1 to 25 of 32 Web Services Jobs in London

RPG Developer, Contract & Perm

Hiring Organisation
Hydrogen Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
with: ILE RPGRPG IV (free-form)CLSQLDeep understanding of IBM i environment structures, library management, and system utilitiesExperience developing and consuming SOAP/REST web services using Integrated Web Services (IWS)Strong knowledge of DB2 for i and advanced SQL techniquesDevOps & Tooling ExperienceHands-on experience with ...

STIBO STEP Developer

Hiring Organisation
Hirexa Solutions UK
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£70,000 per annum
processors Experience in: Data quality frameworks Survivorship rules Reference data management Programming and Integration Strong in Java and JavaScript Experience with: REST and SOAP web services SQL XML/JSON processing Middleware exposure (MuleSoft, Boomi, Informatica) preferred Infrastructure Experience with Oracle/SQL Server Linux/Unix environment ...

STIBO STEP Developer

Hiring Organisation
Hirexa Solutions UK
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£60,000 - £70,000 per annum
Data quality frameworks o Survivorship rules o Reference data management Programming and Integration · Strong in Java and JavaScript · Experience with: o REST and SOAP web services o SQL o XML/JSON processing · Middleware exposure (MuleSoft, Boomi, Informatica) preferred Infrastructure · Experience with Oracle/SQL Server · Linux/ ...

Oracle Cloud Integrations Specialist

Hiring Organisation
Solos Consultants Ltd
Location
South West London, London, United Kingdom
Employment Type
Contract
Contract Rate
£650 per day
Experience developing custom applications using Oracle VBCS Strong experience integrating Oracle Fusion Cloud (ERP and/or HCM) Proven experience with REST and SOAP web services Experience working with OAuth, IAM, and JWT security technologies Strong understanding of systems integration best practices and architectural patterns Experience with ...

Salesforce Developer - SC Cleared - £ Excellent Rates - LONG TERM

Hiring Organisation
Investigo Change Solutions
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
development/configuration in Salesforce Industries Cloud Data Mappers (fka Data Raptors) Omni Processes (fka Integration Procedures) OmniScripts Skills in Apex (triggers, batch, web services) Integration Experience is benefcial (Mulesoft/APIGEE/Connected Apps) Experience of JavaScript/Lightning components Basic understanding of Apex sharing and security … model Experienced with Lightning Web Components Skills in analysing and problem-solving issues Experience of prioritising tasks and working to deadlines Strong communication, time-management and multi-tasking skills Automated testing experience (eg Provar, Selenium) - desirable Able to understand large/complex systems and both review and pick ...

Developer-in-Test (SC Cleared)

Hiring Organisation
Syntax Consultancy Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450/day 450/day (Outside IR35)
projects experience strongly preferred. Test automation tools experience -eg- Selenium, Serenity or Cucumber. Continuous Integration tools -eg- Jenkins, Stash, Hudson, Github. Testing UI and Web Services systems including end-to-end and in isolation using Mocks. Experience with large datasets + appreciation of data isolation in a multi ...

Oracle FDI Reporting Lead - SC Cleared

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
experience with FDI implementation or support, including knowledge of FDI data structures. Experience building advanced BIP and OTBI reports. Experience with REST/SOAP Web Services. Experience supporting FDI in public sector environments. Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business in relation ...

Senior UI Developer

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Permanent
Salary
£65,000
Role: UI developer Type: Permanent Location: London, UK We are a global digital-first technology services firm looking for a Senior UI Developer to join our high-performing team in London. You will be responsible for executing sophisticated visual designs and building complex web applications within an Agile … years of professional front-end development. Tech Stack: Expert-level JavaScript (OOJS), TypeScript, ReactJS, NextJS, HTML5, and CSS3. Integration: Proven experience integrating with RESTful Web Services . Precision: Ability to maintain technical standards while delivering polished, high-end functionality. Collaboration: Comfortable navigating stakeholders and working alongside UX/ ...

Senior Java Software Engineer

Hiring Organisation
TetriQ Solutions
Location
City of London, London, United Kingdom
ensuring adherence to best practices and coding standards, and collaborating with product managers and other stakeholders to deliver high-quality products for the financial services industry. Key responsibilities include coding, debugging, and maintaining applications, conducting code reviews, troubleshooting complex technical issues, and driving innovation with new technologies. Key Responsibilities … Leadership Skills: Demonstrated leadership and team management experience. • Technical Skills: Proficiency in Java and its related frameworks (e.g., Spring Boot, Maven, Gradle), knowledge of web services, and understanding of database technologies like SQL/Oracle are often required. • Soft Skills: Excellent communication, problem-solving, analytical, and interpersonal skills ...

Identity & Access Management Engineer

Hiring Organisation
Deerfoot Recruitment Solutions
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
Directory management and least privilege access enforcement What you need: Practical RSA IGL (or similar IAM) experience SQL/PSQL, Oracle, REST/SOAP web services, JAVA/JSP, HTML/CSS/JS basics Linux/Windows servers, SQL/Oracle databases Excellent attention to detail, communication … Identity Access Management Engineer, IAM Engineer, RSA IGL Engineer, Cyber Security Engineer, Privileged Access Management Specialist, Identity Governance, SailPoint, Splunk, ServiceNow, ISO27001, NIST, financial services security. Deerfoot Recruitment Solutions Ltd is a leading independent tech recruitment consultancy in the UK. For every CV sent to clients, we donate ...

Identity & Access Management Engineer

Hiring Organisation
Deerfoot Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £80,000 per annum
Directory management and least privilege access enforcement What you need: Practical RSA IGL (or similar IAM) experience SQL/PSQL, Oracle, REST/SOAP web services, JAVA/JSP, HTML/CSS/JS basics Linux/Windows servers, SQL/Oracle databases Excellent attention to detail, communication … Identity Access Management Engineer, IAM Engineer, RSA IGL Engineer, Cyber Security Engineer, Privileged Access Management Specialist, Identity Governance, SailPoint, Splunk, ServiceNow, ISO27001, NIST, financial services security. Deerfoot Recruitment Solutions Ltd is a leading independent tech recruitment consultancy in the UK. For every CV sent to clients, we donate ...

ServiceNow Security Architect

Hiring Organisation
Persistent Systems
Location
Greater London, England, United Kingdom
Award for AI and Data Excellence and were named a Leader in the Everest Group Talent Readiness for Next-generation Data, Analytics and AI Services PEAK Matrix® Assessment 2025. About Position: The security framework and architecture, ensuring it meets the business requirements and performance goals. Document the implementation … effort estimations, technical solutioning, and proposal preparation. Integration of ServiceNow with 3rd party tools/applications/platforms Hands-on experience in Integrations with Web Services REST and SOAP, Scripted Web Services. Good Understanding of Page Design and Widget Configurations related to Service Portal Good Understanding ...

Back End Developer

Hiring Organisation
Nothing
Location
London Area, United Kingdom
About the Team The AI & Services team is where we stop improving existing things and start inventing what’s missing. We are the studio within the machine, tasked with exploring the bleeding edge of human-computer interaction. We don't just build websites; we build intelligence that feels alive. … Phone (3) and Nothing OS experience. Translate experimental AI concepts into robust, production-grade applications using Node.js, Python, and Next.js. Bridge the gap between web services and hardware, working with our OS teams to blur the lines between mobile, web, and embedded surfaces. Optimise the feel ...

ServiceNow Technical Architect - Senior Manager

Hiring Organisation
Accenture
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
operating in a Technical Design Authority mode and demonstrable trusted advisor experience Ability to demonstrate advanced scripting and integration skills – JavaScript, SQL, API Web Services Experience integrating ServiceNow with Cloud Infrastructure (e.g AWS, Azure, GCP) Nice to have: Cloud migration experience GenAI experience ITILv4 or equivalent Certified … days leave per year for charitable work of your choice! Flexibility and mobility are required to deliver this role to deliver the first-class services we are known for. Closing Date for Applications: 28/02/2026 Accenture reserves the right to close the role prior to this ...

Salesforce Developer

Hiring Organisation
Mason Frank
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £75,000 per annum
programmatic development with a heavy focus on LWC and Apex . Integration's: Own complex projects involving external applications, REST/SOAP APIs , and web services. Collaboration: Partner with Designers and Product Managers to turn user insights into technical reality. Innovation: Explore AI and automation technologies to stay ahead ...

IAM Developer (1IM) - up to £90,000 + Bonus - Hybrid

Hiring Organisation
Involved Solutions
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
globally established organisation is seeking an experienced IAM Developer (1IM) to join a high-performing Identity and Access Management function within a complex financial services environment. This is a technical SME role focused on supporting and enhancing a mission-critical Identity Governance and Administration platform. The position is suited … Developer: Act as a technical subject matter expert for the One Identity Manager (1IM) platform Integrate target systems including Active Directory, O365, databases, web services, mainframes, LDAP and enterprise applications Configure and work extensively with 1IM tools including Manager, Designer, Web Designer, Object Browser, Data Importer ...

Oracle Cloud Integrations Specialist

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£650/day Inside IR35
Mandatory Strong Development Experience Good Oracle Integration Cloud (OIC) Experience Good Oracle Fusion Cloud Experience Hands-on with development & unit testing of integration components & web services (SOAP/REST/JSON Payload) using OIC, Postman, Curl Oracle VBCS to develop custom elements of the service Strong experience … auditing of privileged systems access. Provide the technical delivery progress, resolving issues and initiating appropriate corrective action Ensuring the delivery of new products or services from the technical workstream is to the appropriate level of quality in accordance with the workstream plan Knowledge of Change/Release Processes Devops ...

Front Office Python Developer

Hiring Organisation
Phi Partners
Location
London Area, United Kingdom
Introduce proper structure, architecture, testing, and version control discipline. Implement automation and workflow improvements for reliability and scalability. Migrate existing integrations from ad hoc web services to official, supported APIs. Ensure all components are correctly committed to Git and scheduled jobs run consistently. Balance enforcing engineering best practice ...

Senior Maximo Consultant

Hiring Organisation
Chris Turner Recruitment Ltd
Location
London, United Kingdom
Employment Type
Permanent
provider implementation. Functional knowledge of Maximo with Data loading and configuration deployment experience. Experience designing and implementing Maximo integrations using the MIF, with Java, web services and OSLC. Ideally you will have some experience of working with clients in one (or more) of the following industries: Facilities management ...

Blue Prism Developer // LONDON

Hiring Organisation
Akkodis
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
automation projects per year Background in software development or system configuration (C#, C++, Java, or similar) Experience integrating Blue Prism with RESTful APIs and web services Solid understanding of Blue Prism architecture and infrastructure Strong logical thinking and ability to interpret complex process maps YOU MUST BE ELIGIBLE ...

Oracle Cloud Integrations Specialist

Hiring Organisation
GTC RECRUITMENT LIMITED
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£650 per day
Remote(musttraveltoofficelocationsasrequiredapprox.oncepermonth) CoreResponsibilities DeliverandenhanceintegrationsandcustomcomponentsusingOracleIntegrationCloud. Workthroughthefulldevelopmentlifecycletointegratenewfunctionalitywithexistingsystems. Maintainandbuildontopreviouslydeliveredintegrationworkstreams. TakeassignedSOWs/tasksandworkindependentlytodeliverhigh-qualityoutputs. Develop,validate,andreviewphysicalintegrationdesignsandproducerelatedtechnicaldocumentation. DeployVBCSapplicationsintodevandtestenvironmentsusingSECDEVOPSpractices. Workcollaborativelywithinamultidisciplinarytechnicalteam. MandatorySkills&Experience 3+yearsdevelopmentexperience. 2+yearsOracleIntegrationCloud(OIC)experience. 2+yearsOracleFusionCloudexperience. Hands-ondevelopmentandunittestingofintegrationcomponents&webservices(SOAP/REST/JSON),usingOIC,PostmanandCurl. ExperiencedevelopingcustomelementsusingOracleVBCS. 3+yearsexperienceworkingwithsysteminterfaces,particularlyPaaScloudintegrations. Strongcommunicationandteamworkskills. ExperienceintegratingOracleERPandHCMviaOIC. KnowledgeofOAUTH,IAM,JWTtechnologies. ExperiencewithGIT,XML,JSON,XSLT,SOAPUI,Postman,Curl. Strongunderstandingofsystemsintegrationbestpracticesandarchitecturalpatterns. Excellentwrittenandverbalcommunicationskills. DesirableSkills ...

ServiceNow Platform Designer

Hiring Organisation
SmartSourcing Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day
ITSM, CMDB, Discovery, ITOM, and IntegrationHub. Strong capability in CMDB architecture, CI class modelling, relationship design, and data governance. Strong understanding of API/web service design (REST/SOAP), MID Server patterns, spokes, and automation workflows. Experience designing Scoped Applications, secure configuration models, and platform-level controls. Knowledge ...

Senior ServiceNow Solution Architect

Hiring Organisation
KPMG UK
Location
City of London, London, United Kingdom
KPMG community, sharing knowledge across functions and building your personal network within the firm. The Person Required experience: Extensive experience in consulting/professional services and technical delivery A proven track record of delivering technology projects on the ServiceNow platform as a Solution Architect Certified ServiceNow System Administrator Certified … business analysts to deliver enterprise wide ServiceNow solutions Understanding of the key technologies relevant to the ServiceNow integration solutions including: Integration Hub, SSO, Web Services, LDAP, JDBC, etc. Experience in scripting on the ServiceNow platform using JavaScript, CSS and Angular JS: Flows, Business Rules, Client Scripts, UI Actions ...

Granicus Support Engineer

Hiring Organisation
Adecco
Location
East London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 per day
etc.). Cloud migration experience, ideally Azure - understanding environments, dependencies and testing. Strong ability to design, build and support integrations, including SQL, API/web-service and data-based connections. Sound like a good fit? If you're a proactive, delivery-focused Granicus specialist looking for a role where ...

Senior SharePoint Developer & Administrator

Hiring Organisation
Ryder Reid Legal
Location
London Area, United Kingdom
Senior SharePoint Developer & Administrator Location: London Employment Type: Permanent I am working with a leading international professional services firm that is seeking a talented Senior SharePoint Developer & Administrator to join its London technology team. This is an excellent opportunity to take ownership of modernising and enhancing enterprise SharePoint environments … Design, develop and maintain custom solutions across SharePoint SE and SharePoint Online. Lead migration from SharePoint 2016 to SE/Online, including rewriting legacy web parts using SPFx. Build custom SPFx web parts, extensions and integrations using TypeScript, JavaScript, React, HTML/CSS, and REST APIs. Develop ...