1 to 25 of 37 Contract Unit Testing Jobs in the UK excluding London

Software Engineers iOS, Android or Java expertise

Hiring Organisation
Morgan McKinley
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £500 per day
build scalable applications, troubleshoot production issues and contribute to architecture and engineering best practices. iOS Engineer: Skills Required: Swift, SwiftUI, XCTest, REST APIs, Unit Testing, Modularisation Good to have: Objective-C, UIKit, MVVM, Tuist, Fastlane, Gitlab CI, UI Testing Experience: Modularised architectures, multi-module codebases, collaboration with … product/test/UX teams Android Engineer: Skills Required: Kotlin, Jetpack Compose, MVVM, REST APIs, Unit Testing, Modularisation Good to have: Java, Coroutines/Flow, Retrofit, OKHttp, Gitlab CI, UI Testing, Snapshot Testing Experience: Modularised architectures, multi-module codebases, data-driven decision-making, stakeholder collaboration

Senior .NET Developer

Hiring Organisation
KBC Technologies UK LTD
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £450 per day
/CD pipelines (mandatory). Integrate code quality tools such as SonarQube into CI/CD workflows. Apply Test-Driven 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 … queries, stored procedures, performance tuning) DevOps & CI/CD (Mandatory) GitLab (must have) CI/CD Pipeline creation and maintenance DevOps practices & automation SonarQube Unit testing frameworks Test-Driven Development (TDD) Good-to-Have Skills Cloud Platforms AWS Azure

Java Software Engineer

Hiring Organisation
Morson Edge
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£0 - 55 per hour + Inside IR35
using the latest cloud-based technologies. The engineer will be involved in every stage of the software development lifecycle, from initial design through development, testing, and deployment, delivering robust, scalable cloud-based services. The role is based at our clients office in Newcastle. Flexible working arrangements are in place … related technologies, meeting requirements and coding standards. • Develop reusable patterns and encourage innovation that will enhance team velocity. • Contribute to quality assurance by writing unit and automated tests. • Conduct design and code reviews to ensure code developed meets coding best practices guidelines, unit testing, security, and scalability

Cloud DevOps Engineer

Hiring Organisation
Additional Resources Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £600 per day
manage routing protocols such as BGP and OSPF, with a focus on high-availability designs. Ensure adherence to software engineering best practices, including unit testing, code reviews, and troubleshooting. Support infrastructure-as-code practices using tools like Terraform, Pulumi, and GitOps principles. Contribute to an Agile development environment … OSPF) and high-availability architecture. Hands-on experience with Infrastructure-as-Code tools (e.g., Terraform, Pulumi) and GitOps methodologies. Expertise in software engineering practices: unit testing, code reviews, documentation, debugging, and troubleshooting. Comprehensive understanding of technology stacks, from networks to applications. Solid understanding of Linux environments and Open

Python Developer

Hiring Organisation
Pontoon
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£650 - £750 per day
design quality, ensuring the system is maintainable, extensible, robust, and scalable. Contribute to and adhere to established Agile development and QA processes, including automated unit and integration testing. Provide support during escalated production issues, addressing functionality and technical queries from users and teams across global locations. Collaborate with developers … project managers in supporting testing and User Acceptance Testing (UAT) phases for integration projects, including running reports, tracking issues, and reporting progress. Skills & Experience: Proven experience in enterprise development using Python. Comprehensive understanding of the full software development lifecycle. Familiarity with Agile practices, including unit testing

Net software engineer

Hiring Organisation
Brio Digital
Location
Leeds, West Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£500/day
with Microsoft Azure (App Services, Azure Functions, Azure DevOps, etc.) Exposure to healthcare, NHS, or data integration environments Understanding of RESTful APIs , microservices , and unit testing Experience with Git , Azure DevOps Pipelines , and agile delivery practices Strong problem-solving and communication skills Nice-to-Have Knowledge

Senior Java Developer

Hiring Organisation
TXP Technology x People
Location
Telford, Shropshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£0 per annum
Collaborate within Agile Scrum teams to deliver high-quality software solutions Write clean, maintainable code following best practices in secure development Support continuous integration, testing, and deployment activities Essential Skills & Experience Strong hands-on experience with Java and Spring Boot Solid understanding of REST API development and JSON Proficiency … JUnit for unit testing Experience deploying microservices using Kubernetes Proven background working in complex technical environments , ideally from regulated sectors such as Banking, Finance, Insurance, Utilities, or Telecommunications Desirable/Nice-to-Have Skills JPA/Hibernate Maven Mockito Kibana AWS GitLab (CI/CD) Helm OpenAPI

Front End Developer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £550 per day
Experience implementing web analytics (e.g., Adobe Analytics) Strong engineering principles for SPAs and best practices for TypeScript Expertise in state management and routing Unit testing/TDD using Jest or Vitest Proficiency with Git, GitLab, merge requests, and code reviews Experience with NPM Workspaces, pre-commit hooks

Front End Developer

Hiring Organisation
Hays Technology
Location
Edinburgh, Marchmont, City of Edinburgh, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £550/day
Experience implementing web analytics (e.g., Adobe Analytics) Strong engineering principles for SPAs and best practices for TypeScript Expertise in state management and routing Unit testing/TDD using Jest or Vitest Proficiency with Git, GitLab, merge requests, and code reviews Experience with NPM Workspaces, pre-commit hooks

Senior Finance Systems Analyst

Hiring Organisation
Goodman Masson
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£300 - £350 per day
between core finance systems. Contribute to reporting system upgrades and enhancements across analytics and business intelligence tools. Develop and execute system test plans, including unit testing and user acceptance testing (UAT). Provide end-user support, training, and process documentation for finance system users. Troubleshoot system issues

Embedded C / C++ Software Engineer

Hiring Organisation
Certain Advantage
Location
Stevenage, Hertfordshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£70.00 per hour, Inc benefits
board software for the next generation of Missile Systems. This is a hands-on role and will involve architecting, designing, implementing and testing missile subsystem software to required standards and processes. Minimal: (Good) Authoring Specifications through the full lifecycle: planning, design and test documents. Experience of working with formal … DO178C Level B or SIL-4 or equivalent standards. Specification & requirements creation and compliance recording in DOORS. Working knowledge of C/C++ for testing special builds and focussed code reviews. Unit Testing using LDRA, RAPITA or equivalent testing tool. Understanding of Code Coverage and techniques

Embedded C / C++ Software Engineer

Hiring Organisation
Certain Advantage
Location
Stevenage, Hertfordshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£70 per hour, Benefits Overtime Rate
board software for the next generation of Missile Systems. This is a hands-on role and will involve architecting, designing, implementing and testing missile subsystem software to required standards and processes. Minimal: (Good) Authoring Specifications through the full lifecycle: planning, design and test documents. Experience of working with formal … DO178C Level B or SIL-4 or equivalent standards. Specification & requirements creation and compliance recording in DOORS. Working knowledge of C/C++ for testing special builds and focussed code reviews. Unit Testing using LDRA, RAPITA or equivalent testing tool. Understanding of Code Coverage and techniques

Front End Developer - ReactJS, Redux, Typescript

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£545 - £548 per day
implementing analytics in a web front end using tools such as Adobe Analytics. Strong understanding of state management principles and routing strategies. Proficient in unit testing and Test-Driven Development using Jest or Vitest. Skilled in Git, GitLab workflows, and managing merge requests. Experienced with NPM Workspaces

Integration Developer - Azure, Logic/Function Apps, API, SQL, C

Hiring Organisation
Informed Recruitment
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £500/day
transformation team. Your day-to-day responsibilities will include the analysis of business requirements, development of functional specifications, the configuration and development of code; unit testing; documentation; ensuring all system developments follow the overarching design; quality assurance and code reviews; and documentation. Must Have Strong and successful track … software/technical delivery approaches such as Waterfall, Agile, Scrum, DevOps, etc Experience in analysing requirements, system design documentation, developing objects/code, units testing, and deployment. Nice to Have ADF/Azure Data Factory Power Platform ERP Solutions such as MS Dynamics or Oracle Cloud SQL Server

Integration Developer - Azure, Logic/Function Apps, API, SQL, C#

Hiring Organisation
Informed Recruitment Limited
Location
Manchester, North West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£400 - £500 per day
transformation team. Your day-to-day responsibilities will include the analysis of business requirements, development of functional specifications, the configuration and development of code; unit testing; documentation; ensuring all system developments follow the overarching design; quality assurance and code reviews; and documentation. Must Have Strong and successful track … software/technical delivery approaches such as Waterfall, Agile, Scrum, DevOps, etc Experience in analysing requirements, system design documentation, developing objects/code, units testing, and deployment. Nice to Have ADF/Azure Data Factory Power Platform ERP Solutions such as MS Dynamics or Oracle Cloud SQL Server

Integration Developer - Azure, Logic/Function Apps, API, SQL, C#

Hiring Organisation
Informed Recruitment LTD
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £500 per day
transformation team. Your day-to-day responsibilities will include the analysis of business requirements, development of functional specifications, the configuration and development of code; unit testing; documentation; ensuring all system developments follow the overarching design; quality assurance and code reviews; and documentation. Must Have Strong and successful track … software/technical delivery approaches such as Waterfall, Agile, Scrum, DevOps, etc Experience in analysing requirements, system design documentation, developing objects/code, units testing, and deployment. Nice to Have ADF/Azure Data Factory Power Platform ERP Solutions such as MS Dynamics or Oracle Cloud SQL Server

Data Engineer Python

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £450 per day
About the RoleWe are looking for a Python Data Engineer with strong hands-on experience in Behave-based unit testing, PySpark development, Delta Lake optimisation, and Azure cloud services. This role focusses on designing and deploying scalable data processing solutions in a containerised environment, emphasising maintainable, configurable … test-driven code delivery.Key Responsibilities Develop and maintain data ingestion, transformation, and validation pipelines using Python and PySpark. Implement unit and behavior-driven testing with Behave, ensuring robust mocking and patching of dependencies. Design and maintain Delta Lake tables for optimised query performance, ACID compliance, and incremental data

Java Technical Lead - Inside IR35

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom
Employment Type
Contractor
Contract Rate
£525 - £550 per day
exercises)Inside IR35Essential technical skills: Java/Spring NodeJS/Express/NextJS CI/CD pipelines (Gitlab CI) Mongo NoSQL databases TDD + Unit testing AWS Cloud Technologies (SQS/SNS/ECS/Lambda/KMS) Apache Kafka Docker/Containerization Git IaC (Terraform) Essential behavioural

Senior Python Backend Developer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£750 - £800 per day
Basic qualifications: Extensive experience conducting Bankend Development using Python. Concurrency and Asyn exp Demonstrated experience using FastAPI Cloud Experience - GCP Essential SQL Docker Containerization Unit testing experience - TDD or Test Suit ML or AI experience would be desriable. Experience within Life Sceiences or Pharma Sector

C# Software Engineer

Hiring Organisation
Meritus
Location
Stevenage, Hertfordshire, United Kingdom
Employment Type
Contract
Contract Rate
£60 - £65/hour INSIDE IR35
synergy to develop simulations and representations of real equipment. Our approach to software development includes Configuration control Continuous Integration Continuous Delivery or Deployment. Unit testing and test driven development. Skillset/experience required: Proficient in C#/C++ Microsoft Visual Studio, Eclipse, Ability to work from high level

C# / C++ Software Engineer

Hiring Organisation
Certain Advantage
Location
Stevenage, Hertfordshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£65 per hour, Benefits Overtime Rate
synergy to develop simulations and representations of real equipment. Our approach to software development includes Configuration control Continuous Integration Continuous Delivery or Deployment. Unit testing and test driven development. Skillset/experience required: Proficient in C#/C++ Microsoft Visual Studio, Eclipse, Ability to work from high level

Developer - C# / HTML / .NET - Edin / Glasgow - Outside IR35

Hiring Organisation
Lorien
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £460 per day
designing and working with complex relational databases in Microsoft SQL Server Experience of source control management systems and tools such as Git Experienced in unit testing frameworks such as nUnit or Visual Studio Test Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business

Python Engineer - Leeds / Canary UK (Hybrid 3days work from office)*

Hiring Organisation
KBC Technologies UK LTD
Location
Leeds, West Yorkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Data cleaning & preprocessing Handling missing values Grouping, merging, pivoting & aggregations SQL knowledge Software Engineering Best Practices Version control using Git Writing modular & reusable code Unit testing (e.g., pytest) Code documentation & proper docstrings Using linters & formatters Plotly Dash Creating dashboards using Dash Callbacks Layouts (HTML & CSS integration) Components: dropdowns

C# Software Engineer

Hiring Organisation
Matchtech
Location
Stevenage, Hertfordshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 65 Hourly
development team to develop simulations and representations of real equipment. Implementing software development approaches, including configuration control, continuous integration, continuous delivery/deployment, and unit testing. Job Requirements: Proficiency in C# and C++. Experience with Microsoft Visual Studio and Eclipse. Ability to work from a high-level/system

Contract Java Software Engineer

Hiring Organisation
Computer Futures
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £500 per day
Java Software Engineer to build scalable backend systems and delivering high-quality solutions for a client. Must-Have Skills Java Spring Boot REST APIs Unit Testing Nice-to-Have Clean Architecture, Dependency Injection, TDD Kubernetes, GitLab CI, Coroutines, Grafana About the Role As a Software Engineer … across teams, and contribute to architectural decisions. Key Responsibilities Build and maintain software applications using best practices and design patterns Ensure code quality through testing and refactoring Own services end-to-end, monitor performance, and manage deployments Resolve production issues and improve system reliability Provide architectural guidance and design