626 to 650 of 726 Permanent .NET Core Jobs

Note: Candidate must have valid work permit for Spain. Advanced English. Strong experience with C# and .NET Core. Interested candidates can share their CV/WhatsApp: What does a great Senior Engineer (.NET) do? In this role you will be working on Productivity Automator, a modern self-service platform that allows our customers to configure automation rules that … to your peers. Who we are looking for in this role: At least 5 years' experience in developing scalable, performant and robust web applications. Strong experience with C# and .NET Core. Somebody who has a genuine passion for writing high quality, testable and clean code. Deep understanding of design patterns, principles and best practices. Excellent problem-solving skills. Experience More ❯

stuck into meaningful projects where your technical input truly matters. Upskilling Opportunities – As the team modernises the stack, you'll have the chance to learn and work with Go , .NET Core , microservices, and cloud-first architectures. Tech-Led Culture – Join a collaborative team that lives and breathes quality software development, driven by best practices and a passion … for building resilient, high-performing systems. Tech You'll Work With Core : C#/.NET Framework transitioning to .NET Core UI : WPF (Windows Presentation Foundation) Database : MS SQL Server, T-SQL Environment : Windows-based desktop applications Coming Soon : Microservices, Go, Cloud technologies What You’ll Need Strong experience with C# and .NET Proficiency More ❯

stuck into meaningful projects where your technical input truly matters. Upskilling Opportunities - As the team modernises the stack, you'll have the chance to learn and work with Go , .NET Core , microservices, and cloud-first architectures. Tech-Led Culture - Join a collaborative team that lives and breathes quality software development, driven by best practices and a passion … for building resilient, high-performing systems. Tech You'll Work With Core : C#/.NET Framework transitioning to .NET Core UI : WPF (Windows Presentation Foundation) Database : MS SQL Server, T-SQL Environment : Windows-based desktop applications Coming Soon : Microservices, Go, Cloud technologies What You'll Need Strong experience with C# and .NET Proficiency More ❯

Job Role: Product Engineer (backend C# .net core) Reference: BH-355p Job Type: Permanent Location: Hybrid, West Hampstead, London (2 days/week in-office) Salary: up to £75-£85k per annum About The Client: Our client builds AI-driven voice automation for regulated industries, helping companies reduce costs while meeting strict compliance standards. Founded by experienced … startup founders, their team combines deep technical expertise with a fast-moving, execution-focused approach. Overview: Were hiring on behalf of our client for a Product Engineer (backend C# .net core) to join their growing team. The role will focus on backend development for a platform that blends telephony, voice AI, and LLMs to create next-generation … environment, this role is for you. Key Responsibilities: Communicate clearly, seek clarification when needed. Navigate ambiguity and working with minimal supervision. Develop and maintain backend services using C# and .NET Core. Design and test REST APIs with JWT-based authentication (OAuth is desirable for the future). Write performant SQL for PostgreSQL databases; help design schemas and queries. Build More ❯

Job Role: Product Engineer (backend C# .net core) Reference: BH-355p Job Type: Permanent Location: Hybrid, West Hampstead, London (2 days/week in-office) Salary: up to £75-£85k per annum About The Client: Our client builds AI-driven voice automation for regulated industries, helping companies reduce costs while meeting strict compliance standards. Founded by experienced … startup founders, their team combines deep technical expertise with a fast-moving, execution-focused approach. Overview: Were hiring on behalf of our client for a Product Engineer (backend C# .net core) to join their growing team. The role will focus on backend development for a platform that blends telephony, voice AI, and LLMs to create next-generation … environment, this role is for you. Key Responsibilities: Communicate clearly, seek clarification when needed. Navigate ambiguity and working with minimal supervision. Develop and maintain backend services using C# and .NET Core. Design and test REST APIs with JWT-based authentication (OAuth is desirable for the future). Write performant SQL for PostgreSQL databases; help design schemas and queries. Build More ❯

Role Details We are looking for a Senior Software Engineer. Purpose of the Job As a Senior Software Engineer (.NET), you will be a key player in our backend development team, responsible for designing, developing, and maintaining robust and scalable backend solutions. Leveraging your expertise in C# and .NET Core, you will drive the implementation of … collaboration, mentoring junior engineers, and influencing the strategic direction of our backend development. Role Responsibilities Lead Backend Development: Own and lead the development of critical backend components using C#, .NET Core, and related technologies, ensuring high performance, scalability, and maintainability. Technical Decision-Making: Make authoritative decisions on backend architecture, technology stack, and best practices, driving technical excellence More ❯

Founding Full Stack Engineer – Consumer AI (Stealth Mode) London – 2-3 days a week in the office Up to £120,000 plus generous stock options .Net Core | Azure | Typescript | React Native | Python Are you a Full Stack Engineer ready to build something radically new in AI and consumer tech? Founding Full Stack Engineer – We are working with … AI tools and platforms in your workflow. A customer-obsessed, fast-learning engineer who cares about real-world impact. Tech Stack: Frontend: React Native, Expo, TypeScript, Redux Backend: Azure, .NET Core, Docker, C#, SignalR They are pragmatic about using the right tool for the job and while the backend relies heavily on the Microsoft stack they actively … Simon for a chat. Founding Full Stack Engineer – Consumer AI (Stealth Mode) London – 2-3 days a week in the office Up to £120,000 plus generous stock options .Net Core | Azure | Typescript | React Native | Python More ❯

Founding Full Stack Engineer – Consumer AI (Stealth Mode) London – 2-3 days a week in the office Up to £120,000 plus generous stock options .Net Core | Azure | Typescript | React Native | Python Are you a Full Stack Engineer ready to build something radically new in AI and consumer tech? Founding Full Stack Engineer – We are working with … AI tools and platforms in your workflow. A customer-obsessed, fast-learning engineer who cares about real-world impact. Tech Stack: Frontend: React Native, Expo, TypeScript, Redux Backend: Azure, .NET Core, Docker, C#, SignalR They are pragmatic about using the right tool for the job and while the backend relies heavily on the Microsoft stack they actively … Simon for a chat. Founding Full Stack Engineer – Consumer AI (Stealth Mode) London – 2-3 days a week in the office Up to £120,000 plus generous stock options .Net Core | Azure | Typescript | React Native | Python More ❯

Founding Full Stack Engineer - Consumer AI (Stealth Mode) London - 2-3 days a week in the office Up to £120,000 plus generous stock options .Net Core Azure Typescript React Native Python Are you a Full Stack Engineer ready to build something radically new in AI and consumer tech? Founding Full Stack Engineer - We are working with … AI tools and platforms in your workflow. A customer-obsessed, fast-learning engineer who cares about real-world impact. Tech Stack: Frontend: React Native, Expo, TypeScript, Redux Backend: Azure, .NET Core, Docker, C#, SignalR They are pragmatic about using the right tool for the job and while the backend relies heavily on the Microsoft stack they actively … Simon for a chat. Founding Full Stack Engineer - Consumer AI (Stealth Mode) London - 2-3 days a week in the office Up to £120,000 plus generous stock options .Net Core Azure Typescript React Native Python Burns Sheehan Ltd will consider applications based only on skills and ability and will not discriminate on any grounds. More ❯

trading infrastructure. This is a high-impact opportunity to work on systems that power execution, automation, and analytics across global markets. About the Role You’ll join a core engineering team focused on building and maintaining high-performance services and tools that sit at the heart of a multi-strategy trading platform. From designing low-latency APIs to … for engineers who excel in complex, fast-paced environments where clean design and system resilience are essential. Key Responsibilities Design and implement backend services and RESTful APIs using C# (.NET Core/.NET 6+) and Python . Containerize and orchestrate applications using Kubernetes across hybrid cloud/on-prem environments. Build highly available, scalable, and observable … with quants and traders. Automate CI/CD pipelines and implement rigorous testing to support rapid, reliable deployments. What We’re Looking For Solid engineering experience with C#/.NET and/or Python in production environments. Proficiency preferred with Kubernetes and containerization tools (Docker, Helm, Operators, etc.). Strong grasp of distributed systems, microservices, and service-oriented architecture. More ❯

trading infrastructure. This is a high-impact opportunity to work on systems that power execution, automation, and analytics across global markets. About the Role You’ll join a core engineering team focused on building and maintaining high-performance services and tools that sit at the heart of a multi-strategy trading platform. From designing low-latency APIs to … for engineers who excel in complex, fast-paced environments where clean design and system resilience are essential. Key Responsibilities Design and implement backend services and RESTful APIs using C# (.NET Core/.NET 6+) and Python . Containerize and orchestrate applications using Kubernetes across hybrid cloud/on-prem environments. Build highly available, scalable, and observable … with quants and traders. Automate CI/CD pipelines and implement rigorous testing to support rapid, reliable deployments. What We’re Looking For Solid engineering experience with C#/.NET and/or Python in production environments. Proficiency preferred with Kubernetes and containerization tools (Docker, Helm, Operators, etc.). Strong grasp of distributed systems, microservices, and service-oriented architecture. More ❯

technologies to shape impactful products. This role offers the opportunity to lead transformative projects in a fast-paced, purpose-driven environment Centered on a tech stack that includes C# .NET Core, AWS, and event-driven microservices, this position is tailored for engineers ready to thrive in modern cloud-based ecosystems. While .NET is preferred, candidates experienced … junior engineers to cultivate a culture of growth and excellence. Ideal candidates hold a Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field. A .NET, C# and backend or full-stack development is essential, complemented by strong problem-solving skills, an agile mindset, and excellent communication. Apply below to be considered for this one. More ❯

technologies to shape impactful products. This role offers the opportunity to lead transformative projects in a fast-paced, purpose-driven environment Centered on a tech stack that includes C# .NET Core, AWS, and event-driven microservices, this position is tailored for engineers ready to thrive in modern cloud-based ecosystems. While .NET is preferred, candidates experienced … junior engineers to cultivate a culture of growth and excellence. Ideal candidates hold a Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field. A .NET, C# and backend or full-stack development is essential, complemented by strong problem-solving skills, an agile mindset, and excellent communication. Apply below to be considered for this one. More ❯

technologies to shape impactful products. This role offers the opportunity to lead transformative projects in a fast-paced, purpose-driven environment Centered on a tech stack that includes C# .NET Core, AWS, and event-driven microservices, this position is tailored for engineers ready to thrive in modern cloud-based ecosystems. While .NET is preferred, candidates experienced … junior engineers to cultivate a culture of growth and excellence. Ideal candidates hold a Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field. A .NET, C# and backend or full-stack development is essential, complemented by strong problem-solving skills, an agile mindset, and excellent communication. Apply below to be considered for this one. More ❯

Senior .NET Engineer - Fully Remote (with quarterly visits to London) - Up to £100k We're working with a leading Fintech company that specialises in developing payment platforms across a range of industries. As they continue to grow, they're looking to strengthen their .NET development team to drive forward exciting greenfield projects. With nearly a decade in the … industry, they have an impressive portfolio of clients. This role is ideal for Senior to Principal .NET Engineers who are eager to engage in architectural decisions, contribute to innovative designs, and challenge requirements with a proactive mindset, all while showcasing exceptional engineering skills. Key Responsibilities: Collaborate with stakeholders to refine and enhance solution design Develop scalable, reliable, and high … technologies and methodologies Evaluate application performance to ensure optimal user experiences Document workflows and track performance metrics Manage and resolve incidents Required Skills & Experience: Expertise in C# Proficient with .NET Core and later (currently using .NET8) Hands-on experience with Azure and microservices Strong knowledge of API development and integration Familiarity with Terraform Solid experience in unit More ❯

Senior .NET Engineer - Fully Remote (with quarterly visits to London) - Up to £100k We're working with a leading Fintech company that specialises in developing payment platforms across a range of industries. As they continue to grow, they're looking to strengthen their .NET development team to drive forward exciting greenfield projects. With nearly a decade in the … industry, they have an impressive portfolio of clients. This role is ideal for Senior to Principal .NET Engineers who are eager to engage in architectural decisions, contribute to innovative designs, and challenge requirements with a proactive mindset, all while showcasing exceptional engineering skills. Key Responsibilities: Collaborate with stakeholders to refine and enhance solution design Develop scalable, reliable, and high … technologies and methodologies Evaluate application performance to ensure optimal user experiences Document workflows and track performance metrics Manage and resolve incidents Required Skills & Experience: Expertise in C# Proficient with .NET Core and later (currently using .NET8) Hands-on experience with Azure and microservices Strong knowledge of API development and integration Familiarity with Terraform Solid experience in unit More ❯

Position: .NET Developer Location: London/Hybrid Duration: 6 months Start Date: Immediate Day Rate: £500-£550 (Outside IR35) Primis are actively searching for a .NET Developer looking for their next challenge! Do you thrive in collaborative environments and have a passion for building scalable software solutions? I have an exciting 6-month contract role based in the … deliver high-quality software solutions. Maintain and improve existing applications, ensuring performance, scalability, and security. Troubleshoot and resolve issues across the software development lifecycle. Requirements: Proven experience as a .NET Developer (Mid to Senior level). Strong expertise in .NET Framework/.NET Core and C# . Solid understanding of SQL Server and relational databases. … vital role in the growth of the business. You’ll collaborate with other talented developers and engineers as part of a supportive, innovative team. If you’re a proactive .NET Developer looking for your next role to start immediately – apply now! Research indicates that men will apply to a role when they meet only 50-60% of the requirements More ❯

Position: .NET Developer Location: London/Hybrid Duration: 6 months Start Date: Immediate Day Rate: £500-£550 (Outside IR35) Primis are actively searching for a .NET Developer looking for their next challenge! Do you thrive in collaborative environments and have a passion for building scalable software solutions? I have an exciting 6-month contract role based in the … deliver high-quality software solutions. Maintain and improve existing applications, ensuring performance, scalability, and security. Troubleshoot and resolve issues across the software development lifecycle. Requirements: Proven experience as a .NET Developer (Mid to Senior level). Strong expertise in .NET Framework/.NET Core and C# . Solid understanding of SQL Server and relational databases. … vital role in the growth of the business. You’ll collaborate with other talented developers and engineers as part of a supportive, innovative team. If you’re a proactive .NET Developer looking for your next role to start immediately – apply now! Research indicates that men will apply to a role when they meet only 50-60% of the requirements More ❯

AI SaaS Ready to step into a defining leadership role and shape the future of much-admired software-as-a-service placing AI at its core? We’re looking for a Head of Engineering/CTIO to join a fast-scaling, mission-led technology business in West Yorkshire. If you’re an experienced Head of Engineering, Software Engineering … closely with product and company vision. Lead and inspire a cross-functional software engineering team (including PMs and QA), driving quality, velocity, and innovation. Oversee the technical architecture: C#, .NET, React, Azure, SQL, MongoDB, automation, and AI-driven QA Guide the deployment and integration of AI/ML tools and Large Language Models to enhance platform intelligence. Embed modern … AI for testing. Be a visible and confident leader – influencing stakeholders, setting direction, and building culture in a scale-up environment. Your Tech DNA Background in Microsoft stack – C#, .NET Core, Azure, React, SQL/Mongo (candidates with AWS experience rather than Azure will also be considered) Experience with AI/ML, LLMs, and data science in More ❯

Senior C# Developer - Fixed Income Key Technologies: C#, .NET, .NET Core, Azure, SQL London Perm Role | Hybrid Working Structure £80,000 - £110,000 Harrington Starr has partnered with a global Investment Bank who are looking to hire a seasoned Senior C# Developer with extensive experience developing Front Office trading systems - specifically Fixed Income . Key Responsibilities More ❯

Senior C# Developer - Fixed Income Key Technologies: C#, .NET, .NET Core, Azure, SQL London Perm Role | Hybrid Working Structure £80,000 - £110,000 Harrington Starr has partnered with a global Investment Bank who are looking to hire a seasoned Senior C# Developer with extensive experience developing Front Office trading systems - specifically Fixed Income . Key Responsibilities More ❯

Mid-Level Software Developer, Manchester, C#,.Net, £35K-£45K, 3 days working from home, Flexible working hours, 25 days holiday + BH, Clear progression pathways, Training and development, Free parking, Quarterly socials, + a range of brilliant company benefits! We are looking for an ambitious and motivated .Net Developer to join an exciting Manchester based company, providing software … developers, project managers, and cross-functional teams to analyse business requirements and implement effective solutions. Key duties will include writing clean, scalable, and efficient code in C# or other .NET languages, participating in code reviews, debugging, and troubleshooting issues. You will be responsible for integrating various systems or external APIs and … ensure that all parts of the application work cohesively, leveraging your understanding of both front-end and back-end systems. Requirements Confident around C# and .Net technologies, ideally .NetCore Confident working with API'S Some knowledge of modern frontend technologies (React/Angular) Working knowledge of Cloud technologies, specifically Azure would be beneficial What they're offering Salary of More ❯

MVPs and top-tier software developers, using the latest Microsoft tech in a cloud-first environment . What You’ll Be Working On: Building a scalable global platform using .NET 8 and Azure Function Apps Leveraging Terraform for infrastructure-as-code deployments Driving quality through Test Driven Development Innovating with a team that values clean architecture, experimentation, and modern … practices What You’ll Bring: Expertise in C# .NET Core Strong experience with SQL Server and REST APIs A TDD mindset and a passion for clean, maintainable code A collaborative approach and a hunger to learn and grow Why Join? Cutting-edge tech stack in a cloud-native environment Structured career progression and personal development plans Work More ❯

performance improvement - Share expertise and skills with team members **Job Qualifications:** *Essential:* - Minimum 5 years of software application development experience - Software engineering degree - Proficiency in Object-Oriented Programming (C#, .NET, .NET Core) - Strong knowledge of Relational Databases (Microsoft SQL Server) - Familiarity with modern IDEs (Visual Studio) - Experience with version control software like SVN or Git *Desirable More ❯

Azure. 3+ years in Cloud Security and DevSecOps. Expertise in Kubernetes (Azure), Azure DevOps, and Infrastructure as Code (Terraform, Bicep). Strong coding skills in C# and experience with .NET Core/.NET 8. Experience with Azure CAF, ELZ, and well-architected frameworks. Proficiency in scripting and automation (PowerShell, Bash, Python, YAML). Strong problem-solving More ❯