Staff Software Engineer

Our VisionAt Omnea, we are passionately transforming the enterprise landscape, specifically tackling the complexities of procurement. Our goal is to eliminate the lengthy processes that often involve over 50 emails and the engagement of multiple departments such as Finance, Legal, Security, and IT just to secure a simple purchase approval.With a significant investment of $75M from Khosla Ventures, Insight Partners, and Accel, we are set on a mission to revolutionize this space. Our AI-driven platform seamlessly integrates all stakeholders, automating approvals and renewals, managing supplier risks in real-time, and providing complete visibility into spending.The procurement market is valued at over $7B, and our remarkable progress demonstrates the potential: we have achieved a tenfold increase in ARR to double-digit millions within just 18 months, working with esteemed global clients like Spotify, MongoDB, Monzo, and Albertsons. We are proud to be recognized as the 4th fastest growing startup in Europe.Our team boasts experience from scaling Tessian (a cybersecurity tech firm supported by Sequoia, Balderton, and Accel, acquired post-Series C), including former founders and operators who have led unicorn companies and developed top-tier products. You will collaborate with distinguished leaders such as Ben, Abs, Sabrina, and Rebe.What We SeekWe are on the lookout for an outstanding, product-oriented Team Leader - Staff Software Engineer (L4) to enhance our engineering team and navigate Omnea through this exciting growth phase. In the upcoming year, we aim to double our team size, expand our enterprise client base from approximately 100 to over 200, and triple our revenue. This Staff-level position offers a significant opportunity for domain-level influence, combining senior technical leadership with team management duties. You will guide a team, mentor engineers, and shape architectural and product decisions across a broader domain while remaining actively engaged in critical areas.You will be joining us at a critical juncture as we have just secured a $50M funding round to further our mission...

Our MissionAt Omnea, we are transforming the operational landscape for enterprise businesses, focusing on the most challenging aspect: procurement. This often lengthy process can lead to delays of months, generate over 50 emails, and involve multiple departments such as Finance, Legal, Security, and IT for a single purchase approval.With the support of $75M from Khosla Ventures, Insight Partners, and Accel, we are determined to streamline this process. Our AI-driven platform integrates people, steps, and systems to ensure that purchasing is swift, secure, and efficient—providing a single point for requests, automated approvals and renewals, real-time supplier risk assessments, and comprehensive spend visibility.We are venturing into a $7B+ untapped market, and our growth speaks volumes: in just 18 months, we have increased our ARR tenfold to double-digit millions, gaining the trust of global enterprises including Spotify, MongoDB, Monzo, and Albertsons. We proudly stand as the 4th fastest growing startup in Europe.Our team previously scaled Tessian (cybersecurity technology, backed by Sequoia, Balderton, Accel, and acquired post-Series C), and consists of ex-founders and operators who have successfully led unicorns, launched top-tier products, and operated at the highest levels of performance. You'll collaborate with leaders such as Ben, Abs, Sabrina, and Rebe.What We're Looking ForWe are seeking an outstanding, product-focused Team Leader – Senior Software Engineer to join our engineering team and drive Omnea’s growth during this exciting phase. In the next year, we plan to double our team size, expand our enterprise customer base from approximately 100 to over 200, and triple our revenue. In this role, you will assume increased responsibilities in technical leadership, ownership of project delivery, and significant product influence, guiding Omnea as we transition from a startup to a scale-up.This is a pivotal time for us as we have recently secured $50M in Series B funding from Khosla Ventures,...

Ebury is on a mission to empower ambitious businesses to achieve global growth. We extend the same philosophy to our team members, promoting innovation, collaboration, and problem-solving in an inclusive environment where everyone feels valued, supported, and empowered to thrive.If you are a collaborative individual eager to revolutionize global business operations, we encourage you to reach out. Join us at Ebury and accelerate your career while shaping the future of finance.Join Our Team as a Staff Software Engineer (Enabling Teams)Location: London Office - Hybrid: 4 days in the office, 1 day remoteEbury is seeking highly skilled and motivated Staff Software Engineers to enhance our engineering division in London. This is a remarkable opportunity to make a significant impact within a leading FinTech firm. As a Staff Software Engineer, you will be a crucial member of our team from day one, contributing to mission-critical projects and deploying production code within your first week. Your role will involve collaboration with various product squads alongside Engineers, Product Designers, and Product Managers. We expect you to tackle complex challenges and guide your team to make informed trade-offs. You will be immersed in both the intricate details and the overarching vision of our projects. Additionally, you'll play a pivotal role in engineering leadership and cultivate strong relationships with stakeholders across the organization. We are committed to identifying and nurturing future technical leaders; for those who exhibit exceptional performance and potential, we offer an accelerated career progression path.

Join our dynamic team as a Staff Software Engineer at CyberArk, where you will be instrumental in developing cutting-edge security solutions. You will collaborate with a talented group of engineers to design, implement, and maintain software systems that protect against evolving cyber threats. Your expertise will contribute to innovative projects that shape the future of enterprise security.

Join Our Team as a Staff Software EngineerAt Deliveroo, we are dedicated to revolutionizing the way people shop and dine. Our commitment to impact, innovation, and growth is at the core of everything we do. Our engineering teams are tasked with addressing intricate technical challenges within a global, three-sided marketplace, developing and scaling systems that cater to millions of customers, riders, and partners daily.From real-time logistics to robust infrastructure and marketplace optimization, we design, build, and operate the technology that fuels Deliveroo's expansive growth.We are seeking a Staff Software Engineer to become a key member of our London, UK - Hybrid (3 days in the office) team. In this pivotal role, you will help us craft technical solutions for essential business challenges and steer the technical direction for complex, high-scale systems.Discover our Engineering team — learn about our motivations, work culture, and what you can expect when you join us.

Join Plaid as a Staff Software Engineer and be a vital part of our team in London. We are looking for innovative engineers who are passionate about building the infrastructure that powers the future of fintech. You will work alongside talented professionals, contributing to an exciting array of projects that will challenge your skills and help you grow.

About Checkout.com Checkout.com helps businesses succeed in the digital economy. Leading companies such as eBay, ASOS, Klarna, Uber Eats, and Sony rely on our platform to process seamless online payments. Our global network supports billions of transactions each year, focusing on reliability and ease of use. Headquartered in London, Checkout.com operates from 19 offices across six continents. The company values high performance and continuous improvement. Working here means contributing to the future of fintech alongside teams striving for excellence. Role Overview: Staff Software Engineer - Streaming The Data and AI Platform Team is looking for a Staff Software Engineer to help build a scalable platform for AI-driven streaming and batch data applications. This platform will improve how data is shared and used across Checkout.com, supporting business growth and performance. The team’s mission is to make it easier for internal teams to collect, store, process, and use data for impactful AI projects and data products. The focus is on reducing technical overhead so engineers can spend more time solving business challenges, not managing infrastructure or deployments. Current work lays the foundation for systems that will scale to support hundreds of teams and handle petabytes of data. Main Responsibilities Design and develop a highly available event streaming platform using technologies like Kafka and Flink. Offer technical leadership and mentorship, providing strategic direction and building strong relationships with engineers and managers across the organization. Work with cross-functional teams to deliver data solutions that support business goals. Location This role is based in London.

Join Carta, a leading financial technology company, as a Staff Software Engineer. In this role, you will contribute to the development of innovative software solutions that empower companies to manage their equity and ownership structures more effectively. You will collaborate with cross-functional teams, leveraging the latest technologies to deliver robust and scalable applications.

Join our innovative team at Astronomer as a Staff Software Engineer specializing in Data. In this role, you will help shape the future of data engineering solutions that empower organizations to harness the full potential of their data. You will work collaboratively with cross-functional teams to design, develop, and optimize data pipelines and infrastructure, ensuring high performance and reliability.

Role Overview Utility Warehouse is looking for a Staff Software Engineer to focus on Energy. This role shapes the design and implementation of software that supports our energy services. The position calls for both technical leadership and hands-on development. What You Will Do Design and build software solutions for energy products and services Guide engineers to deliver reliable, maintainable code Promote sustainability and efficiency in technical decisions Impact This position supports Utility Warehouse’s goal of improving the energy sector with technology. Staff Engineers in this area influence both the technical direction and the quality of delivery across teams.

Join Ki Insurance, a pioneer in the insurance industry, as we redefine a 335-year-old market with cutting-edge technology. Our innovative platform, developed in collaboration with Google and UCL, leverages algorithms and machine learning to deliver lightning-fast quotes to insurance brokers, transforming the industry standard.As the largest global algorithmic insurance carrier and the fastest-growing syndicate in the Lloyd's of London market, Ki Insurance has achieved extraordinary milestones, including generating $100 million in profit within just three years.Our diverse teams thrive in an agile, cross-functional environment, where collaboration and creativity lead to exceptional customer experiences. We are on the lookout for brilliant minds to join us on our mission to challenge conventions and explore new possibilities.As a Staff Software Engineer, you will play a pivotal role in our engineering team, providing technical leadership to both delivery squads and the broader engineering organization. You will champion engineering excellence and uphold high standards of quality, fostering a culture of continuous improvement. Your hands-on approach will enable you to design and deliver impactful software solutions while guiding your colleagues to achieve collective goals.Are you ready to make your mark? Develop robust and scalable software for critical web-based applications.Design, implement, test, document, and maintain APIs and integrations.Create new features within our core Kotlin-based services, collaborating with multi-disciplinary teams.Ensure quality control through techniques such as automated testing, code review, and pair programming.Work closely with the Product team to translate user requirements into effective technical solutions.Document technical designs and analyses thoroughly.Evaluate existing system architecture, identifying areas for enhancement and growth.Prototype and explore innovative ideas and technologies swiftly.Promote a culture of continuous improvement, leading by example and positively influencing our practices.

Join our dynamic team at Greene King as a Team Leader! We are seeking an enthusiastic individual to take charge and inspire our team while delivering exceptional service in a vibrant environment. This is an excellent opportunity for someone looking to develop their leadership skills and contribute to our mission of providing memorable experiences for our guests.

About AirwallexAirwallex stands as the only integrated payments and financial platform tailored for global enterprises. Our unique blend of proprietary infrastructure and innovative software empowers over 200,000 businesses globally, including industry leaders like Brex, Rippling, Navan, Qantas, and SHEIN, offering fully integrated solutions for managing business accounts, payments, spend management, treasury, and embedded finance on a worldwide scale.Established in Melbourne, our team comprises more than 2,000 of the brightest minds in the tech industry across 26 global offices. Valued at US$8 billion and supported by world-renowned investors such as T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and Lone Pine Capital, Airwallex is at the forefront of constructing the global financial and payments platform of the future. If you are prepared to engage in the most ambitious work of your career, we invite you to join us.

At Ripple, we are pioneering a future where value transfers seamlessly, akin to the flow of information. Our vision is ambitious, and we are already transforming the landscape. With our innovative crypto solutions tailored for financial institutions, businesses, governments, and developers, we are enhancing the global financial ecosystem, fostering economic equity, and creating opportunities for individuals worldwide. Join a team where you can engage in meaningful work while honing your skills in a supportive and collaborative environment.If you are eager to witness the tangible impact of your contributions and explore remarkable career advancement possibilities, we invite you to be part of our journey to create real-world value.At Ripple, we’re building a world where value moves like information does today. It’s big, it’s bold, and we’re already doing it. Through our crypto solutions for financial institutions, businesses, governments and developers, we are improving the global financial system and creating greater economic fairness and opportunity for more people, in more places around the world. And we get to do the best work of our career and grow our skills surrounded by colleagues who have our backs.If you’re ready to see your impact and unlock incredible career growth opportunities, join us, and build real world value.

At Fastly, we are dedicated to enhancing connectivity to the digital experiences that matter most to our users. Our cutting-edge edge cloud platform empowers our clients to rapidly and securely deliver exceptional digital solutions by processing, serving, and securing applications close to their end-users — right at the edge of the Internet. Built to leverage the modern internet, our platform is highly programmable and supports agile software development, serving a roster of prestigious clients such as GitHub, Yelp, Paramount, and JetBlue.Join us in our mission to create a more trustworthy Internet.Posting Open Date: 24 March, 2026Anticipated Posting Close Date*: 20 April, 2026*Job posting may close early due to the volume of applicants.Staff Software Engineer, Compute PlatformOur team is responsible for developing the Compute platform at Fastly — an advanced serverless solution built on open standards operating on our extensive global edge network. This platform meets the demands of modern application development, enabling customers to execute code in a secure environment with microsecond cold start times, at scale, right on the edge.We are seeking a talented Staff Software Engineer to join our dynamic team and help enhance our hosting infrastructure. This role will encompass essential networking and systems-level tasks, as well as cross-team collaboration and the design of high-quality APIs for our customers to leverage services developed by other teams. You will also have the opportunity to contribute to influential open-source projects (such as Wasmtime) that play a pivotal role in our Compute vision.What You'll Do:Facilitate seamless communication and coordination among team members and across various technical and product teams.Engage in code reviews to enhance the codebase and improve team processes.Lead projects from a technical standpoint, driving progress and keeping stakeholders informed on project status.Develop platform-level code in Rust that addresses host concerns such as back pressure, resource limits, and service interactions.Investigate and resolve performance and stability challenges to meet stringent scalability requirements.Take ownership of a large-scale production system characterized by exceptional performance and availability needs.

Join our dynamic team at Green King as a Team Leader, where you will play a pivotal role in driving success and fostering a collaborative work environment. We are seeking an enthusiastic leader with a passion for team development and operational excellence. In this role, you will be responsible for overseeing daily operations, mentoring team members, and ensuring the highest standards of service delivery.

Join us at Greene King as a Team Leader, where you will be pivotal in guiding our team to deliver exceptional service and drive operational excellence. As a leader, you will foster a positive work environment, motivate your team, and ensure that our values are upheld throughout all interactions. Your role will involve not only managing daily operations but also mentoring and developing team members to achieve their full potential.

Join Greene King as a Team Leader and be part of a dynamic and passionate team dedicated to delivering exceptional service. In this role, you will lead, inspire, and support your team to achieve operational excellence and foster a welcoming atmosphere for all customers.

About G2 - The CompanyG2 stands as the premier global software marketplace, renowned for empowering businesses to achieve their utmost potential through insightful data from genuine software users. By joining G2, you become part of an elite team dedicated to harnessing real user insights to influence strategic decisions.In an exciting merger with Capterra, SoftwareAdvice, and GetApp, we are now the largest repository of online software insights, catering to over 200 million visitors annually and featuring over 6 million verified reviews. Our goal is to enable software buyers to make informed decisions swiftly and confidently.We're just getting warmed up! Our mission is to revolutionize the global B2B software sector, establishing ourselves as the most reliable data source for software buyers and sellers in the AI era.Are you ready to embark on this thrilling journey with us? Join G2 as we scale new heights!About G2 - Our PeopleAt G2, our culture is deeply rooted in our PEAK values—(Performance + Entrepreneurship + Authenticity + Kindness). Being part of G2 means you are contributing to a value-driven, growing global community that supports each other in overcoming challenges and celebrating successes. Together, we tackle ambitious projects that foster personal and professional growth.You will collaborate with a diverse, global team comprising talented and dedicated individuals, each bringing unique experiences and aspirations. Our people-led ERGs play a crucial role in highlighting the diverse identities within our community. We prioritize DEI (Diversity, Equity, Inclusion) and philanthropic initiatives, such as our G2 Gives program, fostering a culture where we all strive to become better individuals.