1 to 25 of 128 Permanent JSON Jobs in the UK

Senior Software .NET Developer

Hiring Organisation
IT Talent Solutions Ltd
Location
Altrincham, Cheshire, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
years’ commercial experience as a .NET/ASP.NET Full Stack Developer Strong experience with: ASP.NET, .NET Core, C#, MVC/Razor, HTML, CSS, JavaScript, JSON, XML, MS SQL Server Solid understanding of software architecture and design patterns Experience building and consuming Web Services and RESTful APIs Source control using ...

Enterprise Systems Developer

Hiring Organisation
Sanderson Government and Defence
Location
Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
continuous improvement initiatives. Skills and Experience Strong understanding of system integration concepts, including REST/SOAP APIs and data mapping. Experience with XML, JSON, SQL, and relational databases. Proficiency in programming languages such as Java, C#, or Python. Familiarity with cloud platforms (AWS, Azure, etc.) and microservices architecture. Experience with ...

Software Developer

Hiring Organisation
Adecco
Location
Leyland, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £60,000 per annum
database experience HTML5, CSS3, JavaScript API & Integration: REST API expertise (HTTP verbs, status codes, response handling) Experience consuming APIs using HttpClient, RestSharp or equivalent JSON serialization/deserialization (System.Text.Json/Newtonsoft.Json) CORS, HTTPS, API Security best practices Version Control & Deployment Git (Branching, Pull Requests, Conflict Resolution) CI/CD experience ...

Senior Automation Test Engineer - ETRM / Trading Platforms

Hiring Organisation
Data Careers
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
with an ETRM platform with as many of the following as possible: Programming & Scripting: Python, Java, JavaScript, C++, Scriban Web Technologies: RESTful APIs, HTTP, JSON, HTML, CSS, Node.js Databases: SQL Server, MySQL, PostgreSQL, MongoDB Tools & Frameworks: Git, Docker, Jenkins, Kubernetes, Agile (Scrum & Kanban), JIRA, Pytest, Powershell Operating Systems: Linux, Windows ...

Junior Software Engineer

Hiring Organisation
Information Tech Consultants
Location
England, United Kingdom
Familiarity with JUnit for writing and executing test cases Basic understanding of cloud platforms like AWS, Azure, or GCP Strong knowledge of RESTful APIs, JSON, and HTTP Experience with version control tools like Git Experienced in working within Agile/Scrum environments. Familiar with Agile tools such as JIRA, Confluence ...

Senior Software Engineer

Hiring Organisation
Cyber Guardian Consulting Group, LLC
Location
London Area, United Kingdom
alerts, retries) Help shape engineering culture and hiring as we build out the London team Required Qualifications Strong experience working with REST APIs and JSON/XML payloads Proficiency in Python or other backend languages Proficient or experienced with cloud technologies such as AWS, Azure, or GCP Experience debugging ...

Senior Software Engineer

Hiring Organisation
Cyber Guardian Consulting Group, LLC
Location
Newcastle Upon Tyne, England, United Kingdom
alerts, retries) Help shape engineering culture and hiring as we build out the Newcastle team Required Qualifications Strong experience working with REST APIs and JSON/XML payloads Proficiency in Python or other backend languages Proficient or experienced with cloud technologies such as AWS, Azure, or GCP Experience debugging ...

Frontend Developer

Hiring Organisation
Aspire Personnel Ltd
Location
Poole, Dorset, United Kingdom
Employment Type
Permanent
Salary
£35000 - £40000/annum
Fluxor or similar for Blazor). Solid understanding of responsive design, cross-browser quirks, and front-end performance optimisation techniques. Familiarity with RESTful APIs, JSON, and common front-end tooling (package managers, bundlers, linters). Experience using Git, DevOps version control systems in a collaborative environment. Working knowledge of accessibility ...

Senior Developer- Business Central

Hiring Organisation
QBS Software Ltd
Location
Alderley Edge, Cheshire, North West, United Kingdom
Employment Type
Permanent
D365 Sales, Customer service and customer insights. Proficiency in developing in the Microsoft Power Platform. Solid technical experience & understanding of API integration (REST, SOAP, JSON/XML) Developing EDI or B2B trading workflows Solid understanding of SQL databases and ability to write efficient database queries. Strong problem-solving and analytical ...

Senior Automation Test Engineer

Hiring Organisation
Data Careers
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
Python, .NET or data testing Experience testing event/message-driven architectures (e.g. Kafka, Azure Service Bus) Configuration of test data and pipelines (YAML, JSON, XML) Bash or PowerShell scripting Exposure to performance, stress or security testing Degree in Computer Science or related discipline ...

Network Automation Engineer Specialist (telecoms/ network)

Hiring Organisation
Talent Locker
Location
United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
templates. Experience with API management (Apigee, Kong, OpenShift API Management) and API lifecycle. Background in UNIX/Linux administration and working with REST APIs, JSON, webhooks. Experience with Web Application Firewalls (WAF) (F5 ASM, AWS WAF, Azure WAF). Strong analytical, troubleshooting, documentation, and communication skills. To apply or find ...

Network Automation Engineer Specialist (telecoms/ network)

Hiring Organisation
Talent Locker
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
templates. Experience with API management (Apigee, Kong, OpenShift API Management) and API lifecycle. Background in UNIX/Linux administration and working with REST APIs, JSON, webhooks. Experience with Web Application Firewalls (WAF) (F5 ASM, AWS WAF, Azure WAF). Strong analytical, troubleshooting, documentation, and communication skills. To apply or find ...

.NET Developer

Hiring Organisation
SYSTEM C HEALTHCARE LIMITED
Location
Liverpool, Merseyside, North West, United Kingdom
Employment Type
Permanent
Salary
£35,000
/Octopus What youll bring Commercial experience in C# .NET and SQL, with API design and versioning know-how Familiarity with REST, dependency injection, JSON and git-based workflows Exposure to Azure (App Services, Functions, Service Bus, Storage, Azure SQL) Understanding of CI/CD and automated testing frameworks Experience ...

Senior Customer Deployment Specialist

Hiring Organisation
Head Resourcing
Location
Edinburgh, City of Edinburgh, United Kingdom
Employment Type
Permanent
Salary
£45000 - £65000/annum
using Docker and Docker Compose Healthcare Standards Strong knowledge of DICOM, HL7 v2, VNA, PACS, and RIS systems Web Services & APIs RESTful services, XML, JSON Cloud Infrastructure Hands-on experience with AWS, Azure, or GCP (VMs, networking, security, storage) Networking & Security Solid understanding of networking, firewalls, VPNs, and healthcare data ...

Integrations & Data Engineer

Hiring Organisation
Pilgrims Europe
Location
Exeter, Devon, South West, United Kingdom
Employment Type
Permanent
maintaining integrations between systems, including working with RESTful APIs as both data sources and destinations. Solid understanding of common data formats such as JSON, XML and CSV. Strong ability to validate, cleanse, manipulate and transform data to for quality, reliability, and accuracy. Experience developing and optimising ETL/ELT pipelines ...

Integrations & Data Engineer

Hiring Organisation
Pilgrims Europe
Location
Exeter, Devon, South West, United Kingdom
Employment Type
Permanent
maintaining integrations between systems, including working with RESTful APIs as both data sources and destinations. Solid understanding of common data formats such as JSON, XML and CSV. Strong ability to validate, cleanse, manipulate and transform data to for quality, reliability, and accuracy. Experience developing and optimising ETL/ELT pipelines ...

Senior .NET Developer ASP.NET Core / MAUI

Hiring Organisation
Partnerscale Limited
Location
Bicester, Oxfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£65,000
.NET MAUI. The role involves full lifecycle delivery including design, development, testing and deployment within an agile environment. Youll work with RESTful APIs, JSON based integrations, SQL Server and Azure SQL databases, ensuring performance, scalability and reliability. Clean architecture, SOLID principles and structured code reviews are central to the engineering ...

DevOps Engineer

Hiring Organisation
FDM Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £60,000 per annum
Code practices and implementation Strong understanding of networking, security, and system administration. Technical Skills Azure monitoring and Application Insights ARM/Bicep templates and JSON scripting PowerShell scripting Software development methodologies and practices Security best practices and risk management Technical Skills & Innovation Ability to monitor system performance, availability, and reliability ...

Quality Assurance Automation Engineer

Hiring Organisation
Retelligence
Location
City of London, London, United Kingdom
Move beyond surface-level checks; you will utilize SQL and exploratory techniques to identify root causes within high-velocity messaging streams ( FIX, Swift, XML, JSON ). Pipeline Mastery: Own the quality gate within the CI/CD lifecycle, ensuring automated triggers and data quality checks are seamless and fail-safe. ...

Software Integration Apprentice

Hiring Organisation
QA
Location
Kingsditch Trading Estate, Cheltenham, Gloucestershire, England, United Kingdom
Employment Type
Full-Time
Salary
£25,000 per annum
integration and cloud technologies, and problem-solving. Strong analytical skills and attention to detail. Basic understanding of programming or scripting (e.g., JavaScript, SQL, Python, JSON). Understanding of Microsoft Excel and interest in integration tools. Exposure to Azure Integrated Services. Basic understanding of relational and noSQL databases. Excellent communication ...

Senior Technical Consultant

Hiring Organisation
COMPUTACENTER (UK) LIMITED
Location
United Kingdom
Employment Type
Permanent
ServiceNow platform, including functionality, database structure, developer APIs, and development tools. Proficient in Web Technologies (e.g., JavaScript, SOAP/REST web services, XML & JSON). An open and friendly personality with strong customer-facing skills in both a virtual and face to face setting (including the ability to deliver presentations ...

Software Developer / C# .NET Software Engineer

Hiring Organisation
AWD online
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 per annum
experience developing systems using C# .NET, including .NET Core and Entity Framework Experience working with APIs and data formats such as REST, WebSockets, SOAP, JSON and SQL Experience operating within DevOps environments and agile delivery models Experience using source control and CI/CD tools such as GitHub Experience with ...

Mid-Senior Ruby on Rails Engineer (B2B SaaS | Hybrid | UK)

Hiring Organisation
Transreport
Location
City of London, London, United Kingdom
experience with PostgreSQL, including performance tuning and complex queries. Experience with background job processing using Sidekiq and Redis. Solid understanding of RESTful API design, JSON serialization, and authentication (e.g., JWT, SSO). Hands-on experience with AWS services and containerised deployments (Docker). Experience troubleshooting and supporting production systems. Comfortable ...

Senior Developer

Hiring Organisation
Ordnance Survey
Location
Southampton, Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£56,312 - £65,697 per annum
Entra ID RBAC, and Azure Services Solid understanding of software architecture, design patterns, and agile delivery practices Experience with geospatial data, REST APIs, JSON, and spatial engines (e.g., Apache Spark) Experience with Generative AI, including LLMs, RAG, and prompt/context engineering A passion for continuous improvement and delivering high ...

Mobile Developer

Hiring Organisation
Pathfinder
Location
Wirral, Metropolitan Borough of Wirral, Merseyside, United Kingdom
Employment Type
Permanent
Salary
£50000 - £55000/annum
5+ years in software development Expertise in .NET MAUI or Xamarin Strong C# skills and knowledge of mobile app architecture Experience with REST APIs, JSON, third-party SDKs Understanding of mobile UI/UX principles Version control and CI/CD (Azure DevOps, Git) Desirable: App deployment to Apple/ ...