CrawlJobs Logo

Senior Integrations Developer - Microsoft / .NET

United Kingdom 50000.00 - 55000.00 GBP / Year · Job Posted March 14, 2026
Apply Position
Job Link Share

Job Description

The role is responsible for designing, developing, and maintaining software systems, primarily using Microsoft’s software development platforms, including .NET (8, Core, and Framework), SQL Server, and Azure, with a particular focus on web integrations and APIs. The role involves working with internal teams and third-party integrations to deliver effective software solutions for internal and external users, including clients from small businesses to large organisations.

Job Responsibility

  • Planning, managing and outcomes/deliverables from concept to transition into support
  • Delivering documentation such as HLD, LLD, implementation documents and knowledgebase articles
  • Handover of outcomes/deliverables to colleagues within the team (both on-shore and off-shore)
  • Work with internal teams and external partners to deliver software solutions
  • Driving improvement and innovation, challenging current technologies, processes and behaviours
  • Stay up to date with emerging technologies and best practices, applying them to enhance software quality
  • Design, develop, and maintain software systems and integrations using Microsoft technologies
  • Develop an understanding of business needs to identify opportunities for process and technology improvements
  • Provide ongoing support for new and existing systems, ensuring reliability and efficiency

Requirements

  • Commercial experience developing systems with C# (.NET8 Core and .NET Framework)
  • Experience delivering solutions using Microsoft technologies
  • Resident in the UK with valid right to work
  • Knowledge of Azure services (Functions, Storage, Web Apps, API Management, Cosmos DB, Service Bus)
  • Strong MS SQL Server knowledge, including Transact-SQL
  • Familiarity with Entity Framework ORM
  • Experience with Web Services (Web-API/REST, SOAP)
  • Understanding of SOLID principles and best coding practices
  • Experience with Unit Testing and Test-Driven Development
  • Proficiency with Git for source control
  • Ability to gather and document user requirements
  • Customer-focused mindset with problem-solving skills
  • Strong written and verbal communication skills

Nice to have

  • Experience with Azure API Management
  • Experience with event-driven architectures and messaging patterns
  • Understanding of OAuth2, OpenID Connect, and API security best practices
  • Relevant Microsoft certification/s

What we offer

Referral bonus for each successful appointment

Looking for more opportunities?

Search for other job offers that match your skills and interests.

Similar Jobs for

Senior Integrations Developer - Microsoft / .NET

8 matching positions

Senior .NET Developer (Azure & AI-Driven Engineering)

As a Senior .NET Developer, you will play a key role in designing and delivering...
Location
Location
North Macedonia , Skopje
Salary
Salary:
Not provided
hso.com Logo
HSO
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Strong expertise in C# and .NET (Core / .NET 6+)
  • Proven experience with Microsoft Azure, including services such as: Azure App Services, Azure Functions, Azure Storage & Azure SQL, Messaging services (Service Bus, Event Grid)
  • Experience with API development, integrations, and microservices architectures
  • Hands-on experience with GitHub and modern version control workflows
  • Practical experience using GitHub Copilot or similar AI development tools
  • Solid understanding of cloud architecture and distributed systems
  • Experience with CI/CD pipelines and DevOps practices
  • Familiarity with Docker and container-based deployments
Job Responsibility
Job Responsibility
  • Design, develop, and deliver robust, scalable solutions using C# and modern .NET technologies
  • Build and optimise cloud-native applications leveraging Microsoft Azure services
  • Collaborate with functional and technical teams across HSO to deliver end-to-end solutions
  • Apply best practices in software engineering (clean code, SOLID principles, design patterns)
  • Use GitHub Copilot and AI-assisted tooling to improve development efficiency and code quality
  • Contribute to solution architecture and technical design decisions
  • Implement integration patterns, APIs, and microservices-based architectures
  • Support DevOps practices, including CI/CD pipelines, automated testing, and monitoring
  • Mentor junior developers and actively contribute to knowledge sharing within the team
What we offer
What we offer
  • Work on innovative, international projects
  • Continuous investment in your professional development and certifications
  • Access to the latest Microsoft technologies and AI-enabled tools
  • A collaborative culture focused on knowledge sharing and excellence
  • Clear career growth paths within a global organisation
  • Flexible working model supporting work-life balance
  • Fulltime
Read More
Arrow Right

Senior .NET Developer

The Applications Development Senior Programmer Analyst is an intermediate level ...
Location
Location
Canada , Mississauga
Salary
Salary:
94300.00 - 141500.00 USD / Year
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Has 8+ years of hands-on experience in developing enterprise applications out of which 2 yrs. in solution architecture
  • Is an expert in architecting enterprise-wide solutions using Microsoft technologies and design patterns
  • Has strong hands-on experience in C#, .NET, .NET Core 8+, Angular 12+
  • Has hands-on experience in NoSQL (preferable MongoDB) or any big data
  • Has experience in Rest API, Java script, Messaging queues
  • Possesses advanced execution capabilities and ability to adjust quickly to changes, especially in prioritization
  • Has excellent verbal and written communication skills, with a knack for taking technical language and making it comprehensible
  • Has a passion for solving tough problems and proposing elegant solutions
  • Is an avid learner with an ability to learn and adapt so that you can help teach others and encourage idea exchange and information percolation
  • Applies analytical thinking and knowledge of development methodologies
Job Responsibility
Job Responsibility
  • Has 8+ years of hands-on experience in developing enterprise applications out of which 2 yrs. in solution architecture
  • Is an expert in architecting enterprise-wide solutions using Microsoft technologies and design patterns
  • Has strong hands-on experience in C#, .NET, .NET Core 8+, Angular 12+
  • Has hands-on experience in NoSQL (preferable MongoDB) or any big data
  • Has experience in Rest API, Java script, Messaging queues
  • Possesses advanced execution capabilities and ability to adjust quickly to changes, especially in prioritization
  • Has excellent verbal and written communication skills, with a knack for taking technical language and making it comprehensible
  • Has a passion for solving tough problems and proposing elegant solutions
  • Is an avid learner with an ability to learn and adapt so that you can help teach others and encourage idea exchange and information percolation
  • Applies analytical thinking and knowledge of development methodologies
  • Fulltime
Read More
Arrow Right

Senior Developer, Integrations

This role within the Corporate Technology, Innovation & Data department focuses ...
Location
Location
Canada , Toronto
Salary
Salary:
90000.00 - 125000.00 CAD / Year
fourseasons.com Logo
Four Seasons
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of experience in software development
  • Post-secondary degree or diploma in Computer Science or a related technical discipline, or equivalent experience
  • Experience working within complex, enterprise-scale technology environments
  • Azure certifications preferred
  • Deep expertise in cloud development and integration architecture, with a strong focus on Microsoft Azure
  • Hands-on experience with Azure services including Service Bus, Event Grid, App Services, Azure Functions, Logic Apps, and Application Insights
  • Strong development experience using .NET, C#, Visual Studio, and Visual Studio Code
  • Experience building RESTful APIs, microservices, and integrations using XML, JSON, and related technologies
  • Experience with relational databases and NoSQL technologies such as Cosmos DB
  • Familiarity with authentication and authorization concepts including OAuth and OIDC
Job Responsibility
Job Responsibility
  • Design and develop enterprise integration solutions that connect systems, applications, and data sources to drive business value
  • Write clean, maintainable code and perform unit testing while producing appropriate technical artefacts and documentation
  • Ensure high standards of development processes and code quality through adherence to best practices
  • Build scalable, reusable, reliable, and secure integration solutions that support long-term architectural sustainability
  • Act as an Azure subject matter expert, supporting solution architecture decisions and mentoring team members
  • Support DevOps and production support teams with troubleshooting, investigations, and high-priority issue resolution
  • Partner with senior functional leaders and internal stakeholders to understand business needs and requirements
  • Provide strategic and architectural guidance on integration design patterns and solution options
  • Communicate technical designs, trade-offs, and impacts effectively to business stakeholders
  • Collaborate with project managers and internal teams to scope initiatives, define deliverables, estimate effort, and support timelines
  • Fulltime
Read More
Arrow Right

Senior .NET Developer

Location
Location
United States , Jacksonville
Salary
Salary:
Not provided
https://www.roberthalf.com Logo
Robert Half
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor’s degree in Computer Science, Software Engineering, or related field
  • 3-5+ years of hands-on .NET development experience
  • Proficient in C#, ASP.NET Core, and MVC frameworks
  • Proficient in Angular
  • Experience integrating applications with Azure services (e.g., Azure Blob Storage, Functions)
  • Knowledge of SQL Server and relational database design
  • Microsoft certifications in .NET or Azure development preferred
Job Responsibility
Job Responsibility
  • Develop scalable applications using Microsoft .NET technologies, ensuring robust functionality and seamless integration with business processes
What we offer
What we offer
  • medical
  • vision
  • dental
  • life and disability insurance
  • 401(k) plan
  • Fulltime
Read More
Arrow Right

Senior .Net Developer

Senior .Net Developer – Great Tech Stack. We have an excellent opportunity for a...
Location
Location
Ireland , Dublin 4
Salary
Salary:
Not provided
solasit.ie Logo
Solas IT Recruitment
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 4+ years .Net Development experience
  • Experience working with cloud tools for build pipelines, such as Azure or AWS for CI/CD
  • C#, ASP.net, MVC, JavaScript, CSS, HTML, jQuery
  • Microsoft SQL Server, NoSQL, Team Foundation Server, GIT
  • Knowledge of Restful architectures and design patterns
Job Responsibility
Job Responsibility
  • Work on the latest technologies to deliver innovative solutions for business partners
  • Working directly on application/technical problems identification and resolution
  • Taking technical responsibility for maintaining and supporting company products, and working on own initiative to find optimum solutions
  • Designing and developing internal tools to streamline delivery of the support function
  • Performing integration tasks for in-house developed systems
  • Design of epics and features working closely with architects in developing solutions for complex requirements
Read More
Arrow Right

Senior .NET Developer

Andworx is seeking a Senior .NET Developer to play an important role in the deve...
Location
Location
United States , Washington
Salary
Salary:
Not provided
andworx.com Logo
Andworx
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 8-10 years of experience developing enterprise level applications, preferably in a Federal Government environment
  • Hands-on experience with Blazor, ASP.NET, .NET 8, .NET Core, C# .NET, MVC, MVVM, Entity and similar .NET design patterns and frameworks
  • Experience and understanding in developing responsive and web enabled applications, including web services integration utilizing REST, SOAP, JSON, and XML
  • Experience with relational data models working in an Oracle database environment
  • Understanding of SDLC methodologies including Agile Kanban and Scrum
  • Excellent written and oral communication skills, with both technical and non-technical people
  • Bachelor's degree in Computer Science, Information Systems, or related technical field or equivalent years' experience
  • U.S Citizenship is required as is ability to successfully obtain a federal government investigation for a Position of Trust clearance. (Green card holders do not meet this requirement.)
Job Responsibility
Job Responsibility
  • Develop enterprise applications and support end-to-end software development and delivery in an Agile Microsoft code-base environment
  • Apply understanding of application development processes, coding standards, and performance standards to develop, test, and deploy engaging software solutions
  • Work with subject matter experts and key stakeholders to understand customer business processes, objectives, and solution requirements
  • Use agile techniques to prepare user stories and acceptance criteria to meet prioritized requirements
  • Participate in testing, packaging, and delivering software and documentation to a production environment
  • Troubleshoot, debug, maintain, and improve applications as well as compile and assess user feedback to improve software performance
  • Develop enterprise applications and support end-to-end software development and delivery in an Agile Microsoft code-base environment
  • Use various scripting and programming languages to develop, test and deploy software solutions.
  • Fulltime
Read More
Arrow Right

Senior .NET Developer

Andworx is seeking a Senior .NET Developer to play an important role in the deve...
Location
Location
United States , Washington, DC
Salary
Salary:
Not provided
andworx.com Logo
Andworx
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 8-10 years of experience developing enterprise level applications, preferably in a Federal Government environment
  • Hands-on experience with ASP.NET, .NET 6 .NET Core, C# .NET, MVC, MVVM, Entity and similar .NET design patterns and frameworks
  • Experience and understanding in developing responsive and web enabled applications, including web services integration utilizing REST, SOAP, JSON, and XML
  • Experience with relational data models working in an Oracle database environment
  • Understanding of SDLC methodologies including Agile Kanban and Scrum
  • Experience leading small teams, projects, tasks, or initiatives, preferred
  • Excellent written and oral communication skills, with both technical and non-technical people
  • Bachelor's degree in Computer Science, Information Systems, or related technical field or equivalent years' experience
  • U.S Citizenship is required as is ability to successfully obtain a Position of Trust clearance. (VISA or Green card holders do not meet this requirement.)
Job Responsibility
Job Responsibility
  • Develop enterprise applications and support end-to-end software development and delivery in an Agile Microsoft code-base environment
  • Apply understanding of application development processes, coding standards, and performance standards to develop, test, and deploy engaging software solutions
  • Work with subject matter experts and key stakeholders to understand customer business processes, objectives, and solution requirements
  • Use agile techniques to prepare user stories and acceptance criteria to meet prioritized requirements
  • Participate in testing, packaging, and delivering software and documentation to a production environment
  • Troubleshoot, debug, maintain, and improve applications as well as compile and assess user feedback to improve software performance
  • Develop enterprise applications and support end-to-end software development and delivery in an Agile Microsoft code-base environment
  • Use various scripting and programming languages to develop, test and deploy software solutions.
  • Fulltime
Read More
Arrow Right

Senior .NET Developer

The Senior .NET Developers will lead the development of web and enterprise appli...
Location
Location
Salary
Salary:
Not provided
keyideasinfotech.com Logo
Keyideas Infotech Private Limited
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Proficiency in Blazor, .NET Core, C#, Azure, and SQL
  • 4+ years of experience with microservice architecture and building microservices with C#, preferably Microsoft .Net Core 3.1 and/or .NET 5+
  • 4+ years of experience providing end-to-end integration solutions development for enterprise software or hosted services
  • Expertise in .NET technologies, REST services and client-side integration via JSON for interfacing and building required services (APIs) to communicate with existing product suite
  • 4+ years of experience developing user interfaces
  • Experience in MySQL, SQL Server and MongoDB
  • 4+ years of experience with HTML/CSS
  • 4+ years of experience with the SDLC development process
  • Experience with Agile development methodologies
  • Experienced with technical troubleshooting and problem solving
Job Responsibility
Job Responsibility
  • Analyze, design, code, debug, test, document, implement and maintain business and client-facing applications
  • Lead the development of web and enterprise applications, leveraging expertise in the Microsoft stack to deliver scalable, user-focused solutions
  • Collaborating with an Agile team, they will drive best practices and continuous improvement
Read More
Arrow Right