Senior Staff Engineer

About UsSmarkets: Revolutionizing the Betting IndustryAt Smarkets, we operate one of the most advanced prediction markets worldwide, with over £29 billion processed since our inception in 2010. With a community of over 200,000 traders globally, we are redefining betting across various domains, from sports to political markets, ensuring the most competitive prices and fair odds.Our technology stack is meticulously crafted for scalability, reliability, and speed, utilizing Linux, Kafka, Postgres, Kubernetes, along with Python 3, C++17, and React. We build the infrastructure that institutions rely on while making trading accessible to all. Our resilience has allowed us to thrive through every market cycle and industry evolution.Central to our success are our talented team members. We foster a high-performance environment where exceptional skills flourish, combining in-depth business acumen with a commercial outlook to fuel strategic growth.If you are excited about shaping the future of prediction markets with cutting-edge technology and a focus on customer satisfaction, Smarkets is the perfect place for you.Your RoleWe are seeking a highly skilled Staff Engineer to spearhead our engineering initiatives in a senior individual contributor capacity, directly reporting to the VP of Engineering. As the most senior technical individual contributor in the organization, you will be instrumental in guiding our technology stack and fostering innovation across various teams.Key Responsibilities:Serve as a senior technical authority, offering strategic direction and hands-on assistance for impactful projects while advancing the engineering roadmap.Collaborate with the VP of Engineering to optimize our tech stack and enhance development methodologies.Work in tandem with frontend and backend teams to architect scalable and reliable microservices using Rust, Python, and Typescript.Enhance service latency and performance across PostgreSQL, Redis, and Kafka-based systems.Facilitate the deployment of CI/CD, monitoring, and alerting frameworks to maintain system health and performance.Promote engineering best practices and contribute to a culture of collaboration, continuous learning, and innovation.Influence and cultivate a top-tier engineering culture.Identify innovation opportunities to drive business value and sustain a competitive advantage.About You:Proven experience in software engineering, with a solid foundation in computer science principles.Expertise in Rust, Python, and Typescript is highly desirable.Strong problem-solving skills and a passion for innovation.Excellent communication and collaboration abilities.Ability to lead and mentor junior engineers.

Convergent Research is seeking a Staff Engineer specializing in FPGA Engineering to join the team in London. This position centers on FPGA design and development for technology projects that drive ongoing research and engineering work. Role overview This role contributes to shaping technical solutions that advance the organization's research initiatives. The Staff Engineer will work closely with other engineers and researchers to address complex challenges in FPGA systems. What you will do Design and develop FPGA-based systems for a variety of research-focused projects Use advanced knowledge in FPGA engineering to tackle technical problems Collaborate with cross-functional teams of engineers and researchers Work environment The team emphasizes open communication and values creative approaches to problem solving. Collaboration and a focus on technical progress are central to the group’s work style.

Role overview Antithesis is seeking a Senior or Staff Engineer in London, UK to focus on Hegel. The team values creative problem-solving and technical depth, with engineers regularly exchanging ideas and expertise to drive projects forward. Collaboration is a core part of the work culture. What you will do Tackle complex engineering challenges involving Hegel Support both new and ongoing projects that influence the team’s direction Work closely with colleagues to develop practical solutions Requirements Previous experience at a senior or staff engineering level Keen interest in working with Hegel Enjoys sharing knowledge and collaborating with others Motivated to try new technical approaches Location This role is based in London, UK.

At Intercom, we are revolutionizing customer service with AI technology, dedicated to empowering businesses to deliver exceptional customer experiences.Our AI agent, Fin, stands out as the most advanced customer service AI on the market, enabling businesses to provide seamless, around-the-clock customer support. When paired with our Helpdesk, it forms the comprehensive Intercom Customer Service Suite, designed to handle complex inquiries while maintaining a human touch.Since our inception in 2011, we've gained the trust of nearly 30,000 businesses worldwide, setting new benchmarks for customer service. Our commitment to our core values drives us to innovate, execute with urgency, and consistently offer outstanding value to our clients.What’s the opportunity?As a Staff Product Engineer, you will take on a pivotal leadership role within our engineering team, significantly impacting our technical direction. You will be responsible for designing and implementing both back-end and front-end systems, collaborating closely with designers, product managers, researchers, and data analysts. Additionally, you will mentor other engineers and work alongside the Engineering Manager to cultivate the team's growth and define our technical strategy.What will I be doing?In this role, you will:Shape our technical architecture to accommodate the increasing demands of our diverse customer base.Emphasize agility alongside scalability and reliability, with continuous deployment practices ensuring seamless incremental releases.Engage in all phases of software development, from ideation to prototyping, design, and implementation, blending hands-on coding with architectural leadership.Utilize cutting-edge tools and AI-powered developer resources to streamline your workflow and focus on impactful problem-solving.Participate actively in the recruitment, mentoring, and career progression of fellow engineers.Elevate the standards for technical excellence, performance, and operational reliability.

Join Attio as a Staff Product Engineer and be at the forefront of revolutionizing how teams collaborate and manage their relationships. You will play a pivotal role in the design and development of innovative products that enhance user experience and drive engagement.

Join AccuRx as a Staff Product Engineer and be a vital part of our mission to enhance healthcare accessibility and patient experience. In this role, you will leverage your expertise to design, develop, and implement innovative software solutions that directly impact healthcare providers and patients alike. Collaborate with cross-functional teams to drive product development from concept through execution, ensuring high-quality deliverables.

Join CyberArk Software as a Staff Automation Engineer, where you will play a pivotal role in enhancing our automation frameworks. You will work closely with cross-functional teams to design, implement, and maintain automated testing solutions that ensure the highest quality of our security products. Your expertise will help us streamline our processes, improve system reliability, and reduce time-to-market.

9fin is looking for a Staff Engineer to join the team in London. This position centers on building scalable systems and advancing the company’s financial data analytics platform. Staff Engineers at 9fin help set technical direction and have a direct impact on product quality. Role overview This role involves both hands-on engineering and collaboration with peers. The work supports evolving data and user needs, with a focus on reliability and performance. What you will do Design and develop systems that handle increasing data volumes and user demands Collaborate with fellow engineers to strengthen analytics features Offer input that shapes product features and influences the customer experience Location This is an on-site role based in London.

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.

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 unlikelyAI as a Staff Software Engineer and be at the forefront of developing cutting-edge artificial intelligence solutions. In this pivotal role, you will collaborate with a talented team to design, implement, and optimize software systems that push the boundaries of technology.As a key member of our engineering team, you'll have the opportunity to influence the architecture of our products and mentor junior engineers. We are looking for innovative thinkers who thrive in a fast-paced environment and are passionate about building scalable and efficient software.

Join Our Team as a Staff Product EngineerAt Nous, we are revolutionizing how households manage their bills, helping over 150,000 customers save money and time. With over 85% of households overpaying on their bills, our mission is to simplify and create fairness in financial management, starting with the 30 million households in the UK.Our AI-powered assistant is designed to seamlessly manage and delegate bill responsibilities, offering an elegant user experience while operating as one of the most ambitious consumer AI systems in the UK. We're not just following trends; we're establishing new ones.As a well-funded start-up led by experienced entrepreneurs, Nous is expanding rapidly, achieving over 10x year-on-year growth. We have saved customers over half a million pounds in recent months alone. Our commitment to social and environmental performance has earned us B Corp certification, showcasing our dedication to making a positive impact.We believe in high-context collaboration, which is why we are proudly office-first at our location near Farringdon station. Enjoy a well-stocked kitchen, excellent coffee, and a supportive team that drives innovation.If you're passionate about building something extraordinary and want to make a difference in people's lives, Nous is the place for you.

Kaluza is seeking a Global Staff Engineer to guide the next wave of energy technology. This position takes the lead on challenging projects and plays a key part in developing new solutions for the energy sector. Role overview The Global Staff Engineer will work on initiatives that drive innovation in how energy is managed and delivered. The role involves solving complex technical problems and collaborating with teams to create impactful products. Locations Bristol, England, United Kingdom Edinburgh, Scotland, United Kingdom London, England, United Kingdom

About H:At H, we are at the forefront of superintelligence, driven by our mission to harness agentic AI. Our innovative AI agents automate intricate, multi-step tasks traditionally carried out by humans, empowering individuals to reach their fullest potential.We are on the lookout for exceptional AI professionals who prioritize building responsibly and safely while pushing the boundaries of agentic technology. Our culture thrives on openness, continuous learning, and collaborative efforts, where every team member's contribution is valued.About the Team:Our Product Engineering Team plays a pivotal role in the successful deployment and operation of our Agents and Inference platforms, along with related services that support our Research department and lay the groundwork for our market-ready agentic products.Key Responsibilities:Lead the definition and execution of technical architecture, design, and strategic engineering roadmap.Design, develop, and maintain robust, high-performance, scalable systems.Mentor and inspire engineers across various teams, nurturing a culture of technical excellence.Conduct comprehensive code reviews and design evaluations to uphold quality and security standards.Collaborate closely with Research, Engineering, and other stakeholders to deliver impactful solutions.Enhance system reliability, scalability, and observability through continuous improvements.Establish and uphold engineering standards, tools, and processes.Drive innovation and proactively manage technical debt.

Join our innovative team at antithesis as a Senior/Staff Engineer specializing in Bombadil. In this pivotal role, you will lead engineering projects, collaborate with cross-functional teams, and drive the development of cutting-edge solutions. Your expertise will be crucial in enhancing system performance and ensuring the seamless integration of new technologies.

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.

Why Join Socure?At Socure, we are pioneering the identity trust framework for the digital economy, ensuring real-time verification of legitimate identities while preventing fraud at its inception. Our mission is ambitious, the challenges are intricate, and the results resonate with businesses, governments, and millions globally every day.We seek individuals who thrive on responsibility and are eager to tackle complex challenges. If you possess a fast-paced mindset, critical thinking skills, ownership mentality, and a passion for precise customer problem-solving, you may be the right fit. If you prefer predictability or a limited scope of work, this may not be your ideal environment. If you're ready to help shape the future of identity with a team that holds itself to high standards, we encourage you to continue reading.As a Senior Frontend Engineer on our RiskOs team, you will be instrumental in guiding the technical vision, structure, and implementation of our cutting-edge risk intelligence platform. You'll design and build sophisticated, efficient, and dependable user interfaces, influence engineering culture, mentor aspiring technical leaders, and ensure alignment across product and engineering teams.This role is high-impact and designed for an engineer who excels at addressing complex challenges, defining architectural strategies, and delivering scalable customer-facing solutions. You'll collaborate closely with executives, cross-functional leaders, and distributed engineering teams to shape the future of Socure's frontend ecosystem.Your Responsibilities:Lead the definition and evolution of frontend architecture, frameworks, and design systems for large-scale, mission-critical applications.Collaborate with product, design, and backend engineering teams to create long-term technical roadmaps and ensure seamless system integration.Provide mentorship and technical guidance to both senior and junior engineers, helping them develop into stronger contributors and leaders.Promote engineering best practices across teams, including testing strategies, CI/CD, performance optimization, and accessibility standards.Proactively identify and resolve systemic issues by implementing scalable solutions.

AlphaSense seeks a Senior or Staff Design Engineer based in London. This position centers on developing new solutions that advance the company’s products. Design decisions in this role have a direct impact on the features and quality that clients depend on. Key responsibilities Shape and build product features from concept through delivery Apply design expertise to influence product direction and quality What you bring Strong background in design engineering Experience building solutions that drive product improvement Ability to make design choices that enhance client experience

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.

Join Beamery as a Staff EngineerAt Beamery, we are at the forefront of revolutionizing the HR technology landscape with our transformative AI platform. Our mission is to empower enterprise organizations to make equitable and informed talent decisions, streamlining their recruitment processes, enhancing internal mobility, fostering effective upskilling, and optimizing workforce planning. With our innovative solutions, we assist clients in hiring and redeploying over one million individuals each year.Why Join Us?This is an exciting time to be part of our team as we work towards enhancing our native integrations with industry giants like SAP, Workday, Microsoft, and LinkedIn. We're embedding our cutting-edge skills intelligence into critical workforce decision-making platforms and leveraging our advanced AI capabilities to enable smarter planning for the future. Additionally, our proprietary LLMs and knowledge graph technologies are designed to help organizations tap into diverse talent pools and promote fair decision-making at scale.We pride ourselves on our unique company culture founded on trust, empathy, and transparency, allowing our team members to bring their authentic selves to work.The RoleAs a Staff Engineer in our Sourcing and Recruiting team, you will play a pivotal role in enhancing Beamery’s core CRM experience. Collaborating closely with various business units, you will ensure a smooth sourcing and hiring workflow focused on achieving high-quality candidate matches and effective vacancy calibration.Our Technology Stack: TypeScript, React, Kubernetes, Istio, PostgreSQL, MongoDB, Redis.We seek a skilled Staff Engineer to technically lead a high-performing autonomous product team. You will align with the company’s strategic goals while guiding projects from discovery to production.In this role, you will provide technical mentorship to fellow engineers and actively contribute to elevating engineering standards across the business through collaboration with other Staff and Principal Engineers.