679 senior software engineer security jobs found

This is Adyen Adyen provides payments, data, and financial products in a single solution for customers like Meta, Uber, H&M, and Microsoft - making us the financial technology platform of choice. At Adyen, everything we do is engineered for ambition.  For our teams, we create an environment with opportunities for our people to succeed, backed by the culture and support to ensure they are enabled to truly own their careers. We are motivated individuals who tackle unique technical challenges at scale and solve them as a team. Together, we deliver innovative and ethical solutions that help businesses achieve their ambitions faster. Security at Adyen We took an unobvious approach to starting a payments company, building a platform from scratch. Today, we're the payments platform of choice for the world's brightest companies. Our unobvious approach is a product of our diverse perspectives. This diversity, of backgrounds, cultures, and perspectives, is essential in...

Ready to be pushed beyond what you think you’re capable of? At Coinbase, our mission is to increase economic freedom in the world. It’s a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform — and with it, the future global financial system. To achieve our mission, we’re seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the financial system. We want someone who is eager to leave their mark on the world, who relishes the pressure and privilege of working with high caliber colleagues, and who actively seeks feedback to keep leveling up. We want someone who will run towards, not away from, solving the company’s hardest problems. Our work culture is intense and isn’t for everyone. But if you want to build the future alongside others who excel in their disciplines and expect the same from you, there’s no...

Ready to be pushed beyond what you think you’re capable of? At Coinbase, our mission is to increase economic freedom in the world. It’s a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform — and with it, the future global financial system. To achieve our mission, we’re seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the financial system. We want someone who is eager to leave their mark on the world, who relishes the pressure and privilege of working with high caliber colleagues, and who actively seeks feedback to keep leveling up. We want someone who will run towards, not away from, solving the company’s hardest problems. Our work culture is intense and isn’t for everyone. But if you want to build the future alongside others who excel in their disciplines and expect the same from you, there’s no...

The LSEG DevSecOps Engineering team inside the cyber security division is looking for Senior Software Engineers to build tools and automations to help secure software development for thousands of developers across the group.   You will be working as part of a geographically distributed remote team comprising of security engineers and software engineers. Our team’s mission is to allow engineers to embed security best practices frictionlessly as part of their day to day work.   The ideal candidate will have the following skills:  Deep understanding of cyber security principles, secure software development, and threat modeling Experience conducting security assessments, code reviews, and vulnerability management across diverse technology stacks Experience in building full-stack products (web applications, APIs, CI tooling or low-level software)  Hands-on experience with cloud technologies (AWS, GCP, Azure) and containers (Docker, Kubernetes), with a focus on...

About LSEG: The London Stock Exchange Group (LSEG) is a global financial markets infrastructure and data provider headquartered in London, UK. Established in 2007, though its core institution—the London Stock Exchange—dates to 1801, LSEG plays a meaningful role in capital markets worldwide. It operates several trading venues, including the London Stock Exchange, Borsa Italiana, and Turquoise. Application Support Engineer role that does the ingestion and delivery of subsets of licensed data to each of our client bases using in-house software. This role also involves taking database backup/restore, application installation & configuration, system maintenance and troubleshooting, DB failover, Cluster failover and DR failover. Interacting with the software, supervising the application process and logs, handling issues or escalating issues to the respective team. The role requires a detail-oriented person who can follow through on instructions, adapt as needed while working in...

Coordinates activities within the team and applies knowledge of the technology domain to support with the development of technology products. Role Responsibilities & Key Accountabilities: - Implements, tunes, and conducts ongoing administration of data layer and infrastructures, Conducts ongoing administration of data layer, application and infrastructure including proposing application systems changes, better uses and improvements - Improves the whole lifecycle of services from inception and design, through deployment, operation, and refinement. - Provides support services before they launch through activities such as system design consulting, developing software platforms and frameworks, capacity planning, and launch reviews. - Leads availability, performance monitoring, and capacity planning of critical services, on building automation to prevent problem recurrence, and on building automated responses for non-exceptional service conditions. - Maintains services once they...

End Date Saturday 29 November 2025 We support flexible working – click here for more information on flexible working options Flexible Working Options Hybrid Working, Job Share Job Description Summary . Job Description JOB TITLE: Senior Quality Engineer  SALARY: Regional: £70,929–£78,810 pa  London: £81,999-£91,110 pa LOCATIONS: Edinburgh, Bristol & London HOURS: Full-time – 35 hours per week  WORKING PATTERN: Hybrid – 40% (or two days) in one of our office locations above. ABOUT US Like the modern Britain we serve, we’re evolving. Investing billions in our people, data and tech to transform the way we meet the ever-changing needs of our 26 million customers. We’re growing with purpose. Join us on our journey and you will too… A BOUT THIS OPPORTUNITY Are you a Quality Engineer looking for your next role? We’ve got some exciting opportunities for Quality Engineers to join across multiple platforms....

End Date Salary Range We support flexible working – click here for more information on flexible working options Flexible Working Options Hybrid Working, Job Share Job Description Summary Software Engineer will focus on assisting in the design, development, testing and maintenance of software applications, gaining practical experience whilst working under the guidance of senior engineers. Job Description Want to know more? There's a big opportunity here for you to join our Front-end Engineering team and take part in this transformation. You'll thrive in a flexible, collaborative setting where your work on web, mobile, and tablet apps directly impacts millions every day. We're offering great growth opportunities, but it requires you to take initiative, build relationships, and make things happen. Your efforts can positively affect our customers, colleagues, and communities. A Lab is a co-located team working together on key projects to...

About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company.  We realize people do not fit into neat boxes. We are looking for curious and empathetic individuals who are committed to developing themselves and learning new...

About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company.  We realize people do not fit into neat boxes. We are looking for curious and empathetic individuals who are committed to developing themselves and learning new...

About the Company Gemini is a global crypto and Web3 platform founded by Cameron and Tyler Winklevoss in 2014, offering a wide range of simple, reliable, and secure crypto products and services to individuals and institutions in over 70 countries. Our mission is to unlock the next era of financial, creative, and personal freedom by providing trusted access to the decentralized future. We envision a world where crypto reshapes the global financial system, internet, and money to create greater choice, independence, and opportunity for all — bridging traditional finance with the emerging cryptoeconomy in a way that is more open, fair, and secure. As a publicly traded company, Gemini is poised to accelerate this vision with greater scale, reach, and impact. The Department: Data At Gemini, our Data Team is the engine that powers insight, innovation, and trust across the company. We bring together world-class data engineers, platform engineers, machine learning engineers,...

Ready to be pushed beyond what you think you’re capable of? At Coinbase, our mission is to increase economic freedom in the world. It’s a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform — and with it, the future global financial system. To achieve our mission, we’re seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the financial system. We want someone who is eager to leave their mark on the world, who relishes the pressure and privilege of working with high caliber colleagues, and who actively seeks feedback to keep leveling up. We want someone who will run towards, not away from, solving the company’s hardest problems. Our work culture is intense and isn’t for everyone. But if you want to build the future alongside others who excel in their disciplines and expect the same from you, there’s no...

Ready to be pushed beyond what you think you’re capable of? At Coinbase, our mission is to increase economic freedom in the world. It’s a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform — and with it, the future global financial system. To achieve our mission, we’re seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the financial system. We want someone who is eager to leave their mark on the world, who relishes the pressure and privilege of working with high caliber colleagues, and who actively seeks feedback to keep leveling up. We want someone who will run towards, not away from, solving the company’s hardest problems. Our work culture is intense and isn’t for everyone. But if you want to build the future alongside others who excel in their disciplines and expect the same from you, there’s no...

Ready to be pushed beyond what you think you’re capable of? At Coinbase, our mission is to increase economic freedom in the world. It’s a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform — and with it, the future global financial system. To achieve our mission, we’re seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the financial system. We want someone who is eager to leave their mark on the world, who relishes the pressure and privilege of working with high caliber colleagues, and who actively seeks feedback to keep leveling up. We want someone who will run towards, not away from, solving the company’s hardest problems. Our work culture is intense and isn’t for everyone. But if you want to build the future alongside others who excel in their disciplines and expect the same from you, there’s no...

Ready to be pushed beyond what you think you’re capable of? At Coinbase, our mission is to increase economic freedom in the world. It’s a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform — and with it, the future global financial system. To achieve our mission, we’re seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the financial system. We want someone who is eager to leave their mark on the world, who relishes the pressure and privilege of working with high caliber colleagues, and who actively seeks feedback to keep leveling up. We want someone who will run towards, not away from, solving the company’s hardest problems. Our work culture is intense and isn’t for everyone. But if you want to build the future alongside others who excel in their disciplines and expect the same from you, there’s no...

The Role: ION Markets Information Security Team is looking to hire a Platform Security Engineer that support the division’s security strategy through definition and implementation of security controls across our platforms, infrastructure, and operational workflows. As the Platform Security Engineer, you will be responsible for designing and implementing end-to-end security controls across ION Markets on-premises infrastructure and other internal platforms. The role spans security architecture, engineering, and operations with a strong focus on automation, detection and secure by design principles. Additionally, as part of the role you will be participating in threat detection, incident response and vulnerability management remediation. You will be serving as an operational responder, working closely with Product, infrastructure and Security Operations teams. We are looking for a hard-working, dedicated and motivated individual. Excellent communication...

Your role We are looking for a Senior Frontend Engineer to join the core team building a new corporate social-media-style portal used across the company. You will be responsible for designing and implementing a modern, responsive, and high-performance user interface that employees will interact with daily. You will work closely with Product, Backend, QA, and Design to deliver intuitive and engaging user experiences, with a focus on usability, performance, accessibility, and scalability. You will: Collaborate with Product and Design teams to define and refine user-facing features Develop the frontend part of the web application from the ground up Build reusable, scalable, and well-structured React components and UI modules Ensure application performance, security, accessibility, and a smooth user experience across devices Integrate with backend APIs, authentication (SSO), media services, notifications, and analytics Promote and maintain code quality,...

OKX will be prioritising applicants who have a current right to work in Singapore, and do not require OKX's sponsorship of a visa.   Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves. Across our multiple offices globally, we are united by our core principles: We Before Me , Do the Right Thing , and Get Things Done . These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er. OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX,...

Blockchain.com 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.com has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions. Blockchain.com is the world's leading software platform for digital assets. Offering the largest production blockchain platform in the world, we share the passion to code, create, and ultimately build an open, accessible and fair financial future, one piece of software at a time. We are looking for a proactive, thorough Senior Software Engineer to help build our Defi platform. You will play a critical role in building financial and crypto-native products, services and APIs. As a Senior Back-End Engineer you should lead by example - driving the technical discussions, influencing the...

Blockchain.com 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.com has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions. Blockchain is the world's leading software platform for digital assets. Founded in 2011, we provide the world’s largest and most trusted production blockchain platform, powering more than 75 million wallets. Together with our platform of liquidity and execution services, we share the passion to build an open, accessible and fair financial future, one piece of software at a time. We are looking to hire a Senior Software Engineer to join our Institutional team in our Singapore office. Blockchain.com is a high-performance culture marked by fearlessness and hyper productivity. You are a...

Blockchain.com 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.com has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions. Blockchain is the world's leading software platform for digital assets. Founded in 2011, we provide the world’s largest and most trusted production blockchain platform, powering more than 75 million wallets. Together with our platform of liquidity and execution services, we share the passion to build an open, accessible and fair financial future, one piece of software at a time. We are looking to hire a Senior Software Engineer to join our Institutional team in our Paris office. Blockchain.com is a high-performance culture marked by fearlessness and hyper productivity. You are a...

Copenhagen, Denmark Saxo is becoming even more   data-driven .   We’re   seeking a Senior Data Engineer to build and   operate   the data foundation for marketing analytics, personalization,   experimentation   and data science that drive top-funnel growth.   About the team   You’ll   join Digital Analytics & Marketing Science, partnering with analysts, data scientists, Enterprise   Architecture   and the Data Platform to deliver secure, reliable datasets and services for data-driven marketing and business outcomes.   What   you’ll   do   Own end-to-end data products: from ingestion to production ops with clear SLAs/SLOs   Build batch and streaming pipelines on Databricks/Spark with Delta Lake (incl.   CDC,   enrichment , features/model scoring)   Design   optimized   data models for analytics/ML; manage schema evolution and versioning   Implement robust data quality and...