37 application support engineer jobs found in London

Application Support Engineer (Windows & Enterprise Applications) Contract 12+ months (Inside IR35) Hybrid (2 days a week)   Job purpose Provide 2nd and 3rd line production operational support for our Business Systems, many of which are critical business. Provide remote and on-site support as part of the on-call support Rota. Take a lead role with the delivery of application releases for minor/major projects and programs.   Responsibilities Provide remote and onsite and support for our internally developed business critical applications and 3rd Party vendor packages through Dev, UAT Test and Prod. Manage and escalate problems as appropriate. Investigate defects or problems; work with the internal teams and external vendors to identify workarounds and support any fixes that are required as part of service improvement. Implement changes or fixes to applications. Support other technical changes being made which affect...

Application Support Engineer (Windows & Enterprise Applications) Contract 12+ months (Inside IR35) Hybrid (2 days a week)   Job purpose Provide 2nd and 3rd line production operational support for our Business Systems, many of which are critical business. Provide remote and on-site support as part of the on-call support Rota. Take a lead role with the delivery of application releases for minor/major projects and programs.   Responsibilities Provide remote and onsite and support for our internally developed business critical applications and 3rd Party vendor packages through Dev, UAT Test and Prod. Manage and escalate problems as appropriate. Investigate defects or problems; work with the internal teams and external vendors to identify workarounds and support any fixes that are required as part of service improvement. Implement changes or fixes to applications. Support other technical changes being made which affect...

Role description Front End Engineer (React.js) Location: London, UK (Hybrid) Employment Type: Fixed-Term Employment / Contract (Inside IR35)     About the Role We are looking for a talented Front End Engineer with strong React.js expertise to help build modern, intuitive, and scalable digital experiences. You will work closely with backend, cloud, and AI engineering teams to develop responsive user interfaces, integrate enterprise platforms, and deliver seamless user experiences powered by modern APIs and AI-driven services.     Key Responsibilities Design, develop, and maintain high-quality web applications using React.js. Build responsive and user-friendly interfaces that support complex enterprise workflows. Integrate AI and backend services through secure APIs and enterprise gateways. Collaborate with UX, product, and engineering teams to deliver intuitive user experiences. Develop and maintain...

Basic information Location London Business Line Technology & Transformation Job Type Contract Date published 10-Sep-2026 Req # 25106 Job description Job Title: Senior Threat Modeler (contract) Location: London Hybrid 2-3 days a week in the London office Duration: 4 months Contract Start Date: ASAP *please note that onboarding will take 4-6 weeks from the offer Day Rate: Competitive (Inside IR35)   Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with...

Contract - Cloud Network Engineer Basic information Location London Business Line Technology & Transformation Job Type Contract Date published 10-Sep-2026 Req # 25111 Job description Job Title: Cloud Network Engineer (contract) Location: London Hybrid 2-3 days a week in the London office Duration: 4 months Contract Start Date: ASAP *please note that onboarding will take 4-6 weeks from the offer Day Rate: Competitive (Inside IR35)   Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your...

Job Description: EXL (NASDAQ: EXLS) is a global data and artificial intelligence ("AI") company that offers services and solutions to reinvent client business models, drive better outcomes and unlock growth with speed. EXL harnesses the power of data, AI, and deep industry knowledge to transform businesses, including the world’s leading corporations in industries including insurance, healthcare, banking and financial services, media and retail, among others. EXL was founded in 1999 with the core values of innovation, collaboration, excellence, integrity and respect. We are headquartered in New York and have more than 60,000 employees spanning six continents. For more information, visit www.exlservice.com . Role: Lead Data Modeller BU/Segment: Banking / Analytics Location: London, United Kingdom (Hybrid working with 3 days a week in the office and travel to Halifax twice a month) Employment Type: Umbrella Contract (Inside IR35) to start ASAP. We are...

DevOps and Automation Engineer Contract: Outside IR35 Duration: 6 months   Why Tokio Marine HCC? Standing still is not an option in the current world of Insurance. TMHCC are one of the world’s leading Specialty Insurers. With deep expertise in our chosen lines of business, our unparalleled track record and a solid balance sheet, TMHCC evaluates and manages risk like no one else in the industry. Looking beyond profit, empowering our people and delivering on our commitments are at the core of our customer values, and so is a desire to grow and provide creative and innovative solutions to our clients.   This assignment will be to work with the DevOps and Automation Manager to create and deliver the DevOps and Automation roadmap with a heavy focus on “Everything Ephemeral” including Agentic AI and ephemeral environments.   Key responsibilities and deliverables: Liaise closely with IT Delivery Managers, including...

Codurance is a global software professional services consultancy, helping clients continuously deliver value through the adoption of quality practices and technical excellence. Software craftsmanship is at the heart of everything we do. We build well-crafted software and help development teams get better at continuously delivering software through the application of extreme programming practices and software craftsmanship values. In 2010, our founders started the London Software Craftsmanship Community (LSCC), now the largest and most active software craftsmanship community in the world, with more than 5,500 developers. Codurance was founded in 2013 and has carried that same community spirit ever since. This is an initial 6-month contract, inside IR35.   Day rate: £600 - £650 day (inside IR35) About the role Our client is a fast-growing, well-funded technology company operating a financially critical platform used by a global customer base,...

Role Summary The CyberArk Senior Engineer (C1) will lead onboarding planning, design validation, automation implementation, wave execution coordination, and technical governance activities across the PAM onboarding program. The role acts as the primary technical SME for onboarding, ensuring adherence to CyberArk standards, automation objectives, and operational readiness requirements. Role Details: Job Title: Senior CyberArk Engineer / Consultants - PAM Onboarding & Automation Client Industry: Energy / Utilities Contract Duration: 6 months (high possibility of extension) Work Mode: Hybrid (2–3 days per week in the London office) Location: London, UK, with occasional travel to Warwick for client meetings (Inside IR35) Start Date: ASAP Key Responsibilities Solution and Technical Leadership Lead CyberArk onboarding strategy and wave planning activities. Define onboarding approaches for VDI, VM, Windows, Linux,...

Job Description: EXL (NASDAQ: EXLS) is a global data and artificial intelligence ("AI") company that offers services and solutions to reinvent client business models, drive better outcomes and unlock growth with speed. EXL harnesses the power of data, AI, and deep industry knowledge to transform businesses, including the world’s leading corporations in industries including insurance, healthcare, banking and financial services, media and retail, among others. EXL was founded in 1999 with the core values of innovation, collaboration, excellence, integrity and respect. We are headquartered in New York and have more than 60,000 employees spanning six continents. For more information, visit www.exlservice.com . Role: Lead Data Modeller BU/Segment: Banking / Analytics Location: London, United Kingdom (Hybrid working with 3 days a week in the office and travel to Halifax twice a month) Employment Type: Umbrella Contract (Inside IR35) to start ASAP. We are...

Opticore IT is a specialist Network Engineer and Project Management consultancy offering a wide variety of opportunities to work within fast-paced, challenging environments across our client base spanning multiple sectors including Finance, Broadcast Media, Telecommunications and more. Opticore IT are currently searching for a Security Engineer who is highly competent with Zscaler to come and join the team for an initial 6 month contract inside IR35 with scope to extend. This opportunity will require two days a week on site in central London. This opportunity will deliver Zscaler tenant separation, policy build-out, and operational readiness across ZIA and ZPA for a large-scale corporate divestiture programme, building a net-new tenant for the retained entity and ensuring bidirectional separacy between entities ahead of Day 1. What You'll Be Doing Build and configure a new Zscaler tenant (ZIA and ZPA) as full net-new deployment for the retained entity...

Job Description: EXL (NASDAQ: EXLS) is a global data and artificial intelligence ("AI") company that offers services and solutions to reinvent client business models, drive better outcomes and unlock growth with speed. EXL harnesses the power of data, AI, and deep industry knowledge to transform businesses, including the world’s leading corporations in industries including insurance, healthcare, banking and financial services, media and retail, among others. EXL was founded in 1999 with the core values of innovation, collaboration, excellence, integrity and respect. We are headquartered in New York and have more than 60,000 employees spanning six continents. For more information, visit www.exlservice.com . Role: Lead Data Modeller BU/Segment: Banking / Analytics Location: London, United Kingdom (Hybrid working with 3 days a week in the office and travel to Halifax twice a month) Employment Type: Umbrella Contract (Inside IR35) to start ASAP. We are...

We’re looking for an EPOS & SCO Platform Engineer to build, configure, and support the in-store point of sale and self-checkout platforms across the estate. You’ll own the full lifecycle of Travel Money Kiosks, EPOS and Hospitality infrastructure, including till hardware, self-checkout units, peripherals, and backend systems—ensuring services are secure, compliant, resilient, and consistently deployed at scale. You’ll automate provisioning, configuration, updates, and monitoring so stores benefit from reliable transaction processing, seamless customer journeys, and minimal downtime. Success means stable retail operations, predictable performance, and confidence from store colleagues, product owners, and operations teams. This is a hybrid role where 3 days per week are expected on site in Bracknell. Requirements Role Responsibilities: Design, build, and maintain EPOS and SCO infrastructure (Tills, Self-Checkouts, peripherals,...

Full job description We’re looking for an EPOS & SCO Platform Engineer to build, configure, and support the in-store point of sale and self-checkout platforms across the estate. You’ll own the full lifecycle of Travel Money Kiosks, EPOS and Hospitality infrastructure, including till hardware, self-checkout units, peripherals, and backend systems—ensuring services are secure, compliant, resilient, and consistently deployed at scale. You’ll automate provisioning, configuration, updates, and monitoring so stores benefit from reliable transaction processing, seamless customer journeys, and minimal downtime. Success means stable retail operations, predictable performance, and confidence from store colleagues, product owners, and operations teams. This is a hybrid role where 3 days per week are expected on site in Bracknell. Requirements Role Responsibilities: Design, build, and maintain EPOS and SCO infrastructure (Tills,...

We’re looking for an EPOS & SCO Platform Engineer to build, configure, and support the in-store point of sale and self-checkout platforms across the estate. You’ll own the full lifecycle of Travel Money Kiosks, EPOS and Hospitality infrastructure, including till hardware, self-checkout units, peripherals, and backend systems—ensuring services are secure, compliant, resilient, and consistently deployed at scale. You’ll automate provisioning, configuration, updates, and monitoring so stores benefit from reliable transaction processing, seamless customer journeys, and minimal downtime. Success means stable retail operations, predictable performance, and confidence from store colleagues, product owners, and operations teams. This is a hybrid role where 3 days per week are expected on site in Bracknell. Requirements Role Responsibilities: Design, build, and maintain EPOS and SCO infrastructure (Tills, Self-Checkouts, peripherals,...

Full job description We’re looking for an EPOS & SCO Platform Engineer to build, configure, and support the in-store point of sale and self-checkout platforms across the estate. You’ll own the full lifecycle of Travel Money Kiosks, EPOS and Hospitality infrastructure, including till hardware, self-checkout units, peripherals, and backend systems—ensuring services are secure, compliant, resilient, and consistently deployed at scale. You’ll automate provisioning, configuration, updates, and monitoring so stores benefit from reliable transaction processing, seamless customer journeys, and minimal downtime. Success means stable retail operations, predictable performance, and confidence from store colleagues, product owners, and operations teams. This is a hybrid role where 3 days per week are expected on site in Bracknell. Requirements Role Responsibilities: Design, build, and maintain EPOS and SCO infrastructure (Tills,...

Senior Platform Engineer - Contract - Outside IR35 Full job description We’re looking for an EPOS & SCO Platform Engineer to build, configure, and support the in-store point of sale and self-checkout platforms across the estate. You’ll own the full lifecycle of Travel Money Kiosks, EPOS and Hospitality infrastructure, including till hardware, self-checkout units, peripherals, and backend systems—ensuring services are secure, compliant, resilient, and consistently deployed at scale. You’ll automate provisioning, configuration, updates, and monitoring so stores benefit from reliable transaction processing, seamless customer journeys, and minimal downtime. Success means stable retail operations, predictable performance, and confidence from store colleagues, product owners, and operations teams. This is a hybrid role where 3 days per week are expected on site in Bracknell. Requirements Role Responsibilities: Design,...

Senior Platform Engineer - Contract - Outside IR35 Full job description We’re looking for an EPOS & SCO Platform Engineer to build, configure, and support the in-store point of sale and self-checkout platforms across the estate. You’ll own the full lifecycle of Travel Money Kiosks, EPOS and Hospitality infrastructure, including till hardware, self-checkout units, peripherals, and backend systems—ensuring services are secure, compliant, resilient, and consistently deployed at scale. You’ll automate provisioning, configuration, updates, and monitoring so stores benefit from reliable transaction processing, seamless customer journeys, and minimal downtime. Success means stable retail operations, predictable performance, and confidence from store colleagues, product owners, and operations teams. This is a hybrid role where 3 days per week are expected on site in Bracknell. Requirements Role Responsibilities: Design,...

Opticore IT is a specialist Network Engineer and Project Management consultancy offering a wide variety of opportunities to work within fast-paced, challenging environments across our client base spanning multiple sectors including Finance, Broadcast Media, Telecommunications and more. Opticore IT are currently searching for a System Administrator who has experience working with CMDB administration and ITSM to come and join the team for a 3 month contract inside IR35 with scope to extend. This opportunity will require three days on site in Dunstable per week. This opportunity will work within a major UK hospitality brand supporting the ongoing maintenance, validation and improvement of Configuration Management and Service Information data within ServiceNow. What you'll be doing: Maintain and improve Configuration Item, Service and Service Offering records within ServiceNow, working across Infrastructure, Applications, Networks, Security and Service Management...

Role description DevOps & Cloud Platform Engineer Location: London, UK (Hybrid) Employment Type: Fixed-Term Employment / Contract (Inside IR35)   We are seeking an experienced DevOps & Cloud Platform Engineer to support the delivery of secure, scalable, and highly reliable cloud-native solutions. Working within a modern AWS environment, you will play a key role in automating infrastructure, strengthening platform security, enhancing observability, and enabling efficient software delivery through CI/CD best practices.   Key Responsibilities: Design, deploy, and manage AWS cloud infrastructure using Terraform and Infrastructure as Code (IaC) principles. Ensure secure cloud operations through robust IAM, access control, and security best practices. Build and maintain scalable, resilient, and highly available platforms and services. Develop and optimise CI/CD pipelines to support rapid, reliable software delivery....