16 senior platform engineer jobs found

Senior AWS Engineer - Up to £500 per day 6 month initial contract Fully Remote - UK Based Outside IR35 Role Overview We are seeking an experienced Senior AWS Engineer to join our Professional Services delivery team on a fixed term basis to support the delivery of a major AWS migration and separation programme for an enterprise customer. This role will form part of a multi-disciplinary delivery team working alongside Solution Architects, Project Managers, and customer technical stakeholders to build, migrate, and deploy AWS infrastructure and application services as part of a structured separation of an existing hybrid estate into a new AWS Organisation. The successful candidate will play a hands-on role in delivering landing zone implementation, networking build activities, server migration, and application platform deployment using Infrastructure as Code (IaC) approaches. This is a customer-facing delivery role within a professional services consultancy...

Senior AWS Engineer - Up to £500 per day 6 month initial contract Fully Remote - UK Based Outside IR35 Role Overview We are seeking an experienced Senior AWS Engineer to join our Professional Services delivery team on a fixed term basis to support the delivery of a major AWS migration and separation programme for an enterprise customer. This role will form part of a multi-disciplinary delivery team working alongside Solution Architects, Project Managers, and customer technical stakeholders to build, migrate, and deploy AWS infrastructure and application services as part of a structured separation of an existing hybrid estate into a new AWS Organisation. The successful candidate will play a hands-on role in delivering landing zone implementation, networking build activities, server migration, and application platform deployment using Infrastructure as Code (IaC) approaches. This is a customer-facing delivery role within a professional services consultancy...

Senior AWS Engineer - Up to £500 per day 6 month initial contract Fully Remote - UK Based Outside IR35 Role Overview We are seeking an experienced Senior AWS Engineer to join our Professional Services delivery team on a fixed term basis to support the delivery of a major AWS migration and separation programme for an enterprise customer. This role will form part of a multi-disciplinary delivery team working alongside Solution Architects, Project Managers, and customer technical stakeholders to build, migrate, and deploy AWS infrastructure and application services as part of a structured separation of an existing hybrid estate into a new AWS Organisation. The successful candidate will play a hands-on role in delivering landing zone implementation, networking build activities, server migration, and application platform deployment using Infrastructure as Code (IaC) approaches. This is a customer-facing delivery role within a professional services consultancy...

Senior VMware Telco Cloud Escalation Engineer - Remote / Flexible This role is for a senior VMware specialist supporting complex, mission-critical VMware environments within the telecoms sector . It sits within a global remote support team and is focused on helping enterprise/telco customers resolve high-impact technical issues across the VMware Telco Cloud stack. This is not basic ticket support. The work is centred around complex troubleshooting, platform stabilisation, lifecycle support, performance issues and senior-level customer guidance across environments where uptime, reliability and service assurance are critical. You'd be acting as an escalation SME across VMware SDDC and Telco Cloud technologies, helping customers diagnose problems, implement fixes, advise on best practice and support ongoing operational improvements. Key requirements 10+ years' VMware experience 5+ years' VMware experience in a telecoms environment Strong experience across: ESXi, vSphere...

Senior VMware Telco Cloud Escalation Engineer - Remote/Flexible This role is for a senior VMware specialist supporting complex, mission-critical VMware environments within the telecoms sector . It sits within a global remote support team and is focused on helping enterprise/telco customers resolve high-impact technical issues across the VMware Telco Cloud stack. This is not basic ticket support. The work is centred around complex troubleshooting, platform stabilisation, life cycle support, performance issues and senior-level customer guidance across environments where uptime, reliability and service assurance are critical. You'd be acting as an escalation SME across VMware SDDC and Telco Cloud technologies, helping customers diagnose problems, implement fixes, advise on best practice and support ongoing operational improvements. Key requirements 10+ years' VMware experience 5+ years' VMware experience in a telecoms environment Strong experience across: ESXi,...

Typescript Engineer | £400p/d | Outside IR35 | 3 months | Fully Remote (UK) I am currently working with a HealthTech who are looking for a Typescript Engineer to contribute to their platform during an period of growth. The client is looking for someone that has very strong Typescript/Node and either AWS or GCP expertise. You'll and can scale Back End services, architecture, cloud-based solutions and API design. Skills: Typescript Node AWS or GCP 2 stage interview process and start within 2 weeks. *The role is only open to UK based candidates* They want somebody to start within 2 weeks so if you are available immediately please get in touch directly with your latest CV. Typescript Engineer | £400p/d | Outside IR35 | 3 months | Fully Remote (UK)

Senior iOS Engineer (Contract) | Swift, UIKit, MVVM, Snapshot Testing, ActivityKit | High-Traffic Consumer App | £400/day | Remote (UK) | 6-Month initial Contract, Likely extensions | Outside IR35 We’re hiring a Senior iOS Engineer (contractor) to join a cross-functional product team delivering high-quality mobile experiences for a widely used, consumer-facing platform. You’ll be joining a collaborative, quality-driven environment where engineering excellence, performance, and user experience are taken seriously. This is a 6-month initial contract , ideal for senior engineers who enjoy owning technical decisions, mentoring others, and shipping production-grade features in complex environments. The Role | Senior iOS Engineer (Contract) | Swift, UIKit, MVVM, Snapshot Testing, ActivityKit | High-Traffic Consumer App | £400/day | Remote (UK) | 6-Month initial Contract, Likely extensions | Outside IR35 This is a hands-on senior role with strong influence...

Senior iOS Engineer (Contract) | Swift, UIKit, MVVM, Snapshot Testing, ActivityKit | High-Traffic Consumer App | £400/day | Remote (UK) | 6-Month initial Contract, Likely extensions | Outside IR35 We’re hiring a Senior iOS Engineer (contractor) to join a cross-functional product team delivering high-quality mobile experiences for a widely used, consumer-facing platform. You’ll be joining a collaborative, quality-driven environment where engineering excellence, performance, and user experience are taken seriously. This is a 6-month initial contract , ideal for senior engineers who enjoy owning technical decisions, mentoring others, and shipping production-grade features in complex environments. The Role | Senior iOS Engineer (Contract) | Swift, UIKit, MVVM, Snapshot Testing, ActivityKit | High-Traffic Consumer App | £400/day | Remote (UK) | 6-Month initial Contract, Likely extensions | Outside IR35 This is a hands-on senior role with strong influence...

Senior iOS Engineer (Contract) | Swift, UIKit, MVVM, Snapshot Testing, ActivityKit | High-Traffic Consumer App | £400/day | Remote (UK) | 6-Month initial Contract, Likely extensions | Outside IR35 We’re hiring a Senior iOS Engineer (contractor) to join a cross-functional product team delivering high-quality mobile experiences for a widely used, consumer-facing platform. You’ll be joining a collaborative, quality-driven environment where engineering excellence, performance, and user experience are taken seriously. This is a 6-month initial contract , ideal for senior engineers who enjoy owning technical decisions, mentoring others, and shipping production-grade features in complex environments. The Role | Senior iOS Engineer (Contract) | Swift, UIKit, MVVM, Snapshot Testing, ActivityKit | High-Traffic Consumer App | £400/day | Remote (UK) | 6-Month initial Contract, Likely extensions | Outside IR35 This is a hands-on senior role with strong influence...

Frontend Vue.js Developer Location: UK Remote (UK-based candidates only) Contract: Rolling 3-Month Contract Rate: £250-£300 per day IR35 Status: Outside IR35 Please note: Sponsorship is not available for this role. Overview A growing technology-led organisation is looking for a Frontend Vue.js Developer to join its software engineering function on a contract basis. You'll work within a smaller agile squad responsible for developing, enhancing, and maintaining key business systems and integrations. This is an excellent opportunity to contribute to modern frontend applications while collaborating closely with engineering and wider business teams in a fast-paced environment. The Role You will play a key role in the development and enhancement of business-critical systems, contributing to both technical delivery and engineering best practices. Working closely with senior engineers and cross-functional stakeholders, you'll help design and build scalable frontend...

Frontend Vue.js Developer Location: UK Remote (UK-based candidates only) Contract: Rolling 3-Month Contract Rate: £250-£300 per day IR35 Status: Outside IR35 Please note: Sponsorship is not available for this role. Overview A growing technology-led organisation is looking for a Frontend Vue.js Developer to join its software engineering function on a contract basis. You’ll work within a smaller agile squad responsible for developing, enhancing, and maintaining key business systems and integrations. This is an excellent opportunity to contribute to modern frontend applications while collaborating closely with engineering and wider business teams in a fast-paced environment. The Role You will play a key role in the development and enhancement of business-critical systems, contributing to both technical delivery and engineering best practices. Working closely with senior engineers and cross-functional stakeholders, you’ll help design and build scalable...

Frontend Vue.js Developer Location: UK Remote (UK-based candidates only) Contract: Rolling 3-Month Contract Rate: £250-£300 per day IR35 Status: Outside IR35 Please note: Sponsorship is not available for this role. Overview A growing technology-led organisation is looking for a Frontend Vue.js Developer to join its software engineering function on a contract basis. You'll work within a smaller agile squad responsible for developing, enhancing, and maintaining key business systems and integrations. This is an excellent opportunity to contribute to modern frontend applications while collaborating closely with engineering and wider business teams in a fast-paced environment. The Role You will play a key role in the development and enhancement of business-critical systems, contributing to both technical delivery and engineering best practices. Working closely with senior engineers and cross-functional stakeholders, you'll help design and build scalable frontend...

Power Apps Test Engineer Outside IR35 3 months - potential for extension £300 - £350 per day Must hold valid SC Clearance Fully remote iO are working with an established and rapidly growing Digital agency in their search for an experienced Power apps Tester to join them on an initial 3 month contract basis They work with global technology leaders to provide digital transformation services to a number of customers in industries including not-for-profit, financial services and the pubic sector This specific project is supporting a Gov agency who are transitioning from a legacy platform to Power Apps You will be responsible for planning, creating and executing manual tests to ensure quality, reliability and delivery of user stories and acceptance criteria for a highly customised Microsoft Dynamics solution. Must have experience in testing one or more of the following: Minimum of 3 years' experience in manual testing ISTQB...

Systems Integration Engineer | E-commerce | Shopify | Fully Remote | £280 Outside IR35 We’re partnered with a rapidly scaling global e-commerce organisation transforming how cross-border digital commerce operates. With a complex, multi-tenant platform spanning multiple regions, currencies, and languages, they’re investing heavily in their integration capabilities to support continued growth. As part of this journey, they’re looking for a Systems Integration Engineer to take ownership of client and vendor onboarding, ensuring seamless connectivity across a wide ecosystem of platforms and services 🌍 💰 Upto £280/Day (Outside IR35) 📍 Fully Remote 📅 6 Month Contract You’ll work across product catalogues, order provisioning, and key third-party systems including payments, tax engines, and CRM tools — playing a critical role in maintaining and enhancing platform performance. 💡 What you’ll be doing: Leading end-to-end client & vendor...

Systems Integration Engineer | E-commerce | Shopify | Fully Remote | £280 Outside IR35 We’re partnered with a rapidly scaling global e-commerce organisation transforming how cross-border digital commerce operates. With a complex, multi-tenant platform spanning multiple regions, currencies, and languages, they’re investing heavily in their integration capabilities to support continued growth. As part of this journey, they’re looking for a Systems Integration Engineer to take ownership of client and vendor onboarding, ensuring seamless connectivity across a wide ecosystem of platforms and services 🌍 💰 Upto £280/Day (Outside IR35) 📍 Fully Remote 📅 6 Month Contract You’ll work across product catalogues, order provisioning, and key third-party systems including payments, tax engines, and CRM tools — playing a critical role in maintaining and enhancing platform performance. 💡 What you’ll be doing: Leading end-to-end client & vendor...

Costello & Reyes Group Ltd has been engaged by its client, an international Pharma firm, to identify an SC Cleared Security Architect Lead for an initial 6 month engagement ( with a likelihood to extend). The Security Architect Lead will be responsible for leading the design and implementation of a Zero Trust Architecture (ZTA) framework aligned to NIST SP 800-207 Zero Trust Architecture principles. This is a strategic role focused on enhancing the organisation's security posture by implementing identity-centric, policy-driven access controls across a hybrid and cloud-first environment. Acting as the key interface between senior client stakeholders and subject matter experts (SMEs), the successful candidate will ensure that architectural decisions are robust, aligned to best practice, and deliverable within the organisation's technical and operational landscape. YOU WILL NEED TO HOLD VALID SC CLEARANCE Key Responsibilities Lead the end-to-end design and delivery...