15 of 15 Contract RESTful Jobs in the South East

Senior Full Stack Engineer

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £700 per day
Backend architecture &APIs (primary focus) Design and evolve scalable backend services in Python using FastAPI for high-availability, high-throughput workloads. Build well-versioned RESTful APIs aligned to OpenAPI/Swagger, with strong conventions for consistency, idempotency, and backward compatibility. Implement authentication and authorization using OAuth2/OIDC, session management ...

Full-Stack Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £550 to £600 per day
efficient data management, including blob storage, queues, and tables. Use Azure SQL Database or other database services for data storage and management. Build RESTful APIs and implement API management and security using Azure API Management or similar tools. Performance Optimization and Monitoring: Identify performance bottlenecks and optimize application performance using ...

Full Stack Developer - SC Cleared

Hiring Organisation
Run-Time Group Ltd
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
/React) Developer Clearance - SC Remote Full Stack .NET developer - Visual studio 2022, .Net core 8, C#, Entity Framework 8, React, Typescript, Material -UI, Restful API's, SQL Server, Web UI and CSS, Unit Testing and Azure Repos; Any existing experience with Azure including web/SQL deployment, disaster recovery ...

Senior Developer

Hiring Organisation
SUMMER-BROWNING ASSOCIATES LIMITED
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
Up to £0.00 per day + Excellent Day Rates
applications utilising Python. Experience in designing scalable backend services using Golang. Expertise in constructing enterprise-grade applications using C#/.NET. Competence in building RESTful APIs and managing microservices-based architectures. Strong familiarity with Git-based version control systems and CI/CD pipelines. Comprehensive understanding of Agile methodologies ...

Java Developer - SC Cleared

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£50 - £60/hour
closely with engineers, architects and stakeholders to ship real-world systems Essential Skills & Experience Java Core (8+) Spring Boot/Spring Framework with Hibernate RESTful web services over HTTPS Microservices architecture Distributed systems Software design patterns Agile development methodologies (Scrum) CI/CD pipelines Git source control Jira or similar ...

Software Engineer - Java

Hiring Organisation
Empresaria UK Ltd
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Contract
with integrity at all times Required Skills & Experience Strong experience with Java (8+) Spring Boot/Spring Framework, including development with Hibernate Experience building RESTful APIs over HTTPS Hands-on experience with microservice architectures Understanding of distributed systems Knowledge and practical use of software design patterns Experience working in Agile ...

Software Developer

Hiring Organisation
Belcan
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£55/hour
with integrity at all times Required Skills & Experience Proficiency in Java (version 8+) Strong knowledge of Spring Boot, Spring Framework, and Hibernate Experience developing RESTful services over HTTPS Handson experience with microservice architectures and distributed systems Solid understanding of software design patterns Familiarity with Agile development processes Experience with ...

Java Software Developer

Hiring Organisation
Line Up Aviation
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£55/hour
knowledge of Developing in Spring with Hibernate Good Knowledge of developing REST within HTTPS Experience of developing within a microservice architecture Web Services using RESTful APIs Distributed systems Knowledge and use of software design patterns Agile Development Processes CI/CD delivery techniques Source code management ...

Java Developer-Golang

Hiring Organisation
Qualient Technology Solutions UK Limited
Location
Burgess Hill, West Sussex, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £400/day
Responsibilities Design, develop, and maintain backend services using Java and Golang Write clean, efficient, and well-documented code following best practices Build and consume RESTful APIs and microservices Collaborate with product managers, architects, and frontend developers Participate in code reviews and contribute to technical design discussions Optimize application performance, scalability ...

AI Engineer

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Unspecified Day Rate Negotiable depending on experience. Outside IR35.
Argo CD. Preferred/Bonus Research experience in edge AI or constrained/offline deployments. MLOps experience (Sagemaker, Kubeflow, ZenML). Experience building RESTful services around AI pipelines. ISO 27001, NIST SSDF, OWASP SAMM, or GDPR compliance literacy. Experience with AWS Karpenter, Prometheus, or similar observability stacks. Soft Skills Research ...

Salesforce &/ React Native Developer

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
Inside IR35) Sector: Banking Key Skills & Experience Salesforce +5 years experience AND/OR React Native (Web) +5 years Java +5 years TDD, BDD RESTful API design & build OAS/YAML Unit Testing GitLab CI/CD Pipelines Agile practitioner, SonarQube, Veracode, Jira, Confluence Banking/Financial services background ideally ...

Open Banking Solution Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £550 to £600 per day
payment initiation flows and integration with core banking and payments execution platforms. API, Security, and Standards Strong experience designing secure, scalable APIs using RESTful principles. Deep understanding of OAuth 2.0, OpenID Connect, mutual TLS, certificates, token management, and consent-driven access control. Experience interpreting and applying standards such as OpenAPI ...

Full Stack Developer - SC Cleared

Hiring Organisation
Run-Time Group Ltd
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract, Work From Home
/React) Developer Clearance - SC Remote Full Stack .NET developer - Visual studio 2022, .Net core 8, C#, Entity Framework 8, React, Typescript, Material -UI, Restful API's, SQL Server, Web UI and CSS, Unit Testing and Azure Repos; Any existing experience with Azure including web/SQL deployment, disaster recovery … sign-on technologies would be useful Both back and front end development will be required. Back end requires: C#, .Net Framework 8.0 (or newer), Restful APIs, LINQ, Visual Studio, Azure DevOps, IIS, SQL Server, including T-SQL, Schema Design, Performance Tuning. Front end requires: React (JavaScript Framework), CSS, JSON, Swagger ...

GIS Integration Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
Reading, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 550 Daily
days a week The Role Define the integration reference architecture for ArcGIS Enterprise (Portal, ArcGIS Server, Data Store) Select and govern integration patterns (RESTful APIs, webhooks, event-driven) based on business and click apply for full job details ...

GIS Integration Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £550 per day
days a week The Role Define the integration reference architecture for ArcGIS Enterprise (Portal, ArcGIS Server, Data Store) Select and govern integration patterns (RESTful APIs, webhooks, event-driven) based on business and non-functional requirements (NFRs) Establish governance and standards for service design, versioning and API lifecycle Your Responsibilities Systems … experience with Esri ArcGIS platform (ArcGIS Enterprise, ArcGIS Online, ArcGIS Pro) Understanding with Utility Network Model (UNM) and advanced GIS workflows Govern integration patterns (RESTful APIs, webhooks, event-driven) based on business and non-functional requirements (NFRs) Knowledge of geodatabase design, SQL, and spatial analysis Familiarity with cloud GIS deployments ...