1 to 25 of 33 Contract Code Quality Jobs in England

Salesforce Lead Developer

Hiring Organisation
Cpl Life Sciences
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£350 - £390 per day
team delivering enhancements to a Salesforce org used by both internal and external users. This role combines senior-level development capability with technical governance, code quality ownership, and delivery leadership. The successful candidate will lead by example: designing, building, reviewing, and deploying Salesforce solutions while ensuring alignment … development across Apex, Lightning Web Components, configuration, and integrations where required. Conduct Proofs of Concept (POCs) to validate technical approaches and de-risk delivery. Code Quality & Standards Own code quality across the team, ensuring adherence to Salesforce best practices and FCA development standards. Review ...

Salesforce DevOps Engineer

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Contract
GitHub) Oversee environment management, including sandbox strategy, data seeding, and deployment sequencing Implement automation for deployments, testing, and validation using Copado and SFDX Enforce code quality, governance, and security standards within the release process Troubleshoot deployment issues and ensure smooth, stable releases Promote best practices in version … metadata, environment management , and multi-org deployments Familiarity with SFDX, automation tools , and integrating testing into CI/CD pipelines Understanding of Apex testing, code coverage, and deployment validation Knowledge of code quality, security checks, and release governance Strong problem-solving skills with the ability ...

Senior Python Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £540 per day
Vue.js) and ensure a seamless user experience. Develop robust and efficient back-end services and APIs using Python. Python Development: Develop and maintain Python code for data processing, API development, and integration with the Azure Databricks environment. Utilise relevant Python libraries and frameworks (e.g., Flask, Django, Pandas, NumPy). … into web applications or other platforms Work on data interfaces to connect various systems within the bank. Write unit and integration tests to ensure code quality and reliability. .NET Development (Optional): Develop and maintain .NET code for back-end services, APIs, and integrations with other systems. ...

DevOps Engineer

Hiring Organisation
Sanderson
Location
Reading, Berkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 per day
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 ...

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 ...

Tech Lead - Java and React

Hiring Organisation
Develop
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£650 - £850 per day
delivery performance, and play a key role in a business-critical international rollout. You'll be leading a nearshore engineering team, driving improvements in code quality, delivery velocity, and engineering standards while working closely with senior stakeholders across global teams. This isn't a passive leadership role … need someone who can lead from the front, get into the code, and make an immediate difference. What You'll Be Doing Leading and mentoring a nearshore development team Driving engineering best practices and code quality Improving team performance and delivery pace Collaborating with global product ...

React Developer

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
client-state and server-state patterns including loading/error states, retries, resilience, caching and invalidation Performance engineering: Drive render efficiency, bundle size control, code splitting, virtualisation for large datasets, network efficiency, and instrumentation/observability API contract collaboration: Work with backend engineers on predictable API contracts … ARIA where appropriate, and strong empty/error states for complex UIs Quality discipline: Maintain a strong quality bar through code review, automated tests, CI quality gates, and release readiness Delivery pipelines: Contribute practically to build tooling, CI checks, deployment considerations and environment ...

Senior Java Engineer (AWS, REST, SOAP) - Hybrid - Sussex

Hiring Organisation
Salt Search
Location
London, 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.). ...

Senior Software Developer

Hiring Organisation
Tec Partners
Location
Ipswich, Suffolk, United Kingdom
Employment Type
Contract
Contract Rate
GBP 425 - 475 Daily
/.NET (Framework & Core) TypeScript, HTML, CSS + React or Vue Solid AWS experience (serverless/Lambda ideal) CI/CD pipelines & Infrastructure as Code (Terraform/CDK) Strong focus on clean architecture, SOLID principles & code quality API integrations & secure coding (OWASP) The role: Full lifecycle … development in a modern tech environment Collaborating with product, QA, and engineering leads Code reviews, mentorship, and technical leadership Supporting live systems & continuous improvement Nice to have: TDD/BDD, PCI/ISO knowledge, VoIP, Python/AI exposure Hybrid working with occasional travel to London or Ipswich (roughly ...

Senior Developer

Hiring Organisation
Tiro Partners
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
demonstrate what's possible when AI is deeply integrated throughout the software development lifecycle, working with the latest AI technologies including Claude Code, GitHub Copilot, MCP, LLMs. Senior Software Engineer will: Develop and maintain software applications using Java Implement AI solutions to enhance software functionality and accelerate development workflows … Collaborate with cross-functional teams to define, design, and ship new features Leverage AI technologies throughout the development lifecycle Participate in code reviews and maintain code quality standards Modernise legacy services using AI-first approaches The ideal experience: 6+ years of experience in software development Strong ...

Senior Developer

Hiring Organisation
Tiro Partners Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
demonstrate what's possible when AI is deeply integrated throughout the software development lifecycle, working with the latest AI technologies including Claude Code, GitHub Copilot, MCP, LLMs. Senior Software Engineer will: Develop and maintain software applications using Java Implement AI solutions to enhance software functionality and accelerate development workflows … Collaborate with cross-functional teams to define, design, and ship new features Leverage AI technologies throughout the development lifecycle Participate in code reviews and maintain code quality standards Modernise legacy services using AI-first approaches The ideal experience: 6+ years of experience in software development Strong ...

Java Developer

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£600 - £700 per day
architectures Working with large and complex datasets, ensuring performance and efficiency Contributing to system design, including microservices and event-driven architectures Writing clean, maintainable code aligned to best engineering practices Applying Test-Driven Development (TDD) and ensuring code quality Identifying and resolving performance bottlenecks Required Experience ...

Java Developer

Hiring Organisation
McGregor Boyall
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £700 per day
architectures Working with large and complex datasets, ensuring performance and efficiency Contributing to system design, including microservices and event-driven architectures Writing clean, maintainable code aligned to best engineering practices Applying Test-Driven Development (TDD) and ensuring code quality Identifying and resolving performance bottlenecks Required Experience ...

Senior Full Stack Developer

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £600 per day
C# Frontend development with TypeScript and React Working within Azure (Functions, Azure SQL, Service Bus, ADF) Contributing to architecture discussions, technical design, and code reviews Applying pragmatic AI-assisted/agentic engineering practices to improve delivery quality and velocity Supporting development of financial modelling platforms, including areas … simulation engines, forecasting tools, or financial projection systems Comfortable owning features end-to-end and making sensible technical trade-offs High standards around code quality, testing, and maintainability Experience working in regulated or accuracy-critical environments Contract details Up to £600 per day Outside IR35 Fully remote ...

Python Risk Developer - Contract - Shell Scripting, Pandas, Polars, AWS, SQL, indices

Hiring Organisation
Scope AT Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
analytics frameworks using Python Build and optimize data pipelines for large-scale financial data processing Architect and deploy microservices on AWS cloud infrastructure Ensure code quality through testing, version control, and documentation Participate in code reviews and technical design discussions Required Qualifications Strong proficiency in data ...

Python Developer - SC Cleared - Onsite

Hiring Organisation
Network IT
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Contract
Contract Rate
£540 - £550/day
Network IT is currently recruiting for a Python Developer to design, develop, test, and maintain high-quality software solutions for our client in Milton Keynes. In this role, you will focus on building scalable, efficient, and maintainable applications while collaborating closely with cross-functional teams to deliver impactful … Develop, enhance, and maintain Python-based applications and services Background with Golang and C#/.Net skills Write clean, efficient, reusable, and well-documented code Participate in the full software development lifecycle, from requirements gathering to deployment and support Ensure code quality through unit testing, code ...

Developer Experience (DevEx) Engineer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
reliability and simplicity Identifying engineering pain points and automating manual processes Improving developer documentation, onboarding guides and internal wikis Championing best practices in testing, code quality and deployment Monitoring build times, test reliability and other developer feedback loops Supporting internal development and test environments Promoting a developer … collaboration skills Experience improving developer workflows or engineering processes Nice to have: Experience with developer portals or internal platforms Observability tooling knowledge Infrastructure-as-Code experience Experience improving DX in monorepos or microservices environments Why join? Shape engineering excellence across the organisation Drive real improvements to developer speed, quality ...

Senior KDB+ Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
improvement through refactoring, performance benchmarking, and adoption of best practices. Mentor and guide junior and mid-level developers, fostering a culture of technical excellence, code quality, and knowledge sharing. Participate in design reviews, production support, and root cause analysis of complex system issues. Work collaboratively within … process communication mechanisms in kdb+ and integration with external systems. Experience tuning kdb+ systems for low latency and high availability. Familiarity with data quality checks, validation frameworks, and operational resilience patterns. Exposure to financial markets data (e.g., market data, trading, risk, or post-trade workflows, equity asset class ...

Senior Software Test Engineer

Hiring Organisation
Select Engineering
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£55 - £57/hour
experience developing and testing bespoke built enterprise scale cloud-native applications 5+ years experience with Java, Python or another OO language Experience with software quality tools such as SonarQube Experience with relational database technologies such as MySQL or similar Experienced advocate for practices such as Test Driven Development … Pair Programming Experience with Microservices architectures, RESTful APIs and message queues Strong programming skills Experience with source code management and version control (Git/GitHub/GitLab) Experience with modern CI/CD tools and techniques Previous involvement in all stages of the software delivery lifecycle Passion for mentoring ...

Scala Developer - Newcastle/Remote

Hiring Organisation
Lucid Support Services Ltd
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
Back End applications using Scala. Collaborate with cross-functional teams to design, develop, and test applications meeting business requirements. Ensure best practices in code quality, testing, and deployment throughout the development life cycle. Participate in architectural discussions and contribute to technical decisions. Conduct code reviews ...

Workday Specialist CGEMJP

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
leadership capabilities Accountabilities Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools. Ensuring that code is scalable, maintainable, and optimized for performance. Cross-functional collaboration with product managers, designers, and other engineers to define software requirements, devise solution strategies … ensure seamless integration and alignment with business objectives. Collaboration with peers, participate in code reviews, and promote a culture of code quality and knowledge sharing. Stay informed of industry technology trends and innovations and actively contribute to the organization's technology communities to foster a culture ...

Workday Specialist CGEMJP00336300

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
leadership capabilities Accountabilities Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools. Ensuring that code is scalable, maintainable, and optimized for performance. Cross-functional collaboration with product managers, designers, and other engineers to define software requirements, devise solution strategies … ensure seamless integration and alignment with business objectives. Collaboration with peers, participate in code reviews, and promote a culture of code quality and knowledge sharing. Stay informed of industry technology trends and innovations and actively contribute to the organization's technology communities to foster a culture ...

Software developer

Hiring Organisation
Sanderson Government and Defence
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £625 per day + Inside IR35
scalable applications using JavaScript , React , and Node.js Designing and deploying cloud native solutions on AWS , leveraging best-practice architectures Implementing and maintaining Infrastructure as Code using Terraform Contributing to secure, resilient systems that support UK government and defence-related operations Collaborating with cross-functional teams to deliver robust, production … ready software Ensuring code quality, security, and performance across the full development life cycle Why This Role Matters You'll be working on systems that directly support the UK's secure sector operations - meaning reliability, security, and engineering excellence are non negotiable. Your work will help maintain ...

Senior Backend Engineer - Kotlin

Hiring Organisation
TechNET IT Recruitment Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
resolve blockers across technical, process, and cross-team boundaries Collaborate closely with product, mobile, platform, and other Back End engineers Raise standards for code quality, system design, testing, and documentation Contribute to a culture of learning, inclusion, and thoughtful engineering What We're Looking For Strong experience ...

Salesforce Solution Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £525 per day
Mentor and guide development teams and junior architects, promoting architectural excellence Delivery & Governance Support program planning, release strategy, and DevOps processes Review technical designs, code quality, deployment models, and release strategies Identify technical risks, dependencies, and mitigation strategies early in the lifecycle Drive continuous improvement and actively ...