776 to 800 of 4,046 Software Engineering Jobs in London

Impact and Responsibilities We are seeking a Senior Software Engineer who thrives on untangling complex systems and modernising core infrastructure without breaking production. This is an exciting opportunity to modernise core C#/SQL systems! Extract legacy business logic, build clean services, and verify changes in shadow mode with ...

Job Type: Permanent (Hybrid – 2 Days Office and 3 Days work from Home) Location: London, United Kingdom Number of hours: 40 hours per week – full time Ready to utilize your experience and expertise in Java ...

* Design, develop, and maintain scalable and reliable backend systems, leveraging a range of technologies (including but not limited to those in Azure) adhering to quality standards, DevOps principles, and agile methodologies.* Designing technical solutions to ...

Senior Full Stack Software Engineer (TypeScript, React, Next.js, AI, AWS) | Up to £95,000 + Equity | London Hybrid I’m partnered with a high-growth deep-tech scale-up spun out of Imperial College London that’s helping accelerate the future of electrification. Backed by leading investors, they … built a battery software platform already used by global automotive, aviation, and industrial customers, with a Series A on the horizon and ambitious growth plans. They’re now looking for a Senior Full Stack Software Engineer to take ownership of their production SaaS platform, build the next generation ...

capture opportunities through strategy, technology, design, and digital ventures. Задачи: Build, coach, and mentor engineers; Contribute directly to code and architecture while developing engineering talent and setting best practices; Foster a culture of learning, experimentation, and curiosity; Champion engineering excellence, clean architecture, and maintainable code across squads; Lead … stable APIs and services integrating with LLMs and AWS; Promote DevOps practices, CI/CD pipelines, and automated quality assurance; Use AI and agentic engineering tools for rapid development while maintaining code quality; Drive adoption and experimentation with LLMs in collaboration with product and research teams; Improve team efficiency ...

Troubleshoot and resolve technical issues across environments. - Participate in code reviews, technical design discussions and continuous improvement initiatives. - Contribute to documentation, solution design and engineering best practices. - Work within Agile delivery teams to deliver high-quality solutions. About You - Degree educated in Computer Science, Software Engineering or a related discipline. - Around 2+ years' experience in software engineering, application development or Salesforce development. - Experience with at least one modern programming language such as Java, C#, JavaScript, TypeScript, Python or Apex. - Understanding of software engineering fundamentals including APIs, data modelling, testing, version control ...

Longshot Systems we build advanced platforms for sports betting analytics and trading. We're hiring Machine Learning Engineers across our core ML engineering and horse racing teams. You'd be designing, building and productionising ML pipelines, tooling, visualisation, frameworks and data engineering workflows to support strategy research, analysis … quantitative research teams to turn prototype trading models into production-ready systems. You'd also help shape the high-level architecture of our strategy software so it scales effectively and keeps trading latency low. We operate a hybrid Python/C++ engineering stack. A large portion ...

build rather than maintaining someone else's. You'll work in a mixed team of engineers from several suppliers, alongside a dedicated AI engineering capability. The platform combines Python/FastAPI services, React and TypeScript interfaces, Camunda workflow orchestration, modular services, data persistence, and integration with existing Defence tasking … processes. Despite the AI-enabled focus of the platform, this is primarily a software engineering role. What you'll need Significant experience delivering software in MOD, Defence Intelligence, National Security or comparable secure environments Proven experience leading agile development teams Strong engineering background across Python, FastAPI ...

important for this role, while knowledge and experience with Flutter is desirable . We are also seeking engineers with strong problem-solving skills, sound engineering judgement and the ability to learn quickly. We embrace AI-assisted software development and expect engineers to use these tools responsibly while maintaining … production support. Design, build and support end-to-end mobile features spanning the mobile client, Java backend services and data integrations. Deliver high-quality software that balances customer value, engineering quality and operational stability. Collaborate effectively with engineers, testers, designers and business stakeholders. Use modern engineering practices ...

will be pivotal in driving the delivery of mission-critical systems built on a cutting-edge technical stack. Working closely with cross-functional engineering teams, product managers, and key stakeholders, you will ensure complex, high-stakes software solutions are delivered predictably, securely, and at pace. Key Responsibilities Technical … Delivery & Agile Leadership: Lead agile delivery across multiple engineering workstreams, driving sprint planning, daily stand-ups, backlog refinement, and retrospectives. Architecture & Engineering Alignment: Partner with senior developers and architects to translate complex requirements into actionable technical roadmaps and deliverable epics. Stakeholder Management: Act as the primary bridge between ...

Description: Role Overview We are seeking a Core Platform Developer to help design and build shared engineering foundations used across the firm. This role is focused on backend and platform capabilities that improve how internal teams build, integrate, deploy, and operate software. The ideal candidate is a strong software … stack, from service frameworks and API enablement to observability, governance, and developer workflows. This is a high-ownership role within a global, fast-moving engineering environment. Key Responsibilities Design and build shared backend services, frameworks, and developer tooling that support internal application and service development. Develop common platform capabilities ...

Senior Full Stack Developer - C#/Azure/Kafka Internal Title: Software Engineering Senior Consultant Location: London, UK (Hybrid - typically 1-2 days per week in office/client site) Contract: 6-month rolling contract Rate: £600-650 per day, Outside IR35 Start: ASAP About Appvia Appvia … specialist cloud, platform, and solutions engineering consultancy, helping organisations modernise software systems, improve developer productivity, and adopt cloud-native practices that enable long-term, sustainable delivery. Our software engineering capability focuses on modern application development, cloud-native architecture, event-driven systems, and improving delivery outcomes through ...

Python Developer/Backend Software Engineer Cambridge to £65k Are you a technologist Python Developer who enjoys problem solving and working on complex systems? You could be progressing your career at the world's most advanced cybersecurity technology business that uses AI technology to protect clients across the globe … week where you can enjoy a great team atmosphere with free lunches and problem solving sessions. About you: You have strong Python, backend software engineering experience You have advanced problem solving and critical thinking skills You enjoy learning and picking up new technologies You have experience with ...

/ML stack; Debug and resolve issues across APIs, environments, and integrations; Act as the primary technical partner between Data Science and Engineering, DevOps, and Infrastructure teams; Support colleagues whose systems integrate with AI/ML and agentic components; Resolve technical ambiguity to reduce delivery friction and rework; Establish … evolve engineering standards for productionising AI/ML, including testing, observability, versioning, and release management; Mentor and guide data scientists and engineers through code reviews and hands-on technical support; Champion disciplined engineering, continuous improvement, and operational excellence within Data Science. Требования Degree in Computer Science, Artificial Intelligence ...

technology landscape while supporting the development and growth of fellow engineers. WHAT WILL YOU DO Design, develop, and deliver high-quality, scalable, and maintainable software solutions that support trading, risk, and operational processes across the business. Collaborate with Technical Leads, Architects, QA, Functional Leads, and business stakeholders to ensure … delivery priorities are aligned and solutions meet business and technical objectives. Provide technical leadership across a portfolio of applications, ensuring adherence to architectural principles, engineering standards, and best practices throughout the software development lifecycle. Drive continuous improvement by identifying and addressing technical debt, contributing to technology roadmaps ...

Linux DevOps Engineer A fantastic opportunity for a Senior Linux DevOps Engineer to join a world-leading technology company developing cutting-edge AI-powered software solutions. You will join a highly talented R&D function working on the production infrastructure and systems that underpin sophisticated software products used … infrastructure, networking and performance issues, supporting incident response and root cause analysis Develop automation, Infrastructure as Code and CI/CD processes to improve engineering efficiency and reliability Implement and enhance monitoring, logging and observability across production systems Manage and optimise Linux workloads deployed within cloud environments Collaborate with ...

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 . You will work closely with the company founders, including the Heads of Technology and Research … data pipelines, quantitative research workflows, and production modelling systems . You will help translate advanced macro‐finance and asset‐allocation research into reliable, scalable software used by institutional clients. As an early member of a small, senior team, you will work end‐to‐end across research, prototyping, data engineering ...

LONDON, LONDON, United Kingdom Job Identification 210724816 Job Category Software Engineering Business Unit Corporate Sector Posting Date 03/16/2026, 10:48 AM Locations 25 Bank Street, Canary Wharf, London, Greater London, E14 5JP, GB Job Schedule Full time Job Description Be an integral part … agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products. As a Senior Lead Software Engineer at JPMorganChase within the Equities Sales and Trading Technology, you are an integral part of an agile team that works to enhance, build, and deliver trusted ...

systems that our teams and customers depend on every day. Sitting within Data Science, this is at heart a hands‐on AI/ML engineering role. Your primary focus will be productionising Generative AI and agentic systems —building the APIs, tools, integrations and workflows that let LLMs, and agents … support the broader range of machine learning models and pipelines across the business. You will be the key partner working hand in hand with Engineering, DevOps and Infrastructure teams to bring our models and systems into production—owning the technical journey of making AI/ML systems live, stable ...

workflows and forms the bedrock for our advanced analytics and AI initiatives. You'll need deep knowledge of distributed computing, data architecture, and strong software engineering skills to tackle complex, high-scale data challenges. Your Impact Lead the data architecture, design, and deployment of scalable, high-throughput … Architect, deploy, and manage the foundational data systems that underlie modern AI infrastructure, including vector, NoSQL, and document databases. Develop end-to-end data engineering solutions, including robust ETL/ELT pipelines, API services, and data ingestion frameworks. Design and build the storage and processing layers powering our analytics ...

Oswestry Start: ASAP Rate: Up to £350 a day (OUTSIDE IR35) We're looking for an experienced Angular Developer to join a growing software engineering team and help deliver modern, scalable web applications. You'll work closely with developers, project managers and customers to build high-quality solutions … maintaining Angular applications Integrating front-end solutions with .NET backend services Writing clean, maintainable and well-tested code Contributing to code reviews and engineering best practices Working within an Agile development team Using Claude Code to enhance productivity and software quality Reasonable Adjustments: Respect and equality are core ...

observability capabilities to understand model performance, agent behaviour and failure modes. Take end-to-end ownership of technical workstreams, from architecture through deployment. Establish engineering patterns and technical direction for other engineers. Produce clear technical documentation and knowledge transfer to ensure systems can be maintained beyond the engagement. What … Looking For You'll ideally have: 6+ years of professional software engineering experience , with several years working on LLM-based, generative AI or agentic systems. A strong track record operating at Senior, Lead or equivalent engineering level. Commercial experience building multi-agent or agentic AI systems ...

Shaped Software Engineer/Platform Developer builds and maintains the components of the central platform that all software engineering teams consume to accelerate delivery and reduce friction. We operate as a high-value technology consultancy, meaning our developers are versatile, “Pi-shaped” practitioners with deep roots … Software Engineering alongside a second deep leg in Platform/DevOps. We are proudly building an AI-Native culture, leveraging modern AI tooling to flex across languages and supercharge delivery. Working directly with clients, the developer treats platform engineering as a product, ensures exceptional communication, and helps ...

Artificial Intelligence, Automation and Intelligent Engineering. We are building enterprise-scale AI capabilities that improve service resilience, automate operational workflows, accelerate engineering productivity and enhance customer outcomes.As a Core AI Engineer, you will play a leading technical role in the design, development and deployment of AI solutions across … organisation. You will combine software engineering, machine learning and AI platform expertise to turn innovative concepts into production-ready products that deliver measurable business value.This is a hands-on engineering role for someone passionate about building scalable AI systems, solving complex technical challenges and influencing the direction ...

reliability, resilience, observability, and operability of customer-facing digital banking services. We build automation, define measurable reliability practices, reduce operational friction, and partner with engineering teams to ensure services are designed, delivered, and operated with reliability in mind. Job responsibilities Drive continuous improvement of reliability, monitoring, and alerting … Develop meaningful service metrics, user journeys, service-level indicators, service-level objectives, error budgets, dashboards, and actionable alerts. Engage with development teams throughout the software lifecycle to design for reliability and scale. Design and implement self-healing and resiliency patterns, including graceful degradation, rate limiting, circuit breakers, and failover ...