1,151 to 1,175 of 1,327 Permanent Senior Software Engineer Jobs

Reports to: Head of Applications & Software Job Type: Full time Location: Central London, hybrid About us ORCA Computing ("ORCA") is at the forefront of a new era in high-performance computing, developing full-stack photonic quantum systems designed to transform how organisations tackle machine learning, generative AI, and complex … complex AI for Science workloads that cut across computing, networking and agentic technologies. In this role you'll take ownership of ORCA's developer software stack which is our interface to this environment: our SDK, tools, algorithm libraries and integrations that let researchers, enterprises, and developers develop algorithms ...

JPMorgan Chase in London is seeking a Senior Python Engineer to join the AM Research Technology team, delivering secure, scalable cloud-based software. You will work in an agile environment to design and implement Python solutions, optimize AI workflows with OpenAI and Claude models, and influence product design ...

Humaans is building the next generation of infrastructure for the workplace; software designed for companies that are scaling fast, operating globally, and pushing into new boundaries. What started as a system of record has evolved into a broader platform for operating people globally. With Athena, our agentic AI layer … Health, to established, high-growth organisations scaling internationally and through acquisition, including Quantexa, Sellpy, Manychat, Gigs, Croud, and Threecolts. These teams don’t buy software for features,they buy leverage. The ability to run faster, cleaner, and with more control as complexity compounds. To date, we’ve raised ...

Mayfair IT is seeking Senior AI Software Engineers, GenAI Engineers and LLM Engineers to build, deploy and support enterprise-scale AI-enabled applications for secure public sector environments. Roles require strong foundations in Node.js and/or C#/.NET, with hands-on experience creating AI-powered systems ...

Graphcore in Cambridge, UK is seeking a Software Infrastructure professional to scale and manage our infrastructure. You will build essential tools and services for the ML software stack, improving build, test, deployment, and productisation processes. You will work with HPC AI platforms and gain experience in distributed systems. … will join the Build Engineering team within Software Infrastructure, collaborating with QA and development to ensure reproducible, secure builds and strong #J-18808-Ljbffr ...

leading enterprise decision‐making platform, powering the world’s largest enterprises with our proprietary HyperblockTM technology and cloud infrastructure. We are seeking an Engineer IV to join our team in Manchester, UK, or York, UK. Your Impact Lead the design, delivery, and architecture of platform capabilities powering Anaplan … request orchestration, seamless multi‐tenant isolation, and API‐first solutions serving thousands of tenants and tens of thousands of users. Partner with architects and senior engineers across the Platform Experience domain to set technical direction, aligning implementation patterns for complex initiatives (like Vanity URLs, JWT auth flows, and cross ...

leading enterprise decision‐making platform, powering the world’s largest enterprises with our proprietary HyperblockTM technology and cloud infrastructure. We are seeking an Engineer IV to join our team in Manchester, UK, or York, UK. Your Impact Lead the design, delivery, and architecture of platform capabilities powering Anaplan … request orchestration, seamless multi‐tenant isolation, and API‐first solutions serving thousands of tenants and tens of thousands of users. Partner with architects and senior engineers across the Platform Experience domain to set technical direction, aligning implementation patterns for complex initiatives (like Vanity URLs, JWT auth flows, and cross ...

CoinDesk is the most trusted media, events, indices and data company for the global crypto economy. Since 2013, CoinDesk Media has led the story of the future of money and investing, illuminating the transformation in ...

Your role: Are you a C# expert ready to move beyond coding and truly shape the future of real‐time software products? We’re looking for an experienced technical leader to drive innovation, mentor developers, and architect the next generation of our high‐performance systems. If you have … processing), this is your opportunity to make a massive impact. What You’ll Be Doing: Lead the design, maintenance, and modernisation of our core software architecture alongside your peers and the Product Line Engineering Manager. Mentor and coach Software Development Engineers across teams, setting standards and best practices ...

billion-dollar revenue company with 7000+ employees on all continents. Our leading AI technology is the backbone of our award-winning enterprise software solutions, enabling our customers to be their best when it really matters - at the Moment of Service. Our commitment to internal AI adoption has allowed … tool usage). Experience with AI frameworks and tooling such as Pydantic AI, LangChain, and MCP. Experience with MCP development and plan-based agentic software development. Experience with DevOps and cloud-native infrastructure, including Docker, Kubernetes, CNCF technologies, and CI/CD pipelines. Experience with API gateways ...

people at UiPath believe in the transformative power of automation to change how the world works. We're committed to creating category-leading enterprise software that unleashes that power. To make that happen, we need people who are curious, self-propelled, generous, and genuine. People who love being part … people at UiPath believe in the transformative power of automation to change how the world works. We're committed to creating category-leading enterprise software that unleashes that power. To make that happen, we need people who are curious, self-propelled, generous, and genuine. People who love being part ...

associates a safe space to network, share ideas and create opportunities. Sound like the place for you? Join us! Cboe Europe is seeking a Senior Python Software Engineer. As part of a small, talented development team, you will help build and expand the batch functionality of the largest … equities exchange in Europe. We are firm believers in the value of testable, maintainable code and software craftsmanship; that approach has helped us become the largest equities exchange in Europe and we need another talented individual to help us continue to innovate and lead the market. London ...

class outcomes Visionary in future focused problem-solving Exceptional in execution and impact. The Role Proofpoint is looking for a highly motivated Sr. Software Engineer to join the Threat Response product engineering team. This role focuses on designing distributed systems, solving scalability challenges, and building high-performance backend … services operating at scale. What You Bring to the Team Extensive software development experience building enterprise or SaaS applications Excellent programming skills in Java and/or Python, with a demonstrated ability to design, implement, and maintain large-scale production systems Experience building and operating large-scale, multi-tenant ...

About the role Canonical is a leading provider of open source software and operating systems for the global enterprise. The role owns building internal systems with the same standards as Canonical's public products, delivering responsible, observable, and well-documented software for a distributed team. What ...

Edit Websites is seeking a senior developer to join our small, dedicated team. You’ll work on Edit and iKnow platforms, shaping features and delivering intuitive software that helps charities operate more effectively. With 5+ years in commercial development, you’ll mentor others, write clean code, and collaborate ...

Role We're looking for a Senior Full Stack Developer to lead complex technical projects across real-time, business-critical trading platforms. You'll combine hands-on development with technical leadership, taking ownership of solutions from initial design through to production while guiding other engineers. You'll work across ...

seeking an experienced engineer to develop, enhance, and maintain trading systems in C++ and Java, focused on crypto options. You will work closely with traders and researchers to identify opportunities and drive bottom-line impact. Ideal candidates have 5+ years in C++/Java, experience with low-latency, real ...

About Clipbook Clipbook’s mission: reinvent how leaders listen to and engage with the world of information that comes out every day. Our platform ingests, comprehends, summarizes, and surfaces insights and actions from traditional news ...

Work with data and platform engineers to develop efficient processes for accessing and handling increasing volumes of data. Collaborate with internal stakeholders to define software requirements and validate features in a fast-paced, iterative environment driven by quality. Other duties may be assigned. Required Knowledge and Experience …/or Scrum environments, along with experience developing SaaS features that leverage LLM agents is preferred. Familiarity with using LLM agents to accelerate software development, as well as experience or knowledge in machine learning, would be advantageous. Experience with infrastructure-as-code tools, such as Terraform, would also ...

Finance 247 is seeking a Senior Full Stack Developer with a backend-leaning focus to build APIs and services using Node, SQL databases, and AI-enhanced workflows. You’ll work on the ArcaneAI CRM platform, scale systems on Cloudflare’s platform, and shape architecture from day one. You should ...

Iterum Trading Limited is seeking a Mid‐Level to Senior Full Stack Developer in London to help build Iterum IQ, focusing on AI/ML‐driven features. You’ll work closely with the Head of Product and a Fractional CTO, shaping architecture and mentoring junior developers. The role offers ...

information to automatically select optimal forecasting algorithms and improve accuracy by over 30%. You’ll work on sophisticated Ruby on Rails and React software that turns diverse financial data into clear analysis, giving customers sharp insight and forecasting through intuitive dashboards. This is a critical platform moving over … build-it-you-run-it), which includes participating in the on-call pager rotation What You’ll Bring: 4-8 years of professional software development experience, ideally including full-stack work with a backend lean Strong SQL fundamentals; hands-on experience with PostgreSQL ideal Comfortable working within large, sophisticated ...

Humaans is seeking a frontend engineer to help shape the product from concept to release. You will write frontend TypeScript in React, build end-to-end features, fix bugs, and expand our integration marketplace while shaping the technical architecture. You’ll collaborate closely with product teams and designers, contributing ...

experience with Yii2 or willing to learn Experience with frontend development(Typescript, React) Experience designing scalable backend systems with a strong grasp of software architecture and system design principles Strong PostgreSQL experience: schema design, indexing, query optimization, performance tuning Experience designing APIs and service integrations Solid Git workflows, code ...

financial markets, especially in delta one, store of value, and/or FICC options trading Experience with Linux-based, concurrent, high-throughput, low-latency software systems Experience with pipeline orchestration frameworks (e.g. Airflow, Dagster) Experience with streaming platforms (e.g. Kafka), data lake platforms (e.g. Delta Lake, Apache Iceberg ...