Application Security Engineer - Cloud

Added 30/06/2026

Application Security Engineer You'll join a centralised Application Security team responsible for managing the full lifecycle of security findings reported by customers, internal teams, and third‑party testers.You'll triage real‑world vulnerability reports, reproduce issues in controlled environments, analyse platform‑level attack surfaces, and collaborate with engineering teams to validate fixes and guide remediation.Day to Day ResponsibilitiesValidate vunerabilities, assess scope and impact, determine severity, and recommend remediation paths.vulnerabilities across web, API, and server-side components and privilege escalation.Produce clear, accurate security assessments suitable for both engineering teams and executive level.Partner with development teams on defect filing, patch validation, backport decisions, and fix completeness.Recreate customer...

Application Security Engineer

Added 12/05/2026

Application Security Engineer ZZP / Freelance Industry: AAA Gaming Studio Location: Fully Remote (Netherlands) Contract Length: 12-18 monthsAbout the RoleA fast‑growing gaming studio is looking for an Application Security Engineer to embed secure development practices into their high‑velocity game and platform engineering teams. You'll help secure game engines, back‑end services, and player‑facing APIs used by millions worldwide.Key ResponsibilitiesConduct secure code reviews and help dev teams fix vulnerabilities.Integrate SAST, SCA, and DAST tools into build pipelines.Perform threat modelling on gameplay features and backend microservices.Respond to application‑level vulnerabilities and guide remediation efforts.Promote a developer‑friendly security culture within the studio.Skills & ExperienceStrong experience...

Field Application Engineer - HFC / DOCSIS 4.0

Added 30/04/2026

We are supporting a global broadband equipment manufacturer looking for a Field Application Engineer to support HFC access network products across North America. This role will focus on DOCSIS 4.0 deployments, HFC outside-plant equipment, RF troubleshooting, amplifier and optical/RF node support, and customer-facing technical engagement with major cable operators.This is a remote-based contract role with regular travel to customer/operator sites. The position has the opportunity to convert to a full-time role.The RoleThe Field Application Engineer will act as the technical bridge between product engineering, sales, and customer field teams. You will support the deployment, commissioning, troubleshooting, and optimization of HFC...

Application Engineer (AVD)

Added 22/04/2026

One of our clients is looking for a hands-on Application (AVD) Engineer to support a major application integration and migration programme following recent acquisitions. This is a key role focused on application packaging, deployment, and secure delivery within a modern Azure-based environment.Preston (Hybrid 2 days /week) 📅 6-Month Contract (outside IR 35) 💼 Immediate Start Key ResponsibilitiesPackage, test & deploy apps into Azure Virtual DesktopSupport and troubleshoot Microsoft AzureDeliver application on boarding & integrationOperate in a Zero Trust model using ZscalerSupport technical discovery, documentation & issue resolution✅ Essential Skills & ExperienceStrong experience with Azure Virtual Desktop (AVD)Application packaging (MSIX, App-V,...

Application Architect - Modernisation project

Added 13/07/2026

Solutions Architect - Tier 1 Bank - Canary Wharf Role - Application ArchitectDuration - 6 months with very likely extensionLocation - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf officeRate - £600 per day (Inside IR35)Experience -In depth understanding of Object Orientated programming concepts as well as of the full Software Development Life Cycle.Good understanding of MS .NET Framework environments.Knowledge and experience of Agile methodologyKnowledge of Cloud and AI technologies that can be adopted into the workplaceExtensive experience working as a software and solutions architect.Experience in designing of high-level concepts for software solutions.Experience in development...

Application Architect - Modernisation project

Added 06/07/2026

Solutions Architect - Tier 1 Bank - Canary Wharf Role - Application ArchitectDuration - 6 months with very likely extensionLocation - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf officeRate - £600 per day (Inside IR35)Experience -In depth understanding of Object Orientated programming concepts as well as of the full Software Development Life Cycle.Good understanding of MS .NET Framework environments.Knowledge and experience of Agile methodologyKnowledge of Cloud and AI technologies that can be adopted into the workplaceExtensive experience working as a software and solutions architect.Experience in designing of high-level concepts for software solutions.Experience in development...

Application Architect - Modernisation project

Added 29/06/2026

Solutions Architect - Tier 1 Bank - Canary Wharf Role - Application ArchitectDuration - 6 months with very likely extensionLocation - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf officeRate - £600 per day (Inside IR35)Experience -In depth understanding of Object Orientated programming concepts as well as of the full Software Development Life Cycle.Good understanding of MS .NET Framework environments.Knowledge and experience of Agile methodologyKnowledge of Cloud and AI technologies that can be adopted into the workplaceExtensive experience working as a software and solutions architect.Experience in designing of high-level concepts for software solutions.Experience in development...

Application Architect - Modernisation project

Added 17/06/2026

Solutions Architect - Tier Bank - Canary Wharf - 2 Stage interview process - ASAP start Role - Application ArchitectDuration - 6 months with very likely extensionLocation - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf officeRate - £600 per day (Inside IR35)Experience -In depth understanding of Object Orientated programming concepts as well as of the full Software Development Life Cycle.Good understanding of MS .NET Framework environments.Knowledge and experience of Agile methodologyKnowledge of Cloud and AI technologies that can be adopted into the workplaceExtensive experience working as a software and solutions architect.Experience in designing of...

Application Architect - Modernisation project

Added 10/06/2026

Solutions Architect - Tier Bank - Canary Wharf - 2 Stage interview process - ASAP start Role - Application ArchitectDuration - 6 months with very likely extensionLocation - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf officeRate - £650 per day (Inside IR35)Experience -In depth understanding of Object Orientated programming concepts as well as of the full Software Development Life Cycle.Good understanding of MS .NET Framework environments.Knowledge and experience of Agile methodologyKnowledge of Cloud and AI technologies that can be adopted into the workplaceExtensive experience working as a software and solutions architect.Experience in designing of...

IAM Application Developer | Python | GCP | Banking

Added 09/06/2026

Join a leading global banking client on a major Identity & Access Management (IAM) transformation programme.We're looking for an IAM-focused Developer with strong experience building secure identity solutions, cloud-native applications, and event-driven services IAM Application Developer | Python | GCP | Banking📍 London or Sheffield (Hybrid)📅 6-Month Contract🏦 Global Banking Environment✅ Strong IAM experience is essential✅ Python and cloud-native development background required❌ Not suited to Java-heavy profiles💡 Key Skills:* IAM / Identity Life cycle Management* Python Development* REST APIs & Microservices* Google Cloud Platform (GCP)* Pub/Sub & Event-Driven Architecture* OAuth2, OIDC, JWT, SAML* Terraform / Infrastructure as Code* Identity Orchestration...

Application Architect - Modernisation project

Added 21/05/2026

Solutions Architect - Tier Bank - Canary Wharf - 2 Stage interview process - ASAP start Role - Application ArchitectDuration - 6 months with very likely extensionLocation - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf officeRate - £750 per day (Inside IR35)Experience -In depth understanding of Object Orientated programming concepts as well as of the full Software Development Life Cycle.Good understanding of MS .NET Framework environments.Knowledge and experience of Agile methodologyKnowledge of Cloud and AI technologies that can be adopted into the workplaceExtensive experience working as a software and solutions architect.Experience in designing of...

Application Architect - Modernisation project

Added 14/05/2026

Solutions Architect - Tier Bank - Canary Wharf - 2 Stage interview process - ASAP start Role - Application ArchitectDuration - 6 months with very likely extensionLocation - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf officeRate - £750 per day (Inside IR35)Experience -In depth understanding of Object Orientated programming concepts as well as of the full Software Development Life Cycle.Good understanding of MS .NET Framework environments.Knowledge and experience of Agile methodologyKnowledge of Cloud and AI technologies that can be adopted into the workplaceExtensive experience working as a software and solutions architect.Experience in designing of...

Application packager- Hybrid

Added 22/04/2026

Knowledge, Skills & ExperienceProven experience working with Microsoft Azure, with a strong understanding of core platform servicesHands-on experience supporting or operating Azure Virtual Desktop (AVD) environments.Practical knowledge of Zscaler (or equivalent Secure Web Gateway / Zero Trust Network Access solutions) in an enterprise environmentExperience supporting application packaging and deployment, ideally in a virtual desktop or managed desktop environmentUnderstanding of Zero Trust security principles, particularly in relation to user access, application access and internet egressExperience working on IT integration, migration or transformation projects, preferably within complex or regulated environmentsAbility to gather, analyse and document technical information to support delivery activities and...

Security Architect (AppSec and Network Security) - B2B

Added 06/04/2026

Role: Security Architect (AppSec and Network Security) - B2BDuration: 6-month rolling contractWorking Pattern: Krakow, Hybrid (handful of days per month)GCS Cyber are partnered with a global financial services organisation undergoing multiple large-scale transformation programmes across their Cyber Security division. They are now looking for a Security Architect who has extensive experience managing end-to-end solution designs within large-scale transformation programmes with a heavy focus on Network Security and Application Security Proven experience producing high-level solution designs in line with business requirements.Proven ability to conduct security assessments and threat modelling to inform design decisions.Strong background in cybersecurity, with deep expertise in network...

Cyber Security Engineer (OUTSIDE IR35)

Added 14/07/2026

Cyber Security Engineer - Microsoft 365 & Azure6-Month Contract | Outside IR35 | £350-400 per day | Remote (UK) | 1-2 Days per Month On-Site (South West London)A leading public sector organisation is looking for a Cyber Security Engineer to support a major cyber security improvement programme.Working alongside the Cyber Security, Infrastructure and Platform teams, you'll help deliver a range of security enhancements across Microsoft 365, Azure and AWS, strengthening the organisation's overall security posture while improving identity, endpoint, cloud and data protection capabilities.This is a fantastic opportunity for someone who enjoys hands-on engineering and wants to be involved in...