Principal Solutions Engineer - Application Security

Wiz Inc.Remote - United Kingdom

Remote Full-time

Clicking Apply Now takes you to AutoApply where you can tailor your resume and apply.

Experience Level

Mid to Senior

Qualifications

Key Responsibilities:As a Principal Solutions Engineer, you will collaborate closely with Wiz’s CTO, Field CTO, Customer Success, Product Management, and R&D teams to align and ensure cohesive efforts throughout the sales process. What You Will Bring:Extensive technical expertise with a comprehensive understanding of core IT, InfoSec, Cloud, and DevOps principles. Demonstrated experience in public cloud architecture (AWS, Azure, GCP). In-depth knowledge of the Application Security landscape, including ASPM, SAST, DAST, SCA, and practical applications of SBOMs (SPDX/CycloneDX) for vulnerability and license management. Proficiency in one or more high-level programming languages (e.g., Python, Go, Rust) and/or advanced shell scripting.

About the job

Wiz’s team brings together professionals from over 20 countries, collaborating to safeguard the infrastructure of some of the world’s largest companies. Security teams worldwide rely on Wiz’s expertise and solutions.

Role overview

The Principal Solutions Engineer - Application Security will play a key part in supporting Wiz’s customers as they secure their cloud applications. This role offers the chance to work with a diverse team and contribute to the protection of critical cloud infrastructure.

What makes Wiz unique

Trusted by security teams at leading global companies
Handles security for a significant share of the Fortune 100
Processes and protects massive volumes of data daily
Encourages creative approaches and values each team member’s expertise

More information about Wiz’s growth can be found here.

About Wiz Inc.

Wiz Inc. is at the cutting edge of cloud security, dedicated to helping organizations secure their cloud environments. With a rapidly growing customer base that includes numerous Fortune 100 companies, we are committed to innovation and excellence in protecting digital infrastructures.

Similar jobs

Browse all companies, explore by city & role, or SEO search pages. View directory listings: all jobs, search results, location & role pages.

1 - 20 of 14,424 Jobs

Search for Senior Application Security Engineer at Prolific | Remote, UK

14,424 results

Select all on this page (20)

Apply

Senior Application Security Engineer at Prolific | Remote, UK

Prolific

Full-time|Remote|Remote, UK

Prolific seeks a Senior Application Security Engineer to help protect its applications and user data. This position is fully remote within the UK. Key responsibilities Evaluate application security and spot potential risks Collaborate with engineering and product teams to design secure software architectures Improve security practices throughout the developm…

Apr 27, 2026

Apply

Senior Product Engineer at Prolific | Remote, UK

Prolific

Full-time|Remote|Remote, UK

Senior Product EngineerEngineeringProlific is not just another player in the AI space; we are the architects of a human data infrastructure that is transforming AI development. In a landscape where foundational AI technologies are becoming increasingly commoditized, it is the quality and diversity of human-generated data that sets our products and models apart.The RoleWe are on the lookout for experienced Senior Software Engineers with a product-oriented mindset to join our dynamic team. In this pivotal role, you will contribute to the development and strategic direction of our product. As a 't-shaped' engineer, you will possess broad knowledge across various domains of software development while having a deeper specialization in either front-end or back-end technologies. This is a unique opportunity to utilize your skills, experience, and insights to significantly steer the future of our product as we aim to revolutionize the research landscape.What You'll Bring to the RoleA profound understanding of modern web applicationsProficient in building applications using TypeScript/JavaScript and working with NoSQL databasesFamiliarity with Python programmingKnowledge of Event-Driven Architecture

Feb 12, 2026

Apply

Lead Application Security Specialist

Prolific

Full-time|Remote|Remote, UK

Prolific seeks a Lead Application Security Specialist to strengthen the security of its applications and systems. This is a fully remote role open to candidates based in the UK. Key responsibilities Manage and mentor a team dedicated to application and system security. Detect vulnerabilities and implement solutions to address them. Maintain compliance with industry security standards. Role impact This position directly shapes the security practices behind Prolific’s products and services. The Lead Application Security Specialist plays a central part in managing risk and supporting the organization’s reputation for trustworthiness.

Apr 27, 2026

Apply

Lead Analytics Engineer at Prolific | Remote, UK

Prolific

Full-time|Remote|Remote, UK

Lead Analytics EngineerDataProlificAt Prolific, we are pioneering the future of AI by building a robust human data infrastructure that is transforming AI development. In an era where AI technologies are becoming commonplace, the uniqueness and quality of human-generated data set our solutions apart in the marketplace.The RoleAs a Lead Analytics Engineer within our Data Infrastructure Team, you will play a critical role in evolving and sustaining Prolific's data architecture. Your expertise will be vital in re-engineering and expanding our data stack, ensuring our data pipelines are robust, efficient, and reliable. By taking ownership of and refining our analytics codebase, you will enable our BI teams to extract meaningful insights for the entire organization, while also enhancing data accuracy and accessibility. You will act as a conduit between technical and non-technical stakeholders, ensuring that intricate data solutions are comprehensible and align with business objectives.What You’ll Bring to the RoleProficiency in dbt & SQL: Extensive experience in dbt and SQL for the design, construction, and maintenance of scalable data models.Strong analytical mindset with the ability to troubleshoot and optimize complex data systems.Excellent communication skills to convey technical concepts to non-technical audiences.

Feb 11, 2026

Apply

AI Research Engineer at Prolific | Remote, UK

Prolific

Full-time|Remote|Remote, UK

AI Research Engineer ProlificAt Prolific, we are more than just a participant in the AI industry; we are the creators of a sophisticated human data infrastructure that is revolutionizing AI development. In an era where foundational AI technologies are rapidly becoming interchangeable, the true differentiation lies in the quality and variety of human-generated data. The RoleWe are on the lookout for a dynamic Research Engineer who will spearhead innovative research in essential AI domains, including evaluation methodologies based on human data, alignment techniques, and synthetic data generation. You will play a vital role in bridging the divide between cutting-edge AI research and real-world applications, translating research findings into impactful products and services. As part of our dedication to fostering the broader AI community, you will also contribute to writing papers that push the boundaries of the field. Your work will significantly influence our understanding, evaluation, and enhancement of AI systems through high-quality human data. What You’ll Be DoingResearch & InnovationLead independent research projects focused on AI evaluation methodologies, alignment techniques, and synthetic data generationDesign and implement innovative evaluation frameworks for LLMs and agent systems grounded in human dataContribute to the academic AI community through publications and open-source contributionsStay at the forefront of AI research, pioneering new techniques and approaches

Feb 11, 2026

Apply

Senior Application Security Engineer

Addepar

Full-time|Remote|Remote, UK

Addepar is looking for a Senior Application Security Engineer to help protect our applications and data. This position is fully remote and open to candidates based in the UK. Key responsibilities Find and assess security vulnerabilities within applications Apply security controls and measures to address risks Collaborate with teams across the company to strengthen security practices Support compliance efforts with relevant industry standards Teamwork and influence This role partners closely with engineering and other departments to improve application security. The Senior Application Security Engineer will play a part in shaping Addepar’s overall security approach as we develop and maintain our technology.

Apr 22, 2026

Apply

Senior MLOps Engineer

Prolific

Full-time|Remote|Remote, UK

Senior MLOps Engineer At Prolific, we are not merely participants in the AI landscape; we are the innovators behind the human data infrastructure that is revolutionizing AI development. As foundational AI technologies become more standardized, the distinctiveness of our products and models lies in the quality and variety of human-generated data we provide. The Role The next wave of AI development hinges on a crucial element: exceptional human data. Prolific is the leading source of this data for teams at the forefront of AI technology. In your role as a Senior MLOps Engineer, you will support our AI production lifecycle's backbone. You will connect research with practical application, ensuring our Data Scientists and AI Researchers have the robust infrastructure, automated pipelines, and deployment strategies essential to deliver cutting-edge models at scale. Our deployment encompasses a range of AI functions, from fraud detection to RAG-based search. Who We’re Looking For 5+ years of experience in cloud infrastructure and Infrastructure as Code. Proven experience throughout the ML and LLM lifecycle – including training, hosting, optimization, and observability. A collaborative mindset with a history of working closely with researchers and data scientists to transition experiments into production. A solid understanding of ML fundamentals and the contemporary GenAI stack. What You’ll be Doing Infrastructure & Platform Engineering Infrastructure as Code (IaC): Design and maintain scalable cloud environments (GCP/AWS) utilizing Terraform. Resource Provisioning and Management: Oversee cloud resources to ensure optimal performance and cost-efficiency.

Feb 13, 2026

Apply

Application Security Engineer at Writer | London, UK

WRITER

Full-time|Hybrid|London, UK

About WRITERWRITER is at the forefront of empowering the world's leading enterprises with AI-driven solutions. Our mission is to enhance human capabilities through superintelligence, proving that transformative, reliable AI is achievable. By bridging IT and business teams, we enable organizations to undergo enterprise-wide transformations. Hundreds of renowned companies, including Mars, Marriott, Uber, and Vanguard, utilize WRITER's comprehensive platform to build and deploy AI agents based on their unique data, powered by our enterprise-grade LLMs. With a valuation of $1.9B and support from top-tier investors like Premji Invest, Radical Ventures, and ICONIQ Growth, WRITER is solidifying its role as a pioneer in enterprise generative AI.Founded in 2020, and with offices in San Francisco, New York City, Austin, Chicago, and London, our dynamic team is dedicated to innovative thinking and swift action. We invite talented, dedicated builders and visionaries to join us in shaping the future of work through AI. About the RoleJoin us as a Security Engineer specializing in Application Security at WRITER, where security innovation meets enterprise-scale challenges. You will lay the foundational security measures to safeguard the AI systems that support some of the most recognizable brands globally. Collaborating closely with engineering teams, your role will be pivotal in integrating security into every aspect of our coding processes, ensuring our platform remains robust and trustworthy.This is a tremendous opportunity to shape the security landscape for enterprise AI applications, from threat modeling our LLM architectures to creating scalable automated security controls across our growing platform. Embrace the challenge of discovering creative solutions that allow us to proceed securely. You will encounter unique hurdles that most security engineers may never face, including securing AI agents, shielding training data pipelines, and designing controls for systems that are still in their infancy.This position offers the flexibility of remote work within the US or a hybrid model from our San Francisco or New York City offices, with direct reporting to the Head of Security Engineering.

Feb 12, 2026

Apply

Senior Cloud Security Engineer - Remote (UK)

Immersive Labs

Full-time|Remote|United Kingdom

Join a trusted platform: Immersive One is a premier global solution for cyber resilience.Collaborate and innovate with a team of leading cybersecurity experts to build and expand a world-class platform! At Immersive, we are strategically positioned to safeguard organizations against any cyber threat. If this excites you, keep reading!Immersive empowers organizations to validate and enhance their cyber resilience by simulating real-world threats, testing skills, and measuring performance. We put your readiness to the ultimate test. From honing technical skills to making critical decisions under pressure, our platform allows you to evaluate every aspect, identify growth opportunities, and demonstrate your capability to confront evolving threats with steadfast confidence.Discover more about us hereFounded in 2017, Immersive Labs has grown from a cargo container in Bristol, UK to a workforce of over 300 globally, secured funding exceeding £150 million, and has been recognized as a top workplace multiple times!Learn about our journeyPosition: Senior Cloud Security EngineerWe are excited to announce an opening for a Senior Cloud Security Engineer due to increasing customer demand and the enhanced maturity of our platform.We seek a seasoned cybersecurity professional specializing in creating secure environments within AWS, Azure, and/or GCP to join our Product team as a Senior Cloud Security Engineer.If you are selected, you will become an integral part of our Cyber team, collaborating closely with our Principal Cloud Security Engineer as we embark on this thrilling new phase of product development within our market-leading cyber resilience platform.This role stands out from typical cloud positions; we recognize that many companies tout the uniqueness of their roles, but this truly is exceptional.You will continuously research, learn, and immerse yourself in cloud security topics, including Cloud SIEMs, Kubernetes, and Azure, transforming that knowledge into practical labs.As a pivotal member of our Cloud Security Content team, you will help shape our AWS, Azure, and GCP content roadmap, influencing our offerings in the cybersecurity domain.

Feb 18, 2026

Apply

Product Marketing Lead at Prolific | United Kingdom

Prolific

Full-time|On-site|United Kingdom

Product Marketing Lead Prolific At Prolific, we are not just another name in the AI sector; we are the pioneers of the human data infrastructure that is transforming AI development. In an era where foundational AI technologies are becoming increasingly standardized, the quality and diversity of human-generated data set our products and models apart. The Role We are in search of a dynamic Product Marketing Lead to spearhead product marketing at Prolific. You will be responsible for shaping our product positioning, messaging, and launching strategies targeting AI and Research clients. Your mission will be to integrate our platform, participant supply, and services into cohesive solutions tailored for diverse buying contexts. In this player-coach position, you will lead a team of three Product Marketing Managers (PMMs), each embedded in different areas of the business, while actively participating in critical positioning and product launches. You will serve as the essential link between Product, Sales, and the vertical marketing teams, ensuring a unified narrative about Prolific's offerings and their significance. You will navigate various buying contexts, including technical AI teams assessing data integration pipelines, academics addressing data quality and funding challenges, and enterprise buyers constructing business cases. If you thrive in enhancing a PMM function amidst complexity, this role is a perfect match for you. What You’ll Be Doing

Feb 11, 2026

Apply

Senior Software Engineer II at Menlo Security | UK

Menlo Security

Full-time|Remote|EMEA - UK

Menlo Security enables secure, seamless communication and collaboration for organizations worldwide. The company supports a broad client base, including many Fortune 500 firms, leading global banks, and the Department of Defense. With strong backing from investors such as Vista Equity Partners, General Catalyst, JPMC, American Express, HSBC, and Ericsson Ventures, Menlo Security is expanding its team beyond 400 employees. Role Overview The Senior Software Engineer II will join the Service Delivery team, working either remotely in the UK time zone or from the Bracknell office. This group develops and maintains APIs and microservices that help internal teams handle customer provisioning, management, and analytics. The role involves designing and building new features, as well as improving and supporting existing applications. What You Will Do Design and implement solutions using RESTful APIs and asynchronous HTTP services. Maintain and enhance current service offerings for both internal and external users. Evaluate and optimize services and frameworks for scalability and strong performance. Write high-quality, repeatable code and uphold high standards for software delivery. Who Succeeds Here Menlo Security values team members who are ethical, organized, service-oriented, and open to feedback. The company looks for engineers who are comfortable providing constructive guidance and thrive in a growing, agile environment.

Apr 15, 2026

Apply

Staff Application Security Engineer

Ivanti

Full-time|Remote|EMEA; Italy, Remote; Netherlands, Remote; Poland, Remote; Scotland, Remote; United Kingdom, Remote

Are you a seasoned Staff Application Security Engineer eager to implement innovative security solutions and uphold technical excellence? At Ivanti, you will be instrumental in shaping the future of secure digital workplaces by designing and enhancing top-tier products utilized globally. Join our vibrant, collaborative team and make a significant impact—helping organizations securely navigate the fast-paced digital landscape. Your expertise will protect countless users while fostering innovation at every level. Why This Role Matters As a Staff Application Security Engineer at Ivanti, your role is vital in protecting our products and users from emerging threats. Your contributions will ensure trust and resilience in our technology, enabling organizations around the world to operate securely and innovate with confidence. What You’ll Do: Oversee the integration of security best practices across all stages of the software development lifecycle, guaranteeing robust protection for Ivanti's products, services, and IT assets. Develop innovative and scalable security tools, processes, and solutions to proactively identify, remediate, and mitigate vulnerabilities in extensive and complex codebases. Design secure architectures, conduct thorough threat modeling, and lead penetration testing and code reviews for both web and mobile applications to uphold the highest security standards. Collaborate with development, operations, and architecture teams to deeply embed security into DevOps practices and promote a culture of continuous security awareness throughout the organization. Lead security education initiatives by providing clear, actionable training and documentation to cross-functional teams, driving vulnerability remediation efforts with stakeholders of varying technical expertise. Work with global product and engineering teams, business leaders, and third-party security vendors to interpret vulnerability reports and coordinate effective security solutions and disclosure programs. Advise stakeholders on prioritizing vulnerabilities, enforcing secure coding standards, applying cryptographic techniques, and adopting industry-leading security protocols and compliance practices.

Apr 10, 2026

Apply

Application Security Engineer

Shawbrook

Full-time|On-site|Glasgow / Manchester or London

Join our dynamic team at Shawbrook as an Application Security Engineer. In this pivotal role, you will be responsible for safeguarding our applications by implementing robust security measures throughout the software development lifecycle. Your expertise will help identify vulnerabilities and enhance our overall security posture, ensuring our systems remain resilient against evolving threats.

Feb 17, 2026

Apply

Application Security Engineer

Palantir Technologies

Full-time|On-site|London, United Kingdom

Join Palantir, a pioneering force in data-driven software solutions, as a Senior Application Security Engineer. Our mission is to empower organizations to make critical decisions that save lives, enhance security, and drive innovation. As part of our esteemed Product Security team, you will collaborate closely with cross-functional teams to implement secure-by-design principles across our product offerings. Your expertise will be crucial in conducting comprehensive security reviews, threat modeling, and guiding the architectural design to ensure robust security measures are integrated from the ground up. You will lead strategic security initiatives that enhance our entire product suite and help identify and mitigate potential vulnerabilities through advanced analysis techniques. This is an opportunity to make a significant impact in a company dedicated to transforming the world through technology.

Jun 25, 2018

Apply

Principal Solutions Engineer - Application Security

Wiz Inc.

Full-time|Remote|Remote - United Kingdom

Wiz Inc. works at the center of cloud security, helping organizations protect their cloud environments and support business growth. The company’s platform scans and secures over 230 billion files every day, serving a global customer base that includes more than half of the Fortune 100. Wiz’s team brings together professionals from over 20 countries, collaborating to safeguard the infrastructure of some of the world’s largest companies. Security teams worldwide rely on Wiz’s expertise and solutions. Role overview The Principal Solutions Engineer - Application Security will play a key part in supporting Wiz’s customers as they secure their cloud applications. This role offers the chance to work with a diverse team and contribute to the protection of critical cloud infrastructure. What makes Wiz unique Trusted by security teams at leading global companies Handles security for a significant share of the Fortune 100 Processes and protects massive volumes of data daily Encourages creative approaches and values each team member’s expertise More information about Wiz’s growth can be found here.

Apr 30, 2026

Apply

Engineering Manager at Menlo Security | UK

Menlo Security

Full-time|Remote|EMEA - UK

Menlo Security focuses on secure connectivity, enabling organizations and individuals to communicate and collaborate safely. The company supports a wide range of clients, including Fortune 500 firms, most of the world’s largest banks, and the Department of Defense. With a growing team of over 400 employees, Menlo Security is backed by investors such as Vista Equity Partners, General Catalyst, JPMC, American Express, HSBC, and Ericsson Ventures. Role overview The Engineering Manager will join the Threat Infrastructure team in the UK. This position leads a geographically distributed group, guiding technical decisions and supporting the development of tools that power Menlo Security’s remote browser technology. The platform serves millions of users across desktop and mobile devices worldwide. What you will do Manage and mentor a distributed engineering team Provide technical leadership in architecture, design, development, deployment, and monitoring of threat infrastructure products Support a collaborative culture with regular design and code reviews Who we’re looking for Strong organizational skills and commitment to project completion Customer-focused mindset and openness to feedback Ability to provide constructive guidance and lead with empathy Experience with browser technologies is a plus Location and work arrangement This is a full-time role based in the UK. Work remotely within the UK time zone or from the Bracknell office.

Apr 29, 2026

Apply

Product Manager

Prolific

Full-time|Remote|Remote, UK

Role overview Prolific is seeking a Product Manager to guide the direction of its research platform. This is a fully remote role for candidates based in the UK. What you will do Define and clearly communicate the product vision and strategy Collaborate with engineering, design, and research teams to move projects forward Use data and user insights to inform product choices Support a platform relied on by researchers around the world About Prolific Prolific develops tools that help researchers collect data and connect with participants. The company focuses on making research more effective and accessible.

Apr 24, 2026

Apply

Information Security Engineer - Remote

NMI

Full-time|Remote|Remote, UK

Join our dynamic team at NMI as an Information Security Engineer. In this pivotal role, you will spearhead enterprise-level information security initiatives, ensuring that security practices are deeply embedded within our operations. Your responsibilities will include designing, implementing, and maintaining a robust security infrastructure that safeguards our organization's networks, systems, and data against cyber threats. You will build and manage security tools, perform comprehensive vulnerability assessments, and respond effectively to security incidents. Furthermore, you will provide expert advice on cybersecurity matters to various stakeholders within the business.This is primarily a remote position, with occasional responsibilities at our Bristol, UK office.

Apr 1, 2026

Apply

Application Security Engineer

ElevenLabs

Full-time|On-site|United Kingdom

About ElevenLabsElevenLabs is at the forefront of AI innovation, dedicated to redefining human interaction with technology.Founded in January 2023, we introduced the first human-like AI voice model and have rapidly grown to serve millions of users and numerous organizations, including major enterprises like Deutsche Telekom and Meta. Backed by distinguished investors such as Andreessen Horowitz, ICONIQ Growth, and Sequoia, we have successfully raised $781 million in funding, achieving a valuation of $11 billion.Our expansion has led to three primary platforms:ElevenAgents provides businesses with the tools to create seamless and intelligent customer experiences, offering the necessary integration, testing, monitoring, and reliability for large-scale voice and chat agent deployment.ElevenCreative empowers creators and marketers to produce and edit audio, music, images, and videos in over 70 languages.ElevenAPI offers developers access to our advanced AI audio foundational models.Our achievements are driven by the creativity and dedication of our team - a diverse group of researchers, engineers, and operators, including IOI medalists and former founders. If you're passionate about making a significant impact and are ready to work hard, we want to connect with you.How We OperateAgile Environment: We prioritize rapid experimentation, lean teams, and minimal bureaucracy.Impact Matters: We focus on the contributions you make rather than job titles; no task is too small or too large.AI-Driven: Our use of AI enhances speed and quality across all departments, from engineering to operations.Commitment to Excellence: Every output must reflect the high standards of our AI models.Global Talent: We value your skills over your geographic location.What We ProvideDynamic Culture: Join us in a generational opportunity to shape the future of AI, collaborating with a team that is continually pushing boundaries.Opportunities for Growth: Be part of a vibrant team with endless chances to make an impact beyond your immediate role.Professional Development: We are committed to your continuous learning and growth.

Feb 4, 2026

Apply

Application Security Engineer

ion

Full-time|On-site|London

Join our dynamic team at ion as an Application Security Engineer, where you will play a crucial role in safeguarding our applications and data. You will collaborate with development teams to identify vulnerabilities and implement security best practices, ensuring that our software is resilient against threats.Your expertise will help us create secure coding standards and guidelines, conduct security assessments, and perform code reviews. You will be at the forefront of enhancing our security posture and contributing to the overall success of our projects.

Apr 1, 2026

Create account — see all 14,424 results

Browse all companies, explore by city & role, or SEO search pages. View directory listings: all jobs, search results, or location & role pages.