18 of 18 Contract Code Quality Jobs in London

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. ...

Senior Front-End Engineer

Hiring Organisation
McGregor Boyall
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £800 per day
integration Optimise performance for large datasets and interactive UIs Collaborate with backend teams on API contracts and integration Maintain high standards for testing, code quality and security Contribute to build tooling, CI/CD and deployment processes Required Experience Strong commercial experience with React and TypeScript Experience … client vs server state management Experience with modern data fetching tools (e.g. TanStack Query) Experience optimising performance for data-heavy applications Strong testing and code quality practices Security-aware development approach This is an excellent opportunity to work on a greenfield, data-intensive platform within a collaborative ...

Senior Data Engineer - Python/SQL

Hiring Organisation
Harvey Nash
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
making. Build end-to-end ELT pipelines, from sourcing data to presenting clear outputs for internal customers. Write high-quality, testable, readable code; participate in code reviews; support solution design; build automated tests; and contribute to documentation throughout the development lifecycle. Collaborate closely with developers … Hands-on experience building cloud infrastructure using IaC tools such as CloudFormation or Terraform . Strong understanding of software development best practices, including testing, code quality, and consistency. Excellent communication skills with the ability to translate technical information for non-technical stakeholders. Experience working within agile environments ...

Java Developer, Contract, Inside IR35

Hiring Organisation
Brio Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600/day
with multiple systems across the healthcare ecosystem. The Role As a Java Developer, you will be responsible for designing, building, and maintaining high-quality backend services within a complex, distributed system. You will work closely with product, architecture, and engineering teams to deliver robust, scalable solutions that meet … microservices within a distributed architecture * Collaborate with Product Managers, Architects, and other Engineers * Contribute to system design, technical decisions, and best practices * Ensure code quality through testing, code reviews, and CI/CD pipelines * Work with cloud-based infrastructure and containerised environments * Support integration across multiple ...

Salesforce DevOps Engineer

Hiring Organisation
Keystream Group Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £800 per day
technical domains. Essential: Proven experience implementing and maintaining CI/CD pipelines for Salesforce using Azure DevOps (ADO). Experience integrating automated testing and code quality tools (Code Checker, BrowserStack, Playwright and SonarCloud. Desirable: Experience supporting Salesforce deployments in public sector or enterprise-scale environments with ...

Senior Salesforce DevOps Engineer - SC cleared

Hiring Organisation
Investigo Change Solutions
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
cycle. Key responsibilities Design and manage Salesforce CI/CD pipelines using Azure DevOps Integrate automated testing and quality tooling including Salesforce Code Checker, BrowserStack and Playwright Implement infrastructure as code and continuous testing approaches Collaborate with architects, developers and security teams to deliver compliant releases … experience implementing Salesforce deployment pipelines in Azure DevOps Strong knowledge of release engineering, automation frameworks and DevOps best practice Experience with testing automation and code quality tooling Background working in complex enterprise or public sector environments advantageous This position will focus on enabling scalable, repeatable deployment strategies ...

Salesforce Tech Lead

Hiring Organisation
Advanced Resource Managers Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £630 per day
resolution, and actively manage technical and delivery risks to protect quality, timelines, and outcomes. Demonstrates a strong personal commitment to engineering excellence, code quality, and continuous improvement . Hands-on contributor with a proven track record of leading by example , supporting design elaboration, conducting peer … testable, maintainable, and production-ready. Identify and resolve technical issues early, escalating risks appropriately and proposing pragmatic, value-focused solutions. Actively contribute to peer code reviews, ensuring consistency, performance, security, and maintainability standards are met. Support continuous improvement of development practices, tooling, and ways of working. Collaboration & Mentoring Work ...

Java Developer

Hiring Organisation
McGregor Boyall
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£850 - £900 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 Ruby Developer

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£650 per day
within a cloud-native architecture Collaborating with product, cloud, and DevOps teams to deliver high-impact functionality Contributing to technical decisions, best practices, and code quality improvements Integrating third-party services and APIs within a complex insurance environment Supporting ongoing migration, modernisation, and cloud optimisation initiatives What ...

Salesforce Developer (SC Required)

Hiring Organisation
Teksystems
Location
London, United Kingdom
Employment Type
Contract
Service Cloud features, including case management, knowledge base, automation, and workflows. · Develop complex Salesforce Flows to automate business processes. · Write, test, and deploy Apex code (classes, triggers, and components) to extend Salesforce functionality. · Participate in the full software development lifecycle, including requirements gathering, development, testing, deployment, and maintenance. · Implement … maintain robust DevOps practices, including source code management, branching strategies, pull requests, and commits. · Utilize DevOps tools such as ( Specify: Copado, Gearset, Azure DevOps, or others ) for deployment and release management. · Work within an Agile development environment, using Jira for task management and collaboration, specifically managing user stories. · Ensure ...

Developer Experience (DevEx) Engineer

Hiring Organisation
Lorien
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
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 ...

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 ...

Backend Engineer

Hiring Organisation
Skilliantech Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
security of backend systems. Key Responsibilities: Develop and maintain backend services using Java, Spring Boot, AWS Build and optimize REST and GraphQL APIs Ensure code quality through testing, refactoring, and best practices Own services end-to-end, including deployment, monitoring, and production support Handle production incidents, perform ...

Lansa Developer

Hiring Organisation
Proactive Appointments
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£300 - £500 per day
components where required Develop, test, and implement enhancements within the ERP environment Work with technical teams to troubleshoot issues during the migration process Ensure code quality, performance, and maintainability Document development work and migration processes Collaborate with project stakeholders to ensure successful delivery of the upgrade Required ...

AI Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £800 to £850 per day
leadership, shaping investment decisions, AI risk posture, and adoption pathways. Engineered secure Azure + hybrid integration patterns; embedded CI/CD and policy-as-code across HR, Finance, and Data/AI services to stabilise releases and unblock cross-team dependencies. Orchestrated real-time data pipelines spanning Oracle/… guiding Azure OpenAI customisation for domain-specific outcomes and robust evaluation. Led GitHub Copilot enterprise adoption across multiple geographies to uplift developer productivity and code quality. Architected real-time insights flywheels that fed operational decision-making; implemented multi-speed IT architectures for agility at scale. Championed Responsible AI practices ...

Frontend Developer

Hiring Organisation
Rullion - Eon
Location
London, Farringdon, United Kingdom
Employment Type
Contract
using React.js and TypeScript. Collaborate with UX/UI designers to implement modern, intuitive, and visually appealing user interfaces. Write clean, maintainable, and efficient code while adhering to best practices. Optimize applications for maximum performance across a wide range of devices and browsers. Participate in code reviews … maintain a high level of code quality. Troubleshoot and debug issues in both development and production environments. Contribute to architectural decisions and collaborate with other engineers on overall application design. Ensure the scalability and security of applications by following best development practices. Stay up-to-date with emerging technologies ...