26 to 50 of 71 .NET Jobs in Hertfordshire

.Net Full Stack Developer (SC Eligible)

Hiring Organisation
Stealth iT Consulting
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
Cloud Adoption, Digital Transformation & NextGen AI Solutions, offering a Remote first policy (plus ad hoc client site travel). They are looking for multiple .Net Full Stack Developers to join rapidly a growing team, working in a large scale GovSec and private sector digital transformation projects. We have … Docker Compose Experience integrating with relational databases (e.g., SQL Server, Postgres) A strong understanding of web standards, accessibility, and development best practices Experience with .NET Entity framework (EF Core ...

Senior Software Engineer

Hiring Organisation
OptumUK
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
role will see you working across our product suite, contributing to the design, development, and delivery of innovative software. Our tech stack includes C# (.Net Core), MySQL, HTML/CSS, JavaScript, and containerized workloads in AWS. What you'll do At Optum UK, we believe in the power … maintaining high-quality software solutions. Collaborating with product managers, designers, and clinicians to translate requirements into technical specifications. Building and maintaining C#/.Net applications using best practices and design patterns. Developing RESTful APIs for seamless integration with internal and external systems. Optimising application performance and conducting code reviews. ...

.NET Developer

Hiring Organisation
Eutopia Solutions
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
.NET Developer - Empowering Digital Transformation! I'm looking for a talented .NET Developer with expertise in C#, XML, and SQL Server to join my client's small team. Embrace a varied role covering development, support, and testing in a hybrid work environment in Stevenage, Hertfordshire. My client prioritises … testing which includes customer interaction. Join this collaborative, flat-structured team where everyone's voice is valued. This is your opportunity, as a .NET Developer, to make a meaningful impact and contribute to this data-driven journey of digital transformation in an inclusive and supportive environment. Apply today ...

.NET Developer

Hiring Organisation
Eutopia Solutions
Location
Stevenage, England, United Kingdom
.NET Developer - Empowering Digital Transformation! I'm looking for a talented .NET Developer with expertise in C#, XML, and SQL Server to join my client's small team. Embrace a varied role covering development, support, and testing in a hybrid work environment in Stevenage, Hertfordshire. My client prioritises … testing which includes customer interaction. Join this collaborative, flat-structured team where everyone's voice is valued. This is your opportunity, as a .NET Developer, to make a meaningful impact and contribute to this data-driven journey of digital transformation in an inclusive and supportive environment. Apply today ...

Senior Software Engineer (.Net)

Hiring Organisation
Primis
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
Senior/Principal Software Engineer .NET £85,000-£110,000 Remote (UK) Do you thrive on building scalable solutions that power commerce worldwide? We're partnering with a rapidly expanding global payment platform fresh off a transformative acquisition. They're engineering a robust, merchant-centric ecosystem built on quality … resilience, and scale - and they need exceptional .NET Software Engineers to drive this evolution. Your Impact: Design and develop mission-critical platform services, APIs, and merchant portals Drive performance optimisation and system reliability through intelligent engineering Champion engineering excellence in architecture, code quality, and delivery Partner with cross-functional ...

Data Reporting engineer (Python/.Net)

Hiring Organisation
Tenth Revolution Group
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
currently working with a consulting client looking for a contract Fullstack Data reporting engineer and Python software developer. Fullstack Data reporting engineer (Python/.Net) - Contract: Required Skillset: 5+ years Software engineering experience C# Full Stack .NET development SQL Server & SQL Server Reporting Services Python for data engineering … have Python software developer - Contract: Required Skillset: 5+ years Software engineering experience with Python as the primary backend language, with support for Java and .NET Oracle SQL PL for maintaining existing services Experience with AWS, Azure, SQL Server, Postgres, GitHub, Azure DevOps, Linux, Docker and Kubernetes Understanding of continuous ...

Acumatica Developer

Hiring Organisation
Chapman Tate Associates
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
Provide technical expertise and contribute to ongoing product innovation. What We're Looking For • Proven experience developing within Acumatica ERP. • Strong skills in C#, .NET, and SQL. • Experience with Acumatica customisations, APIs, and integrations. • Ability to work independently in a remote environment while maintaining strong communication with the team. ...

C# Developer (Government)

Hiring Organisation
Stealth iT Consulting
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
C# Developer (Government) - Remote - £330.00 Per Day Inside IR35 My government client are seeking a C#/.NET Developer with proven expertise in building modern, cloud-native solutions. This is a high-impact position where you will lead the development of .NET applications using C# and the latest … frameworks (.NET 6/7/8), while shaping the technical direction of mission-critical projects. Must have Government background. Required Skills & Experience: Development of .NET applications using C#, .NET 6/7/8, and modern frameworks. Build cloud-native microservices hosted on Azure App Services ...

C# Developer (Government)

Hiring Organisation
Stealth iT Consulting
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
C# Developer (Government) - Remote - £330.00 Per Day Inside IR35 My government client are seeking a C#/.NET Developer with proven expertise in building modern, cloud-native solutions. This is a high-impact position where you will lead the development of .NET applications using C# and the latest … frameworks (.NET 6/7/8), while shaping the technical direction of mission-critical projects. Must have Government background. Required Skills & Experience: Development of .NET applications using C#, .NET 6/7/8, and modern frameworks. Build cloud-native microservices hosted on Azure App Services ...

Principal Software Engineer

Hiring Organisation
Harrington Starr
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
Career progression in a fast-growing international technology business. Key skills required: 10+ years' experience in enterprise architecture and software engineering. Proven expertise in .NET with strong SaaS and API platform experience. Hands-on track record designing highly scalable, high-performance systems. Strong leadership, mentoring, and stakeholder management skills. ...

Principal Software Engineer

Hiring Organisation
Harrington Starr
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
Career progression in a fast-growing international technology business. Key skills required: 10+ years' experience in enterprise architecture and software engineering. Proven expertise in .NET with strong SaaS and API platform experience. Hands-on track record designing highly scalable, high-performance systems. Strong leadership, mentoring, and stakeholder management skills. ...

Senior Engineering Manager

Hiring Organisation
Method-Resourcing
Location
St. Albans, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
What You Bring Proven leadership of engineering teams within scaling or transforming environments. Strong technical background in distributed systems, cloud-native design, and modern .NET or similar ecosystems. Experience driving large architectural programmes, especially monolith-to-microservices transitions. Deep understanding of event-driven design, reliability, and performance at scale. ...

Software Engineer

Hiring Organisation
Harvey Nash
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
Role: Developer Tech Stack: .NET, C#, AWS, MongoDB IR35 Status: Outside IR35 Day Rate: £400.00 Location: Remote Contract Length: 3 Months + Start Date: Immediate We are seeking a Developer to join the agile delivery team supporting the development of a major government digital platform. You will be responsible … features, working across both front-end and back-end elements of the system. This role is suitable for developers with a strong foundation in .NET and cloud-native engineering, and offers scope to grow technical ownership within a supportive, delivery-focused team. You'll be working in an environment ...

Senior Software Developer | Webigence and Spark Travel

Hiring Organisation
Spark Travel
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
with ability to attend occasional team meet‐ups in London (travel expenses covered). Design, build, and maintain features across the stack: .NET (C#) based API backends, Angular (TypeScript) based frontends, SQL Server, Cosmos DB. Own mission‐critical modules such as pricing engines, itinerary or form builders, client proposal … class or 2:1 degree in Computer Science or a closely related discipline. - 4+ years building modern web or data applications with .NET and at least one JavaScript framework. - Hands-on experience with Azure or another major cloud provider, plus an understanding of microservices and event-driven architectures. ...

Senior Software Developer | Webigence and Spark Travel

Hiring Organisation
Spark Travel
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
with ability to attend occasional team meet‐ups in London (travel expenses covered). Design, build, and maintain features across the stack: .NET (C#) based API backends, Angular (TypeScript) based frontends, SQL Server, Cosmos DB. Own mission‐critical modules such as pricing engines, itinerary or form builders, client proposal … class or 2:1 degree in Computer Science or a closely related discipline. - 4+ years building modern web or data applications with .NET and at least one JavaScript framework. - Hands-on experience with Azure or another major cloud provider, plus an understanding of microservices and event-driven architectures. ...

C# Developer Full Stack .Net Core JavaScript

Hiring Organisation
Client Server
Location
St Albans, England, United Kingdom
C# Developer/Full Stack Engineer (.Net Core JavaScript) St Albans/WFH to £100k Do you have expertise with C# .Net backend development combined with JavaScript skills? You could be progressing your career in a senior hands-on role at a technology driven trading company that invest … complex Payments and client systems within a microservices environment (300 services). You'll be working with a modern tech stack using C# .Net Core, AWS, Kubernetes, Kafka, Redis and TypeScript/Angular; using the right tool for the job, you'll be able to pick up new technologies ...

C# Developer Full Stack .Net Core JavaScript

Hiring Organisation
Client Server
Location
St. Albans, Hertfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
C# Developer/Full Stack Engineer (.Net Core JavaScript) St Albans/WFH to £100k Do you have expertise with C# .Net backend development combined with JavaScript skills? You could be progressing your career in a senior hands-on role at a technology driven trading company that invest … complex Payments and client systems within a microservices environment (300 services). You'll be working with a modern tech stack using C# .Net Core, AWS, Kubernetes, Kafka, Redis and TypeScript/Angular; using the right tool for the job, you'll be able to pick up new technologies ...

Full Stack Engineer

Hiring Organisation
Leap29
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
Senior Full Stack Developer Fully Remote - Within UK 6 months - Inside IR35 7.5 hours a day BPSS Required before starting - SC Clearance will be started throughout the project so need to be elidable for both. ...

Full Stack Engineer

Hiring Organisation
Leap29
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
Senior Full Stack Developer Fully Remote - Within UK 6 months - Inside IR35 7.5 hours a day BPSS Required before starting - SC Clearance will be started throughout the project so need to be elidable for both. ...

Full Stack Engineer

Hiring Organisation
Leap29
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
Senior Full Stack Developer Fully Remote - Within UK 6 months - Inside IR35 7.5 hours a day BPSS Required before starting - SC Clearance will be started throughout the project so need to be elidable for both. ...

.NET/ Azure Developer

Hiring Organisation
Digital Waffle
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
looking for a Software Developer to join their fully remote backend team. You'll work on impactful, data-driven platforms using modern C#/.NET and Azure DevOps. Key Responsibilities: Build and maintain RESTful APIs and microservices (.NET Core/6/7/8) Develop and improve … DevOps Contribute to scalable, high-availability backend systems Collaborate within a supportive, remote engineering team What You'll Bring: Strong experience with C#/.NET Solid understanding of API development & integrations Familiarity with Azure DevOps or similar cloud services Proactive mindset and strong communication skills Fully remote, UK-based ...

.NET/ Azure Developer

Hiring Organisation
Digital Waffle
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
looking for a Software Developer to join their fully remote backend team. You'll work on impactful, data-driven platforms using modern C#/.NET and Azure DevOps. Key Responsibilities: Build and maintain RESTful APIs and microservices (.NET Core/6/7/8) Develop and improve … DevOps Contribute to scalable, high-availability backend systems Collaborate within a supportive, remote engineering team What You'll Bring: Strong experience with C#/.NET Solid understanding of API development & integrations Familiarity with Azure DevOps or similar cloud services Proactive mindset and strong communication skills Fully remote, UK-based ...

Software Engineer

Hiring Organisation
develop
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
.NET Engineer Location: Remote- Once a month in Milton Keynes Salary: Up to £60,000 + Excellent Benefits We're working in partnership with a leading consultancy who are supporting a household brand who work in the financial services space. We're on the lookout for a talented C# … Looking For A strong communicator and a true team player, you'll bring experience in most of the following: Tech Stack C# .NET Webforms (Migration away from Wembforms) Web API Docker/Kubernetes Azure Git SQL/NoSQL Ways of Working Agile/Scrum TDD, CI/CD, DevOps ...

Technical Lead

Hiring Organisation
Glasswall
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
We are looking for an experienced Tech Lead who is passionate about driving technical excellence, democratising design and leading the adoption of best-in-class software standards across Glasswall. The ideal candidate will have deep ...

.Net and Azure Developer/Architect

Hiring Organisation
Infotechtion
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
looking for - .Net and Azure Developer/Architect. Location: Remote (UK only) Employment Type: Full-Time, Permanent Seniority Level: Senior (5-8 years of experience) Join Infotechtion – Where cloud innovation meets real impact. We are seeking a .NET and Azure Developer and Architect who brings deep technical expertise … practices. If you love building scalable, secure, and cloud-native applications — we want to hear from you! Must-Have Skills Application Development and Architecture .NET and C# Microsoft Azure SharePoint Azure DevOps and CI/CD pipelines Terraform and Infrastructure as Code (IaC) Required Certifications: Candidates must hold ...