1 to 25 of 45 Contract Microservices Jobs in London

Senior Java full stack developer / Tech Lead

Hiring Organisation
E-Solutions IT Services UK Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£70,000 - £80,000 per annum
Troubleshoot and debug production issues. Required Skills & Qualifications 8+ years of experience in full stack development. Strong proficiency in Java , React, Spring Boot , and Microservices Architecture . Mandatory hands-on experience with React js , Redux (or similar state management libraries). Solid understanding of HTML5, CSS3, JavaScript (ES6+) . Experience ...

Java Software Engineer

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
focused on building high quality software using modern engineering practices. What you'll do You'll design, build and maintain Java based microservices, applying test driven development and following established engineering standards. You'll work with technologies including Java, Spring Boot, Postgres, Kafka, Docker, React and AWS. You'll contribute ...

Senior Java Developer - Multithreading/Caching

Hiring Organisation
Harvey Nash
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£800 - £1,000 per day
tooling (Maven/Gradle, testing frameworks, dependency management). Proven experience building data processing or data-intensive applications. Solid understanding of modern architectural patterns (Microservices, Event-Driven Architecture). Strong TDD skills and experience using static code analysis (e.g., SonarQube). Clear communication skills with the ability to explain technical ...

Solution Architect

Hiring Organisation
Square One Resources
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£495 - £525/month
full project lifecycles from concept to delivery. Desirable Skills/Experience Although not essential, the following skills are desired by the client: 1.Experience with microservices architecture and event-driven design (e.g., Kafka, messaging systems) 2.Knowledge of DevOps practices and CI/CD pipelines (e.g., Jenkins, GitHub Actions, Azure DevOps) 3.Familiarity ...

Senior Ruby Developer

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£650 per day
Rails Engineer Deep understanding of distributed systems and cloud-based application design Extensive hands-on experience with AWS Solid background in building scalable APIs, microservices, and backend systems Familiarity with CI/CD pipelines, DevOps tooling, and modern cloud workflows Excellent communication skills and ability to operate within a cross ...

Release Manager - Active SC, AWS

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £506 per day
checks and stakeholder communication. Oversee deployments through CI/CD pipelines (Jenkins or similar), managing environments, resolving issues, and supporting teams working with Dockerised microservices and SQL databases. Ensure governance, risk management and adherence to change-control processes, including validating test coverage and sign-off criteria ahead of releases. Drive ...

SC Cleared Technical Architect - Up to £615 inside IR35

Hiring Organisation
Solirius Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
management. Key Skills: Advanced knowledge of cloud platforms: Microsoft 365, Azure. Hands-on experience with programming languages such as Java, .NET, Python, or equivalent. Microservices architecture and containerization. RESTful API design and management. Agile and DevOps delivery methodologies. Expertise in data architecture and design (conceptual, logical, and physical). Familiarity ...

.NET Developer, CMS, Sitecore, Optimizely

Hiring Organisation
Noir
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£350 - £400 per day
Kentico, Sitefinity or DotNetNuke. Our client is passionate about continuous learning and will provide industry-recognised training in: .NET 10.0, JavaScript, React, Angular 21, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, ASP.NET Core Web API, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum and Kanban. This is a unique opportunity ...

Java 8 Software Engineer | £500 – £550 | Inside IR35 | 6 Months | Hybrid Remote

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
commercial experience with Java 8 or similar legacy Java frameworks Solid skills in SQL, Spring Boot, and Hibernate development practices Proven ability to build microservices and reliable RESTful APIs Hands-on experience applying TDD and BDD testing approaches Good understanding of clean coding principles, SOLID, and cloud technologies Previous experience ...

Software Engineering Manager - Technical Delivery

Hiring Organisation
The Curve Group
Location
City of London, London, United Kingdom
Employment Type
Contract
implement engineering standards Excellent communication skills for both technical and non-technical stakeholders Familiarity with .NET/C#, Azure, DevOps/CI/CD, microservices, and modern scalable architecture principles is desirable The opportunity: Shape a new leadership role in a regulated, innovative, and growing team Influence technical standards ...

SC Solutions Architect CGEMJP

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Professional Familiarity with database design, data architecture, and relational databases. Expertise in SOA and Web Services (REST/Restful). Knowledge App principles and microservices architecture. Experience with Agile and DevOps practices. All profiles will be reviewed against the required skills and experience. Due to the high number of applications ...

SC Solutions Architect CGEMJP00334895

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Professional * Familiarity with database design, data architecture, and relational databases. Expertise in SOA and Web Services (REST/Restful). Knowledge App principles and microservices architecture. Experience with Agile and DevOps practices. All profiles will be reviewed against the required skills and experience. Due to the high number of applications ...

Developer Experience (DevEx) Engineer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
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 and satisfaction Work closely with high-performing product ...

Sr Application Security Specialist

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £510 per day
advising on secure use of AI/ML applications, including secure patterns for Generative or Agentic AI. Background in secure architecture reviews for microservices, APIs, and cloud-native application stacks (AWS, Azure, or hybrid). Experience within regulated industries such as Financial Services or Insurance. Strong senior stakeholder communication skills ...

Cloud/AI Security Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £525 per day
Actions, GitLab, or similar. Knowledge of IAM design, network security controls, encryption, secrets management, and cloud identity principles. Understanding of modern cloud architectures (serverless, microservices, managed AI/ML services) and their associated security risks. Ability to collaborate effectively with AI engineers, developers, and cloud teams to ensure secure implementation ...

Enterprise Architect - (Finance, HR & Legal)

Hiring Organisation
Infused Solutions Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £750/day market rate
Data, AI and Cloud systems Experience with transformation projects Expert knowledge of IT systems, technologies, and methodologies, such as cloud computing, service-oriented architecture, microservices, DevOps, agile, etc. Strong analytical, problem-solving, and decision-making skills Excellent communication, presentation, and interpersonal skills Certification in enterprise architecture frameworks, such as TOGAF ...

Solution Architect - PreSales, Bids, Digital Transformation.

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £800 per day
SageMaker, Google Vertex AI), data governance, analytics, and responsible AI practices. Cloud & Integration Strong understanding of hybrid and multi-cloud architectures, APIs, microservices, and event-driven systems. Bid Leadership Proven record of leading solution design for major bid from first principles to solve complex customer problems. Commercial Insight Ability ...

Java Developer, Contract, Inside IR35

Hiring Organisation
Brio Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600/day
robust, scalable solutions that meet both user and system requirements. Key Responsibilities * Design, develop, and maintain Java-based backend services * Build scalable APIs and 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 … external systems * Troubleshoot and resolve performance and production issues Required Experience * Strong experience in Java development (Java 8+/Spring Boot) * Proven experience building microservices and RESTful APIs * Experience working in Agile delivery environments * Strong understanding of software engineering best practices * Experience with CI/CD pipelines and version control ...

Software/Application Engineer

Hiring Organisation
Lucid Support Services Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 - 475 Daily
development, depending on your skill set and project alignment. Key Responsibilities: Design, build and maintain scalable applications and services Develop and enhance APIs and microservices architectures Work within Agile delivery teams to deliver high-quality software Contribute to cloud-based solutions (primarily AWS) Support CI/CD pipelines and modern … cross-functional teams including engineers, analysts, and stakeholders Essential Skills (Must Have): Java (Spring Boot preferred) Node.js/JavaScript Proven experience building APIs and microservices Experience working within cloud environments (AWS preferred) Familiarity with Git and CI/CD pipelines Experience working in Agile environments Desirable Skills: Event-driven architectures ...

Java Developer x 2

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day Up to £650pd Umbrella
services. Strong experience working on data heavy projects, with good understanding of data products, data pipelines, and Oracle. Strong experience in distributed programming. Extensive microservices development experience with RESTful services. Strong cloud experience. What you'll get in return : Up to £650pd Umbrella. London-based hybrid working. Initial 6-month ...

Integration Architect - Boomi

Hiring Organisation
INFUSED SOLUTIONS LIMITED
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £750 per day + market rate
across Verint and Appian platforms. Experience with transformation projects Expert knowledge of IT systems, technologies, and methodologies, such as cloud computing, service-oriented architecture, microservices, DevOps, agile, etc. Strong analytical, problem-solving, and decision-making skills Excellent communication, presentation, and interpersonal skills Certification in enterprise architecture frameworks, such as TOGAF ...

Solution Architect

Hiring Organisation
DATTalent ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £600 per day
Architect on large-scale transformation programmes Strong background in case management systems (e.g., CRM, workflow, or BPM platforms) Experience with system integration, including APIs, microservices, and cloud-based architectures Knowledge of data architecture, security, and compliance considerations Ability to communicate complex technical concepts to non-technical stakeholders Experience working ...

Data Scientist

Hiring Organisation
Stott & May Professional Search Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£415 - £467 per day
attacks, and other threat scenarios * Knowledge of API gateways, ISTIO, and diagnosing end-to-end communication failures * Hands-on experience with API development and microservices architecture Desirable Skills, Knowledge and Experience * Strong experience applying machine learning, statistical modelling, and predictive analytics to real-world business problems * Ability to resolve ...

Data Scientist

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £400 to £450 per day
Knowledge of API Gateways and ISTIO, ability to Diagnose and intercept failures in End to End communication Hands-on Experience with API Development and Microservices architecture Desirable Skills/Knowledge/Experience Strong experience applying machine learning, statistical modelling, and predictive analytics to real world business problems Collaborate with cross ...

Data Scientist

Hiring Organisation
Infoplus Technologies UK Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £450 to £500 per day
Knowledge of API Gateways and ISTIO , ability to Diagnose and intercept failures in End to End communication Hands-on Experience with API Development and Microservices architecture Desirable skills/knowledge/experience: (As applicable) Strong experience applying machine learning, statistical modelling, and predictive analytics to real-world business problems. Collaborate ...