Infrastructure Engineer at Solve Intelligence | London

Join Wintermute as an Infrastructure Support EngineerAt Wintermute, a leading technology unicorn and one of the largest algorithmic trading firms specializing in digital assets, we are on the lookout for passionate individuals to join our infrastructure team. We provide liquidity across various cryptocurrency exchanges, offer a range of OTC trading solutions, and support esteemed blockchain projects and traditional financial institutions transitioning into the crypto realm. Additionally, our Wintermute Ventures arm invests in promising early-stage DeFi projects.Founded in 2017, Wintermute has successfully navigated through various industry cycles. Our culture merges the rigorous technology standards of high-frequency trading firms with the innovative spirit of technology startups. We are committed to harnessing the potential of blockchain technology and taking a leadership role in building a compliant and innovative digital asset market.Role OverviewAs an Infrastructure Support Engineer, you will play a crucial role within our systems administration group. This primarily technical support position focuses on our mixed environment, integrating both physical and virtual computing resources. Your responsibilities will include providing technical support for our automated desktop setup.We seek responsible and enthusiastic candidates eager to launch or advance their careers in infrastructure. This position offers the chance to collaborate with and learn from our senior technologists, enhancing your automation skills, particularly in Python. As our business evolves, your role will be vital in maintaining our networks and computing environments.Wintermute is dedicated to fostering the growth of your automation capabilities.

About WintermuteWintermute is a pioneering technology company and a leading player in the algorithmic trading sector, focusing on digital assets. We are dedicated to providing liquidity across a vast array of cryptocurrency exchanges and trading platforms. Additionally, we offer comprehensive OTC trading solutions, supporting both high-profile blockchain initiatives and traditional financial institutions transitioning into the crypto space. Our Wintermute Ventures division also invests in promising early-stage DeFi projects.Founded in 2017, Wintermute has adeptly navigated the complexities of industry cycles. Our culture merges the high-frequency trading standards of traditional markets with the innovative and entrepreneurial spirit typical of technology startups. We are firm believers in the transformative potential of blockchain, and we take a long-term approach to the digital asset market, positioning ourselves as leaders in fostering a compliant and innovative trading environment. For more details, you can read more here.Why Join Wintermute?We are on the lookout for an Algorithmic Trader with robust coding abilities (Python) and a keen interest in high-frequency trading, liquidity provision, and cryptocurrency markets. From day one, you will manage your own “desk” and have the chance to create and refine your own trading algorithms and strategies. You will receive invaluable mentorship from seasoned traders and developers, including our founders and management team. Expect a high degree of autonomy and responsibility from the outset, allowing you to make a significant impact without the hindrance of legacy systems or bureaucratic red tape.Your ResponsibilitiesFollowing a brief training period, you will focus on enhancing existing trading strategies, introducing new trading products, and advancing the technology behind our trading systems. You will analyze extensive trading and transaction data to extract insights, prioritize them, and devise solutions based on your findings. You will have the opportunity to influence P&L positively and will be encouraged to experiment with innovative ideas and strategies. We will provide more technical specifics during the interview process.Please note: We seek individuals with strong quantitative and coding skills; however, this is primarily a business/trading role rather than a research position.

About WintermuteWintermute is a pioneering technology firm and one of the foremost algorithmic trading companies specializing in digital assets. Our mission is to provide liquidity across a diverse range of cryptocurrency exchanges and trading platforms. We also offer comprehensive OTC trading solutions while supporting prominent blockchain initiatives and traditional financial institutions transitioning into the crypto space. Additionally, Wintermute Ventures invests in early-stage DeFi projects, further enhancing our influence in the industry.Founded in 2017, Wintermute has adeptly navigated through various industry cycles. We blend the high-frequency trading standards of traditional markets with the innovative spirit of technology startups. At Wintermute, we are committed to harnessing the disruptive potential of blockchain technology, maintaining a long-term perspective on the digital asset market, and leading the way in establishing a compliant and innovative trading environment. To learn more, please visit our website.Join Our TeamWe are on the lookout for a passionate C++ Quant Developer who thrives on technology and possesses a keen interest in both the intricate details of computer hardware and the overarching design of expansive systems, including data infrastructure. The ideal candidate enjoys exploring the inner workings of technology, has a solid understanding of data structures, and possesses experience in developing client-server network applications and optimizing high-performance code. We value prior experience from personal projects as well as professional backgrounds. A PhD in mathematics is common among our Quant Developers, and a solid grasp of mathematical concepts is essential. An interest in algorithmic and quantitative trading is a bonus.At Wintermute, you will have the unique opportunity to directly influence our trading activities by developing and enhancing various aspects of our trading platform, data infrastructure, and related software. You will receive guidance from seasoned developers and traders, including our founders. Expect immediate responsibility and independence, enabling you to learn at an unparalleled pace! We operate without legacy systems, bureaucratic hurdles, or multiple approval layers; all developers report directly to our hands-on CTO. The impact you make is truly up to you!

Join Our Team at WintermuteWintermute is a pioneering technology unicorn and a leading player in the algorithmic trading space, focusing on digital assets. We excel in providing liquidity across major cryptocurrency exchanges and trading platforms, deliver comprehensive OTC trading solutions, and actively support renowned blockchain projects as well as traditional financial institutions making their foray into the crypto realm. Additionally, our Wintermute Ventures division invests in promising early-stage DeFi projects.Founded in 2017, Wintermute has adeptly navigated the evolving landscape of the industry. Our culture merges the technology standards of high-frequency trading firms in traditional markets with the innovative spirit and entrepreneurial environment found in tech startups. We are passionate about the transformative power of blockchain and are committed to fostering a compliant and forward-thinking market in the digital asset space. For more insights, click here.Position OverviewWe are in search of a skilled Core Developer to join our dynamic development team. This role offers the opportunity to work within a focused, high-performing group that has a wide-reaching impact across various business sectors. The ideal candidate will be pragmatic, dedicated to producing clean and efficient code, and possess strong interpersonal skills, as collaboration with traders, C++ developers, quantitative researchers, and the DeFi Team is essential. While prior experience in crypto or finance is not a prerequisite, a solid technical foundation and the right mindset are crucial.Our primary services are developed in Python, though we also maintain high-performance infrastructures utilizing C++. We prioritize using the latest versions for both languages. Our systems operate on Linux, utilize PostgreSQL for database management, and incorporate several custom in-house solutions tailored to address challenges common in high-frequency trading.

About WintermuteWintermute is a pioneering technology firm and one of the leading algorithmic trading companies specializing in digital assets. We excel in providing liquidity across numerous cryptocurrency exchanges and trading platforms while offering a comprehensive suite of OTC trading solutions. In addition, we support prominent blockchain initiatives and assist traditional financial institutions in transitioning into the crypto space. Our Wintermute Ventures division invests in promising early-stage DeFi projects.Founded in 2017, Wintermute has adeptly navigated various industry cycles. Our corporate culture merges the stringent technological standards of high-frequency trading firms from traditional markets with the innovative and entrepreneurial spirit of tech startups. At Wintermute, we are committed to harnessing blockchain's transformative potential and fostering a compliant and innovative digital asset market. Discover more about us here.Role OverviewThe HR Operations Associate is essential in supporting our HR Operations and Talent Acquisition functions. Reporting directly to the Head of Talent & HR Operations, this role requires a highly organized individual with an exceptional attention to detail, outstanding communication abilities, and a proactive, service-oriented approach.

About Wintermute Wintermute is a pioneering technology unicorn and a leading global force in the digital asset market. As the largest crypto-native algorithmic trading firm, we provide unparalleled liquidity across all major exchanges and trading platforms. Our OTC desk facilitates a broad spectrum of spot and derivatives products, serving over 2,000 counterparties from both crypto-native and traditional financial institutions. We are actively engaged in advancing the blockchain ecosystem, positioning ourselves as a major player in DeFi, along with our investments, partnerships, and incubations.Founded in 2017 by leaders from the trading industry, Wintermute has adeptly navigated various cycles within the crypto industry. Our culture harmoniously blends the rigorous technology standards of high-frequency trading firms with the innovative spirit of tech startups. Discover more about us here.About the RoleWe are seeking a seasoned Product Manager to spearhead the development of our NODE platform, designed to provide seamless crypto trading experiences for institutional clients. This is a hands-on, cross-functional role that will have a significant impact. You will collaborate closely with engineers, designers, core developers, and stakeholders across the business to define, build, and launch a secure, scalable, and high-performance trading platform.

Wintermute Trading is a leading force in algorithmic trading for digital assets, providing liquidity across major cryptocurrency exchanges and platforms. The company works with both established blockchain projects and traditional financial institutions entering the crypto space. In addition to trading, Wintermute supports the broader blockchain ecosystem through investments, partnerships, and project incubation. Founded in 2017 by industry veterans, the team combines technical depth with the agility of a startup. Role overview The Tech Lead for Product Engineering will be based in London and will take a hands-on leadership role in developing the NODE platform. This platform is designed for institutional clients, enabling seamless crypto trading experiences. The position offers direct influence over both the direction and execution of the platform, working in a cross-functional setting. What you will do Lead the development of the NODE trading platform, focusing on institutional users Collaborate with engineers, designers, core developers, and stakeholders Define, build, and deliver a secure, scalable, and high-performance trading product Work across teams to align the platform with business and technical objectives Location This role is based in London.

About H Company H Company pursues advances in superintelligence with a focus on agentic AI. The team works to automate complex, multi-step tasks that typically require human involvement, aiming to expand what people can achieve. H Company values curiosity, responsibility, and a commitment to safety in AI. The culture emphasizes openness, ongoing learning, and collaboration, with each person’s input recognized and appreciated. Infrastructure Team Overview The Infrastructure team provides researchers and engineers with the resources they need to do their best work. This group maintains the core infrastructure behind H’s public services, building systems that are reliable, scalable, and ready for growth. Team members shape everything from foundational models to agent systems and public-facing services.

Role Overview Checkatrade is seeking an IT Systems and Infrastructure Engineer (Fixed-Term Contract) to join the team in Moorgate, London. This role focuses on strengthening and maintaining the company’s IT backbone across hybrid cloud environments. The engineer will manage day-to-day operations, automate processes, enhance security, and support the scalability of Checkatrade’s infrastructure. Main Responsibilities Build and maintain secure, reliable infrastructure to support business operations and internal teams. Spot areas for improvement in infrastructure management and implement more effective solutions. Work closely with security, platform, and software engineering teams to deliver stable and dependable tools and systems. Ensure systems remain stable, secure, and easy to use for teams across the business. What We’re Looking For Solid experience managing IT infrastructure in Microsoft environments, including Windows Server, Active Directory, and Microsoft 365. Hands-on experience with identity and access management, especially using Okta for SSO, MFA, and user lifecycle management. Comfort working with cloud platforms like Azure, and familiarity with AWS or Google Cloud. Experience supporting modern workplace tools such as Google Workspace and managing endpoints across macOS, Windows, and ChromeOS. Good understanding of networking and security basics, including DNS, VPNs, and firewalls. Ability to automate tasks or workflows using scripting languages (PowerShell, Python, Bash) or tools like Okta Workflows or Zapier. Strong problem-solving skills and the ability to explain technical concepts clearly to different audiences. Location This position is based at Checkatrade’s Moorgate office in London.

About WintermuteWintermute is a pioneering technology firm and one of the largest algorithmic trading companies specializing in digital assets. We excel at providing liquidity across a multitude of cryptocurrency exchanges and trading platforms, offering a wide array of OTC trading solutions, while also bolstering high-profile blockchain initiatives and traditional financial institutions venturing into the crypto space. Additionally, Wintermute operates a ventures arm that invests in promising early-stage DeFi projects.Since our inception in 2017, Wintermute has adeptly navigated through various industry cycles. Culturally, we blend the technological excellence of high-frequency trading firms in traditional markets with the innovative spirit of technology startups. At Wintermute, we are committed to harnessing the transformative potential of blockchain technology. Our long-term vision focuses on the digital asset market, and we strive to play a leading role in establishing an innovative and compliant trading environment. You can learn more about us here.Join Our Team at WintermuteWe are on the lookout for a passionate C++ Trading Platform Developer who possesses a keen interest in both the intricate details of computer hardware and the overarching design of large-scale systems, including data infrastructure. Ideal candidates will have a natural curiosity to explore the inner workings of systems, a solid understanding of data structures, and experience in writing client-server network applications. Additionally, proficiency in writing and optimizing high-performance code is essential. We value both your commercial experience and personal projects that showcase your dedication to technology. A genuine interest in algorithmic and quantitative trading will be considered advantageous.At Wintermute, you will have the opportunity to grow your skills and make a direct impact on our trading activities by developing and enhancing various components of our trading platform, data infrastructure, and related software. You will receive mentorship and insights from seasoned developers and traders, including the founders of the company. Expect a high degree of independence and responsibility from the outset, with a learning curve that is second to none. We do not have legacy systems, excessive approvals, or bureaucracy; all developers report directly to the CTO, who is actively involved in day-to-day operations. Your contributions will be evaluated based on their impact rather than the hours you log.

Join Our Innovative Team as a Machine Learning ResearcherAt Wintermute, we are on the forefront of digital asset trading, leveraging cutting-edge technology to provide unparalleled liquidity and OTC solutions across the cryptocurrency landscape. As a technology unicorn founded in 2017, we are a leading player in algorithmic trading, committed to supporting high-profile blockchain projects and ushering traditional financial institutions into the exciting world of crypto. Our venture arm also invests in early-stage DeFi initiatives, fostering innovation in the blockchain space.Our culture merges the rigor of high-frequency trading with the innovative spirit of tech startups, creating an environment that champions both technological excellence and entrepreneurial ambition. We believe in the transformative potential of blockchain technology, maintaining a long-term vision for the digital asset market while prioritizing compliance and innovation.Your Role and ResponsibilitiesAs a Machine Learning Researcher, you will harness your expertise in applied deep learning to develop robust alpha signal generation pipelines. Your work will encompass everything from data ingestion and feature engineering to model training and deployment, all in close collaboration with our dynamic trading and infrastructure teams.

Join Perplexity, a pioneering company based in London, as we transform the way users search and engage with the internet. We are seeking seasoned Infrastructure Engineers to become integral members of our dynamic team. In this role, you will lead the design, implementation, and scaling of innovative tools, systems, and platforms that empower web, mobile, and browser engineers to develop cutting-edge products. Your contributions will be vital in enabling our product, AI, and development teams to innovate swiftly while ensuring utmost reliability, security, and performance at scale.Our Tech StackPython | Go | TypeScript | PostgreSQL | DynamoDB | Redis | FastAPI | React | Bazel | GitHub | AWSTeams HiringSenior/Staff PlatformThe Platform team is fundamental to ensuring product reliability, scalability, and performance at Perplexity. This elite team is responsible for developing and maintaining the critical infrastructure—from backend systems such as authentication, real-time data flows, and service orchestration to frontend frameworks that guarantee fast, reliable, and secure user experiences. By upholding stringent standards for code quality, uptime, and developer productivity, the Platform team enables all of Perplexity to innovate rapidly on a solid, well-designed foundation.Senior/Staff DevXThe Developer Experience (DevX) team is dedicated to empowering engineers at Perplexity to build, ship, and iterate faster than ever before. They manage internal platforms for source control, build, test, and deployment, effectively removing bottlenecks from each phase of product development. This team designs seamless onboarding, ultra-fast CI/CD pipelines, and developer tools that enhance creativity and safety at scale. Through collaborative efforts and significant autonomy, the DevX team amplifies the contributions of every engineer, facilitating rapid, dependable innovation across the organization.Senior/Staff Cloud InfraThe Cloud Infrastructure team architects and manages the essential cloud infrastructure that powers Perplexity’s global platform. This team designs and scales computing, storage, and networking systems to support high-throughput, low-latency workloads, balancing proactive project initiatives with operational support. Collaboration with product, AI research, security, and other teams ensures that our services remain consistently available, reliable, and responsive to user demands.

About WintermuteWintermute Trading is a pioneering technology firm and a leader in algorithmic trading, focusing on digital assets. We excel in providing liquidity across numerous cryptocurrency exchanges and trading platforms, offering a diverse array of OTC trading solutions. Additionally, we support prominent blockchain initiatives and assist traditional financial institutions in their transition to the crypto space. Our Wintermute Ventures division actively invests in promising early-stage DeFi projects.Founded in 2017, Wintermute has adeptly navigated the fluctuations of the industry. Our culture merges the technological exigencies of high-frequency trading firms with the innovative spirit typically found in startups. We are staunch believers in the transformative potential of blockchain technology and maintain a long-term vision for the digital asset market, positioning ourselves as leaders in developing an innovative and compliant market. You can learn more about us here.Join Our DeFi TeamWe are continually seeking talented individuals to enhance our DeFi team. Whether you are a developer, trader, or a recent graduate, we would love to hear from you. Your role will be pivotal in building and maintaining the systems that drive our on-chain trading strategies. You will be responsible for both the design and implementation of trading strategies, as well as developing the core microservices and backend infrastructure that support our trading engine.Our trading operations are heavily technology-driven, and our traders act as programmatic problem solvers. Like many innovators in this field, this position requires versatility, as you will be contributing to various codebases in multiple programming languages while exploring the frontiers of design within the ecosystem.We take pride in fostering a cohesive and collaborative team environment, where you will work closely with experienced traders and developers who will mentor you on enhancing our systems. Team members are encouraged to cultivate their own narratives, challenge one another, and explore new domains together.

About WintermuteWintermute is a prominent technology unicorn and one of the leading algorithmic trading firms specializing in digital assets. We excel in providing liquidity across a wide range of cryptocurrency exchanges and trading platforms, offer diverse OTC trading solutions, and support significant blockchain projects and traditional financial institutions transitioning into the crypto space. Additionally, Wintermute Ventures actively invests in early-stage DeFi projects.Founded in 2017, Wintermute has adeptly navigated through various industry cycles. We blend the rigorous technological standards of high-frequency trading firms with the innovative spirit characteristic of tech startups. At Wintermute, we are committed to harnessing the innovative potential of blockchain technology and hold a long-term vision for the digital asset market, positioning ourselves as leaders in establishing a creative and compliant marketplace. Discover more about us here.Join Our DeFi TeamWe are seeking an enthusiastic and inquisitive student to join our DeFi team for a 6-month internship. In this role, you will research on-chain protocols and conduct data-driven experiments that contribute to our understanding of decentralized finance.Our trading philosophy is fundamentally technological—our traders are analytical and programmatic problem solvers who thrive on innovation. In true DeFi fashion, this position offers you the chance to take on various roles, working across multiple codebases and languages to explore the ecosystem's design frontiers.We pride ourselves on being a close-knit, collaborative team that values open communication and creative exploration. You will collaborate closely with seasoned traders and developers, receiving mentorship while being encouraged to express your perspectives, challenge ideas, and explore new avenues of inquiry collectively.

About ChalkChalk is revolutionizing the data platform landscape, enabling the next generation of machine learning applications. We dismantle the barriers of complexity, latency, and scalability that have historically limited ML capabilities. Our platform boasts Rust-speed performance paired with intuitive tools that developers adore. Leading organizations trust Chalk to tackle challenges such as preventing fraudulent credit card transactions, authenticating identities, and optimizing clean energy utilization. Recently, we secured a $50 million Series A, spearheaded by Felicis.About the RoleAs a Support Engineer at Chalk, you will serve as our primary technical support specialist, ensuring that customers enjoy outstanding experiences with our innovative products. You will engage directly with clients across diverse sectors including finance, healthcare, and e-commerce, assisting them in troubleshooting and optimizing their utilization of Chalk's platform. This position presents a unique opportunity to gain in-depth knowledge of our technology, collaborate closely with our Engineering and Forward Deployed Engineering teams, and make a significant impact on customer satisfaction and product excellence.Your ResponsibilitiesDeliver front-line technical support to Chalk customers, swiftly diagnosing and resolving technical issues.Work in conjunction with Engineering to escalate and efficiently resolve complex issues.Cultivate comprehensive product knowledge to empower customers to derive maximum value from Chalk.Document solutions, develop knowledge-base articles, and share insights to mitigate future issues.Identify and propose enhancements to product reliability, usability, and customer satisfaction.Qualifications We're SeekingA technical background with experience in technical support or software engineering.Proficiency in Python and SQL.Robust troubleshooting, problem-solving, and analytical capabilities.Exceptional written and verbal communication skills.Ability to collaborate effectively with both technical and non-technical teams.Prior experience in customer-facing technical roles is highly desirable.Bachelor's degree in Computer Science or a related field.

About FreshaFresha is the premier marketplace platform in the beauty and wellness sector, trusted by millions of consumers and businesses around the globe. With over 130,000 businesses and 450,000 stylists using our platform, we have successfully processed over 1 billion appointments to date.Headquartered in London, United Kingdom, Fresha operates from 15 offices across North America, EMEA, and APAC.Our platform enables consumers to discover, book, and pay for beauty and wellness appointments with local businesses. In turn, beauty and wellness professionals utilize our comprehensive platform to manage their operations seamlessly through innovative business software and financial technology solutions.Fresha’s ecosystem equips merchants with all essential tools for efficient business management, including appointment bookings, point-of-sale systems, customer record management, marketing automation, loyalty programs, beauty product inventory, and team management.Our consumer marketplace enhances revenue potential for partner businesses by leveraging online bookings and automated marketing through mobile applications and advanced integrations with leading tech brands like Instagram, Facebook, and Google.Role OverviewAs Fresha embarks on its next phase of global expansion, the Platform team plays a crucial role in ensuring that this growth is swift, secure, and sustainable.In your capacity as a Senior Platform Engineer, you will hold complete responsibility for the design, deployment, and operation of our platform and services. Your primary objective is to eliminate obstacles for engineers, minimize operational risks, and ensure that the platform effectively scales in alignment with the business's growth.Your mission is to provide engineers with the appropriate tools, methodologies, and infrastructure necessary for them to deliver their work efficiently, safely, and confidently.We place a strong emphasis on the impact of our work on customers, even when the tasks are internal; our platform improvements are aimed at enhancing the overall customer experience.To cultivate a collaborative work environment that thrives on in-person interactions and teamwork, all employees at Fresha are required to work from our dog-friendly office four days a week, with the flexibility to work remotely every Wednesday. The office is located at: The Bower, The Tower, 207 Old St, London EC1V 9NR.

Join Allica Bank as an IT Support Engineer where you will play a pivotal role in ensuring our technology systems run smoothly and efficiently. You will be the first point of contact for resolving IT issues, providing support to our team members, and maintaining our IT infrastructure.

Role overview Turnertownsend is hiring an Infrastructure Estimator based in London. This role supports major infrastructure projects by producing accurate cost estimates that guide project planning and decision-making. What you will do Collaborate with project managers and engineering teams to review project specifications and requirements Create detailed cost estimates for various infrastructure projects Analyze data and prepare thorough reports to assist with project planning and feasibility assessments Who we’re looking for Success in this position comes from strong attention to detail and a collaborative approach within project teams. An interest in infrastructure and a commitment to delivering quality work are important qualities for this role.

Role overview Version1 seeks an Onsite IT Support Engineer to join the Services Reliability Group in London. This role acts as the initial contact for IT support, helping users resolve technical problems and stay productive. Collaboration with other IT professionals is central to supporting and improving the company’s IT infrastructure. What you will do Troubleshoot hardware and software issues for users onsite Maintain and support IT equipment throughout the organization Work with various departments to implement IT solutions Provide prompt, effective service to ensure users remain operational Who succeeds here Proactive problem-solvers who address issues quickly People who look for ways to improve IT services Team players who communicate clearly and collaborate with colleagues This position is based onsite in London.