76 to 100 of 133 Contract Microservices Jobs

Lead Developer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 522 Daily
Scala + Play + AWS experience Required Skills & Experience: MacOS or Linux OS Lead development of front end & back-end apps using Scala Develop microservices u click apply for full job details ...

Lead Developer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £522 per day
Scala + Play + AWS experience Required Skills & Experience: MacOS or Linux OS Lead development of front end & back-end apps using Scala Develop microservices using Scala + Play Framework deployed on AWS PaaS Collaborate with cross functional teams on design, development, and testing Provide technical leadership & mentorship to developers. ...

AI Tech Lead/Architect

Hiring Organisation
Randstad Digital
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£700 - £750 per day
using embedding stores, Vector Databases , and persistence strategies. Integration: Architect prompt management and function-calling layers to seamlessly integrate AI agents with backend APIs, microservices, and UI/UX layers. Governance & Compliance: Implement strict observability and governance frameworks to ensure all GenAI deployments meet enterprise data security and regulatory standards. ...

Payments Solution Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £550 to £600 per day
ownership, and initiative. Desirable (Not Mandatory) Knowledge of BIAN, TOGAF, ArchiMate, or C4 . Experience with Avolution Abacus or similar architecture tools. Familiarity with microservices, API integration patterns, and cloud concepts such as AWS . Exposure to global banking environments or large-scale payment transformations. What We Do Not Want ...

Application Architect

Hiring Organisation
Experis
Location
Croydon, London, United Kingdom
Employment Type
Contract
Contract Rate
£710 - £735/day
Application Architect, you will: Design and lead delivery of scalable, high-performance application architectures Define and apply modern application architecture patterns , including microservices, event-driven architectures, and SOA Support monolith-to-microservices transformation initiatives where required Architect cloud-native applications across AWS, Azure, and/or GCP Design API strategies … Senior Software Engineer operating at architectural level Strong expertise in designing and delivering scalable, high-performance applications Solid understanding of application architecture patterns (microservices, event-driven, SOA) Experience designing cloud-native applications on AWS, Azure, and/or GCP Strong knowledge of API design , integration patterns, and messaging technologies Experience ...

Technology Lead .NET & Azure

Hiring Organisation
Infoplus Technologies UK Ltd
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Contract
Contract Rate
£370 per day
Engineering, or related field Key Responsibilities Design and implement cloud-native solutions using Microsoft Azure Lead system design and architecture discussions Develop and maintain microservices and RESTful APIs Implement event-driven architectures and modern application patterns Collaborate with client architects and business stakeholders to align with enterprise architecture standards Support … similar tools Mandatory Skills .NET Core and C# Microsoft Azure services (App Services, Functions, API Management, Azure SQL, Storage, Service Bus, Event Grid) Microservices architecture and RESTful APIs Containerization using Docker and Kubernetes CI/CD pipelines (Azure DevOps or equivalent) Strong analytical, problem-solving, and communication skills Proven experience ...

Java Developer

Hiring Organisation
RT Consulting
Location
Solihull, West Midlands, United Kingdom
Employment Type
Contract
Contract Rate
From £400 to £500 per day Outside IR35
Developing new features and integrations across secure biometric and identity platforms Supporting live, mission-critical systems and troubleshooting production issues Building high-quality Java microservices and APIs Contributing to Agile delivery teams focused on reliability, performance and secure coding Core Skills & Experience Java Spring Boot, Spring Data JPA, Spring Integration … Spring Batch Microservices architecture REST & SOAP Web Services JPA/Hibernate PostgreSQL/Aurora ActiveMQ or similar messaging technologies CI/CD: Maven, Git, Jenkins, SonarQube Docker, Linux AWS (EC2, SQS, RDS, DynamoDB, S3, KMS, CloudWatch) Experience supporting live environments Strong Agile mindset (Scrum, TDD, BDD) Nice to Have Angular ...

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
full-stack features: React/TypeScript web apps, desktop container integrations (OpenFin or similar), and Java services. Architect and implement scalable, event-driven, and microservices-based backend components (e.g., Spring Boot), including APIs, market data, order/risk workflows, and real-time streaming. Build performant and accessible UIs with modular … tooling (bundlers, linting, testing frameworks). Backend: Core Java, Spring Boot (or similar), multithreading/concurrency, performance tuning. Experience designing and operating distributed systems (microservices, event-driven architectures, messaging/streaming). Strong understanding of computer science fundamentals (data structures, algorithms, concurrency, networking, OS). Proven experience in e-trading ...

Senior Full Stack Engineer – FX e-trading – Java / React

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£759 - £900 per day
full-stack features: React/TypeScript web apps, desktop container integrations (OpenFin or similar), and Java services. Architect and implement scalable, event-driven, and microservices-based backend components (e.g., Spring Boot), including APIs, market data, order/risk workflows, and real-time streaming. Build performant and accessible UIs with modular … tooling (bundlers, linting, testing frameworks). Backend: Core Java, Spring Boot (or similar), multithreading/concurrency, performance tuning. Experience designing and operating distributed systems (microservices, event-driven architectures, messaging/streaming). Strong understanding of computer science fundamentals (data structures, algorithms, concurrency, networking, OS). Proven experience in e-trading ...

FX e Trading Senior Full Stack Engineer (React TypeScript + Java)

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£759 - £900 per day
full-stack features: React/TypeScript web apps, desktop container integrations (OpenFin or similar), and Java services. Architect and implement scalable, event-driven, and microservices-based backend components (e.g., Spring Boot), including APIs, market data, order/risk workflows, and real-time streaming. Build performant and accessible UIs with modular … tooling (bundlers, linting, testing frameworks). Backend: Core Java, Spring Boot (or similar), multithreading/concurrency, performance tuning. Experience designing and operating distributed systems (microservices, event-driven architectures, messaging/streaming). Strong understanding of computer science fundamentals (data structures, algorithms, concurrency, networking, OS). Proven experience in e-trading ...

Senior Java Engineer - Azure - Finance Domain - London

Hiring Organisation
Salt
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
€500 - €700 per day
Senior Java Engineer (Azure) - Finance - London Daily rate: €500 - €700 (inside IR35) Duration: 12 months Hybrid: 8 days per month Start: ASAP A banking client of mine is looking for a Senior Java Engineer with ...

Senior Software Engineer

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £700/day Inside IR35
Adecco/Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs ...

Contract Senior Software Engineer - eDV Cleared

Hiring Organisation
Searchability NS&D
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £750 per day
CONTRACT SENIOR SOFTWARE ENGINEER - eDV CLEARED NEW CONTRACT JOB OPPORTUNITY AVAILABLE WITHIN A LEADING NATIONAL SECURITY COMPANY FOR A SENIOR SOFTWARE ENGINEER WITH eDV CLEARANCE Contract job opportunity for a Senior Software Engineer Globally leading ...

Senior Java Developer

Hiring Organisation
Jackson Hogg Ltd
Location
Nationwide, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £450/day
Senior Java Developer Initial 3-month contract starting ASAP Tech stack/skills required: Java specialist Prior gov experience will be prioritised Java 21+, Spring 3 NodeJS CI/CD pipelines (GitLab CI) MongoDB (NoSQL ...

Full Stack Developer - SC Cleared

Hiring Organisation
Run-Time Group Ltd
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Full Stack ( .NET/React) Developer Clearance - SC Remote Full Stack .NET developer - Visual studio 2022, .Net core 8, C#, Entity Framework 8, React, Typescript, Material -UI, Restful API's, SQL Server, Web UI and ...

Enterprise Architect (Outside IR35) - Defence / RAF projects

Hiring Organisation
Talent Locker
Location
Farnborough, Hampshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £750 per day
solution designs Confident working with senior stakeholders and delivery teams Desirable Knowledge of defence domains including C2, ISR or logistics. Exposure to cloud, microservices, secure by design, APIs, data or AI Experience supporting innovation or R and D programmes This contract suits an Enterprise Architect who wants hands on influence ...

Senior Java Engineer (Smart Contract)

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
innovative environment? Our client is seeking a talented individual to join their dynamic team in London, where you'll design and develop cutting-edge microservices for a next-generation loans processing application. If you thrive in a fast-paced atmosphere and enjoy collaborating with cross-functional teams, this opportunity … Spring/Spring boot. Hands on Smart Contract (Solidity) experience in essential Experienced in financial services , Ideally Commercial Lons. Experience in developing and deploying microservices architectures using Spring Boot, Spring Batch, and Spring Data In-depth knowledge of REST API principles and HTTP protocols. Proficiency in Git, CI/ ...

Java Developer - SC Cleared

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£50 - £60/hour
deployment. This is a hands-on role for someone who enjoys solving complex engineering problems and working in a fast-moving, agile environment. Microservices, automated testing and modern Java engineering are central to this project. What You'll Be Doing Designing, developing and testing high-quality software in an agile … Scrum) environment Contributing to system architecture and design , including UML modelling Building scalable microservices-based solutions Writing clean, maintainable, well-tested Java code Participating in sprint planning, estimation and delivery Working closely with engineers, architects and stakeholders to ship real-world systems Essential Skills & Experience Java Core (8+) Spring Boot ...

Software Engineer (Java)

Hiring Organisation
Meritus
Location
Dorchester, Dorset, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600/day
Cleared Java Developer to join on a key project. This is a fantastic opportunity for a skilled Java Software Engineer with strong experience in microservices, service-oriented architecture (SOA), APIs, and containerised environments to work on secure, mission-critical systems. The successful candidate will join a collaborative technical team delivering … environment. This role requires on-site working three days per week. Active Security Clearance (SC) is required. Main Responsibilities: Design and develop Java-based microservices within a Service-Oriented Architecture (SOA) Define, build and integrate RESTful APIs for internal and third-party systems Produce technical designs using UML and follow ...

Lead Test Engineer

Hiring Organisation
Circle Recruitment
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£540 - £640 per day
experience required: Significant experience leading and testing micro services Functional and non-functional testing Hands on experience in automation testing Leadership skills - experience leading microservices transformation (not just working) Have experience in designing and implementing test strategy for distributed microservices from Monolith service across multiple teams Experience in business context ...

Principal Engineer

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600.0 - £640.0 per day + up to £640 pd (Inside IR35)
Principal Engineer - Active NPPV3, Active SC, 4GL Up to £640 per day (Inside IR35) London/Remote 12 Months My client is an instantly recognisable consultancy who require a Principal Engineer with Active NPPV3 and ...

Java Software Developer

Hiring Organisation
Line Up Aviation
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£55/hour
On behalf of our client, we are seeking to recruit a Java Software Developer on an initial 12-month contract. As the Java Software Developer, you shall contribute to all stages of the software development ...

Software Developer

Hiring Organisation
Belcan
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£55/hour
wider programme delivering a nextgeneration satellite management system. The role spans the full software development lifecycle, requiring strong experience in UMLbased design, Java development, microservices, and automated testing. This position is ideal for someone who thrives in an agile environment and enjoys solving complex engineering challenges. Key Responsibilities Develop highquality … product features Contribute to architectural discussions and UMLdriven design activities Provide accurate task estimates and support effective sprint planning Apply best practices in microservices, automation, and CI/CD Engage confidently with internal and external stakeholders Maintain a strong awareness of compliance risks and act with integrity at all times ...

Senior Backend Developer

Hiring Organisation
GTC Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£650 - £700 per day
experienced Senior Backend Developer to support a major digital programme delivering secure, scalable backend systems. This role focuses on building modern cloud-based microservices, APIs, and data processing services in a highly collaborative and delivery-driven environment. You will work closely with multidisciplinary teams including data scientists, analysts, and operational … design and deliver robust, reusable solutions that can be leveraged across multiple programmes. Key Responsibilities Design, develop, and maintain backend services within a microservices architecture. Build secure, scalable APIs for data exchange between systems. Develop and deploy cloud-native services using AWS infrastructure. Build and manage microservices for data ingestion ...

Java Developer (Government)

Hiring Organisation
Stealth IT Consulting Limited
Location
United Kingdom
Employment Type
Contract
Contract Rate
Up to £400 per day
Java Developer with strong expertise in Apache Kafka, Node.js, and AWS cloud services. The role involves designing and implementing scalable, event-driven architectures, building microservices, and deploying solutions in a cloud-native environment. Essential Skills & Experience Strong commercial experience with Java (core + modern frameworks) Hands-on experience with Node.js … Proven background delivering solutions in AWS environments Understanding of microservices, APIs and distributed systems Experience working in Agile/DevOps environments Familiarity with CI/CD pipelines and cloud-native tooling Experience with Kafka ...