123 principal engineer jobs found

Job Description: About BIDS Trading BIDS Trading is an institutional network and broker/dealer that provides software to help asset managers trade large blocks of liquidity. BIDS Trading operates one of the world’s largest equity block trading systems across the U.S., Europe, Canada, Australia, and Japan. Our flagship trading workstation, BIDS Trader, delivers block trading opportunities to hundreds of the world’s largest asset managers. About The Role We are seeking a product-focused Principal Software Engineer to play a pivotal role in shaping the future of our buy-side product offerings. The right candidate will bring an entrepreneurial mindset to optimize existing product capabilities and partner with our business strategy experts to create new products, unlocking business opportunities. This role includes crafting a forward-looking roadmap for BIDS Trader, as well as delivering on that vision. Key Responsibilities Product Ownership : Take full...

This is Adyen Adyen provides payments, data, and financial products in a single solution for customers like Facebook, 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. The people of Adyen 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. Solution Overview As a Principal Engineer in Financial Products, you’ll contribute in a game-changing way to build, release, grow and scale Adyen’s financial products, such as Card Issuing, Bank Accounts, Payouts, Liquidity management, and Capital loans. These products are strategic and heavily influential to the future...

Who we are  We simplify wealth creation. Founded in 2014 in Vienna, Austria by Eric Demuth, Paul Klanschek and Christian Trummer, we’re here to help people trust themselves enough to build their financial freedom — for now and the future. Our user-friendly, trade-everything platform empowers both first-time investors and seasoned experts to invest in the cryptocurrencies, crypto indices, stocks*, precious metals and commodities* they want — with any sized budget, 24/7. Our global team works across different cultures and time zones, bringing our products to more than 6 million customers, making us one of Europe’s safest and most secure platforms that powers modern investing. Headquartered in Austria but operating across Europe, our products are built by fast-moving, talented, “roll-up-your-sleeves-and-make-it-happen” kind of people. It’s these diverse perspectives and innovative minds operating as ONE TEAM that keep Bitpanda at the cutting edge of our industry. So if you’re...

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, OKX Wallet, OKLink and more. About the Opportunity We are seeking a  Principal Engineer  with a deep expertise in...

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, OKX Wallet, OKLink...

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, OKX Wallet, OKLink...

As a Cloud Products and Patterns Principal Engineer within our Infrastructure & Cloud team, you will be instrumental in executing the strategic direction set by the Cloud Products and Patterns Director. Your role will focus on the operational leadership, development, and implementation of cloud products and patterns, ensuring innovative, secure and scalable cloud solutions. You will foster collaboration, empower teams, and drive best practices to deliver seamless and efficient cloud infrastructure deployments Core Responsibilities:   Work with product partners to develop the technology strategy, roadmap and vision for the platforms you own and deliver capabilities   Developing patterns for cloud to enable emerging business initiatives Share your passion for staying on top of tech trends, experimenting with and learning new technologies  Develop and Utilizing Infrastructure As Code (IAC) tools like Terraform to build and manage cloud resources...

Join LSEG’s World-Check Risk Intelligence Team Empowering due diligence with trusted data and cutting-edge technology. World-Check Risk Intelligence provides accurate, reliable information and powerful tools to support compliance with due diligence obligations, including Know Your Customer (KYC) screening and anti-money laundering (AML) requirements. We are seeking a visionary Senior Principal Software Engineer to lead the design and development of scalable, high-performance software solutions in World-Check Content Curation Platform . This role is ideal for a seasoned technologist who thrives in complex environments, drives innovation, and mentors engineering teams to deliver world-class products. You will play a critical role in shaping our technical strategy and implementation, engineering best practices, and engineering culture. At LSEG, we prioritize equal opportunity and are committed to building diverse teams that foster collaboration and innovation. Key...

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...

Principal AI Engineer Role Summary Serve as a principal engineer driving end‑to‑end design, development, and delivery of scalable, secure, high‑performance software and AI solutions. Combine deep engineering expertise with hands‑on Large Language Model (LLM) integration, prompt engineering, and engineering leadership. What You'll Do Software Engineering Design and implement complex services and platforms. Write clean, maintainable, well‑tested code (Java, Python, plus other high-level languages). Perform performance tuning and root‑cause analysis of critical issues. AI & Machine Learning Leadership Design and refine prompt engineering strategies for production LLM applications Integrate, optimize, and evaluate LLMs working with retrieval‑augmented generation (RAG), Agentic AI, embeddings, vector databases and prompt management tools Lead model selection, fine-tuning, and deployment strategies for financial use cases Build and maintain AI evaluation...

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...

Join LSEG’s World-Check Risk Intelligence Team Empowering due diligence with trusted data and cutting-edge technology. World-Check Risk Intelligence provides accurate, reliable information and powerful tools to support compliance with due diligence obligations, including Know Your Customer (KYC) screening and anti-money laundering (AML) requirements. We are seeking a visionary   Principal Software Engineer  to lead the design and development of scalable, high-performance software solutions in   World-Check Content Curation Platform . This role is ideal for a seasoned technologist who thrives in complex environments, drives innovation, and mentors engineering teams to deliver world-class products. You will play a critical role in shaping our technical strategy and implementation, engineering best practices, and engineering culture. At LSEG, we prioritize equal opportunity and are committed to building diverse teams that foster collaboration and innovation....

Join LSEG’s World-Check Risk Intelligence Team Empowering due diligence with trusted data and cutting-edge technology. World-Check Risk Intelligence provides accurate, reliable information and powerful tools to support compliance with due diligence obligations, including Know Your Customer (KYC) screening and anti-money laundering (AML) requirements. We are seeking a highly experienced and strategic Senior Principal Quality Engineer to lead quality engineering across our most critical platforms and products. This role is ideal for a quality-focused leader who combines deep technical expertise with a passion for driving excellence in engineering practices, automation, and continuous improvement. You will play a key role in shaping our quality strategy, mentoring teams, and ensuring our software meets the highest standards of reliability, performance, and security. Key Responsibilities: Define and lead content curation and distribution quality engineering...

Position Summary The role includes ongoing support and reliability of the LSEG ecosystem (Platforms, Networks, Applications, Services, and Websites).  The focus of this role is to provide 3rd line support to the Operations and Project Delivery (Implementation) functions, ensuring operational stability and ongoing adaptability of the LSEG global network. Key responsibilities are creating and maintaining software automation that provides the reliability and availability of digital platforms and their software delivery pipelines. Role Responsibilities Supports the technology lifecycle through the design, build and maintenance of systems Administer LSEG network services, ensuring applications and services perform against baselines levels  Monitors network services, focusing on availability, while identifying improvement opportunities Handles service providers (telcos), third parties and partners as required Makes technical design and amendment decisions and independently handles...

Role profile:   Are you an experienced software engineer with a passion for productioni z ing data science solutions? Do you want to build innovative products for financial professionals using cutting edge tech ? If so, we’d love to talk to you.    Role summary:   You will be working for a growing organization.   You will develop of high-impact, scalable AI solutions.   You will combine strategic thinking, strong problem-solving skills, and a collaborative approach to ensure your team successfully ships great products .    What you'll be doing:   Design and development of scalable software products .   Solve complex technical issues, optimize workflows, and provide strategic insights to partners to support project goals and timelines.    Collaborate closely with Data Science , research and product teams    Set high technical standards   This is a hands-on, individual...

Job Summary: Senior Network Engineer - The ideal candidate will have 10+ years of hands-on experience in designing, implementing, and managing complex network environments. This role demands deep expertise in Routing & Switching, Wireless Networking, SD-WAN, Cisco Catalyst platforms, FortiGate Firewalls, DMVPN. Key Responsibilities: - Design, deploy, and maintain Enterprise Office Network infrastructure across multiple sites. - Configure and troubleshoot Cisco Catalyst and Juniper EX platforms routing and switching platforms. - Design, Implement and Manage / optimize wireless networks, including Cisco WLCs and APs. - Implement and manage SD-WAN solutions. - Administer and secure FortiGate / Juniper SRX Firewalls including policy creation, VPN setup, and threat management. - Design and support DMVPN topologies and S2S VPN for secure site-to-site connectivity. - Perform network performance tuning, capacity planning, and proactive monitoring. - Collaborate with cross-functional...

Role Responsibilities & Key Accountabilities: - Leads projects priorities, deadlines, and outcomes. - Utilises deep knowledge of site reliability, software engineering, programming languages, tooling, frameworks, infrastructure and systems for each task. - Leads designs of software components, systems, and features to improve the availability, scalability, latency, and efficiency of LSEG’s services. - Leads sustainable incident response and production improvements for LSEG. - Provides mentorship and advice to other team members on leading availability and performance of critical services, building automation to prevent problem recurrence, and building automated responses for non-exceptional service conditions. - Mentors and trains other team members on design techniques and coding standards, and cultivate innovation and collaboration. - Writes and reviews highly optimised and accurate code for LSEG products and solutions and provides feedback and suggested improvements to team...

End Date Friday 09 January 2026 Salary Range £92,701 - £109,060 We support flexible working – click here for more information on flexible working options Flexible Working Options Hybrid Working, Job Share Job Description Summary JOB TITLE: Principal Data Engineer SALARY: £90,440 - £106,400 LOCATION: Bristol HOURS: Full-time WORKING PATTERN: Our work style is hybrid, which involves spending at least two days per week, or 40% of our time, at one of our office sites. Job Description   About this opportunity : Join our Personalised Experiences and Communications Platform as a Principal Data Engineer. You'll work within multi-functional product engineering teams to deliver top-quality data capabilities, demonstrating your engineering expertise and cloud opportunities  What   you’ll   be doing:       Architect and implement scalable, resilient, low-latency data systems.   Ensure systems meet performance and...

Why Nasdaq When you work at Nasdaq, you’re working for more open and transparent markets so that more people can access opportunities. Connections can be made, jobs can be created, and communities can thrive. We want all our employees to have access to opportunity, too. That means planning for career growth, ensuring you have the tools you need, and promoting an inclusive culture where we’re all valued for our unique perspective.   Here, you will work for a global tech leader committed to breaking down barriers to inclusive prosperity. We see technology as a means to free people up to work together more productively and effectively by centralizing data, analytics, and market intelligence.   Here, we’re committed to building a more diverse and inclusive workforce. Not only is it our responsibility to do better, but we also need representative voices to power the fresh thinking that is vital for our business and our clients.   What We Offer The...

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...

As a Principal Software Engineer reporting to the VP of Engineering, you’ll play a critical role in supporting and enhancing the trading systems used for running the US Equities Markets. Initially, the primary responsibility be focused with working on the two Trade Reporting Facilities (TRFs) run by NASDAQ. Over time, however, the role is expected to grow into broader support of both the exchanges and the routing systems managed by NASDAQ. You’ll thrive in this position if you’re collaborative, data-driven, love solving technical challenges, and have a passion for both technology and learning the business-needs driving the changes of the US Financial markets. Key Responsibilities Work with business teams to design enhancements to the NASDAQ trading systems Work with engineering teams to design performance, capacity, and infrastructure improvements along Rearchitect solutions to remove technical debt Develop, test, and deploy these enhancements Guide QA and train...

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, OKX Wallet, OKLink and more.   Introduction We are seeking a highly skilled Principal AI Engineer to join our AI team. This role is focused...

  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,...

Job Description: Building trusted markets — powered by our people       At Cboe Global Markets, we inspire our people to solve complex challenges together because what we do matters. We provide the financial infrastructure that powers the global economy. As a leading provider of market infrastructure and tradable products, Cboe delivers cutting-edge trading, clearing and investment solutions to market participants around the world.        We’re building meaningful ways to support professional and personal development while strengthening the trust we’ve earned as a global market leader. Our teams are empowered to share ideas, actively pursue them and bring on a challenge. As champions of internal mobility and access to opportunity, we encourage our people to “go for it” and equip our managers with the training to coach their teams to the next level. We strive to provide employees a safe space to network, share ideas and create...