27 application security engineer jobs

Grow with the challenge At the time of inception, cloud-based systems and API fluency were new. But that didn't scare us. We waved goodbye to legacy systems and embraced modern technology – where our true innovation began and didn't stop. No hierarchy, no egos. Just a spirit of collaboration that flows right throughout our organisation – it’s woven into our DNA. We genuinely want to know about each other’s learnings and expertise, especially where it can help us achieve bigger things. At ClearBank, we make things happen. We solve problems together because we know that many heads are always better than one. Valuing different perspectives is what sets our culture apart. And being able to disagree and commit is key to our progress. Above all we’re a team because when we win together, it feels so much better than doing it alone. What You Can Expect ClearBank is a place where you can do things differently and challenge the status quo. We will give you a high level of autonomy...

We are looking for a Security Platform Engineering Lead to define, build and operate a portfolio of reusable security capabilities that can be consumed by engineering squads as part of our product delivery. This role will combine technical leadership with hands on engineering, ensuring that security controls are delivered as code, embedded into infrastructure and CI/CD pipelines, and aligned to our AWS first, Terraform led platform model. We are looking to expand and mature further our Platform Engineering capabilities by introducing a Security Platform Engineering team, with a goal to make secure by default the best and easiest path for squads building customer facing services. This team will engineer and operate reusable security capabilities as internal products, embedding security controls directly into infrastructure, CI/CD pipelines and service templates. Working closely with Cloud Platform Engineering, Security Operations and other engineering squads, the function will...

About Freetrade Freetrade’s mission is to become the default place to invest. Investing has been too complicated and expensive for too long, keeping millions from making the most of their savings. We’re changing that. We’re building our team and looking for people who are excited to reshape how our customers invest and grow their wealth. If you’re driven by solving complex problems and building innovative products, you’ll fit right in. 2026 is a big year for us. Last year, we announced a game changing deal to become part of the IG Group. We’ll continue to operate as an independent business while gaining access to the resources and support of an established leader in the space. This year, we’re accelerating our roadmap and taking our products to the next level. We’re building new features like mutual funds, bonds, and family investment tools. We’re also exploring how we can leverage AI to deliver an even better experience for our customers. Why Join Our Engineering Team?...

About Freetrade Freetrade’s mission is to become the default place to invest. Investing has been too complicated and expensive for too long, keeping millions from making the most of their savings. We’re changing that. We’re building our team and looking for people who are excited to reshape how our customers invest and grow their wealth. If you’re driven by solving complex problems and building innovative products, you’ll fit right in. 2026 is a big year for us. Last year, we announced a game changing deal to become part of the IG Group. We’ll continue to operate as an independent business while gaining access to the resources and support of an established leader in the space. This year, we’re accelerating our roadmap and taking our products to the next level. We’re building new features like mutual funds, bonds, and family investment tools. We’re also exploring how we can leverage AI to deliver an even better experience for our customers. Why Join Our Engineering Team?...

Ready to take your career global? Make your mark at one of the biggest names in payments. We’re looking for a DevOps Engineer to join our ever‑evolving CI/CD Platform Team at Global Payments and help shape the future of global commerce. What You’ll Own Maintain and automate AWS infrastructure using Terraform and infrastructure‑as‑code best practices. Design, build, and operate containerized platforms using Docker and Amazon EKS. Design, build, and manage CI/CD platforms and tooling, including GitHub Enterprise Runners, CloudBees Jenkins, and Harness. Administer and govern the GitHub Enterprise Cloud platform to ensure scalability, security, and reliability. Host and operate enterprise GitHub runners for organization‑wide consumption by development teams. Provide technical guidance, enablement, and consultation to development teams consuming the central CI/CD platform. Act as a GitHub and GitHub Copilot SME, promoting best practices for AI‑assisted software...

Elliptic has helped trace and disrupt over $21.8 billion in illicit crypto laundered across blockchains, from sanctioned nation states to organized crime networks hiding funds through token swaps and unregulated exchanges. It’s how compliance and investigations teams fight back, tracking and screening transactions with 99% market coverage. The infrastructure behind all of this needs to be as resilient and sharp as the intelligence it delivers. We're looking for a Lead DevOps Engineer to own and evolve our DevOps practices. This is a role for someone who combines deep technical ability with a genuine passion for growing the team. You'll lead a team of DevOps engineers while staying close to the technical work, setting direction on infrastructure, automation, and reliability. The Impact You Will Have As a Lead DevOps Engineer at Elliptic, you will have a deep impact across the company by championing DevOps, security, and reliability principles. You’ll help build a culture of...

Department: Central Location: United Kingdom Compensation: £35,000 - £40,000 / year Description Job Title : Security Operations Engineer Employment type: Full time, permanent. Hybrid, 1-2 days a week in the Manchester office. Salary: Up to £40,000 per annum, depending on experience. We're looking for a skilled and proactive Security Operations Engineer to help protect AccessPay's people, platforms and customers. This is an exciting opportunity to join our Cyber Security team, where you'll play a key role in monitoring, detecting and responding to security threats while continuously improving our security capabilities. Working closely with the Cyber Security Manager and Engineering teams, you'll help ensure security is embedded throughout the software development lifecycle, strengthen our detection and response capabilities, and support the delivery of a secure-by-design culture. If you're passionate about cyber security, enjoy solving complex technical...

Grow with the challenge At the time of inception, cloud-based systems and API fluency were new. But that didn't scare us. We waved goodbye to legacy systems and embraced modern technology – where our true innovation began and didn't stop. No hierarchy, no egos. Just a spirit of collaboration that flows right throughout our organisation – it’s woven into our DNA. We genuinely want to know about each other’s learnings and expertise, especially where it can help us achieve bigger things. At ClearBank, we make things happen. We solve problems together because we know that many heads are always better than one. Valuing different perspectives is what sets our culture apart. And being able to disagree and commit is key to our progress. Above all we’re a team because when we win together, it feels so much better than doing it alone. What You Can Expect ClearBank is a place where you can do things differently and challenge the status quo. We will give...

Blockchain is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011, Blockchain has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions. We are looking for a Site Reliability Engineer to join our Core team to encourage infrastructure best practices across our organization that would allow to securely scale a distributed financial platform that touches millions of people a day. Our distributed financial platform tackles some of the most interesting problems in the crypto for millions of our customers and continues to grow rapidly. The SRE team at blockchain combines software and systems engineering to provide a platform that abstracts complexity for increased security, reliability and rapid product delivery. The SRE organization at...

About this opportunity Join our Digital Finance Lab and help shape the future of payments and digital assets at Lloyds Banking Group!   We're looking for a Senior Software Engineer to help design, build and evolve modern payment solutions that are secure, scalable and centred around customer needs. You'll work within the Payments Services Platform team, contributing to services that enable millions of customers and businesses to move money safely, quickly and confidently. This is an opportunity to combine deep engineering expertise with emerging technologies, helping us explore new payment capabilities and create value beyond today's products and services!   What you'll be doing Designing, building and enhancing payment services within a collaborative agile feature team. Delivering scalable, resilient software using modern architectures such as microservices and event-driven systems. Developing cloud-native solutions and...

We are looking for a Security Platform Engineering Manager to define, build and operate a portfolio of reusable security capabilities that can be consumed by engineering squads as part of our product delivery. This role will combine technical leadership with hands on engineering, ensuring that security controls are delivered as code, embedded into infrastructure and CI/CD pipelines, and aligned to our AWS first, Terraform led platform model. We are looking to expand and mature further our Platform Engineering capabilities by introducing a Security Platform Engineering team, with a goal to make secure by default the best and easiest path for squads building customer facing services. This team will engineer and operate reusable security capabilities as internal products, embedding security controls directly into infrastructure, CI/CD pipelines and service templates. Working closely with Cloud Platform Engineering, Security Operations and other engineering squads, the function will...

Build AI-powered product capabilities that automate, predict, and simplify user workflows Spendesk is looking for a Backend Software Engineer (IC3) to join our AI & Data Products squad and help build the next generation of product features powered by AI, ML, and intelligent automation. This is a hands-on backend role focused on turning predictive models, LLM capabilities, and business intelligence into real product experiences. You will work on backend services, APIs and MCPs that bring automation, prediction, and assisted decision-making into Spendesk’s user journeys, helping reduce manual work and make our product more proactive and intelligent. You will collaborate closely with the 3 ML Engineers in the squad, as well as Product Managers, Designers, and applicative squads across Spendesk. Together, you will build production-grade services that expose ML-driven and LLM-driven capabilities in ways that are reliable, observable, and valuable for end users. About...

About Us ClearBank was built on the belief that banking infrastructure would no longer slow down progress. Instead, it’s the catalyst that unlocks the potential to innovate. That’s why our clients — financial institutions from fintech’s and crypto platforms, to banks and credit unions — use our API to power their banking infrastructure. But we wouldn’t be ClearBank without our people. They’re what powers our innovative technology and the reason we love what we do every day. We’re a group of spirited people who are never afraid to challenge the norm – becoming stronger, more energised, and that much better when we’re together. It’s our belief in fairness, autonomy and choice that means our people are empowered with the tools to learn, grow, and contribute to ours and our clients’ success. Interested in joining us? Read on or visit our website for more information. About You You’ll be joining the...

About Us ClearBank was built on the belief that banking infrastructure should unlock progress, not slow it down. Our clients — from fintechs and crypto platforms to banks and credit unions — use our API to power their banking infrastructure. Our people power our technology and shape the way we work. We are a group of ambitious, collaborative people who challenge the norm and believe in fairness, autonomy and choice. We empower people with the tools to learn, grow and contribute to our clients’ success. About The Role You’ll join the Developer Experience team as a Senior AI Enablement Engineer, helping shape how ClearBank adopts, governs and measures AI across software engineering at scale. This role is for someone who can operate beyond individual tool usage and help define the platform, practices and controls needed for responsible AI-enabled engineering. You will work across multiple engineering teams to turn AI experimentation into scalable...

Elliptic has helped trace and disrupt over $21.8 billion in illicit crypto laundered across blockchains, from sanctioned nation states to organized crime networks hiding funds through token swaps and unregulated exchanges. It’s how compliance and investigations teams fight back, tracking and screening transactions with 99% market coverage. The infrastructure behind all of this needs to be as resilient and sharp as the intelligence it delivers. We are looking for a Senior DevOps Engineer with a strong background in DevOps and extensive hands-on experience with Kubernetes, someone who thrives on taking ownership, driving initiatives from concept to delivery, making informed decisions, and proactively improving systems and processes. You’ll play a key role in shaping our platform strategy, collaborating with talented engineers, and fostering a culture of reliability, security, and efficiency. The Impact You Will Have You will have a transformative impact across Ellitpic by...

Blockchain is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011, Blockchain has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions. We are looking for a Infrastructure Security Engineer with a proven track record in keeping systems safe. You will play a critical role in building and providing tooling that monitors our entire stack, from supporting our consumer-facing products and our institutional offerings to ensuring that we are capable of rapidly responding to cyber attacks on our colleagues and endpoints. Throughout our company, Security is a well-established mindset that leverages novel engineering approaches - as a Senior Infrastructure Security Engineer, you will lead by example and drive technical discussions with...

Our Story Hello there. We’re Zopa. We started our journey back in 2005, building the first ever peer-to-peer lending company. Fast forward to 2020 and we launched Zopa Bank. A bank that listens to what our customers don’t like about finance and does the opposite. We’re redefining what it feels like to work in finance. Our vision for a new era of banking puts people front and centre — we’ve built a business that empowers everyone to aim high, every day, to move finance forward. Find out more about our fantastic offerings at Zopa.com ! We’re incredibly proud of our achievements and none of it would be possible without the amazing team here. It’s not just industry awards we’re winning, we’ve also been named in the top three UK’s Most Loved Workplaces. If you embrace unconventional challenges, are unafraid to think differently and are driven to make an outsized impact, you’ll thrive here at Zopa, so join us, and make it count. Want to see us in action? Follow us on Instagram...

Job Description Job Title: Blockchain / DLT Developer Developer Location: Ipswich, London or Remote As a Blockchain Developer at MACH, you will play a central role in designing, building, and deploying distributed ledger and smart contract solutions for our financial services clients. You will work across Ethereum, Hedera, Algorand, and MACH Chain (our proprietary blockchain platform) to deliver secure, scalable, and high-performance decentralised applications. Collaborating with cross-functional teams including architects, product managers, and client stakeholders, you will bring deep technical expertise and a proactive approach to solving complex on-chain challenges. Job Requirements Responsibilities include: Design, develop, and deploy smart contracts and decentralised applications across Ethereum, Hedera, Algorand, and MACH Chain (our proprietary blockchain). Design and implement blockchain-based solutions tailored to the specific requirements of financial...

Job Description Build technology that helps the world’s leading insurers make better decisions At Verisk, we combine data, analytics, and technology to help businesses make informed decisions and solve complex challenges. Our solutions power some of the world's most recognized insurance organizations, helping them operate smarter, faster, and with greater confidence. We're looking for a Principal Full Stack Engineer who enjoys solving complex technical problems, influencing architecture decisions, and building modern, scalable software that delivers real business impact. This is an opportunity to play a key role in shaping the future of our platform while working alongside experienced engineers in a collaborative and supportive environment. If you're energized by technical leadership, modern cloud technologies, and building products at scale, we'd love to hear from you. Responsibilities Lead the design and development of large-scale software solutions that support...

Department: Technology Location: London Description Overview of the role This role leads the Banking and FX tribe, which owns payment processing, FX pricing and trading, the ledger, reconciliation, bank integrations, FIX engine connectivity, payment compliance, and the client portal. You will manage six to eight engineers and own the tribe's delivery and OKRs. You'd work with product, design and stakeholders across the business to turn client problems into things we actually ship and support. This is not a fully hands-on role, but you need to be technical enough to help your team when they need it, review code, and break the tie when a decision has to be made. Key Responsibilities Own delivery and OKRs for the tribe. Forecast it, sequence it, and say early when something is slipping. Work with product, design and stakeholders to turn client problems into shipped software. Push past the first solution someone offers to the problem underneath it. Take the...