Software Developer - Internal Compute Frameworks (Rust)

Position Overview: Join our dynamic team at Squarepoint Capital as a Software Developer specializing in Internal Compute Frameworks using Rust. In this pivotal role, you will design, build, and maintain essential internal frameworks, services, and platforms that drive our business operations. Your contributions will directly enhance the efficiency and productivity of our investment and technology teams, allowing you to work with cutting-edge technologies and make a significant impact. Key Responsibilities: Design, develop, and maintain scalable, production-grade distributed systems. Collaborate with investment stakeholders and technology teams to ensure alignment on project goals. Take full ownership of the systems developed, ensuring their reliability and performance. Provide effective support and troubleshooting for live production systems. Engage in all phases of the software development lifecycle, from gathering requirements to production support. Work comfortably with a diverse technology stack, including Rust, Python, Kubernetes, and more.

Position Overview:We are in search of a skilled and enthusiastic Software Developer to become an integral part of our expanding team. In this pivotal role, you will be instrumental in the design, development, and maintenance of Squarepoint's internal frameworks, services, and platforms that drive our business operations. This is a fantastic opportunity to work with advanced technologies, directly influencing the efficiency and productivity of both our investment and technology teams at Squarepoint.Design, develop, and maintain high-quality, scalable, and high-performance software solutions.Contribute to the creation of company-wide productivity tools, frameworks, and platforms that enhance operations across the organization.Collaborate with fellow developers and stakeholders to collect requirements, design solutions, and implement features.Write clean, well-documented, and testable Python code.Engage in code reviews and help elevate code quality and development practices.Diagnose and resolve technical issues promptly and effectively.Stay informed about the latest advancements in Python technologies and industry best practices.

Join Anaplan, a team of forward-thinkers dedicated to enhancing business decision-making through our advanced AI-driven scenario planning and analysis platform. Our mission is to empower customers to stay ahead of their competition and thrive in the market.At Anaplan, we pride ourselves on our Winning Culture, which unites our diverse teams across various geographies in their commitment to customer success.Our clientele includes industry giants like Coca-Cola, LinkedIn, Adobe, LVMH, and Bayer, among over 2,400 global companies that trust our exceptional platform.Our Winning Culture drives innovation, celebrates diversity of thought, and fosters a community where everyone can lead, achieve ambitious goals, and celebrate victories – both big and small.Guided by our principles of being strategy-led, values-based, and disciplined in execution, you will find inspiration, connection, development, and rewards at Anaplan. We welcome all that makes you unique; let’s create the future together! As a pivotal member of our R&D team, you will contribute to the evolution of our calculation engine, the core of our platform, which powers real-time business planning for the largest enterprises worldwide. We seek an experienced software engineer to tackle complex challenges in high-performance distributed computing and shape the future of our product.

At Ripple, we are pioneering a future where value transfers seamlessly, akin to how information flows today. Our mission is ambitious and transformative, already making strides through our innovative crypto solutions tailored for financial institutions, enterprises, governments, and developers. We aim to enhance the global financial landscape, fostering economic equality and opportunities for individuals across diverse regions worldwide. Here, you will be empowered to perform your best work and expand your skill set, supported by a collaborative team.If you are eager to witness your contributions make a real-world impact and explore remarkable career advancement prospects, we invite you to join us in creating tangible value.The TeamRippleX is committed to equipping the innovators of the future on the XRP Ledger (XRPL), renowned as one of the fastest and most dependable public blockchains globally. Our goal is to democratize the digital economy through practical support, empowering a vibrant developer community, and leveraging the expertise of a forward-thinking technology organization.The Programmability team plays a crucial role in this vision, dedicated to enhancing the core functionalities of the XRP Ledger to accommodate smart contracts and more sophisticated on-ledger capabilities. We are on the lookout for skilled engineers who are passionate about shaping the future of decentralized applications.Your ResponsibilitiesDesign, develop, and maintain foundational components of the XRP Ledger to boost programmability, smart contract functionalities, performance, and scalability.Lead the integration and upkeep of a WebAssembly (WASM) virtual machine within the XRPL’s C++ core.Participate in the complete software development lifecycle, encompassing architecture and design to development using modern C++ and Rust, alongside rigorous testing.Produce system design documentation and spearhead technical conversations with both internal and external engineering stakeholders.Maintain high coding and testing standards as a champion of the open-source XRP ledger community, including engaging in code reviews.

Join our dynamic team at affinidi as a Staff Rust Developer. In this role, you will have the opportunity to work on cutting-edge technologies and contribute to innovative projects that drive our mission forward. We are looking for passionate developers who excel in Rust programming and are eager to tackle complex challenges in a collaborative environment.

Join Our Team at hyperexponentialAt hyperexponential, we are revolutionizing the insurance industry with our AI-powered platform that facilitates critical decision-making within a $7 trillion sector. Our innovative solutions are pivotal in determining risks and pricing them accurately—decisions that affect everything from successful rocket launches to the recovery of communities hit by natural disasters.Historically, the insurance sector has relied on outdated methodologies for billion-dollar decision-making. We are changing that narrative. Our platform harnesses the power of data, artificial intelligence, and expert human insight to provide insurers with the most efficient pathway from submission to decision, enabling them to act with speed and confidence.Supported by leading venture firms such as a16z, Highland Europe, and Battery Ventures, we are expanding our global footprint, currently serving nearly 50 of the largest insurers worldwide, boasting zero churn and managing billions in premiums through hyperexponential.What started as a single product has evolved into a comprehensive platform that supports every aspect of pricing and underwriting across various markets. AI is integral to our operations, from our unique domain-specific AI peer programmer (akin to GitHub Copilot but with a PhD in actuarial science) to creating agentic workflows that transform industry practices.At hyperexponential, it’s not about titles or duration of service; it’s about the impact you make and the challenges you tackle. Collaborate with a team that pushes you to excel, and you’ll find yourself doing the most rewarding work of your career in an environment designed for resilience and innovation.If this resonates with you, we invite you to help us shape the future.About the Kernel TeamThe Kernel team is at the heart of our platform, developing the execution engine that evaluates, validates, and safely runs customer models at scale. Their efforts empower hx Renew and future products to make accurate, high-performance, and explainable decisions in high-stakes environments.As a Software Engineer on the Kernel team, you will take ownership of significant components of this vital system, contributing production quality code, enhancing architecture, and collaborating closely with cross-functional teams to ensure our engine addresses real product and customer needs.

Rust Engineer - TradingJoin Keyrock, a trailblazer in the digital asset space, as a Rust Engineer. Since our inception in 2017, we have rapidly evolved into a prominent player, celebrated for our strategic partnerships and groundbreaking innovations.With over 250 team members spanning 42 nationalities, our diverse workforce includes DeFi experts and PhDs. While we primarily operate remotely, we maintain hubs in London, Brussels, Singapore, and Paris, fostering a strong community through regular online and offline gatherings.Keyrock is actively engaged in trading across more than 80 exchanges and collaborates with a variety of asset issuers. As a market maker, we excel in market making, options trading, high-frequency trading, OTC, and DeFi trading desks.We are not merely service providers; we are pioneers. Keyrock is at the forefront of adopting Rust for algorithmic trading, advocating for its utilization throughout the industry. Our Accelerator Program supports the growth of Web3 startups, while we enhance ecosystems by providing liquidity to promising DeFi, RWA, and NFT protocols. We are committed to advancing the industry through our research and governance initiatives.At Keyrock, we don’t just envision the future of digital assets; we actively build it.

Quantum-Systems GmbH is looking for a Senior Rust Developer to join the team in London. This role focuses on building and refining the core systems that drive real-time swarm robotics and sensor management. Candidates should have at least 5 years of experience and a strong background in both Rust and C++. What You Will Do Design, develop, and maintain robust systems for controlling robotic swarms and managing sensor data. Implement communication protocols and real-time processing features for robotics applications. Collaborate with engineers and specialists to integrate backend services with robotics software and sensor networks. Continuously improve system performance, scalability, and reliability in distributed environments. Solve complex technical problems using modern programming languages, especially C++ and Rust. Participate in code reviews and architecture discussions, contributing to key software design decisions. About the Team Work alongside colleagues who value collaboration and technical excellence. The group tackles complex, mission-critical challenges in robotics, with an emphasis on real-time systems and advanced sensor integration.

Affinidi is a London-based technology company working to reshape digital data ownership. The team creates tools that help individuals and organizations manage their digital identities, always with privacy and security as priorities. Their work centers on decentralized digital identity solutions, aiming to build a trusted network for digital credentials. This approach helps people and businesses exchange data and services safely across industries and borders. Role overview The Senior Backend Engineer (Rust) position focuses on developing backend systems that drive Affinidi’s vision of secure, user-controlled data management. This role requires strong, practical experience with Rust to build and maintain the core infrastructure behind Affinidi’s products. Engineers in this team work on complex backend challenges and are encouraged to find practical solutions to real-world problems. The work supports privacy-first, decentralized identity products that serve a wide range of users and industries. Location This role is based in London, England, United Kingdom.

About the CompanyAffinidi is an innovative technology company on a mission to revolutionize data ownership. We empower individuals and businesses to take full control of their data with a holistic approach to managing their digital identities while prioritizing privacy and security.Our advanced technology enables users to leverage decentralized digital identity solutions. We firmly believe in the right of every individual to own and control their data, which drives our commitment to building a trustworthy ecosystem for digital credentials. This platform allows secure data and service exchanges across various industries and borders. About the Role:We are looking for a solution-driven Senior Backend Engineer with extensive experience in Rust. Your role will involve designing and implementing robust backend solutions that enable our users to manage their data effectively and securely. If you are passionate about decentralized systems and want to contribute to meaningful projects, we would love to hear from you.

Internship Overview Wexler is seeking a Software Engineering Intern to join its London team. This is a hands-on role where interns work closely with experienced Software and Machine Learning Engineers, contributing directly to the company’s agent infrastructure and product innovation. The work impacts legal professionals who depend on Wexler’s technology every day. This internship is designed for students set to graduate in 2026 or strong second-year students from top UK universities, ideally studying Computer Science or a related field. A genuine interest in building, learning, and applied AI is important. About Wexler Wexler specializes in Legal AI, focusing on solutions tailored to the specific workflows of legal professionals. The company addresses the slow adoption of AI in the legal sector by offering targeted, precise tools rather than general-purpose platforms. Wexler’s approach has earned positive feedback for its attention to detail and commitment to supporting the needs of legal practitioners. What You Will Do Develop and improve Wexler’s agentic infrastructure. Work with the technical team on new projects that extend product capabilities. Help build user interfaces that make complex legal workflows accessible. Collaborate with AI engineers to bring LLM features into production systems. Participate in architecture discussions and learn best practices from experienced engineers. Tackle challenges such as delivering smooth user experiences, scaling performance, and upholding enterprise security standards. Technical Skills Back-end: Solid experience with Node.js, TypeScript, or Python (preferably both). Ability to write clean, testable server-side code. Databases: Familiarity with relational databases, especially PostgreSQL. Understanding of schema design and querying.

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 Hudson River Trading (HRT), a leading global algorithmic trading firm, where innovation meets high-performance computing. Our research cluster is the cornerstone of our trading success, providing the robust environment where cutting-edge trading strategies are conceived and executed. At HRT, we leverage a state-of-the-art research ecosystem featuring advanced CPU and GPU computing, expansive storage solutions, and high-speed networking technologies. Our engineering team meticulously handles the software stack, optimizing everything from user-level APIs to low-level caching mechanisms. We tackle a diverse range of challenges—from theoretical resource scheduling to the practical optimization of trading program runtime performance. As a Distributed Compute Engineer, you will play a vital role in shaping the user experience for our research environment, developing and refining technical solutions that enhance research efficiency and accessibility. Collaborating daily with our talented quantitative traders and software engineers, you'll contribute to a dynamic environment that fosters innovation and excellence.

Join Isomorphic Labs, where we are harnessing cutting-edge AI to drive revolutionary scientific discoveries, accelerate breakthroughs, and develop transformative medicines, with the ultimate goal of tackling all diseases.We envision a future powered by the remarkable capabilities of machine learning—one where drug discovery is not only improved but revolutionized.Be a vital part of our dynamic interdisciplinary team, dedicated to pioneering innovations and playing a significant role in our ambitious mission, all while thriving within a culture that inspires collaboration and creativity.The future we aspire to is being shaped today, starting with our company culture and each one of us.About Isomorphic LabsFounded in 2021, Isomorphic Labs is committed to enhancing human health through advanced AI technologies, building on the Nobel-winning AlphaFold system. Our diverse team of drug discovery professionals and machine learning experts has developed powerful predictive and generative AI models that expedite scientific discovery at an unprecedented pace.Our name embodies our belief in the intrinsic symmetry between biology and information science. By leveraging AI’s robust capabilities, we model intricate biological phenomena to design innovative molecules, predict drug performance, and create groundbreaking treatments for some of the world’s most pressing health challenges.We have established a leading drug design engine featuring AI models adept at working across various therapeutic areas and drug modalities. Our commitment to continuous innovation in model architecture and the development of advanced capabilities propels the future of rational drug design.With each breakthrough, we are inching closer to the realization of digital biology and our ambitious mission to ultimately conquer all diseases with the power of AI.

About the CompanyAffinidi is a pioneering technology firm focused on reimagining data ownership. We empower both businesses and individuals to take control of their data, providing a holistic approach to managing their digital identity while prioritizing privacy and security.Our innovative technology facilitates decentralized digital identity solutions, ensuring that everyone has the right to own and govern their data. We are dedicated to establishing a trustworthy ecosystem for digital credentials that allows secure data and service exchange across various sectors and borders. About the Role: We are seeking a solution-driven Senior Backend Engineer who possesses substantial expertise in Rust. The ideal candidate will have a track record of delivering robust backend solutions and is eager to contribute to our mission of transforming digital identity.

Blockchain.com is at the forefront of transforming the financial landscape. As the most reliable and rapidly expanding global cryptocurrency company, we empower millions worldwide to securely engage with digital assets. Since our inception in 2011, we have garnered the confidence of over 90 million wallet holders and more than 40 million verified users, facilitating transactions exceeding $1 trillion in cryptocurrency.Blockchain.com is the leading software platform for digital assets. We boast the largest production blockchain platform globally, driven by a shared passion for coding, innovation, and the pursuit of an inclusive and equitable financial future, one software solution at a time.We are currently in search of a skilled C++/Rust Quantitative Software Engineer/Developer. In this role, you will design, build, and optimize our electronic trading platform, collaborating closely with our traders to enhance our core trading infrastructure and high-throughput trading systems. Your expertise will be crucial in identifying and mitigating critical bottlenecks in both research and production trading.The ideal candidate will possess a robust understanding of low-level optimization, a keen interest in algorithmic trading, data analysis/design, risk management, and application development. You will gain valuable exposure to quantitative trading in our fast-paced, dynamic environment. You will have the opportunity to take full ownership of projects from inception to deployment. We expect you to be a proficient Rust/C++ engineer with hands-on experience in high-frequency trading and fast market connections.

Join Squarepoint Capital as a Quantitative Developer specializing in High Performance Computing with expertise in Python. In this pivotal role, you will contribute to the development and optimization of advanced quantitative models, leveraging your technical skills to enhance performance in a fast-paced environment. Your work will directly influence trading strategies and investment decisions, making a significant impact on the firm's success.

Affinidi develops technology that helps people and organizations manage their data with greater control. The team designs digital identity tools that keep privacy and security at the forefront. Their work emphasizes decentralized approaches, aiming to make digital credentials both secure and accessible across industries and borders. Role overview The Senior Backend Engineer (Rust) position focuses on building and refining backend systems for privacy-first digital identity products. This London-based role plays a key part in supporting secure, reliable services that underpin Affinidi's core offerings. What you will do Develop and maintain backend services using Rust Create technical solutions that enhance efficiency and reliability Support the ongoing development of decentralized identity platforms Location London, England, United Kingdom

Who are we?At Cohere, our mission is to harness the power of artificial intelligence to enhance human capabilities. We are pioneers in developing and deploying advanced language models for developers and enterprises, enabling them to create transformative experiences such as content generation, semantic search, retrieval-augmented generation (RAG), and intelligent agents. We are committed to driving the widespread adoption of AI technologies.We take pride in our craftsmanship. Each team member plays a vital role in enhancing our models’ capabilities and delivering exceptional value to our clients. We thrive in a fast-paced environment where our focus is on what is best for our customers.Cohere is made up of a diverse group of researchers, engineers, designers, and other professionals, all dedicated to their craft. We believe that a variety of perspectives is essential for creating remarkable products.Join us on our journey and help shape the future of AI!We are seeking a seasoned engineer to contribute to the design, maintenance, and evolution of the training framework that underpins our state-of-the-art language models. This role is positioned at the crossroads of large-scale training, distributed systems, and high-performance computing (HPC) infrastructure. You will be responsible for architecting and managing core components that facilitate rapid, reliable, and scalable model training, as well as developing tools that connect innovative research ideas to thousands of GPUs.If you have a passion for working across the entire machine learning systems stack, this role offers you the opportunity and autonomy to make a substantial impact.What You’ll Work OnOwn and enhance the training framework for large-scale LLM training.Design distributed training abstractions including data/tensor/pipeline parallelism, FSDP/ZeRO strategies, memory management, and checkpointing.Optimize training throughput and stability on multi-node clusters (e.g., GB200/300, AMD, H200/100).Develop and maintain tools for monitoring, logging, debugging, and improving developer experience.Collaborate with infrastructure teams to ensure our clusters, container environments, and hardware configurations are optimized for high-performance training.Analyze and troubleshoot performance bottlenecks throughout the machine learning systems stack.Create robust systems that guarantee reproducible, debuggable, and large-scale training runs.You Might Be a Great Fit If You HaveExtensive engineering experience in large-scale distributed training or HPC systems.Deep familiarity with Java, Python, and/or C++ programming languages.Experience with cloud platforms and container orchestration tools.Strong problem-solving skills and a collaborative mindset.

Join Ramboll Group A/S as an On Island Framework Manager, overseeing critical projects in the Falkland Islands. You will be responsible for ensuring the successful delivery of framework contracts while collaborating with cross-functional teams to drive efficiency and innovation. This role offers a unique opportunity to work in a dynamic environment, fostering both professional growth and impactful project outcomes.