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Cowdray Centre
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Senior Backend Engineer | High-Growth Cybersecurity Scale-Up | Fully Remote (UK) Are you ready to build the core systems that power one of the fastest-growing cybersecurity platforms on the planet? This is your chance to join a research-driven, venture-backed security scale-up thats trusted by some of the worlds biggest enterprises and critical infrastructure providers. Recognised by Gartner, armed with funding, and scaling aggressively worldwide, theyre on a mission to reshape how organisations stay ahead of real-world cyber threats. As aSenior Backend Engineer, youll play a key role in building scalable, high-performance backend systems that ingest, process, and serve data on millions of assetshelping global security teams uncover exposures before attackers do. * Designing and building backend services and data pipelines powering a cutting-edge cybersecurity platfor
Senior Backend Engineer | High-Growth Cybersecurity Scale-Up | Fully Remote (UK) Are you ready to build the core systems that power one of the fastest-growing cybersecurity platforms on the planet? This is your chance to join a research-driven, venture-backed security scale-up thats trusted by some of the worlds biggest enterprises and critical infrastructure providers. Recognised by Gartner, armed with funding, and scaling aggressively worldwide, theyre on a mission to reshape how organisations stay ahead of real-world cyber threats. As aSenior Backend Engineer, youll play a key role in building scalable, high-performance backend systems that ingest, process, and serve data on millions of assetshelping global security teams uncover exposures before attackers do. * Designing and building backend services and data pipelines powering a cutting-edge cybersecurity platfor
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Senior Full Stack Engineer (React, NextJS, Typescript, NestJS)
Senior Full Stack Engineer (React, NextJS, Typescript, NestJS)
XACT PLACEMENTS LIMITED
London
Unspecified
Senior Full Stack Engineer | Cybersecurity Scale-Up | Fully Remote (UK) Want to use your full stack skills to help stop real-world cyber attacks? This is your chance to join afast-growing, VC-backed cybersecurity innovator, recognised by Gartner and trusted by Fortune 500s and critical infrastructure providers worldwide. Theyre building cutting-edge technology that helps organisations continuously understand how they could be compromised and theyre scaling fast. Now, theyre looking for aSenior Full Stack Engineerto join their team, where youll help shape the customer experience for some of the worlds largest enterprises. * Designing and developingenterprise-grade SaaS featuresacross backend and frontend systems * Building secure, scalable, and high-performing APIs and services (NestJS, GraphQL, REST) * Creatingdata-driven dashboards and UIswith React, Next.js, and Cha
Senior Full Stack Engineer | Cybersecurity Scale-Up | Fully Remote (UK) Want to use your full stack skills to help stop real-world cyber attacks? This is your chance to join afast-growing, VC-backed cybersecurity innovator, recognised by Gartner and trusted by Fortune 500s and critical infrastructure providers worldwide. Theyre building cutting-edge technology that helps organisations continuously understand how they could be compromised and theyre scaling fast. Now, theyre looking for aSenior Full Stack Engineerto join their team, where youll help shape the customer experience for some of the worlds largest enterprises. * Designing and developingenterprise-grade SaaS featuresacross backend and frontend systems * Building secure, scalable, and high-performing APIs and services (NestJS, GraphQL, REST) * Creatingdata-driven dashboards and UIswith React, Next.js, and Cha
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Trading System Engineer Rates & Credit Fixed Income - Position Overview - Job Title Trading System Engineer - Rates and Credit Fixed Income - Location London - Corporate Title Assistant Vice President/Vice President - You will play a key role in the transformation of Rates and Credit Fixed Income technology landscape. As part of our multi-year platform modernisation project, you will be responsible for building a suite of new, real-time, high-performance applications supporting various trading workflows. You will be involved in building solutions across the stack and working closely with Business stakeholders to build a maintainable, operationally efficient and scalable platform to last the next decade. What well offer you - A healthy, engaged and well-supported workforce are better equipped to do their best work and, more importantly, enjoy their lives inside and out
Trading System Engineer Rates & Credit Fixed Income - Position Overview - Job Title Trading System Engineer - Rates and Credit Fixed Income - Location London - Corporate Title Assistant Vice President/Vice President - You will play a key role in the transformation of Rates and Credit Fixed Income technology landscape. As part of our multi-year platform modernisation project, you will be responsible for building a suite of new, real-time, high-performance applications supporting various trading workflows. You will be involved in building solutions across the stack and working closely with Business stakeholders to build a maintainable, operationally efficient and scalable platform to last the next decade. What well offer you - A healthy, engaged and well-supported workforce are better equipped to do their best work and, more importantly, enjoy their lives inside and out
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A World-Changing Company - Palantir builds the worlds leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role - As a Frontline Software Engineer at Palantir, you would begin your journey on a short-term assignment where you are embedded with customers. This unique experience lets you work directly with users, gaining firsthand insight into how our products are used and the challenges our customers face. Unlike traditional engineering roles, Frontline immerses you in complex, ambiguous problems, empowering you to deliver impactful solutions across some of the worlds most important industries and institutions.
A World-Changing Company - Palantir builds the worlds leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role - As a Frontline Software Engineer at Palantir, you would begin your journey on a short-term assignment where you are embedded with customers. This unique experience lets you work directly with users, gaining firsthand insight into how our products are used and the challenges our customers face. Unlike traditional engineering roles, Frontline immerses you in complex, ambiguous problems, empowering you to deliver impactful solutions across some of the worlds most important industries and institutions.
A World-Changing Company - Palantir builds the worlds leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role - Backend Software Engineers at Palantir build software at scale to transform how organizations use data. Our Software Engineers are involved throughout the product lifecycle, from idea generation, design, prototyping, and production delivery. You will collaborate closely with technical and non-technical teammates to understand our customers' problems and build products that solve them. We encourage movement across teams to share context, skills, and experience, so you'll learn about many different technologies and aspects of each product.
A World-Changing Company - Palantir builds the worlds leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role - Backend Software Engineers at Palantir build software at scale to transform how organizations use data. Our Software Engineers are involved throughout the product lifecycle, from idea generation, design, prototyping, and production delivery. You will collaborate closely with technical and non-technical teammates to understand our customers' problems and build products that solve them. We encourage movement across teams to share context, skills, and experience, so you'll learn about many different technologies and aspects of each product.
A World-Changing Company - Palantir builds the worlds leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role - Palantir Foundry is an end-to-end platform for data-driven decision-making. We're transforming the way organisations securely integrate their data, so they can then build reliable, critical applications atop that unified foundation. Our customers use Foundry to perform rich analyses that drive core operations within their organisations. They can also build sophisticated, full-fledged programs, such as common operating pictures, alert-triaging inboxes, and resource allocation planning tools driven by rich-ML models.
A World-Changing Company - Palantir builds the worlds leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role - Palantir Foundry is an end-to-end platform for data-driven decision-making. We're transforming the way organisations securely integrate their data, so they can then build reliable, critical applications atop that unified foundation. Our customers use Foundry to perform rich analyses that drive core operations within their organisations. They can also build sophisticated, full-fledged programs, such as common operating pictures, alert-triaging inboxes, and resource allocation planning tools driven by rich-ML models.
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We are looking for an experienced Appian Developer to support integration and automation initiatives within a leading financial services organisation. This role focuses on connecting systems, automating complex business processes, and improving operational efficiency. * Design, develop, and maintain Appian applications to support fraud and spam prevention workflows. * Build and manage system integrations (APIs, web services, and third-party platforms) * Automate business processes to improve accuracy, speed, and resilience. * Working with offshore teams to complete end-to-end delivery, from requirements gathering to deployment * Ensure solutions meet security, compliance, and performance standards expected in financial services. * Must have proven experience as an Appian Developer. * Must have a strong background in system integration, process automation and APIs.
We are looking for an experienced Appian Developer to support integration and automation initiatives within a leading financial services organisation. This role focuses on connecting systems, automating complex business processes, and improving operational efficiency. * Design, develop, and maintain Appian applications to support fraud and spam prevention workflows. * Build and manage system integrations (APIs, web services, and third-party platforms) * Automate business processes to improve accuracy, speed, and resilience. * Working with offshore teams to complete end-to-end delivery, from requirements gathering to deployment * Ensure solutions meet security, compliance, and performance standards expected in financial services. * Must have proven experience as an Appian Developer. * Must have a strong background in system integration, process automation and APIs.
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The successful applicant will have comprehensive expertise in Microsoft Azure services, Web API, Azure App Service, .NET Core, and Visual Studio. * Design and implement scalable cloud solutions utilizing Azure App Service, Web API, and .NET Core. * Define architecture patterns for microservices, API management, and integration with enterprise systems. * Utilize Azure Functions, Azure Logic Apps, Azure API Management, and Azure Storage to develop robust applications. * Expertise in Microsoft Azure services, including App Service, Functions, API Management, Storage, and Networking. * Strong knowledge of .NET Core, Web API, C#, and Visual Studio.
The successful applicant will have comprehensive expertise in Microsoft Azure services, Web API, Azure App Service, .NET Core, and Visual Studio. * Design and implement scalable cloud solutions utilizing Azure App Service, Web API, and .NET Core. * Define architecture patterns for microservices, API management, and integration with enterprise systems. * Utilize Azure Functions, Azure Logic Apps, Azure API Management, and Azure Storage to develop robust applications. * Expertise in Microsoft Azure services, including App Service, Functions, API Management, Storage, and Networking. * Strong knowledge of .NET Core, Web API, C#, and Visual Studio.
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Senior Full Stack Engineer
Senior Full Stack Engineer
McGregor Boyall Associates Limited
City of London (EC1)
£80000 - £120000 per annum + bonus
Strong knowledge of system design principles, scalable architecture patterns, and API design.
Strong knowledge of system design principles, scalable architecture patterns, and API design.
Microservices architecture, API-first approach, containerisation (Docker/Kubernetes), CI/CD pipelines * Knowledge of integration patterns, API gateways, and cloud-native deployments
Microservices architecture, API-first approach, containerisation (Docker/Kubernetes), CI/CD pipelines * Knowledge of integration patterns, API gateways, and cloud-native deployments
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Data exchange and processing skills (e.g. ETL, ESB, API...)
Data exchange and processing skills (e.g. ETL, ESB, API...)
FEATURED
Design, develop, and deliver custom solutions within Planon's API framework.
Design, develop, and deliver custom solutions within Planon's API framework.
FEATURED
Design, develop, and deliver custom solutions within Planon's API framework.
Design, develop, and deliver custom solutions within Planon's API framework.
FEATURED
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Infrastructure: AWS (Aurora, Redis, DynamoDB, S3, SNS, SQS, CloudFront, API Gateway)
Infrastructure: AWS (Aurora, Redis, DynamoDB, S3, SNS, SQS, CloudFront, API Gateway)
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You consider things like API documentation, SDK functionality, and developer onboarding and can speak the language of a developer.
You consider things like API documentation, SDK functionality, and developer onboarding and can speak the language of a developer.
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REST API Design Principles
REST API Design Principles
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Comfortable working with API-driven products or infrastructure and translating technical capability into customer value.
Comfortable working with API-driven products or infrastructure and translating technical capability into customer value.
The Website Team focuses on managing the Website with the CMS (Sanity) with the goal to create high-fidelity UI implementation, good SEO placement, accessibility, Core Web Vitals, API integrations, and a robust internal component system built on our internal design system.
The Website Team focuses on managing the Website with the CMS (Sanity) with the goal to create high-fidelity UI implementation, good SEO placement, accessibility, Core Web Vitals, API integrations, and a robust internal component system built on our internal design system.
Collaborate closely on system architecture, data flows, and API structures to ensure design feasibility and coherence.
Collaborate closely on system architecture, data flows, and API structures to ensure design feasibility and coherence.
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Our engineering team is dedicated to designing and developing robust backend services and applications that support Macquaries Commodities and Global Markets operations. We work collaboratively across functions to deliver reliable, high-performance solutions, ensuring our systems remain responsive, efficient, and scalable. Our focus is on maintaining code quality, fostering innovation, and continuously improving our technology landscape. While Macquarie offers hybrid working for many of our roles, this role does require 3 days a week in the advertised location. At Macquarie, our advantage is bringing together diverse people and empowering them to shape all kinds of possibilities. We are a global financial services group operating in 31 markets and with 56 years of unbroken profitability. Youll be part of a friendly and supportive team where everyone - no matter what r
Our engineering team is dedicated to designing and developing robust backend services and applications that support Macquaries Commodities and Global Markets operations. We work collaboratively across functions to deliver reliable, high-performance solutions, ensuring our systems remain responsive, efficient, and scalable. Our focus is on maintaining code quality, fostering innovation, and continuously improving our technology landscape. While Macquarie offers hybrid working for many of our roles, this role does require 3 days a week in the advertised location. At Macquarie, our advantage is bringing together diverse people and empowering them to shape all kinds of possibilities. We are a global financial services group operating in 31 markets and with 56 years of unbroken profitability. Youll be part of a friendly and supportive team where everyone - no matter what r
Hybrid role (3+ days based at our Norwich office) Artlist is a leading creative technology company on a mission to empower creators and brands to bring their vision to life with video. Offering cutting-edge AI tools and models for image, video, and voiceover creation, alongside high-quality creative assets and powerful editing tools, Artlist enables creators to stay on trend, and achieve their creative goals. Trusted by over 30 million creators worldwide and top brands including Google, Amazon, Microsoft, and Versace, Artlist provides a seamless, subscription-based platform with a global license, giving creators everything they need to produce professional video content efficiently. For more information, visit artlist.io. Artlist is looking for an exceptional Senior Full-Stack Developer to join our new Platform Infrastructure team.
Hybrid role (3+ days based at our Norwich office) Artlist is a leading creative technology company on a mission to empower creators and brands to bring their vision to life with video. Offering cutting-edge AI tools and models for image, video, and voiceover creation, alongside high-quality creative assets and powerful editing tools, Artlist enables creators to stay on trend, and achieve their creative goals. Trusted by over 30 million creators worldwide and top brands including Google, Amazon, Microsoft, and Versace, Artlist provides a seamless, subscription-based platform with a global license, giving creators everything they need to produce professional video content efficiently. For more information, visit artlist.io. Artlist is looking for an exceptional Senior Full-Stack Developer to join our new Platform Infrastructure team.
Join Proton and build a better internet where privacy is the default - At Proton, we believe that privacy is a fundamental human right and the cornerstone of democracy. Since our inception in 2014, founded by a team of scientists from CERN, we have dedicated ourselves to providing free and open-source technology to millions worldwide, ensuring access to privacy, security, and freedom online. Our journey began with Proton Mail, the largest secure email service globally, and has since expanded to include Proton VPN, Proton Calendar, Proton Drive, and Proton Pass. These tools empower individuals and organizations to take control of their personal data, break away from Big Tech's invasive practices, and defeat censorship. Our work impacts hundreds of millions of lives, from activists on the front lines defending freedom to leaders in governments protecting sensitive infor
Join Proton and build a better internet where privacy is the default - At Proton, we believe that privacy is a fundamental human right and the cornerstone of democracy. Since our inception in 2014, founded by a team of scientists from CERN, we have dedicated ourselves to providing free and open-source technology to millions worldwide, ensuring access to privacy, security, and freedom online. Our journey began with Proton Mail, the largest secure email service globally, and has since expanded to include Proton VPN, Proton Calendar, Proton Drive, and Proton Pass. These tools empower individuals and organizations to take control of their personal data, break away from Big Tech's invasive practices, and defeat censorship. Our work impacts hundreds of millions of lives, from activists on the front lines defending freedom to leaders in governments protecting sensitive infor
Since being founded in 2018, Copper has been building the standard for institutional digital asset infrastructure with a focus on custody, collateral management, and prime services. Led by Amar Kuchinad, Copper's Global CEO, the firm provides a comprehensive suite of custody, trading and settlement solutions that reduce counterparty risk and bring greater capital and operational efficiency to digital asset markets. At the heart of Copper's offering is Multi-Party Computation (MPC) technology the gold standard in secure custody. Coppers multi-award winning custody system is unique in that it can be connected to centralised exchanges, DeFi applications and even staking pools without the assets leaving the custody. Built on top of this state-of-the-art custody, ClearLoop is the first solution in the market that overcomes a growing industry challenge; counterparty risk wi
Since being founded in 2018, Copper has been building the standard for institutional digital asset infrastructure with a focus on custody, collateral management, and prime services. Led by Amar Kuchinad, Copper's Global CEO, the firm provides a comprehensive suite of custody, trading and settlement solutions that reduce counterparty risk and bring greater capital and operational efficiency to digital asset markets. At the heart of Copper's offering is Multi-Party Computation (MPC) technology the gold standard in secure custody. Coppers multi-award winning custody system is unique in that it can be connected to centralised exchanges, DeFi applications and even staking pools without the assets leaving the custody. Built on top of this state-of-the-art custody, ClearLoop is the first solution in the market that overcomes a growing industry challenge; counterparty risk wi
About Sibylline - Sibylline is a leading intelligence and strategic risk consultancy in the security sector. Since 2010 we have supported businesses, governments and NGOs by providing high-quality risk analysis, due diligence and consultancy services. The firm provides an innovative, entrepreneurial and fast-growing working environment, offering employees ever greater exposure to high-profile clients and challenges. Sibylline offers fantastic opportunities for career progression within a successful company, and we aim to help our employees build their own personal profiles as well-regarded analysts within the broader industry. * Self-motivated, and auto-improving individuals who can couple initiative and boldness with good judgement * Excellent written and spoken English * Clarity of thought and analytical flair * Strong, demonstrable interest in security and intellig
About Sibylline - Sibylline is a leading intelligence and strategic risk consultancy in the security sector. Since 2010 we have supported businesses, governments and NGOs by providing high-quality risk analysis, due diligence and consultancy services. The firm provides an innovative, entrepreneurial and fast-growing working environment, offering employees ever greater exposure to high-profile clients and challenges. Sibylline offers fantastic opportunities for career progression within a successful company, and we aim to help our employees build their own personal profiles as well-regarded analysts within the broader industry. * Self-motivated, and auto-improving individuals who can couple initiative and boldness with good judgement * Excellent written and spoken English * Clarity of thought and analytical flair * Strong, demonstrable interest in security and intellig
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Are you a Software Engineer whos energised by solving real problems, comfortable with the unknown, and committed to building more than just good enough? Mention Me is revolutionising the world of referral, AdTech, and influencer marketing. We have already delivered $2bn in revenue for 500+ brands. We are shifting gears to scale up massively, moving from a single-language legacy stack to a modern, decoupled architecture driven by data and AI. We're entering an exciting new chapter. We're evolving our tech stack, embracing modern technologies, and building what's next. This isn't a role for someone who needs a playbook. We're looking for someone who can navigate ambiguity, pivot when the landscape shifts, and make smart decisions about which tools to use. If you're energised by figuring things out, learning constantly, and shipping work that genuinely moves the needle,
Are you a Software Engineer whos energised by solving real problems, comfortable with the unknown, and committed to building more than just good enough? Mention Me is revolutionising the world of referral, AdTech, and influencer marketing. We have already delivered $2bn in revenue for 500+ brands. We are shifting gears to scale up massively, moving from a single-language legacy stack to a modern, decoupled architecture driven by data and AI. We're entering an exciting new chapter. We're evolving our tech stack, embracing modern technologies, and building what's next. This isn't a role for someone who needs a playbook. We're looking for someone who can navigate ambiguity, pivot when the landscape shifts, and make smart decisions about which tools to use. If you're energised by figuring things out, learning constantly, and shipping work that genuinely moves the needle,
NEW
Related Jobs
Locations
- The City, City (EC4)
- Southwark
- Drybridge Hill
- Hinxton
- Shoreditch
- Arundel Heights
- Euston
- The City, City (EC2)
- The City, City (EC3)
- City of London
- Cambridge
- Central London
- South East London
- Stevenage
- West End
- East London
- Saffron Walden
- Woodbridge
- Billericay
- London
- Cambridgeshire
- Essex
- Hertfordshire
- Suffolk
- Norfolk
- South East
- East Anglia