1 to 25 of 43 Contract Code Quality Jobs in the UK

Java Fullstack developer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Knutsford, Cheshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£280 - £318 per day
Knowledge of web front-end development using HTML5, TypeScript and React Js 16+ or Angular 10+ Proficient in reading, writing and debugging multithreaded Java code Hands-on experience in enterprise design patterns and web architectures Experience of memory and performance profiling Pub/sub Middleware experience (e.g. Kafka … Docker Strong experience in AWS services such as Lamda, Step function and IAM Proficiency in unit testing (Junit 4/5), Karma or Jest, code quality metrics & BDD and TDD approaches. Strong knowledge of relational databases (ideally MS SQL server DB) Strong communication, problem-solving and critical ...

Software Engineer Back End Java, Spring, GCP

Hiring Organisation
PeopleWorks Consultancy Limited
Location
Basildon, Essex, South East, United Kingdom
Employment Type
Contract
Contract Rate
£500 per day Inside IR35
Spring, GCP > Architect scalable, resilient, and secure backend solutions and oversee the technical completion of critical development tasks, often in ambiguous situations. > Ensure backend code and architectural reviews are aligned with organisational goals, facilitating productive technical discussions, and making decisions to resolve complex backend engineering issues effectively. > Support … tools (e.g., Cloudbuild), including defining and optimising pipelines for backend deployments. # Proven proficiency with cloud platforms, particularly GCP, including experience with infrastructure as code and cloud-native services. # Demonstrated leadership and practical experience in architectural practices, including designing scalable, resilient, and secure backend solutions. # Customer-focused ...

Databricks SME and AWS Data Engineer

Hiring Organisation
Experis
Location
Northampton, Northamptonshire, United Kingdom
Employment Type
Contract
Contract Rate
£460 - £480/day
adept at working with large-scale datasets , S3 , Python , and data cataloguing tools . Familiarity with data engineering best practices is essential. Performance and Code Quality - candidate should demonstrate a strong commitment to building high-performance, scalable, and resilient distributed systems , with an emphasis on clean, maintainable … testable code . CI/CD Proficiency - Hands-on experience with CI/CD pipelines and tools (e.g., Jenkins, GitHub Actions, GitLab CI, etc.) for automated build, test, and deployment processes. Secure Development Practices - Awareness of secure coding standards , data protection principles, and experience working in regulated environments (especially ...

DevOps Engineer

Hiring Organisation
Sanderson Recruitment
Location
Stevenage, Hertfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
Up to £550 per day + Inside IR-35
build and operate reliable CI/CD platforms across a mix of container and VM environments. You'll focus on Jenkins-based CI, automation, code quality integration and enabling fast, stable delivery for engineering teams. Key technical skills: CI/CD engineering with Jenkins (pipelines, shared libraries … workflows, credentials management) Automation with Ansible and Infrastructure as Code using Terraform Docker or Podman, plus Kubernetes fundamentals and running CI workloads on cluster agents Git-based workflows, Jira/Confluence use, and integration with CI systems Strong Linux experience and scripting in Python, Bash or Groovy What ...

Software Engineer Java/Full Stack Contract-to-Perm London

Hiring Organisation
LMA Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
develop scalable backend services using Java (Spring Boot) and modern frontend components (Angular/React). Cloud & DevOps: Deploy and maintain secure, performant code within AWS , implementing CI/CD pipelines with a test-first mindset. Collaboration: Participate in Agile ceremonies, peer reviews, and cross-functional solution design. Engineering … Excellence: Promote code quality, security best practices, and knowledge sharing within internal tech communities. Technical Requirements Backend: Strong proficiency in Java 17+ , Spring Boot, REST APIs, and Microservices. Frontend: Experience with Angular (with an interest in React/TypeScript for future workstreams). Data: Solid SQL skills ...

Senior Java Engineer - AWS, API - (2 days on site)

Hiring Organisation
Salt Search
Location
South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £700 per day
pipelines using tools such as Jenkins, GitHub Actions, or AWS CodePipeline. Work with containerisation technologies (Docker) and orchestration platforms (ECS/EKS). Ensure code quality through unit, integration, and automated testing. Apply secure coding practices, including OAuth2/JWT authentication and general security best practices. Collaborate … with cross-functional teams to deliver high-impact features and improvements. Participate in code reviews, architectural discussions, and continuous improvement initiatives. Required Skills & Experience Strong proficiency in Java, Spring Boot, and modern backend development. Hands-on experience with AWS cloud services (Lambda, API Gateway, DynamoDB, ECS, S3, etc.). ...

Lead Software Engineer ( Python & Red Hat Enterprise Linux (RHEL) 9)

Hiring Organisation
Synergize Consulting Ltd
Location
Bristol, Somerset, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 650 Daily
development life cycle Introduce structure, engineering discipline, and best practice across development teams Oversee the design, development, and optimisation of Python-based applications Ensure code quality through reviews, standards, and mentoring developers Support the transition of development solutions into secure production environments Ensure applications are hardened … Docker or Kubernetes Exposure to cloud environments (AWS, Azure or similar) within secure settings Experience implementing automated testing frameworks Understanding of Infrastructure as Code (IaC) Personal Attributes Strong technical leadership and mentoring capability Methodical and structured approach to engineering delivery Security-first mindset when designing and delivering solutions Excellent ...

Senior Full Stack Engineer FX e Trading London

Hiring Organisation
Atrium Global
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £750 to £900 per day
endfrom UI and desktop container experiences to low-latency backend services. Lean into the latest AI coding tools to accelerate delivery, strengthen code quality, and enhance developer experience. 4 days onsite in London. PAYE/Umbrella options. Lead design and development of full-stack features: React/… trading workflows. Optimize latency, throughput, and reliability across the stack; instrument observability (metrics, tracing, logging) and performance profiling. Establish engineering best practices: code standards, testing strategies (unit/integration/E2E), CI/CD, secure coding, and release management. Mentor engineers through code reviews, design sessions, and hands ...

BY WMS Sr. Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £475 to £500 per day
deliver defect fixes in a timely manner, ensuring minimal business disruption. Create and execute detailed test plans, thoroughly document results, and ensure high-quality software delivery. Contribute actively to project ceremonies, including daily stand-ups, cross-functional discussions, and design reviews. Provide regular progress updates to lead engineers ...

BY WMS Sr. Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £475 to £500 per day
deliver defect fixes in a timely manner, ensuring minimal business disruption. Create and execute detailed test plans, thoroughly document results, and ensure high-quality software delivery. Contribute actively to project ceremonies, including daily stand-ups, cross-functional discussions, and design reviews. Provide regular progress updates to lead engineers ...

BY WMS Sr. Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £475 to £500 per day
deliver defect fixes in a timely manner, ensuring minimal business disruption. Create and execute detailed test plans, thoroughly document results, and ensure high-quality software delivery. Contribute actively to project ceremonies, including daily stand-ups, cross-functional discussions, and design reviews. Provide regular progress updates to lead engineers ...

BY WMS Sr. Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £475 to £500 per day
deliver defect fixes in a timely manner, ensuring minimal business disruption. Create and execute detailed test plans, thoroughly document results, and ensure high-quality software delivery. Contribute actively to project ceremonies, including daily stand-ups, cross-functional discussions, and design reviews. Provide regular progress updates to lead engineers ...

Lead Data Engineer

Hiring Organisation
Stealth IT Consulting Limited
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
From £400 to £445 per day Inside IR35
semi-structured, and unstructured data across SQL and NoSQL technologies Develop solutions using Hadoop, Spark, and Splunk in large-scale environments Write maintainable Python code, applying object-oriented and functional programming principles Implement and maintain CI/CD pipelines, automated testing, and version control Collaborate with BI, Analytics … downstream teams to support reporting and insights Pair program and mentor other engineers to promote knowledge sharing and code quality Define and maintain technical test plans including unit and integration tests Promote SRE principles to ensure service resilience, sustainability, and recoverability Essential Skills & Experience Proven experience ...

Tech Lead - Data Analytics & Data Engineering (AWS) - SC+NPPV3

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600 per day
using S3, AWS Glue, and Redshift Owning data architecture decisions, including data modelling, partitioning strategies, and performance optimisation Defining and enforcing engineering standards across code quality, testing, CI/CD, IaC, and observability Building and optimising ELT/ETL pipelines using Glue (PySpark) , Lambda, Step Functions … patterns Championing security-by-design in collaboration with security and assurance teams (IAM, KMS, encryption, auditability) Implementing CI/CD pipelines and Infrastructure as Code using Terraform or CloudFormation About You Essential experience: Active SC and NPPV3 clearance (both required) Proven experience as a Tech Lead or Lead Data ...

C# Developer

Hiring Organisation
VIQU IT
Location
London, City of London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £650/day
platform improvements Contribute to DevOps processes including CI/CD pipeline support and automation Participate in technical discovery and solution design discussions Continuously improve code quality, performance, and security standards The C# Developer is required to be onsite, 2 days a week in Central London. Apply ...

C# Developer

Hiring Organisation
VIQU IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £650 per day
platform improvements Contribute to DevOps processes including CI/CD pipeline support and automation Participate in technical discovery and solution design discussions Continuously improve code quality, performance, and security standards The C# Developer is required to be onsite, 2 days a week in Central London. Apply ...

Java Software Engineer

Hiring Organisation
Anson Mccade
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £600 per day
cyber programme operating within complex, high-security environments. This role offers the opportunity to work on critical backend services, improving automated testing and code quality within an established engineering team. The position is hybrid , with 2 days per week onsite in either Leeds or Croydon , and offers … improving test coverage and quality within backend services Knowledge of modern testing tools such as TestContainers or similar Ability to refactor production code to improve testability Experience working in collaborative engineering teams Strong ability to interpret and challenge functional and non-functional requirements Experience estimating work ...

C++ Software Engineer

Hiring Organisation
Defence
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Contract
focusing on the development of high-quality software products and innovating within a crucial defence project. Key Responsibilities: Design, build, and maintain code using industry best practices and contributing to estimation activities. Contribute to the completion of product roadmap features, adding significant value to the programme … success. Conduct first-line peer reviews and offer guidance for improvements. Continuously enhance practices and code quality within the team. Provide technical direction during product design and development phases. Develop new product functionalities and produce test artefacts such as unit tests and integration tests. Job Requirements: Proficiency ...

CGEMJP Lead Data Engineer

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
City, Sheffield, United Kingdom
Employment Type
Contract
Contract Rate
GBP 430 Daily
Capable of driving the creation of technical test plans and maintaining records, including unit and integration tests, within automated test environments to ensure high code quality. Promote SRE (Site Reliability Engineering) culture by addressing challenges through data engineering. Ensure service resilience, sustainability, and adherence to recovery time objectives ...

CGEMJP00330718 Lead Data Engineer

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£430/day inside ir35
Capable of driving the creation of technical test plans and maintaining records, including unit and integration tests, within automated test environments to ensure high code quality. Promote SRE (Site Reliability Engineering) culture by addressing challenges through data engineering. Ensure service resilience, sustainability, and adherence to recovery time objectives ...

Lead Data Engineering Consultant CGEMJP

Hiring Organisation
Experis
Location
City, Sheffield, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Capable of driving the creation of technical test plans and maintaining records, including unit and integration tests, within automated test environments to ensure high code quality. Promote SRE (Site Reliability Engineering) culture by addressing challenges through data engineering. Ensure service resilience, sustainability, and adherence to recovery time objectives ...

Lead Data Engineering Consultant CGEMJP00330718

Hiring Organisation
Experis
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Capable of driving the creation of technical test plans and maintaining records, including unit and integration tests, within automated test environments to ensure high code quality. Promote SRE (Site Reliability Engineering) culture by addressing challenges through data engineering. Ensure service resilience, sustainability, and adherence to recovery time objectives ...

iOS Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £400 to £450 per day
experience. Ensure the performance, quality, and responsiveness of applications Collaborate with a team to define, design and implement app features Participate in code reviews, providing and receiving constructive feedback to enhance the overall codebase quality. Helps in Maintain code quality, integrity and organization while … implementing design patterns and architectural principles. Conduct thorough testing and debugging to ensure the applications meet high-quality standards Troubleshoot and correct bottlenecks and fix bugs related to app performance, functionality, and integration Stay up to date with the latest iOS technologies, trends, and best practices Your Profile ...

Senior Quantitative Developer

Hiring Organisation
Vallum Associates Limited
Location
London, United Kingdom
Employment Type
Contract
Collaborate with quants, traders, and technology teams to productionise research Troubleshoot complex production issues and drive continuous performance improvements Adhere to best practices for code quality, testing, and version control using Git Required Skills & Experience Expert-level development experience in C and/or C++ Strong hands ...

Lead Data Engineer

Hiring Organisation
Vallum Associates Limited
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Capable of driving the creation of technical test plans and maintaining records, including unit and integration tests, within automated test environments to ensure high code quality. Promote SRE (Site Reliability Engineering) culture by addressing challenges through data engineering. Ensure service resilience, sustainability, and adherence to recovery time objectives ...