1 to 25 of 46 Senior .NET Developer Jobs

Senior .Net Developer - South Wales - to 56K plus benefits I am seeking a Senior .Net Developer to work for a fantastic business based in the heart of South Wales. The organisation are putting together a new software development, QA and DevOps team and the successful Senior .Net Developer will be at … the heart of the technical decision-making on a string of exciting greenfield projects. The right Senior .Net Developer will have demonstrable experience of working in an Agile Development team, and will have excellent skills in .Net and C#. You will have excellent knowledge and experience of API development, and will have skills in Azure. The … will receive the following benefits: Salary of up to 56K DOE Employer pension contribution of up to 9% 25 days holiday Discount schemes Excellent training and development The successful Senior .Net Developer will have the following skills and attributes: Strong skills in .Net C# Development Understanding of Event-Driven Development (Azure Event Hubs, Service Bus, Event More ❯

Senior .Net Developer - South Wales - to £56K plus benefits I am seeking a Senior .Net Developer to work for a fantastic business based in the heart of South Wales. The organisation are putting together a new software development, QA and DevOps team and the successful Senior .Net Developer will be at … the heart of the technical decision-making on a string of exciting greenfield projects. The right Senior .Net Developer will have demonstrable experience of working in an Agile Development team, and will have excellent skills in .Net and C#. You will have excellent knowledge and experience of API development, and will have skills in Azure. The … will receive the following benefits: Salary of up to £56K DOE Employer pension contribution of up to 9% 25 days holiday Discount schemes Excellent training and development The successful Senior .Net Developer will have the following skills and attributes: Strong skills in .Net C# Development Understanding of Event-Driven Development (Azure Event Hubs, Service Bus, Event More ❯

Senior .NET Core Developer - Azure - £550 per day (Outside IR35) - initial 3 months Global logistics client is now searching for a Senior .NET Developer to focus on a C# migration project and the embedding of Azure devops best practice. This role will focus on enhancing our clients cloud security, containerisation technologies and overall software … architecture. Key Responsibilities: Design and develop scalable and secure .NET applications. Use Docker/Kubernetes to implement containerisation technologies for efficient deployment. collaborate with stakeholders to define software requirements. Ensure the team comply with cloud security best practices. Oversee the full SDLC, from design to deployment. Drive continuous improvement across development teams ensuring innovation and the adoption of new … technologies. Key Requirements: Extensive commercial experience as a Senior .NET Developer - .NET Core/.NET Framework and C#. Hands-on experience with Azure services (Functions, DevOps etc.) Strong Logic Apps experience a must Strong experience with containerisation technologies such as Docker and Kubernetes. Solid understanding of cloud security best principles and practices. Expertise in Azure More ❯

Immediate contract opportunity for Senior .NET Developer with direct client in Baltimore, MD. Trigyn's direct government client has a contract opportunity for a Senior .NET Developer in Baltimore, MD. The particulars of the opportunity are below: Description: The Senior Developer has a strong focus on .NET technologies to join our … driving our software initiatives forward. Primary responsibilities may include but are not limited to the following: • Design and Development: Lead the design and development of robust, scalable, and maintainable .NET applications. • Code Quality: Write clean, efficient, and well-documented code. Conduct code reviews and mentor junior developers. • Requirements Analysis: Collaborate with product managers, designers, and other stakeholders to understand … improve development processes and standards. Minimum Education and Experience Requirements: • Bachelor's degree in Computer Science, Information Technology, or related field. Equivalent work experience will also be considered. • Microsoft .NET/Azure development stack - recent 8 year(s) • Application Development - 5 year(s) • Application Development Lead - 2 year(s) Equivalencies: • An equivalent combination of education and experience. Required Skills More ❯

Title: Senior .Net Developer Duration: 7 months+ Contract Location: Remote Rate: Upto $71/hr on W2 (All inclusive/no benefits) Job Description: We are seeking a highly experienced Senior .NET Software Developer with 15+ years of professional development experience to join our team. The ideal candidate will be a technical leader, responsible … for designing, developing, and maintaining enterprise-grade applications using the Microsoft .NET ecosystem. This role requires strong problem-solving skills, deep technical expertise, and the ability to build and maintain legacy applications while collaborating across teams. Key Responsibilities Lead the design, development, and deployment of scalable .NET applications. Architect solutions using C#, ASP.NET Core, and related frameworks. Collaborate … vulnerability remediation Conduct code reviews with a security lens and mentor junior developers on secure development practices Required Skills & Qualifications 15+ years of professional software development experience with the .NET framework and .NET Core. Strong proficiency in C#, ASP.NET MVC, ASP.NET Core, Web API. Expertise in SQL Server, Entity Framework, LINQ. Experience with front-end technologies (JavaScript, TypeScript More ❯

Great opportunity for a Senior .NET Developer to join a SaaS scale-up in Manchester. Since their inception in 2015 this company has grown from start-up to scale-up, they now employ almost 200 people and have over 50,000 clients using their software across the globe. The technology department is made up of 5 product … truly agile way, delivering small increments of value to their customers very frequently. This role sits within the team responsible for developing their flagship software platform and as a Senior .NET Developer you'll be given the opportunity to build, test and ship super-fast in a team that cares about engineering best practice, pairing and continuous … improvement. Skills: C#, .NET, REST APIs Azure Cloud - Azure Functions, Logic Apps, Service Bus, CosmosDB TDD, CI/CD, SOLID The money is good too - up to £70k for the right person. If you're interested in this opportunity and would like to know more, please apply through this advert and I will contact you ASAP. InterQuest Group is More ❯

Position Overview We are seeking a highly skilled Senior .NET Developer with strong experience in .NET Core (6+), C#, ASP.NET , and hands-on expertise in GitLab CI/CD pipelines . The ideal candidate should have a deep understanding of backend development, microservices, DevOps practices, and modern cloud environments. Experience with performance tuning, application optimization, and … system migrations is a strong advantage. Key Responsibilities Design, develop, and maintain applications using .NET Framework, .NET Core (6+), C#, ASP.NET , and Web APIs . Build and consume WCF services and RESTful APIs. Work extensively with MS SQL for database design, optimization, and queries. Build, manage, and optimize GitLab CI/CD pipelines (mandatory). Integrate code quality … Development (TDD) and unit testing frameworks to ensure high code quality. Contribute to DevOps practices, automation improvements, and deployment processes. Participate in migration projects, refactoring legacy components to modern .NET Core-based architectures. Optimize application performance, troubleshooting performance bottlenecks across APIs and services. Work with RabbitMQ for messaging, event-driven integrations, and asynchronous communication. Collaborate with cross-functional teams More ❯

Senior Back-End Developer - C#/.NET/SQL Server C#, .NET 6+, SQL Server, REST & GraphQL APIs, Azure, Git Salary up to £65k Onsite in Central Manchester Excellent career progression Who We Are We're a collaborative tech team delivering robust, scalable SaaS products to a global customer base. Our developer-led culture values … clean, maintainable code, innovation, and continuous learning. With an ambitious roadmap ahead, we're expanding our back-end capabilities and looking for a Senior Developer to help shape and deliver our next generation of features. Who We're Seeking We're looking for a Senior Back-End Developer with deep expertise in C# (.NET 6+ … call me on 07880 358 148. By applying, you consent to us processing your details for this vacancy only. We look forward to hearing from you! Key Skills: C#, .NET 6+, SQL Server, REST APIs, GraphQL, Git, Agile, TDD (NUnit), Entity Framework, Azure, Design Patterns, Observability, Security Best Practices More ❯

Are you a seasoned .NET Developer who thrives on building scalable, elegant software that powers real-world applications? Are you passionate about designing clean architecture, applying SOLID principles, and mentoring other Software Engineers? Join us and help shape the future of our cloud-based SaaS platform. Who We Are We're a fast-growing SaaS company revolutionising our … industry with a product used by thousands of customers globally. Our platform is built for scale, reliability, and agility — and we're looking for a Senior .NET Developer who shares our drive to deliver engineering excellence. What You'll Do Design and implement high-performance, scalablemicroservicesusing.NET 6+ and C# Own features end-to-end: from concept, design … pipelines, and containerised environments (Docker, Kubernetes) Help mentor and guide developers, contributing to a culture of technical excellence What You Bring 5+ years of hands-on experience in modern .NET (Core/6/7+) Deep understanding ofmicroservices architectureand RESTful API design Strong grasp ofobject-oriented principles, SOLID, and clean architecture patterns Experience withcloud platforms(ideally Azure) Proficient in More ❯

Genesis10 is seeking a Senior .Net Developer for a 6 month contract position with mortgage loan corporation located in McLean, VA. This position is fully onsite. Looking for a Developer with Following Experience: Solid C# .NET development experience up to the latest .NET frameworks Experience with .NET Core web application development Demonstrated expertise … Role: Independent spirit, with ability to provide technical guidance to the team Extraordinary teammate Innovative in providing solutions and enjoys taking on challenges with calculated risk Not a just developer, but a developer with a demeanor to think holistically to create reliable, flexible, and well performing systems Strong written and oral communications skills Proactive in nature with customer More ❯

Senior .NET Core Developer - Azure - £550 per day (Outside IR35) - initial 3 months Global logistics client is now searching for a Senior .NET Developer to focus on a C# migration project and the embedding of Azure devops best practice. This role will focus on enhancing our clients cloud security, containerisation technologies and overall software More ❯

Job Title: Senior .NET Web Developer- minimum 10 years Location: Wisconsin Only (Hybrid Onsite as Required) Interview: In-Person or Video Interview; Real-Time Screenshot Required Job Description A State of Wisconsin client is seeking a highly experienced Senior .NET Web Developer to support multiple high-profile web application initiatives within the Child Care … to Wisconsin-based candidates or those willing to relocate to Wisconsin within 30 days of the start date. All work must be performed within the state of Wisconsin. The developer will work on modernization efforts that include an enterprise-wide migration to a unified authentication platform using Okta, development of .NET MVC and .NET 8 applications, and … practices. Prior experience with Wisconsin state systems, including CARES and Child Care applications, is highly preferred. Key Responsibilities Application Development Design, develop, test, and deploy secure web applications using .NET MVC, C#, JavaScript, HTML5, and CSS. Implement and maintain OIDC-based authentication and Okta identity integrations. Build and support APIs leveraging WebAPI and n-tier architecture. Modernize legacy mainframe More ❯

Senior .NET Developer - Manchester (Hybrid) Join high-performing development teams of 250+ building real-time, large-scale systems used by millions of users across the UK, North America and South Africa. This is a chance to work on business-critical software that directly drives user engagement and revenue. Hybrid role based in Manchester city centre (2 days … and resolving complex technical issues Collaborate with end-users to gather requirements and provide support What You'll Need: Experience working on large commercial systems Strong skills in C#, .NET Core, and Web APIs Database experience, working with both SQL and NoSQL Performance tuning and optimisation expertise Contact Philip Boltt at Lorien Global for more information. IND_PC1 Guidant More ❯

Senior Developer - React + WordPress or .Net Up to £65k + benefits Fully remote (South Wales/South West preferred for monthly meet up) Want to build tech for good infrastructure for systems that save lives? Fancy developing greenfield predictive AI models for innovative start ups? Or maybe you like the idea of designing and building digital … products in the sports and health space? If that sounds like your kind of work, you might like what we are doing. We are looking for a Senior Developer to join a close knit tech team working across a mix of meaningful client projects and internal products. The work is varied, hands on and gives you plenty of … opportunities to guide and mentor junior team members. What we are looking for * Five years experience building digital products * Strong JavaScript skills with React * Experience with either WordPress OR .Net and Azure * Someone who enjoys solving problems, working collaboratively and taking ownership Want to know more? Feel free to get in touch for an informal chat. If your CV More ❯

DTS is looking for Senior .Net Developer for our direct client position in Lansing, MI Top Skills & Years of Experience: • 5+ years of .NET CORE 3.1 or higher (6.0 preferred) and C# experience. • 5+ years of experience developing with REST web service interfaces or Web APIs. • 5+ years of experience with SQL including writing and maintaining … to allow users to upload documents from a website. • 5+ years of experience with Agile/SCRUM processes and working in Sprint Development team. Must Have: 5+ years of .NET CORE 3.1 or higher (6.0 preferred) and C# experience. 5+ years of experience developing with REST web service interfaces or Web APIs. 5+ years of experience with SQL including More ❯

Programmer Analyst 6 - Senior (.NET C# Developer) resumes are kept to 4-5 pages, Interview Process: Candidates submitted must be willing to come onsite (Lansing, MI) for interviews. Remote or On-site: Accepting local candidates within 90 minutes of Lansing, MI ONLY. Position will be hybrid, in office 2 days a week upon start and there is … NO REMOTE ONLY option. Full Job Description Top Skills & Years of Experience: 5+ years of .NET CORE 3.1 or higher (6.0 preferred) and C# experience. 5+ years of experience developing with REST web service interfaces or Web APIs . 5+ years of experience with SQL including writing and maintaining complex Select/Insert/Update statements. 3+ years of … upload documents from a website. 5+ years of experience with Agile/SCRUM processes and working in Sprint Development team. Programmer Analyst 6 The resource will act in a developer and analyst role for the client Accounts Receivable and Collections Project. The resource will work in an agile environment to write and test code to implement the user stories More ❯

Great opportunity for a Senior .NET Developer to join a SaaS scale-up in Manchester. Since their inception in 2015 this company has grown from start-up to scale-up, they now employ almost 200 people and have over 50,000 clients using their software across the globe. The technology department is made up of 5 product More ❯

Senior .NET Integration Developer Maidenhead - Hybrid (3 days on site & 2 from home) £50,000 - £70,000 + Holiday + Pension + Training + Private Health Plan Excellent opportunity for an experienced C# .NET looking to join a stock market listed business, renowned for their supportive culture and award-winning training opportunities.This company are a well … framework. You will work across financial, telematics, and mapping APIs, ensuring solutions are secure, scalable, and aligned with modern cloud architecture. You will use your expertise in C#/.NET and modern APIs (REST, WebAPI, JSON, OAuth2) to build fault-tolerant, event-driven integrations, support customers and partners with API usage, and deliver clear, high-quality documentation while maintaining … Strong communication will be key, as you'll explain solutions clearly and produce high-quality technical documentation to support successful implementation.This is a fantastic opportunity for a skilled Integration Developer to join an international SaaS specialist where you will work on high-impact systems and help shape the future of their global platform. The Role: Develop and maintain secure More ❯

Leading Software Consultancy who are very much in growth mode are looking for a Senior Software Developer .NET, this role can be hybrid or remote and is based in the UK or Ireland Key Responsibilities Work within our evolving Agile process and across .Net, .Net Core, Desktop and Web Applications. A blend of design, architecture … and build new tools and features to improve how they build. Profiling and performance analysis. Assist in junior engineer development Knowledge and Experience 8-10+ years’ experience in .Net Stack Development (Windows Forms preferably) SQL Server Knowledge. Proficiency in designing and building well-constructed solutions for scale Familiarity with Agile patterns and practices Experience with .Net application More ❯

S enior .Net Developer Long Term Contract, greenfield work €500 - €575/day Central Dublin, hybrid working We’ve partnered with a stalwart in the Irish community, who are a market leader in their space. The business in going through a large transformation piece and are investing heavily in new technology and processes. We’ve placed a number … of contractors here and have excellent feedback on the culture and working environment. We have a requirement for a number of .Net developers to join on long term contracting roles. These are Senior Development positions for seasoned back end .Net developers. Desired Skills 6+ years C#/.Net Development Experience Strong experience building .Net Core More ❯

Position: Senior .Net Developers (Multiple roles) Location: Richmond, VA Start date: ASAP Duration: 6- 12 months Interview process: Phone interviews followed by Skype/Webex Brief description: Looking for a resource that can assist with converting data from one system to another. In addition, the resource will also write integrations between 2 systems utilizing .Net and API … candidates will both be working on creating a service middle layer that will enable information to be retrieved from a message queue and transmitted to a 3rd party vendor Developer 1 will be part of an Agile/Scrum team focused on back end development. The role will help work on changing all of the team s single large … into many individual parts to scale horizontal instead of vertical. Azure Service Bus will serve as the common channel for all the smaller services to listen to and respond. Developer 2 will be part of an Agile/Scrum team focused on building out the front and middle layer of an internally built website to support CAF customer service More ❯

Senior Back-End Developer - C#/.NET/SQL Server C#, .NET 6+, SQL Server, REST & GraphQL APIs, Azure, Git Salary up to £65k Onsite in Central Manchester Excellent career progression Who We Are We're a collaborative tech team delivering robust, scalable SaaS products to a global customer base click apply for full job details More ❯

SENIOR .NET AND REACT DEVELOPER - 12 months - INSIDE IR35 One of Loriens Leading Public Sector Clients are looking for A highly experienced .Net and React Developer to join their team. The successful candidate will be required to be in office in Edinburgh from time to time. Work closely with other members of the team to More ❯

About the Role: We are seeking a highly skilled and experienced Senior Azure .NET Developer to lead the design, development, and deployment of enterprise-grade applications using modern Microsoft technologies. This role is ideal for someone passionate about cloud-native development, API engineering, and DevOps practices in a fast-paced Agile environment. Key Responsibilities: Design & Development: Lead … the architecture and development of scalable applications using .NET Core and Azure services. API Engineering: Build and maintain secure, high-performance RESTful APIs. Cloud Solutions: Utilize Azure Functions, Service Bus, Logic Apps, Cosmos DB, Key Vault, and API Management (APIM) to deliver robust cloud-native solutions. Database Management: Design efficient schemas, write optimized SQL queries, and ensure data integrity … in Agile ceremonies including daily stand-ups, sprint planning, and retrospectives. Stakeholder Communication: Effectively communicate technical concepts to both technical and non-technical audiences. Required Skills & Experience: Core Technology - .NET Core (C#). Cloud Computing - Azure Functions, Service Bus, Logic Apps, Cosmos DB, Key Vault, APIM. Database - SQL, query optimization. API/Web Services - REST API development. DevOps/ More ❯

We are seeking a motivated and talented individual to join our team as a *Senior .Net Software Developer*. In this role, you will design and develop distributed microservices for Quake Global's IoT asset management platform. You will work with event-driven architecture, message-driven systems, and modern .NET technologies to build scalable, cloud-native … engineers and other teams in developing the product. * Perform other related duties as assigned by management. *QUALIFICATIONS:* *REQUIRED EXPERIENCE (8+ years):* *Core Backend Technologies:* * Expert-level C# development with .NET 6/8/9 (latest versions) * ASP.NET Core Web API development with RESTful design patterns * Swagger/OpenAPI specification and API documentation * Entity Framework Core (code-first migrations … insurance * Health savings account * Life insurance * Paid time off * Referral program * Vision insurance Application Question(s): * What is your desired base salary? Education: * Bachelor's (Required) Experience: * C# in .Net: 8 years (Required) Location: * San Diego, CA 92123 (Required) Work Location: In person More ❯