11 of 11 Permanent Application Security Jobs in Leeds

Role Title: Director Security Location: Leeds (Hybrid - 4 days on-site per week) Day Rate: £552.50 Inside IR35 Duration: 6 months The Role We are seeking an exceptionally seasoned Director of Security with over 15 years of progressive experience to lead the design, implementation, and governance of security across multiple platforms. This role requires deep expertise in … complex security challenges, a proven record of strategic influence, and the ability to translate business requirements into secure, scalable, and compliant technical solutions. Key Responsibilities Security Leadership & Strategy Define and implement the company's security strategy across AI, blockchain, and cloud environments. Establish policies, standards, and governance frameworks aligned with industry best practices (ISO 27001, NIST, SOC2 … . Lead incident response, risk assessment, and threat modelling programmes. Build and mentor a world-class security team. AI Data Security Protect proprietary AI models, training data, and pipelines from data poisoning, model theft, or adversarial attacks. Secure ML infrastructure across data collection, preprocessing, model training, and deployment. Implement privacy-preserving techniques such as encryption, anonymisation, and federated More ❯

Job Title: Application Architect Location: Hybrid - Leeds-based (2 days on site) Salary: up to c.£75,000 per annum, plus benefits Why Apply? This is a fantastic opportunity for an experienced Application Architect, or a Solution Architect with a strong applications background to play a pivotal role in shaping enterprise-level solutions for a forward-thinking organisation. … You'll design and implement scalable, secure, and modern application architectures that directly support business goals. This is a permanent role offering the chance to influence strategy, guide development teams, and work with the latest technologies in a supportive and innovative environment. Application Architect Responsibilities Design, develop, and maintain high-level architecture for new and existing applications. Define … Lead architecture reviews, offering guidance and mentoring to technical teams. Evaluate, recommend, and implement tools, frameworks, and technologies that align with business needs. Ensure alignment with enterprise architecture and security policies. Document architecture designs, workflows, and technical specifications. Troubleshoot and resolve complex architectural challenges. Support modernisation, migration, and integration initiatives across the application landscape. Application Architect Requirements More ❯

demonstrates his unwavering dedication to knowledge sharing, community building, and technical innovation within the software development ecosystem. His contributions span multiple channels, from creating widely-adopted open-source security tools to producing educational content that reaches developers across the globe. Jamie's community impact is exemplified through The Modern .NET Show podcast , which serves as the premier resource for … stages. Technical excellence through open-source contribution forms another cornerstone of Jamie's recognition. His OwaspHeaders.Core library has achieved remarkable success with over 1.2 million downloads, providing essential web application security features to developers across the .NET ecosystem. The library implements OWASP Secure Headers Project recommendations, enabling developers to enhance their application security with minimal effort … 30+ career areas, providing them with valuable industry insights and practical guidance for their professional development. Jamie's involvement bridges the gap between academic learning and real-world professional application, helping to shape the next generation of software engineers. "The Microsoft MVP recognition continues to be both an honour and a responsibility," Jamie commented following the announcement. "It represents More ❯

architectural oversight and technical debt management Establish and drive comprehensive quality culture including TDD/BDD practices, testing standards, automated quality gates, and team code review excellence Define team security standards ensure team compliance governance, and drive security-first culture within the engineering team Stay technically current through code reviews, architectural discussions, strategic technical involvement and ensure alignment … dynamics Technical Skills Frontend Strategy: Strategic understanding of modern UI frameworks (e.g. Angular, React, Vue.js, Blazor) Backend Leadership: Strong understanding of .NET Core, C#, ASP.NET Core Web APIs, REST, application architectures, and distributed systems Data Architecture: Strategic knowledge of SQL, NoSQL and data architecture decisions CI/CD Strategy: Define team CI/CD strategy, establish team governance frameworks … and ensure adoption of deployment best practices across the team Infrastructure as Code: Infrastructure as Code with Terraform, ARM Templates or AWS CloudFormation/CDK Observability Strategy: DataDog, Application Insights or Amazon CloudWatch implementation with comprehensive observability strategy and cloud governance Cloud Strategy: Strategic SAAS using Azure (Functions, Queue, Blob Storage, VMs, etc) or AWS (Lambda, SQS/SNS More ❯

Front End Developer This is a fantastic opportunity for an experienced Front End or Full Stack Developer with a robust background in commercial web and application development, to join the talented team at Bolser, delivering exceptional digital solutions for some of the world’s biggest brands, including Microsoft, Xbox, Portakabin, RAF Museum, and the Football Foundation. You will be … Collaborate with designers to deliver responsive, accessible UI experiences • Work closely with teammates using pair programming, code reviews, and TDD • Contribute to CI/CD pipelines, database design, and application security • Help maintain a collaborative, inclusive, and high-performing dev culture Skills and Qualifications • 2 years + experience as a Front End or Full Stack Developer • Proficient in More ❯

one of our client based at Leeds, UK. This is a Permanent/Fulltime and hybrid position . Below is the job description for your reference. Please share your application once you are interested. Role: Senior Dotnet Developer(Serverless and AWS) Mode: Fulltime/Permanent Location: Leeds, UK Hybrid Job Description: Position Overview We are seeking an experienced AWS … and RESTful APIs. Implement and manage CI/CD pipelines using Azure DevOps, or GitHub Actions,. Apply Infrastructure as Code (IaC) using AWS CDK, Terraform, or CloudFormation. Ensure application security, monitoring, and logging using AWS CloudWatch, X-Ray, and IAM best practices. Collaborate with cross-functional teams to define, design, and deliver high-quality solutions. (Optional) Contribute More ❯

microservices and RESTful APIs. Implement and manage CI/CD pipelines using Azure DevOps or GitHub Actions. Apply Infrastructure as Code (IaC) using AWS CDK, Terraform, or CloudFormation. Ensure application security, monitoring, and logging using AWS CloudWatch, X-Ray, and IAM best practices. Collaborate with cross-functional teams to define, design, and deliver high-quality solutions. Troubleshoot production More ❯

and RESTful APIs. Implement and manage CI/CD pipelines using Azure DevOps, or GitHub Actions,. Apply Infrastructure as Code (IaC) using AWS CDK, Terraform, or CloudFormation. Ensure application security, monitoring, and logging using AWS CloudWatch, X-Ray, and IAM best practices. Collaborate with cross-functional teams to define, design, and deliver high-quality solutions. (Optional) Contribute More ❯

new business opportunities primarily through phone-based prospecting/cold-calling, as well as LinkedIn and email. You’ll speak with IT/technology leadership and heads of information security, with the view to arranging demos of our software or trials of the service. As part of the role you’ll master the art of new business generation, objection … handling, solution selling and SaaS sales. AppCheck Company & Product AppCheck is a leading enterprise security software provider (vulnerability scanning) developed by industry leading ethical hackers and web application security experts. Our technology gives companies the ability to scan their own web apps and networks for security vulnerabilities, so they can remediate issues and avoid the actions … traits we look for include, high levels of drive, excellent articulation skills and the ability to think on your feet Additional Info: As part of our commitment to information security and our ISO 27001 accreditation, please note that upon acceptance of an employment offer with AppCheck, you will undergo pre-employment checks including criminal record (DBS), employment & references as More ❯

microservices and RESTful APIs. Implement and manage CI/CD pipelines using Azure DevOps or GitHub Actions. Apply Infrastructure as Code (IaC) with AWS CDK, Terraform, or CloudFormation. Ensure application security, monitoring, and observability using AWS CloudWatch, X-Ray, and IAM best practices. Collaborate with cross-functional teams to deliver high-quality solutions. (Optional) Support front-end development More ❯

increasingly leveraging AI and automation to stay ahead of cyber threats. You’ll be joining a small, collaborative engineering team where your ideas matter, working across product, architecture, and security to evolve a platform used by some of the UK’s most security-mature organisations. What You’ll Do Build and enhance platform features using PHP (Laravel), React … AI-driven functionality — improving automation, intelligence, and user insight. Design, integrate, and maintain APIs and microservices. Optimise the platform for performance, scalability, and security. Work closely with product and security leads to translate business goals into technical solutions. Skills & Experience Essential: Strong back-end development experience with PHP (Laravel) and MySQL. Solid knowledge of AWS — including deployment, monitoring, and … scaling. Understanding of secure coding principles and web application security. Comfortable working end-to-end across the stack in a small, fast-moving team. Desirable: Professional experience in cybersecurity SaaS, threat intelligence, or vulnerability management. Familiarity with AI/ML technologies, particularly around data classification or automation. Experience with CI/CD, containerisation, and serverless architectures. Front-end experience More ❯