25,135+ Solutions Architect Java Nodejs Api Microservices Jobs in London, UK — Local Employers Hiring June 2026

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Integration Architect – Microservices / Middleware / SOA / API / EDA

Integration Architect – Microservices / Middleware / SOA / API / EDA Up to £625 per day (Inside IR35)Hybrid (Primarily Remote)6 monthsMy client is a high-profile consultancy who are seeking an Integration Architect to support a large-scale Strategic Infrastructure Programme for an instantly recognisable end clie ...

API Developer Java

Job Description The team you'll be working with: NTT DATA UK is looking for a Java Developer with Microservices and AWS experience to join their team. What you'll be doing: The role involves developing clean, well-tested, and maintainable ...

Java Architect

Job Title: Java Architect Job Location: London, UK (Hybrid 3 days office) Job type: FTE Job Description - We have shared set of profiles earlier all are rejected, please validate candid ...

Senior Solutions Architect

Role: Senior Solution ArchitectLocation: London - 2 days a weekSalary: Up to £, DOE + 10% Bonus We're working with a globally recognised organisation in the mobile gaming space to recruit an experienced Senior Solution Architect to join their central solutions ...

Senior API Developer to support the design, development, and deployment of scalable, secure microservices based applications.

Our client is seeking an experienced API Developer to support the design, development, and deployment of scalable, secure microservices-based applications. The ideal candidate will have strong hands-on experience with Java, Spring Boot, and RESTful API development in an enterprise environment.This rol ...

Senior Software Engineer APIs & Integration (Azure & Kafka)

Senior Software Engineer - APIs & Integration (Azure & Kafka) Contract Length: 6 Months InitialRate: £500-£525 per dayLocation: Remote IR35: Outside ...

NodeJs Developer

Role & Responsibility Outstanding experience in Node.jsExperience with Node.js frameworks (e.g. Express, Koa, Hapi, Loopback)Experience with unit testingExperience with front end JavaScript frameworks (e.g. React, Angular)Experience wi ...

Integration Architect

Job Title: Integration Architect Job Location: London, UK Job type: FTC 1 Year - Hybrid - 4 days office Mandatory Hands-on Integration Architect fo ...

AWS API Technical Architect

Location: London Job Type: Contract Industry: Cloud & Infrastructure Job reference: BBBH438647_1778580212 Posted: about 8 hours ago Job Title: AWS API Technical Architect Rate: £575p/d via Umbrella Duration: 3-6 months (flexible on end date) Location: Remote <b ...

AWS Cloud Full Stack Engineer eSC or eDV Clearance required

**Introduction**At IBM Consulting UK FutureNow, you'll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors.You'll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver so ...

Full Stack Developer (Java)

**Introduction**At IBM Consulting UK FutureNow, you’ll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors.You’ll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver so ...

Senior Software Engineer (Java, Spring Boot, Microservices)

Job Level: 9UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software syste ...

Lead Software Engineer (Java, Spring Boot, Microservices)

Job Level: 10UK Wide We are looking for a Lead Software Engineer who will be responsible for the design, development, and deployment of high-quality software solutions. This role involves leading a team of engineers on high-profile projects, ensuring best practices are followed, and d ...

Fullstack Java Developer

Job DescriptionAnticipated Contract End Date/Length: December 31, 2026Work Set Up: HybridClearance required: BPSSOur client in the Information Technology and Services industry is looking for a Fullstack Java Developer to desig ...

Microservices Engineer

Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include the wor ...

JAVA ENIGNEER

London, England, United Kingdom JAVA ENIGNEER Job Description: Full Remote Senior Java EngineerResponsibilities:Contribute to development & scaling of high throughput, high availability, public-facing multi-tenanted application, in a fast- ...

Lead Technical Architect Java AWS Agentic AI

Lead Technical Architect (Java AWS Agentic AI) London / WFH to £130kDo you have experience of architecting and leading the modernisation of Payments, FX or Core Banking platforms?You could be progressing your career in an impactful role at a scale-up Tech for Good software house.Th ...

Sr. Java (Spring boot) Developer with API and Microservices expertise to support our insurance client's Enterprise Application Integration team

Sr. Java (Spring boot) Developer with API and Microservices expertise to support our insurance client's Enterprise Application Integration team Duration: 6 MonthsLocation: Toronto (Hybrid, 3x/week)We are looking for a Senior Software Developer for the Enterprise Appli ...

Java Developer – IAM & Security

Job Title: Senior Java Developer – IAM & Security Ensure you read the information regarding this opportunity thoroughly before making an application.Key Skills: Java, Spring Boot, Spring Security OAuth 2.0, OpenID Connect (OIDC), JWT </li ...

Senior Java Developer

£500 p/d inside IR35 | 6 months initialHybrid - 1 dpw in London | SC Cleared (preferred) A major public sector technology programme is seeking an experienced Senior Java Developer to support the design, development and delivery of secure, scalable, enterprise-grade services.This is ...

Java Full Stack Developer

Job description Senior Java Full Stack DeveloperLocation: London (Hybrid – minimum 3 days onsite)Contract: 6 months Rate: Market rate (Inside IR35)The RoleWe are looking for a Senior Java Full Stack Developer ...

Backend Software Engineer

Software Engineer – Java 21, SpringbootUp to £550 per day (Inside IR35)London / Remote6 monthsMy client is an instantly recognisable consultancy who require a strong Backend Software Engineer with deep expertise in Java (Spring Boot) to join a large-scale, business‑critical microservi ...

Graduate.NET Developer

Graduate .NET Developer – Investment Bank – London(Tech stack: Graduate .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, Graduate .NET Developer)Our clie ...

Solutions Architect Applications & Integration

Title: Solutions Architect- Application and IntegrationRole Type: Permanent, full-timeWorking model: Remote (occasional office travel to either London, Birmingham, or Newcastle)Salary – Up to £85KIndustry – HealthcareOverview:The Soluti ...

Lead Java Developer

About the Job you are considering:We are seeking an experienced Lead Java Developer with CIAM Customer Identity and Access Management expertise to design develop and lead the implementation of scalable and secure identity solutions The ideal candidate will have strong technical leadership ...

Sr. Integration Expert to lead Mulesoft API development POD for automation programs

Senior Mulesoft POD Lead to drive API integration and automation delivery using the Mulesoft Anypoint Platform. This onshore role will lead a team delivering 2-3 integrations per month while establishing best practices and ensuring sustainable solution design.Responsibilities:</ ...

Technical Architect

Technical Architect - Java / Spring BootAbout Methods: Methods is a £100M+ IT Services Consultancy who has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK. Established over 30 years ago and UK-based, we apply ...

Senior Technical Architect/Developer (10+ years) to deliver enterprise grade solutions using OpenShift,.NET, Angular, and Java/Quarkus

Our public sector client is seeking a Senior Technical Architect/Developer (10+ years) to deliver enterprise-grade solutions using OpenShift, .NET, Angular, and Java/QuarkusJoin a team advancing large-scale modernization and system integration initiatives within a provincial energy regulatory ag ...

Ai Engineer (Contract)

Forward Deployed AI Engineer | AI Consultancy London (Hybrid)Permanent or Contract We’re looking for a Forward Deployed AI Engineer to join a fast-growing AI consultancy working with leading organisations in areas such as capital markets and investment management . You will work directly with cl ...

Engineering Lead API Experience

Job DescriptionWe’re looking for an experienced Engineering Lead to join our API Experience team. You’ll lead and manage a team of engineers building the tooling and infrastructure that enables partners to securely integrate with Wise's API. This is a unique opportunity to shape the developer experi ...

Camunda Architect / Lead Architect (Camunda 8 Preferred)

Camunda Architect / Lead Architect (Camunda 8 Preferred)Location: London, UKWork Model: HybridEmployment Type: Full-time / Fixed Term ContractSeniority:</s ...

Solutions Architect

Solutions ArchitectLocation: Athens, Barcelona, Berlin, Bologna, Brno, Cambridge, Copenhagen, London, Montpellier, Munich, San Francisco, Tallinn Alpha is a leading language service provider (LSP), with a global presence and a commitment to delivering cutting-edge tech-driven solut ...

Solutions Architect

About the roleWe are looking for an experienced solutions architect to join our team in Chiswick, West London. You will be responisble for leading the design and delivery of complex digital solutions, ensuring alignment with enterprise architecture principles and technology strateg ...

Solutions Architect

The Role Work across the Customer family, particularly the Customer Decisioning domain Sit between the domain architect (strategic high-level design) and data architects (detailed data structures) to design practical solutions Analyse existing third ...

Solutions Architect

Solution Architect – Digital PlatformsShape the future of digital experiences used by millions.We’re looking for a Solution Architect to lead architecture across major digital transformation programmes, including a large-scale AEM website re-platform.You’ll define solution arc ...

Solutions Architect

Fitch Solutions is currently seeking a Solution Architect based out of our London office.Fitch Solutions is a leading provider of insights, data and analytics. It informs investment strategies, strengthens risk management capabilities and helps identify strategic opportunities. Its analysts, ...

Solutions Architect

Fitch Solutions is currently seeking a Solution Architect based out of our London office.Fitch Solutions is a leading provider of insights, data and analytics. It informs investment strategies, strengthens risk management capabilities and helps identify strategic opportunities. Its analysts, ...

Solutions Architect

Job Description Solutions Architect / Implementation Architect London, UK My client is an exciting and rapidly growing Saas scale-up looking to hire an exceptional Solutions Architect. A product-first company with a team is composed of industry leading talent ...

Solutions Architect

These roles are instrumental in three core areas: defining strategic technology direction across operational domains in collaboration with domain architects, acting as the technical design authority for project delivery, and maintaining strong governance and architectural standards. Covering a wide landscape— ...

Solutions Architect

Responsibilities Have expertise in solution architecture and at least one IT Architecture domain (Business, Application, Information, Technology, Security). Lead software / product evaluation and selection according to Software Requirement Process requirements. Use Enterprise Archite ...

Solutions Architect

Why LNER? We go beyond. For everyone. Our vision is to be the most loved, progressive and responsible way to travel for generations to come. Now we're looking for the people who can deliver this, every day. Since we took over on the East Coast mainline, we've been changing the face o ...

Solutions Architect

More details As a Solutions Architect at our charity, you will play a pivotal role in designing and implementing technology solutions that support our mission and strategic goals.With the continued implementation of our new Salesforce CRM, you will ensure its successful ...

.NET Developer, CMS, Sitecore, EpiServer, Umbraco

.NET Developer, CMS, Sitecore, Optimizely, Umbraco – London(Tech stack: .NET Developer, CMS, Sitecore, Optimizely, Umbraco, .NET 10.0, C# 14, Angular 21, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer)Established in the 1990s our client is one the fast growing techn ...

Senior Software Engineer C# FLEXIBLE WORKING

Senior Backend Engineer Location: London, Hybrid (2 Days Onsite) Salary: £90,000 - £105,000 + Competitive bonus We're working with a rapidly growing tech for good company that is transforming how data, automation, and smart integrations shape the future of digital infrastructure. Their platform opti ...

Data Platform Engineer

United Kingdom - London Posted: 05/05/2026 Salary: Negotiable ID: 37322_BH Apply OR Data Platform Engineer We are seeking experienced Mid to Senior Java / Data Platform Engineers to support a high-profile client engagement. The role will focus on ...

Senior Software Engineer API Experience

Company Description Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spending abroad, or making and receiving international pay ...

Solution Architect / Consultant (AI & Retail Initiatives) (m/f/d)

Solution Architect / Consultant (AI & Retail) (m/f/d)Start: 01.07.2026 (earlier preferred) - e.g. mid June 2026End: 31.12.2026 (extension possible)Workload: Full-time (220 days)Location: Vienna (3 days/week) + Remote (2 day ...

Solution Architect / Consultant (AI & Retail Initiatives) (m/f/d)

Solution Architect / Consultant (AI & Retail) (m/f/d)Start: 01.07.2026 (earlier preferred) - e.g. mid June 2026End: 31.12.2026 (extension possible)Workload: Full-time (220 days)Location: Vienna (3 days/week) + Remote (2 day ...

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