. Deliver change projects and manage a pipeline of enhancements More ❯

liaise with other application support team staff. Following the existing team programming policy to keep a common development style to be shared in team members. Updating versions of MS .Net Framework and MS Visual .NET platform to include any necessary changes of existing systems running in Production. Liaising with the relevant support teams such as other Development sections More ❯

Founding Software Engineer Software Engineer | C# | .NET | React | TypeScript | FinTech | Start-Up | London We are seeking a talented Software Engineer to join as a Founding Product Engineer at an early-stage FinTech. You will work on building an instant, transparent, and affordable payments network. This role would suit a Software Engineer who thrives in a start-up environment, loves … Equity: 1%+ Location: London 5 days per week What you’ll do: Work directly with leadership to design, build, and launch the core platform using C#, .NET, TypeScript, and React. Write high-quality, maintainable code daily as a hands-on Software Engineer. Build backend APIs, front-end web apps, and systems integrations using C# and .NET, with … AI tools to design, debug, and ship features faster, boosting productivity. Influence architectural decisions, including enterprise patterns such as microservices, DDD, and CQRS. Who you are: Experienced in C# .NET, with 3+ years experience as a Software Engineer. Comfortable working across the full stack and adapting to new technologies quickly. Its preferred that candidates have worked with TypeScript/ More ❯

Founding Software Engineer Software Engineer | C# | .NET | React | TypeScript | FinTech | Start-Up | London We are seeking a talented Software Engineer to join as a Founding Product Engineer at an early-stage FinTech. You will work on building an instant, transparent, and affordable payments network. This role would suit a Software Engineer who thrives in a start-up environment, loves … Equity: 1%+ Location: London 5 days per week What you’ll do: Work directly with leadership to design, build, and launch the core platform using C#, .NET, TypeScript, and React. Write high-quality, maintainable code daily as a hands-on Software Engineer. Build backend APIs, front-end web apps, and systems integrations using C# and .NET, with … AI tools to design, debug, and ship features faster, boosting productivity. Influence architectural decisions, including enterprise patterns such as microservices, DDD, and CQRS. Who you are: Experienced in C# .NET, with 3+ years experience as a Software Engineer. Comfortable working across the full stack and adapting to new technologies quickly. Its preferred that candidates have worked with TypeScript/ More ❯

Founding Software Engineer Software Engineer | C# | .NET | React | TypeScript | FinTech | Start-Up | London We are seeking a talented Software Engineer to join as a Founding Product Engineer at an early-stage FinTech. You will work on building an instant, transparent, and affordable payments network. This role would suit a Software Engineer who thrives in a start-up environment, loves … Equity: 1%+ Location: London 5 days per week What you’ll do: Work directly with leadership to design, build, and launch the core platform using C#, .NET, TypeScript, and React. Write high-quality, maintainable code daily as a hands-on Software Engineer. Build backend APIs, front-end web apps, and systems integrations using C# and .NET, with … AI tools to design, debug, and ship features faster, boosting productivity. Influence architectural decisions, including enterprise patterns such as microservices, DDD, and CQRS. Who you are: Experienced in C# .NET, with 3+ years experience as a Software Engineer. Comfortable working across the full stack and adapting to new technologies quickly. Its preferred that candidates have worked with TypeScript/ More ❯

Founding Software Engineer Software Engineer | C# | .NET | React | TypeScript | FinTech | Start-Up | London We are seeking a talented Software Engineer to join as a Founding Product Engineer at an early-stage FinTech. You will work on building an instant, transparent, and affordable payments network. This role would suit a Software Engineer who thrives in a start-up environment, loves … Equity: 1%+ Location: London 5 days per week What you’ll do: Work directly with leadership to design, build, and launch the core platform using C#, .NET, TypeScript, and React. Write high-quality, maintainable code daily as a hands-on Software Engineer. Build backend APIs, front-end web apps, and systems integrations using C# and .NET, with … AI tools to design, debug, and ship features faster, boosting productivity. Influence architectural decisions, including enterprise patterns such as microservices, DDD, and CQRS. Who you are: Experienced in C# .NET, with 3+ years experience as a Software Engineer. Comfortable working across the full stack and adapting to new technologies quickly. Its preferred that candidates have worked with TypeScript/ More ❯

What you’ll do * Solve core infrastructure and systems challenges * Build and maintain REST APIs * Improve CI/CD for faster, repeatable releases * Modernise TeamCity into GitHub Actions * Transition .NET APIs into serverless JS & Lambda * Build provisioning tools and improve developer productivity * Shape AI pipelines for smarter reviews and automation What you'll get * Freedom to innovate * A team … other structured languages) * Strong experience with AWS cloud services and SAM * CI/CD know-how * Database knowledge and SQL fluency * Extra points: Salesforce, Terraform, Ansible, testing automation, Next.js, .NET/C# Tech stack: TypeScript, AWS (Terraform, SAM, Ansible), SQL, Next.js/Vercel, .NET/C# This is a high-trust, low-ego environment: collaborative, supportive, and always More ❯

Senior Software Engineer Key Technologies: C#, .NET, React, AWS, Docker, Kubernetes City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET Software Engineer to join their growing team! This role provides the perfect opportunity to launch your career … scheme. Hybrid working in Central London. Excellent salary base of up to £120,000 based on experience. Key skills, experience and qualifications required: Excellent knowledge and experience with C#, .NET and React.. Experience with cloud technology – specifically AWS. Knowledge of TDD/BDD. Excellent communication skills. Unrestricted right to work in the UK. This role offers hybrid working, with … an office location based in the City of London. This role will suit a Senior Software Engineer, with expert C#, .NET experience and commercial use of React having a direct impact from the get-go. Apply below and if you have any questions, please contact me via LinkedIn or email – ollie.bluck@harringtonstarr.com. More ❯

Senior Software Engineer Key Technologies: C#, .NET, React, AWS, Docker, Kubernetes City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET Software Engineer to join their growing team! This role provides the perfect opportunity to launch your career … scheme. Hybrid working in Central London. Excellent salary base of up to £120,000 based on experience. Key skills, experience and qualifications required: Excellent knowledge and experience with C#, .NET and React.. Experience with cloud technology – specifically AWS. Knowledge of TDD/BDD. Excellent communication skills. Unrestricted right to work in the UK. This role offers hybrid working, with … an office location based in the City of London. This role will suit a Senior Software Engineer, with expert C#, .NET experience and commercial use of React having a direct impact from the get-go. Apply below and if you have any questions, please contact me via LinkedIn or email – ollie.bluck@harringtonstarr.com. More ❯

to-day operations across the platform. Key Responsibilities: Provide monthly maintenance and health checks across the web platform. Deliver system health reports and apply package/security updates (JavaScript, .NET). Support stability of the Angular front end and ensure all JS packages remain current. Maintain and troubleshoot the custom C# .NET backend API used as a wrapper … focused, maintenance-heavy environment with limited new development. Proven experience in front-end development with Angular. Strong knowledge of JavaScript package maintenance and security updates. Solid expertise in C# .NET, particularly in API development and integration. Familiarity with Contentful CMS and API integration. Strong DevOps skills within AWS, including scaling, security, and operational management. Desirable skills/experience: Understanding More ❯

global law firm, earning regulated sector credibility and a rare mix of engineering, governance, and AI adoption experience. What you’ll do Design, build and maintain secure Azure/.NET applications and integrations . Lead and govern CI/CD pipelines, Terraform IaC, and Kubernetes deployments . Own disaster recovery and resilience , ensuring tested failover and compliance. Act as … mentoring engineers. Drive adoption of emerging tech (e.g. GenAI/LLMs) to enhance legal services. What you’ll need Hands-on coding and delivery of production-grade C#/.NET Core services . Strong Azure cloud engineering (Functions, Service Bus, Cosmos DB, App Services, APIM). Proven use of Terraform IaC for provisioning and managing cloud infra. About the More ❯

natural language processing (NLP), computer vision, and LLMs, to optimize document processing, data extraction, and decision-making workflows Programming and Development : Apply relevant programming skills (e.g., Python, Java, or .NET) to support solution development and customization within TotalAgility Technology Innovation : Identify opportunities to integrate emerging technologies into client solutions, driving innovation and competitive advantage Client Engagement and Consulting Strategic … solutions Cloud deployment experience with cloud architecture and deployments, including designing scalable and secure cloud-based solutions Core Competencies Technical Skills Proficiency in relevant programming languages (e.g., Python, Java, .NET) to support solution development Experience with cloud architecture and deployments Understanding of enterprise security practices and compliance frameworks Knowledge of AI/ML model deployment and production management Communication More ❯

Engineering Lead £90-110k Location: 3-4 days per week in the office in South West London The Highlights This high growth marketing agency is entering an exciting new phase of growth, driven by a product-led vision that More ❯

Overview Job Title: Graduate Digital Intelligence Software Engineer Location: London We offer a range of hybrid and flexible working arrangements, however for this role you will be expected to attend your site 3-5 days per week. Salary Salary: £34 More ❯

tight performance demands low latency, high throughput, and ongoing reliability. We’re working to continually improve our platforms and are evolving our infrastructure and applications — including moving from legacy .NET Framework systems toward modern, containerised .NET 8/9 services running on Kubernetes in both on-prem and cloud environments. About the Role We are looking for a … scale our systems. What You’ll Do Define and shape our DevOps vision , working closely with senior engineering, infrastructure and existing DevOps teams. Lead our migration efforts from legacy .NET Framework apps to .NET 8/9, containerised and orchestrated with Kubernetes. Champion best practices in software delivery, CI/CD, observability, and infrastructure-as-code. Drive improvements … software and infrastructure, balancing resilience, scalability, and maintainability What We’re Looking For Essential Proven experience as a Senior or Principal Engineer in both software and DevOps contexts. Strong .NET software engineering background. Deep expertise in Kubernetes (on-prem and cloud) and Terraform . Experience with real-time, event-driven systems and message brokers (e.g., RabbitMQ, Kafka). Strong More ❯

tight performance demands low latency, high throughput, and ongoing reliability. We’re working to continually improve our platforms and are evolving our infrastructure and applications — including moving from legacy .NET Framework systems toward modern, containerised .NET 8/9 services running on Kubernetes in both on-prem and cloud environments. About the Role We are looking for a … scale our systems. What You’ll Do Define and shape our DevOps vision , working closely with senior engineering, infrastructure and existing DevOps teams. Lead our migration efforts from legacy .NET Framework apps to .NET 8/9, containerised and orchestrated with Kubernetes. Champion best practices in software delivery, CI/CD, observability, and infrastructure-as-code. Drive improvements … software and infrastructure, balancing resilience, scalability, and maintainability What We’re Looking For Essential Proven experience as a Senior or Principal Engineer in both software and DevOps contexts. Strong .NET software engineering background. Deep expertise in Kubernetes (on-prem and cloud) and Terraform . Experience with real-time, event-driven systems and message brokers (e.g., RabbitMQ, Kafka). Strong More ❯

Contract Lead Software Engineer- c# .NET (4 months) 📍 London (Hybrid - 3 days/week onsite) 💰 £600 - £700 per day We’re looking for a Lead Software Engineer (Contract) to play a technical leadership role/lead the way with delivery in delivering robust Windows-based integration solutions that connect a modern automation platform with scientific instruments and legacy enterprise … systems. What you’ll do: - Architect and deliver resilient, backwards-compatible Windows/.NET applications - Lead projects, mentor engineers, and drive technical standards - Integrate complex hardware drivers, protocols, and enterprise systems - Collaborate with product and engineering teams to deliver scalable solutions What you’ll bring: Deep expertise in C# and .NET across multiple framework versions Strong Windows platform More ❯

Contract Lead Software Engineer- c# .NET (4 months) 📍 London (Hybrid - 3 days/week onsite) 💰 £600 - £700 per day We’re looking for a Lead Software Engineer (Contract) to play a technical leadership role/lead the way with delivery in delivering robust Windows-based integration solutions that connect a modern automation platform with scientific instruments and legacy enterprise … systems. What you’ll do: - Architect and deliver resilient, backwards-compatible Windows/.NET applications - Lead projects, mentor engineers, and drive technical standards - Integrate complex hardware drivers, protocols, and enterprise systems - Collaborate with product and engineering teams to deliver scalable solutions What you’ll bring: Deep expertise in C# and .NET across multiple framework versions Strong Windows platform More ❯

Contract Lead Software Engineer- c# .NET (4 months) 📍 London (Hybrid - 3 days/week onsite) 💰 £600 - £700 per day We’re looking for a Lead Software Engineer (Contract) to play a technical leadership role/lead the way with delivery in delivering robust Windows-based integration solutions that connect a modern automation platform with scientific instruments and legacy enterprise … systems. What you’ll do: - Architect and deliver resilient, backwards-compatible Windows/.NET applications - Lead projects, mentor engineers, and drive technical standards - Integrate complex hardware drivers, protocols, and enterprise systems - Collaborate with product and engineering teams to deliver scalable solutions What you’ll bring: Deep expertise in C# and .NET across multiple framework versions Strong Windows platform More ❯

Contract Lead Software Engineer- c# .NET (4 months) 📍 London (Hybrid - 3 days/week onsite) 💰 £600 - £700 per day We’re looking for a Lead Software Engineer (Contract) to play a technical leadership role/lead the way with delivery in delivering robust Windows-based integration solutions that connect a modern automation platform with scientific instruments and legacy enterprise … systems. What you’ll do: - Architect and deliver resilient, backwards-compatible Windows/.NET applications - Lead projects, mentor engineers, and drive technical standards - Integrate complex hardware drivers, protocols, and enterprise systems - Collaborate with product and engineering teams to deliver scalable solutions What you’ll bring: Deep expertise in C# and .NET across multiple framework versions Strong Windows platform More ❯