1,251 to 1,275 of 4,043 Software Engineering Jobs in London

Software Engineer (London)

Location
Greater London, England, United Kingdom
looking for a software engineer to join a lean and technical quantitative trading startup. You’ll be responsible for developing and maintaining scalable trading applications and infrastructure for many financial markets and assist with developing the full stack of infrastructure to support trading operations. The role is fast paced … layer on top Technical expertise throughout (everyone programs) Cloud-scalable research infrastructure Desirable Skills Experience with Python Experience with x86 hardware Experience with performance engineering Understanding of Intel Xeon pipelining and cache behavior Experience with the TCP networking stack Experience optimizing Linux kernels/using kernel-bypass networking Experience ...

Lead Software Engineer - Risk/ FORT BUS MGMT

Location
Greater London, England, United Kingdom
DESCRIPTION Description We are seeking an experienced and motivated Lead Software Engineer – Athena to work on our Risk platform and Aggregation system. In this role, you will design, develop, and integrate sophisticated solutions that support trading desks and back office functions across rates products. You will work … high-impact systems that enable critical risk management and profit & loss (P&L) analysis for our trading operations. Job Responsibilities Build and maintain robust software solutions supporting rates trading activities. Collaborate closely with quantitative analysts, traders, risk managers, product managers, and other technology teams. Develop scalable, high-performance Python ...

Senior Software Engineer (Java)

Location
Greater London, England, United Kingdom
raised capital from some of the world’s best investors: Sequoia Capital, Founders Fund, Brevan Howard Digital, Y Combinator, and Kaszek Ventures. Senior Software Engineer (Java) Location London Employment Type Full time Location Type Hybrid Department About ARQ ARQ is one of the fastest-growing fintechs in the world. … money. What you'll be doing The work will focus on greenfield development and improvement of existing systems Projects will include building REST APIs, engineering microservices and evolving a number of systems that our business depends on (e.g. card payments, treasury management, transactions booking, crypto liquidity) Our technology stack ...

Principal Software Engineer - C#

Location
City Of London, England, United Kingdom
evolve to include formal people management.Role ResponsibilitiesAct as the primary hands-on technical leader: architect the platform, write correctness-critical code, and set the engineering bar through your own output.Own the technical direction of the ICRV greenfield project, developing high-performance, scalable, and robust solutions from first principles through … platform grows.Experience/CompetencesEssentialExperience:10+ years Financial Services building complex front-office trading systems, with demonstrated technical leadership through multi-year delivery.Demonstrated success leading engineering teams through complex, multi-year transformation programmes.Hands-on experience across the full software development lifecycle.Practical experience using AI tools across the development lifecycle ...

Senior Forward Deployed Engineering - Architect

Location
Greater London, England, United Kingdom
Location: Hybrid – London As a Senior Forward Deployed Engineering - Architect you will work with customers to build and productionize solutions to their data & AI challenges using the Databricks platform. You will own the architecture, lead design decisions, and implement end-to-end systems spanning data engineering, AI, and application development. We work cross-functionally to shape long-term strategic priorities and initiatives alongside engineering, product, and developer relations. FDEs deliver with customer empathy, integrating with client systems, training, and other technical needs to help customers get most value out of their data. This ...

Software Development Engineer, AWS Security

Location
Greater London, England, United Kingdom
Software Development Engineer, AWS Security Job ID: 10561018 | Amazon Development Centre (London) Limited Come and build innovative services that protect our cloud from advanced security threats! As a Software Development Engineer on our team, you’ll help build and manage services that detect and automate the mitigation … cybersecurity threats across Amazon’s infrastructure, including advanced persistent threats. You’ll work with security engineers, data scientists, and other software development engineers across multiple teams to develop innovative security solutions at a massive scale. Our services protect the AWS cloud for all customers and help preserve our customers ...

Software Engineer (Contract)

Location
Greater London, England, United Kingdom
schedule, so that our catalogue team reviews what it proposes rather than operating it. The work is a mix of data engineering, matching records across sources that describe the same vehicle differently, and production engineering on AWS. It is not infrastructure-heavy: the Lambda, Postgres and Terraform foundations … large say in what we build and how we build it, including how we work with AI tools. Who We Are Looking For A software engineer, backend or full stack, who will take on a hard problem and see it through, rather than work through tickets. You have turned ...

Lead Risk Software Engineer LDN

Location
Greater London, England, United Kingdom
profit & loss analysis for our trading operations. Key Responsibilities As a Senior Python Developer on our team, you will build and maintain robust software solutions for rates trading activities. You will collaborate closely with quantitative analysts, traders, risk managers, to integrate systems across front office , middle and back office … Rates. Required Qualifications Minimum 5 years of hands‐on Python development experience Strong preference for candidates with financial services background Solid understanding of software engineering principles including object‐oriented design, testing methodologies, and version control practices Demonstrated ability to write clean, maintainable code and work effectively within large ...

Lead Risk Software Engineer LDN

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
profit & loss analysis for our trading operations. Key Responsibilities As a Senior Python Developer on our team, you will build and maintain robust software solutions for rates trading activities. You will collaborate closely with quantitative analysts, traders, risk managers, to integrate systems across front office , middle and back office … Rates. Required Qualifications Minimum 5 years of hands-on Python development experience Strong preference for candidates with financial services background Solid understanding of software engineering principles including object-oriented design, testing methodologies, and version control practices Demonstrated ability to write clean, maintainable code and work effectively within large ...

AI Software Developer

Location
Greater London, England, United Kingdom
driven. We seek people who think in code and are motivated by being around like-minded people. The Role: We are building a new software engineering team with strong applied AI orientation to amplify WorldQuant's success. The team is focusing on creating company-wide applications to address ...

Technical Programme Manager (Data & Intelligence Engineering) IRC303383

Location
Greater London, England, United Kingdom
defined by data-driven transformation and applied AI, global enterprises require partners who can do more than maintain legacy infrastructure—they need visionary engineering leaders to design, scale, and operationalize the next generation of AI-enabled platforms, intelligence ecosystems, and modern data architectures. Description About the Role … defined by data-driven transformation and applied AI, global enterprises require partners who can do more than maintain legacy infrastructure—they need visionary engineering leaders to design, scale, and operationalize the next generation of AI-enabled platforms, intelligence ecosystems, and modern data architectures. As a Technical Programme Manager (Data ...

Software Engineer (Backend)

Location
Greater London, England, United Kingdom
part of P.ai — head on over, we'll see you there! Careers/Job Listing Software Engineer (Backend) We are looking for a full-time software engineer in London (or in Europe working remotely) to help us build a world-class web platform. Our Engineering team consists ...

Senior Software Engineer, Backend

Location
Greater London, England, United Kingdom
prioritize candidate safety. Please be aware that all official communication will only be sent from @ Rippling.com addresses. About the role As a Senior Software Engineer on the Global Payroll team, you will play a critical role in advancing our full-service payroll platform that handles payroll configuration and calculations … grow and expand Provide mentorship to other engineers, fostering their professional growth and success Enforce high-quality deliverables and raise the bar for engineering excellence by building and operationalizing tools, monitors, and processes across the organization Participate in an on-call rotation to handle customer and production support What ...

Engineering Manager, Treasury

Location
Greater London, England, United Kingdom
payouts. These systems have to be reliable, observable, and audit-ready by default, because everything else at Reap depends on them being right. As Engineering Manager, Treasury, you'll lead the team building global, asset-agnostic money movement systems that work across regions, currencies, and financial partners. A significant … Reap's product organization to turn treasury strategy into systems that actually hold up in production. Your Mission Awaits Primary Mandate Own the engineering side of the Treasury domain — assets and currencies, rails and networks, FX, wallet and account infrastructure, and the global ledger — building the foundation that lets ...

Senior Software Engineer | New Games

Location
Greater London, England, United Kingdom
provide technical guidance across the codebase and help resolve challenging problems, moving comfortably between high-level design and implementation details. You will strengthen the engineering team by mentoring engineers, sharing knowledge, and helping establish practical standards for code quality, performance, and maintainability. You will support others in taking ownership … making sound technical decisions, while driving improvements in how we build and operate our technology. Skills to create thrills Extensive software development experience Strong experience with Unity and C# Strong understanding of software architecture and the ability to quickly adapt to new codebases Experience working with complex codebases ...

Staff Software Engineer, Inference

Location
Greater London, England, United Kingdom
Staff Software Engineer, Inference London, UK Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts … enables researchers to develop next-generation models Integrate new AI accelerator platforms and support inference for new model architectures Proficiency in Python or Rust Software engineering experience building and operating distributed systems in production Working knowledge of containerized infrastructure (e.g., Kubernetes) and at least one major cloud platform ...

Java Software Engineer - Customer Services

Location
Greater London, England, United Kingdom
located within a commutable distance of one of our offices so that we're able to interact and collaborate in person. Our Engineering Environment Starling engineers are excited about helping us deliver new features, regardless of what their primary tech stack may be. Hear from the team … continue changing banking for good. We’re seeking a highly motivated and experienced engineer to play a key role in our Customer Service Engineering Group. You should have a strong understanding of delivering robust and scalable code, applying best practices, and a proven track record of delivering high-quality ...

Full Stack Software Engineer (Frontend-leaning)

Location
Greater London, England, United Kingdom
translating. Making that legible is the hardest and most valuable product problem we have. It's an information design problem as much as an engineering one: dense, interlinked, jurisdiction‐specific data that has to land as something a CFO can look at and immediately act on. We're looking … features: RAG, embeddings, evaluation. Go, or a willingness to learn it. It's what most of our backend is written in. Data or analytics engineering experience (Python, PyData stack). Technology Frontend: TypeScript, Next.js, Tailwind, shadcn/ui, Reactflow, Vercel Backend: Go, TypeScript, Postgres, Encore.dev, Google Cloud Services: GitHub ...

Software Engineer - Senior

Location
Greater London, England, United Kingdom
Solve complex, end to end problems across the stack, from data ingestion and transformation, complex algorithms, through to APIs and partner integrations. Contribute to engineering standards, peer reviews, and design discussions that raise the technical bar. Use AI and automation to accelerate development cycles, testing, and deployment. Help shape ...

Software Engineer, Business Technology

Location
Greater London, England, United Kingdom
build beneficial AI systems. About the role Anthropic is looking for product engineers to build internal products. This role sits at the intersection of engineering, product, and design—you'll own outcomes, not just tasks. You'll work directly with users to understand their needs, identify the patterns behind … tools, frameworks, and domains as the product evolves You may be a good fit if you: Have 6+ years of experience building production software, ideally full-stack Can operate as a team of one when needed—you're independently capable of taking a product from idea to shipped, even ...

Mid-level to Senior Software Engineer

Location
Greater London, England, United Kingdom
watch grow, the card they spend with. We're looking for a mid-level to senior, fullstack engineer to join one of Plasma's engineering teams and own the product and client-side surfaces that team is responsible for. Our stack is TypeScript across the board - Node.js … departments. Own reliability: graceful handling of failures, retries, and edge cases in a product where mistakes cost people real money. Raise the bar on engineering quality within your team: architecture, testing strategy, performance budgets, and code review. Mentor other engineers and drive technical clarity on the product side ...

Senior Software Engineer, Content Agent

Location
Greater London, England, United Kingdom
orchestration logic that decides what the agent does, in what order, and when to bring a human in. Create and maintain system prompts as engineering artifacts. Run evaluations and experiments to measure and improve reliability in real usage. Utilize GROQ, Sanity's content query language, to give the agent ...

Software Engineer, Agent (Italian speaking)

Location
Greater London, England, United Kingdom
means to balance craft, ownership, and speed Familiarity with tools that power today\'s AI agents: eval frameworks, agent tooling, RAG pipelines, and prompt engineering Prior experience with React, TypeScript, and/or Go Previous roles where you interfaced with customers or led technical projects with external stakeholders ...

Software Engineer, Agent (Dutch speaking)

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent
means to balance craft, ownership, and speed Familiarity with tools that power today's AI agents: eval frameworks, agent tooling, RAG pipelines, and prompt engineering Prior experience with React, TypeScript, and/or Go Previous roles where you interfaced with customers or led technical projects with external stakeholders ...

Software Engineer, Agent (Italian speaking)

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent
means to balance craft, ownership, and speed Familiarity with tools that power today's AI agents: eval frameworks, agent tooling, RAG pipelines, and prompt engineering Prior experience with React, TypeScript, and/or Go Previous roles where you interfaced with customers or led technical projects with external stakeholders ...