1 to 25 of 28 Integration Engineer Jobs in London

Integration Engineer Permanent - Up to £49,500 Hybrid - London or Birmingham I'm representing an indsutry leading client operating within the Food and Beverage industry who have just released an exciting new role! We're looking for a skilled Integration Engineer to design, build, and maintain high-quality, reusable integrations and APIs that drive value across … a global enterprise. This role is ideal for someone with hands-on MuleSoft experience and a passion for building secure, scalable solutions. Key Responsibilities: Design and prototype integration and API solutions Develop and configure integrations to meet business needs Monitor and maintain integration performance and reliability Diagnose and resolve faults to ensure smooth operations Collaborate with cross-functional … external vendors Contribute to project delivery and continuous improvement initiatives What We're Looking For: Essential : 1+ year of experience engineering APIs and integrations using MuleSoft Strong understanding of integration patterns and secure development practices Desirable : Degree in Computer Science, Engineering, or related field Experience in global or complex enterprise environments MuleSoft Developer I certification Additional language skills You More ❯

Integration Engineer Permanent - Up to £49,500 Hybrid - Central London Based I'm representing an industry leading client operating within the Food and Beverage industry who have just released an exciting new role! We're looking for a skilled Integration Engineer to design, build, and maintain high-quality, reusable integrations and APIs that drive value across … a global enterprise. This role is ideal for someone with hands-on MuleSoft experience and a passion for building secure, scalable solutions. Key Responsibilities: Design and prototype integration and API solutions Develop and configure integrations to meet business needs Monitor and maintain integration performance and reliability Diagnose and resolve faults to ensure smooth operations Collaborate with cross-functional … external vendors Contribute to project delivery and continuous improvement initiatives What We’re Looking For: Essential : 1+ year of experience engineering APIs and integrations using MuleSoft Strong understanding of integration patterns and secure development practices Desirable : Degree in Computer Science, Engineering, or related field Experience in global or complex enterprise environments MuleSoft Developer I certification Additional language skills You More ❯

Workday Integration Engineer 12 month Fixed Term Contract Up to £62,000 Hybrid – 1 day every 2 weeks to 1 month Two office locations to chose from (Basingstoke or Wembley) We're partnering with a leading organisation who are looking for an experienced Workday Integration Engineer to join their team on a 12-month fixed-term … contract. Due to the scale of ongoing integration projects, there is strong potential for extension. Hands-on knowledge of Workday integration tools including Studio would be preferred. As they roll out Workday across their HR and Finance teams, you'll play a key role in building and maintaining the integrations that underpin this transformation. What You’ll Be … and deploy near real-time Workday-native integrations using tools such as Workday Studio, EIB, and APIs Work closely with stakeholders to understand requirements and select the most effective integration design and tooling Diagnose and resolve integration issues, using appropriate debugging and monitoring tools What We’re Looking For Proven experience in a similar integration role with More ❯

Senior Integration Engineer Up to £90,000 DOE London I’m working with a well-established organisation that’s embarking on a major platform modernisation and integration transformation . The business operates across several dynamic streams - including external partnerships - and is now investing in a new generation of API-driven and messaging-based infrastructure. They’re looking … for a Senior Integration Engineer to take a technical lead role in shaping how systems communicate, scale, and deliver value across the business. The Role You’ll be responsible for designing and developing high-performance integrations that connect core systems and partners, using C#, Python, and Azure cloud technologies . This is a hands-on engineering role that … also offers the opportunity to influence architecture, best practices, and technology direction. What You’ll Be Doing Designing, building, and maintaining high-throughput, reliable integration components using C# and Python Developing and optimising SQL interactions that underpin APIs and message-driven workflows Implementing asynchronous messaging via Azure Service Bus (or similar) to decouple systems and ensure scalability and resilience More ❯

Senior Integration Engineer Up to £90,000 DOE London I’m working with a well-established organisation that’s embarking on a major platform modernisation and integration transformation . The business operates across several dynamic streams - including external partnerships - and is now investing in a new generation of API-driven and messaging-based infrastructure. They’re looking … for a Senior Integration Engineer to take a technical lead role in shaping how systems communicate, scale, and deliver value across the business. The Role You’ll be responsible for designing and developing high-performance integrations that connect core systems and partners, using C#, Python, and Azure cloud technologies . This is a hands-on engineering role that … also offers the opportunity to influence architecture, best practices, and technology direction. What You’ll Be Doing Designing, building, and maintaining high-throughput, reliable integration components using C# and Python Developing and optimising SQL interactions that underpin APIs and message-driven workflows Implementing asynchronous messaging via Azure Service Bus (or similar) to decouple systems and ensure scalability and resilience More ❯

Mainframe Integration Engineer We're supporting a major digital banking programme and looking for an experienced Mainframe Integration Engineer to help modernise mission-critical payment systems. This role sits across Legacy and modern stacks - linking CICS/Db2 on z/OS with Java/Spring APIs on AWS. This will be Hybrid London (two days … and Mainframe data structures IBM DataPower & API Mediation Configuring MPGW & WSP services Implementing AAA, OAuth2/JWT, MTLS, WS-Security policies Building transformations (XSLT/GatewayScript) Mainframe and Cloud Integration Integrating with AWS API Gateway/TYK Building Java/Spring Boot microservices aligned to payment services Essential experience: 12+ years with z/OS, CICS and Db2 Strong More ❯

Job title: Front Office Integration Engineer Client: Elite FinTech Salary: £70,000-£120,000 + Bonus Experience Level: 3-8 Years Location: London Skills: Linux, Bash, Python, FIX, SQL, Front Office The role: My client is looking for a Front Office Integration Engineer to join their team. You will work in a close knit team providing … Integration and Onboarding services. Core responsibilities: Ensuring Exchange connectivity with various venues FIX onboarding for customers Software releases into Production Migration and deployment of new systems into production environments Working with stakeholders and development teams to define project scopes Identifying project issues/blockers Providing reporting to management Core skills required: Understanding of Front Office operations and Trade Flow More ❯

Job title: Front Office Integration Engineer Client: Elite FinTech Salary: £70,000-£120,000 + Bonus Experience Level: 3-8 Years Location: London Skills: Linux, Bash, Python, FIX, SQL, Front Office The role: My client is looking for a Front Office Integration Engineer to join their team. You will work in a close knit team providing … Integration and Onboarding services. Core responsibilities: Ensuring Exchange connectivity with various venues FIX onboarding for customers Software releases into Production Migration and deployment of new systems into production environments Working with stakeholders and development teams to define project scopes Identifying project issues/blockers Providing reporting to management Core skills required: Understanding of Front Office operations and Trade Flow More ❯

Job Title: Software Integration Engineer Location: London, UK Type: Permanent You will have an interest in video and compression technology along with mobile and desktop system level development. You’ll have a proactive nature and ability to listen and contribute to wide ranging technical discussions. Responsibilities: A significant responsibility of the integrations engineer will be developing and … maintaining the integration of LCEVC (MPEG5 Part 2) into multiple operating environments with both encode and decoder capability, these include: Android (Android X/ExoPlayer for playback) iOS (AVPlayer and VTDS/VTCS frameworks), FFmpeg, JavaScript based web decoders, native Chromium browser and WebRTC, ALVR (Air Light VR). Working with the decoder and encoder teams to support maintenance … and improvements in the core C++ codec integration layers. Integration work for other compression solutions, such as VC6 and point cloud compression, into different video editing and creation applications. Engaging with the open-source community to contribute changes upstream to video player open-source projects and assist with their integration of LCEVC. Development activity planning, including sprint More ❯

Job Title: Software Integration Engineer Location: London, UK Type: Permanent You will have an interest in video and compression technology along with mobile and desktop system level development. You’ll have a proactive nature and ability to listen and contribute to wide ranging technical discussions. Responsibilities: A significant responsibility of the integrations engineer will be developing and … maintaining the integration of LCEVC (MPEG5 Part 2) into multiple operating environments with both encode and decoder capability, these include: Android (Android X/ExoPlayer for playback) iOS (AVPlayer and VTDS/VTCS frameworks), FFmpeg, JavaScript based web decoders, native Chromium browser and WebRTC, ALVR (Air Light VR). Working with the decoder and encoder teams to support maintenance … and improvements in the core C++ codec integration layers. Integration work for other compression solutions, such as VC6 and point cloud compression, into different video editing and creation applications. Engaging with the open-source community to contribute changes upstream to video player open-source projects and assist with their integration of LCEVC. Development activity planning, including sprint More ❯

Integration Engineer M&A project My client in the Insurance industry are searching for multiple Engineers to join the M&A Project. This role forms part of a distributed, global infrastructure team that is responsible for the continued availability and support of a hybrid on-premise and cloud infrastructure. Key Skills Experience of working on M&A projects … Demonstrate extensive experience working as a cloud/infrastructure engineer/senior engineer or in similar IT roles. Hands on experience of having performed Exchange migrations between organisations or M365 migrations between tenants. Hands on experience of having performed migrations of Windows Servers to Azure IaaS. Extensive experience working with multi-site and multi forest Active Directory environments More ❯

Market Data Integration Engineer London | Hybrid | Permanent If you live and breathe Linux, love solving complex technical problems, and want to apply that expertise in a high-performance trading environment - this is for you. Were supporting a global investment firm in growing their Market Data Integration team - the group responsible for ensuring that real-time and historical … market data flows seamlessly across their trading and research platforms. This isnt a developer role or a reactive support position. Its a hands-on technical integration role, sitting between infrastructure, DevOps, and Market Data operations - perfect for someone from an application or front-office support background who wants to step up into more ownership and project delivery. What youll More ❯

Market Data Integration Engineer London | Hybrid | Permanent If you live and breathe Linux, love solving complex technical problems, and want to apply that expertise in a high-performance trading environment - this is for you. We’re supporting a global investment firm in growing their Market Data Integration team - the group responsible for ensuring that real-time and … historical market data flows seamlessly across their trading and research platforms. This isn’t a developer role or a reactive support position. It’s a hands-on technical integration role, sitting between infrastructure, DevOps, and Market Data operations - perfect for someone from an application or front-office support background who wants to step up into more ownership and project More ❯

Market Data Integration Engineer London | Hybrid | Permanent If you live and breathe Linux, love solving complex technical problems, and want to apply that expertise in a high-performance trading environment - this is for you. We’re supporting a global investment firm in growing their Market Data Integration team - the group responsible for ensuring that real-time and … historical market data flows seamlessly across their trading and research platforms. This isn’t a developer role or a reactive support position. It’s a hands-on technical integration role, sitting between infrastructure, DevOps, and Market Data operations - perfect for someone from an application or front-office support background who wants to step up into more ownership and project More ❯

Job title: Integration Engineer – FIX, Linux, SQL, Front Office Client: FinTech Salary: £70,000-£120,000 Location: London/Hybrid Skills: Linux, SQL, Python, Bash, FIX The role: My client are seeking an individual with experience ideally working in the Front Office. You will work closely with a number of different teams who focus on the Trading Production … environment. Responsibilities: Integration of new products into the Production environment Project Management of projects large and small – application rollouts and implementation Providing support to various teams, and for the Production environment Maintaining EoL procedures for hardware and software Working with 3rd parties Support for newly released applications Automation of tasks wherever possible for efficiency You will have: Experience working … in a Production Support or Integration role within Financial Services Front Office experience ideally Linux SQL Python/Bash FIX Please apply ASAP for more information. More ❯

Job title: Integration Engineer – FIX, Linux, SQL, Front Office Client: FinTech Salary: £70,000-£120,000 Location: London/Hybrid Skills: Linux, SQL, Python, Bash, FIX The role: My client are seeking an individual with experience ideally working in the Front Office. You will work closely with a number of different teams who focus on the Trading Production … environment. Responsibilities: Integration of new products into the Production environment Project Management of projects large and small – application rollouts and implementation Providing support to various teams, and for the Production environment Maintaining EoL procedures for hardware and software Working with 3rd parties Support for newly released applications Automation of tasks wherever possible for efficiency You will have: Experience working … in a Production Support or Integration role within Financial Services Front Office experience ideally Linux SQL Python/Bash FIX Please apply ASAP for more information. More ❯

Senior Control Systems Engineer (Control Systems Integration) Location: UK-wide travel | Full-time | Competitive Salary + Benefits + Career Progression Are you an experienced control systems engineer ready to lead projects and drive innovation in the automation industry? Join Adsyst Automation , a trusted industry leader with over 35 years of expertise, and work in a team where … your skills are valued, your ideas are encouraged, and your career can truly grow. About the Role As a Senior Control Systems Engineer , youll play a key role in the full life cycle of control system integration projects , from design and development through to programming, testing, and commissioning. This is a hands-on senior engineering role where you More ❯

.NET/C# Integration Developer – 12 to 18 Months Fixed Term Contract – Up £60k per annum My leading client within the government and private sector is seeking experienced Integration Developers to assist with the integration of a number of third-party systems with my client’s digital environment. The successful candidates will have strong .NET, C#, Azure … and integration experience and skills. This is a remote working role working one to two days per week in my clients London based office. Skills and experience required - C#/.Net - Third Party Integration/API - Azure - Logic Apps/Function Apps - DevOps - CI/CD pipelines for deployment - SQLServer - Agile The interview process for this opportunity is More ❯

.NET/C# Integration Developer – 12 to 18 Months Fixed Term Contract – Up £60k per annum My leading client within the government and private sector is seeking experienced Integration Developers to assist with the integration of a number of third-party systems with my client’s digital environment. The successful candidates will have strong .NET, C#, Azure … and integration experience and skills. This is a remote working role working one to two days per week in my clients London based office. Skills and experience required - C#/.Net - Third Party Integration/API - Azure - Logic Apps/Function Apps - DevOps - CI/CD pipelines for deployment - SQLServer - Agile The interview process for this opportunity is More ❯

Oracle Cloud Integration - Oracle Fusion - OIC - 6 month contract - London (Hybrid) - SC Clearance I am working with a public sector client who are looking for an Oracle Cloud Integration Consultant for their ongoing Trasnformation programme. Due to the urgency and nature of the work involved, candidates with active SC clearance will be preferred. The role will focus on … building and maintaining cloud-based integrations, working with Oracle Fusion applications and Oracle Integration Cloud (OIC) using a SecDevOps approach. As such, I am keen to speak with candidates who have experience of the following: Proven background in software development, including cloud-based integration projects Hands-on experience with Oracle Integration Cloud (OIC) Solid background with Oracle … unit testing integrations and web services (SOAP/REST/JSON) Practical use of Oracle VBCS for custom development Familiarity with system interfaces in a PaaS environment Knowledge of integration technologies: OAuth, IAM, JWT, Git, XML, JSON, XSLT, Postman, Curl Ability to work collaboratively in a team and communicate effectively (written and verbal) Desirable experience and skills Awareness of More ❯

Senior Backend Engineer (Telco Integration Lead) We are seeking a deeply technical and security-minded Senior Backend Engineer to join a newly-founded, high-impact AI joint venture. Backed by five of the world's leading telecommunications giants, our mission is to restore trust in global voice communication . This is not a standard backend role. We … are seeking a foundational engineer to own our single greatest strategic asset: our unique, privileged access to network-level intelligence via the GSMA CAMARA API standard. This is our right to win, and you will be the engineer responsible for building the bridge to it. You will be the Critical Path Owner for Track Zero, the 30-day … category of network-aware security, working directly with the world's leading carriers to turn their network data into a real-time defense against global fraud. Key Responsibilities Telco Integration & Architecture ? Own and build the Security Signal Ingestion path, the secure, low-latency, and out-of-band data channel connecting to our founding members' network API gateways. ? Architect and More ❯

Senior Android Engineer (Native Integration & Security) We are seeking an exceptional Senior Android Engineer to join a newly-founded joint venture backed by five of the world's leading telecommunications companies. Our mission is to restore trust in voice communication by building a network-native intelligence layer to combat the global epidemic of voice fraud and AI … a unique opportunity to build a category-defining security product from the ground up, leveraging proprietary, network-level data that no pure-OTT competitor can access. Key ResponsibilitiesNative OS Integration & Performance Architect, build, and own the entire native call interception flow using Android's CallScreeningService to intercept and analyze calls as they ring. Design and engineer the high … to consume and display Explainable AI reasoning (eg, Recent SIM Swap Detected, Verified Business) provided by our Back End services. Build a robust, efficient, and scalable client-side API integration layer to consume Real Time security signals (like our proprietary Scam_Score) from the AI Core. Security & Quality Implement and champion our mandatory Zero Trust security architecture at the More ❯

Senior Android Engineer (Native Integration & Security) We are seeking an exceptional Senior Android Engineer to join a newly-founded joint venture backed by five of the world's leading telecommunications companies. Our mission is to restore trust in voice communication by building a network-native intelligence layer to combat the global epidemic of voice fraud and AI … unique opportunity to build a category-defining security product from the ground up, leveraging proprietary, network-level data that no pure-OTT competitor can access. Key Responsibilities Native OS Integration & Performance ? Architect, build, and own the entire native call interception flow using Android's CallScreeningService to intercept and analyze calls as they ring. ? Design and engineer the high … logic to consume and display Explainable AI reasoning (e.g., Recent SIM Swap Detected, Verified Business) provided by our backend services. ? Build a robust, efficient, and scalable client-side API integration layer to consume real-time security signals (like our proprietary Scam_Score) from the AI Core. Security & Quality ? Implement and champion our mandatory Zero Trust security architecture at the More ❯

Senior Backend Engineer (Telco Integration Lead) We are seeking a deeply technical and security-minded Senior Backend Engineer to join a newly-founded, high-impact AI joint venture. Backed by five of the world's leading telecommunications giants, our mission is to restore trust in global voice communication . This is not a standard backend role click More ❯

Job Title: Windows Application Support Engineer – Windows COTS & Integrations Location: Canary Wharf, UK Department: Application Platform Operations/Application Services Purpose of the Role : To ensure the reliable operation, maintenance, and upgrade of Windows-based COTS software, as well as to manage integrations with identity/authentication systems (e.g. Okta), IIS web servers, and supporting scripting to automate, monitor More ❯