876 to 900 of 1,485 Permanent Full Stack Engineer Jobs

Design, build and operate software systems and APIs Lead technical design decisions and own product features end-to-end Specialise into backend, frontend, full-stack, mobile, DevOps or SRE Work for global tech giants, UK fintechs, banks, scale-ups and the public sector What does … Software Engineer do? Software Engineers design, build, test and operate software systems. Day-to-day work mixes coding (typically in Python, JavaScript/TypeScript, Java, Go or Ruby), technical design, code review, debugging, system architecture decisions, and on-call incident response. UK engineers operate across many product areas ...

Founding AI Platform Engineer — Stealth AI Start-up £100,000-£130,000 + Equity + Benefits London - Hybrid I'm working with a AI start-up (backed by tier-1 European VCs) building a decision platform for high-stakes environments — helping teams navigate uncertainty and make better calls … APIs, observability 🔹 Working directly with the founding team — fast decisions, no bureaucracy What we're looking for: ✅ 5+ years building production software ✅ Strong full-stack chops (Python/FastAPI + React/TypeScript or equivalent) ✅ Solid SQL & data modelling instincts — comfortable in data-heavy B2B products ...

About the companythe company is the enterprise AI platform, a full-stack solution for building, fine-tuning, and deploying AI at scale. Whether an organization is modernizing internal operations, launching AI-powered products, or transforming customer experiences, the company takes them from concept to production … next generation of enterprise AI and we’re looking for exceptional people to help us scale. Who You Are You’re a seasoned engineer who has built and scaled high-performance inference systems for AI/ML workloads. You understand the complexities of serving models at scale latency ...

Citibank (Switzerland) AG in Belfast is seeking a Senior Software Engineer (Java or Python) to co-create and evolve financial software platforms. You will work on full-stack development, applying Spring Boot/Spring Core, Flask/FastAPI, and modern JavaScript frameworks to deliver ...

portals and dashboards that enable customers to interact with large‐scale risk and analytics data in real time. You will work across the stack, collaborating with machine learning and backend engineers to ensure interfaces are reliable, secure, and intuitive. The focus is on building scalable UI solutions that … intensive tools in high‐throughput, SLA‐bound environments Ability to work with backend services in Python or Java to debug and extend the full data path Familiarity with data visualisation libraries such as D3, Plotly, ECharts, or similar Proven ability to take initiative and drive work independently Working ...

Please note: applications for this position will close on 14 June 2026. We are looking for a Senior Quantitative Engineer to join Allocation Strategy's technology team. This is a hands‐on, early‐stage role at the intersection of software engineering, quantitative modelling, applied AI, and investment analytics … Heads of Technology and Research, to design, build, and evolve the firm's core data, analytics, and modelling platform. The role spans full‐stack development, backend systems, cloud infrastructure, data pipelines, quantitative research workflows, and production modelling systems . You will help translate advanced macro‐finance ...

## Associate AI EngineerApplylocations: Londontime type: Full timeposted on: Posted Yesterdayjob requisition id: R5561The TP ICAP Group is a world leading provider of market infrastructure.Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data, through responsible … several a newly created opportunities across our business functions, that will sit within our Group Technology function as an Associate AI Engineer and be seconded out to various functions across the business including but not limited to Group Internal Audit, Operations and Human Resources.TP ICAP is a leading ...

About the Role We're seeking a versatile Principal Data Engineer who can work across the full stack of Anaplan AI applications, from model integration, prompt engineering and set the technical direction for how we ingest, transform, store, serve, and govern the data that … capture the semantics of customer models. Develop end-to-end GenAI features including backend API services, model integration, model monitoring, evaluations and deployments Engineer feature and context pipelines balancing batch and streaming patterns to feed forecasting and anomaly‐detection models, collaborating closely with data scientists to productionise algorithms. ...

Select how often (in days) to receive an alert: ROLE SUMMARY We are seeking a talented Senior Software Engineer to join our Research and Development department, based in Dunfermline. In this role, you will play a key role in the development and enhancement of Optos' clinical data workflow … software development experience, including at least 7 years developing applications using C#/.NET within a Windows environment. Proven experience developing and supporting full-stack web and desktop applications using Microsoft technologies. Strong understanding of software development best practices, including testing, code reviews and source control. ...

Infrastructure Engineer, Serving Platform London, UK Join the team shaping the future of AI at Scale. As a Software Engineer on the ML Infrastructure team, you will design and build platforms for scalable, reliable, and efficient serving of LLMs. Our platform powers cutting-edge research … mission is to develop reliable AI systems for the world's most important decisions. Our products provide the high-quality data and full-stack technologies that power the world's leading models, and help enterprises and governments build, deploy, and oversee AI applications that deliver real ...

prompts, workflows, and evaluation frameworks for autonomous AI financial analysts. Requirements Experience operating within a senior or lead software engineering position with a full stack developer background Experience using React.Js Azure Cloud experience of at least 5+ years Exposure to building AI solutions, with experience shipping ...

Full-time · Head Office (Farringdon, London) About Us Basecamp Research is dedicated to solving major challenges in the life sciences by exploring Beyond Known Biology. Our teams build frontier AI models using BaseData, the world's largest ethically-sourced and globally representative biological dataset. Our Global Research Team … build a better world, we'd love to hear from you. The Role We are looking for a Senior Research Engineer to join our AI Research team in London. You will work on the technology, systems and infrastructure that power our frontier research, from accelerators and distributed training ...

About the Role Stacks is looking for a Staff Product Engineer to set the technical standard for how we build. This is not a management role. It is an individual contributor role with outsized influence, where your decisions shape architecture, unblock teams, and define what great looks like … evolving AI‐native engineering workflows. Our product and technology are always evolving, so being a fast learner matters more than knowing our stack on day one. Here is what we are currently building with: Frontend: React, Next.js Backend: Node.js, Express, TypeScript, Python, Protobuf Data and Infrastructure: PostgreSQL, Redis ...

would you like to Serve? Join the Dollar General Journey and see how your career can thrive. Company Overview A Lead Software Engineer (LSE) is recognized as an expert in their strategic functional area and applies advanced technical expertise and a structured approach to deliver software solutions built … leveraging containerization technologies (Docker, Kubernetes). Lead the design, development and maintenance of high-quality, scalable APIs and applications across the full stack using Java, Spring Boot, and modern front-end frameworks. Experience in widely used Web framework (React.js, Vue.js etc.) and good knowledge ...

days onsite). Based in Swansea, South Wales - three days per week on‐site. Role Overview We are looking for a Lead Software Engineer to provide technical leadership across one or more multi‐disciplinary teams delivering digital services for a UK government client. You will set the technical … operational readiness for services entering live support Qualifications Strong hands‐on experience leading the design and delivery of production services across a polyglot stack Deep experience with Java and Spring Boot for back‐end service development Practical experience building serverless services on AWS using Lambda, Node.js ...

design. The Software Development function creates and maintains applications, frameworks and other software components to deliver to business requirements. Developers conceive, specify, design, engineer, document, test, and deliver bug fixes as needed to provide high quality software solutions. Each Development team is aligned to one of Marex … fast-paced environment. Strategic collaborator with insight and agility, able to anticipate and communicate future challenges, ensuring operational effectiveness. Skills and Experience: Essential: Full-stack Python Software Developer skills, specialising in numerical processing using Pandas, Numpy, Polars, PySpark, Coroutines, async tasks and Unix Building scalable applications ...

Jobtailor is seeking an experienced Enterprise Web Applications Engineer in the UK to design, develop, and maintain scalable systems. You will lead backend services with Java and Spring, while also delivering robust frontend components using ReactJS. The role emphasizes microservices architecture, RESTful APIs, and CI/CD practices ...

invites a Senior Software Engineer to join our digital assets team. You will design, build, and secure full-stack solutions—from APIs to user interfaces—supporting treasury automation, wallet inventory, and custody integrations. You’ll own the lifecycle from development through production, collaborating with ...

opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorganChase within the Commercial and Investment Bank- Post Trade Technology Group, you are an integral part of an agile team that works … Security Demonstrated proficiency in software applications and technical processes within a technical discipline (e.g., cloud, artificial intelligence, machine learning, mobile, etc.) Proficient in full stack development skill Java 21, REACT or any other frameworks, building into Public Cloud and CD/CD strategies. Practical experience using ...

agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products. As a Senior Lead Software Engineer – Base Metals/Front Office/Athena at JPMorgan Chase within the Commercial and Investment Banking – Base Metals - Commodities Tech team, you will … knowledge of software applications and technical processes with considerable in‐depth knowledge in one or more technical disciplines (e.g., cloud, object-oriented programming, full stack development - end to end, quantitative finance, etc.) Ability to tackle design and functionality problems independently with little to no oversight Must ...

Location London Employment Type Full time Location Type On-site Department Engineering About Delfa Billions of people still suffer from every-day diseases. One key reason? Clinical trials are broken . Despite $120 billion spent each year, most trials are delayed due to bottlenecks like patient recruitment. Delfa … serving high-quality healthcare data. Creating internal AI tooling to empower your teammates to self-serve and ship fast. Our current tech stack: FastAPI · Pydantic · React · OpenAI/Gemini/Claude · Temporal · Honeycomb · Render · Azure You’ll Be A Great Fit If... You have 3+ years of professional ...

Science, Engineering, or equivalent “in-the-trenches” experience. Architectural Instincts : Experience building scalable, high-performance systems and a deep understanding of design patterns. Full-Stack Fluency : A strong grasp of front-end tech, database management, and the ability to choose the “right tool for the job. … What” as much as the “How.” You thrive on Ownership: You want to be the person who shapes the tech stack and influences the direction of our internal product suite. You are AI-Native: You don’t just follow AI trends; you integrate them to build smarter, leaner ...

Founding Forward Deployed Engineer Join an early-stage applied AI company modernising safety-critical industries through automation, software and AI. As technical hire #2, you’ll work directly with the CTO, embedding with acquired businesses to understand how they operate, identify high-impact problems and build solutions that … doing Working directly with businesses to understand operational problems and identify opportunities for automation Building and shipping production software across full-stack applications, integrations, workflow automation and applied AI Working with LLMs, agents, document generation, computer vision, data pipelines and legacy systems Owning projects from discovery ...

health data is fragmented. every device, every app, every sensor speaks a different language. we built the health OS to solve that — a full-stack platform that turns raw, messy, siloed health data into something developers and AIs can reason over, build on, and ship with. … pipelines, harden our authentication layer, and design the systems that handle millions of API calls per day. You will work across the entire stack — from low-level data ingestion to developer-facing API surfaces. You will ship fast, iterate through feedback loops, and think in first principles. ...

career in coding. You will also have the reassurance of a job guarantee (£25K-£40K) upon completion. Whether you are working full-time, part-time or are unemployed, this package has the flexibility to be completed at a pace that suits you and can be completed … friendly advisors will be in touch. Keywords: Website, Web Developer, Business Development, Website, Web Design, Front End, Back End, Full Stack, Computer Programmer, Computer Systems Engineer, Systems Analyst, Programmer Analyst, Database Administrator, Front-end Developer, Mobile App Developer, Software Developer, Data Scientist, Cloud Engineer. ...