626 to 650 of 679 Senior Software Engineer Jobs in London

Senior Software Engineer - Distributed Systems at Scale

Location
Greater London, England, United Kingdom
Laotop recherche un développeur logiciel expérimenté pour concevoir et maintenir des systèmes distribués chez AWS. Vous travaillerez sur des architectures scalables et participerez à l'optimisation des performances et de la fiabilité. Le candidat idéal ...

Senior Software Engineer - Health AI Automation Remote

Location
Greater London, England, United Kingdom
Heidi is building a code-first automation engine to connect EHRs without native integrations. You will develop the UI-automation layer, mapping templates, and patient-matching logic that writes into real patient records. You'll ...

Senior Software Engineer (iOS)

Location
Greater London, England, United Kingdom
We’re building the next generation of travel and expense (T&E) technology using AI and large language models Our mobile platform blends cutting-edge AI with strong product and UX so travelers get an ...

Senior Software Engineer - London

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
hackajob is partnering directly with Perk to hire for this role. About Us Perk (formerly TravelPerk) is the intelligent platform for travel and spend management. Built to tackle the time-consuming, manual work that gets ...

Growth & Conversion: Senior Software Engineer

Location
Greater London, England, United Kingdom
Runna is seeking an Architect to build and ship high impact user journeys and subscription funnels. You will design and run experiments across web and app—onboarding, paywalls, plan discovery—to improve conversion at every ...

Senior Lead Software Engineer - Platform / Network Engineer - Accelerator Team

Location
Greater London, England, United Kingdom
realize your potential. Our team is key to our success. We’re people-first. We value collaboration, curiosity and commitment. As a Platform Engineer in the Networking Team at JPMorgan Chase within the Accelerator, you are the heart of this venture, focused on getting smart ideas into the hands … drive outcomes-oriented probing of architectural designs, technical credentials, and applicability for use within existing systems and information architecture Lead communities of practice across Software Engineering to drive awareness and use of new and leading-edge technologies Lead agile ceremonies Add to team culture of diversity, equity, inclusion ...

Software Engineer — Staff / Senior

Location
Greater London, England, United Kingdom
role You'll own the backend systems Letly runs on — and the architecture other engineers build on: the software behind every viewing, tenancy, certificate, rent payment and repair. These are systems where correctness, reliability and scale are non-negotiable : real people's money, homes and legal exposure … line. This is a senior-to-staff hire. At senior you own systems others build on — you make the architecture calls, set the patterns, and raise the bar around you. At staff you own the technical direction of a domain: you decide what gets built ...

Senior C++ Software Engineer

Hiring Organisation
Alten
Location
London, UK
Employment Type
Full-time
REF17323VPosted: 2026-04-21Location: London, England, GBEmployment Type: Full-timeFunction: ConsultingExperience Level: Mid-Senior LevelIndustry: Information Technology And ServicesCompany: ALTENCompany DescriptionALTEN is a global engineering and technology consultancy operating across over 35 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy … that build tomorrow's world—today. Join us and start building tomorrow's world today! Job DescriptionJoin our team to deliver high-impact Defence software solutions for mission-critical systems. You'll work on projects requiring robust, safety-regulated software development, applying your expertise in C++ and compliance ...

Senior Software Engineer-AI

Location
Greater London, England, United Kingdom
5+ years of software engineering experience designing, coding, testing, and operating production-grade backend services and cloud-native applications Strong coding proficiency in TypeScript, Python, C#, or similar technologies, with experience building scalable application programming interfaces, microservices, and distributed systems Practical experience building enterprise AI applications using large language … challenges. Demonstrates a growing awareness of AI risk management and a commitment to responsible and ethical AI use Skills And Competencies 5+ years of software engineering experience designing, coding, testing, and operating production-grade backend services and cloud-native applications Strong coding proficiency in TypeScript, Python, C#, or similar ...

Senior Lead Software Engineer - Platform / Network Engineer - Accelerator Team

Location
Greater London, England, United Kingdom
realize your potential. Our team is key to our success. We’re people‐first. We value collaboration, curiosity and commitment. As a Platform Engineer in the Networking Team at JPMorgan Chase within the Accelerator, you are the heart of this venture, focused on getting smart ideas into the hands … drive outcomes‐oriented probing of architectural designs, technical credentials and applicability for use within existing systems and information architecture. Lead communities of practice across Software Engineering to drive awareness and use of new and leading‐edge technologies. Lead agile ceremonies. Add to team culture of diversity, equity, inclusion ...

Senior C++ Software Engineer

Location
Greater London, England, United Kingdom
build tomorrow’s world—today. Join us and start building tomorrow’s world today! Job Description Join our team to deliver high-impact Defence software solutions for mission-critical systems. You’ll work on projects requiring robust, safety-regulated software development, applying your expertise in C++ and compliance … contribute to fast-paced defence programmes, where your work directly supports operational capability. Location: London (EC2) On-site: Hybrid (3 days per week) Seniority: Senior (8+ years of experience) Clearance: Candidates must be willing and eligible to obtain SC clearance. Key Responsibilities Design, develop, and maintain C++ software ...

Senior Lead Software Engineer- Back End- Madrid

Location
Greater London, England, United Kingdom
core part of our ethos to give consumers the confidence and clarity to make informed investment decisions and achieve their financial goals. As an engineer at J.P. Morgan Personal Investing, you will be part of a team with great ambitions. We aim to build a first-class suite … hands of our customers. We're looking for people who have a curious mindset, thrive in collaborative squads, and are passionate about building quality software that has a big impact in a rapidly changing environment. By their nature, our people are also solution-oriented, commercially savvy and have ...

Senior .NET Software Engineer - Enterprise SaaS

Location
Greater London, England, United Kingdom
Jobtailor is seeking a Senior Developer to design, develop and maintain enterprise-scale software using C#, .NET/.NET Core, Razor, Web API and SQL Server. You will work across the full stack and drive high-quality code. You'll collaborate with Product Owners, testers, UI/ ...

Senior Lead Software Engineer - Platform Engineering - Team Lead

Location
Greater London, England, United Kingdom
shape the future of our platform and make a meaningful impact on the products and people around you. As a Sr Manager of Software Engineering at JPMorganChase within the Cloud Platform Engineering team, you will lead a high-performing squad focused on delivering scalable solutions that bring smart ideas … engineering team, ensuring products are built to scale and aligned with our mission. Job responsibilities Provide direction, oversight, and coaching for a team of software engineers, fostering an inclusive, high-performance culture Oversee end-to-end delivery of platform initiatives, translating requirements into technical roadmaps and ensuring operational stability ...

Senior Software Engineer-AI

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
hackajob is partnering directly with Moody's Corporation to hire for this role. Skills and Competencies 5+ years of software engineering experience designing, coding, testing, and operating production-grade backend services and cloud-native applications Strong coding proficiency in TypeScript, Python, C#, or similar technologies, with experience building scalable … discipline, or equivalent professional experience Responsibilities Designs, builds, and operates the services and AI-powered features behind Moody's intelligent data products as a senior contributor within the Digital Content and Innovation organization. Design, code, test, and operate backend services, application programming interfaces, data pipelines, and inference pipelines that ...

Senior Backend Software Engineer (Backend, Go)

Location
Greater London, England, United Kingdom
Arenko is an Energy Tech company using advanced software to optimise energy storage, making electricity grids more flexible, reliable, and zero-carbon. Our platform enables grid operators (such as National Grid in the UK) and asset owners to maximise efficiency and revenue in an evolving energy landscape. What … work in a cross-functional, agile team, building our software platform Nimbus. Your work will have a direct impact on the transition to a sustainable energy future by: Automating energy trading across multiple markets in the UK and internationally. Processing and managing high-frequency telemetry data from battery sites ...

Senior Software Development Engineer

Location
Greater London, England, United Kingdom
have the flexibility, benefits, and support to do their best work. Join us and build for travelers everywhere. The team As a Fullstack engineer in the Product Experience team, you will be responsible for building and maintaining our high-availability, high-transactional Property Detail Pages on the app. … will be part of a multi-functional team of Product Managers, TPMs, Engineering Managers, and Software Engineers based in Gurgaon, Bangalore, London, and Madrid. We prioritise building high-quality software with a focus on availability, performance, scalability, and system resiliency. Our London team is looking for curious, empathetic ...

Senior/Staff Software Engineer

Location
Greater London, England, United Kingdom
hardware teams to collaborate with AI agents to design, validate, and evolve complex systems with speed and rigor. About the role Flow is seeking software engineers to build AI-powered capabilities that help teams author, review, and manage requirements more effectively. You will work on agentic systems engineer and agentic domain engineer workflows—bringing AI into the center of how teams reason about their systems. This role sits at the intersection of AI, product, and full-stack engineering: you will take ideas from prototype all the way to stable, observable features in production. What ...

Senior Lead Software Engineer - Platform Engineering - Team Lead

Location
Greater London, England, United Kingdom
shape the future of our platform and make a meaningful impact on the products and people around you. As a Sr Manager of Software Engineering at JPMorganChase within the Cloud Platform Engineering team, you will lead a high-performing squad focused on delivering scalable solutions that bring smart ideas … engineering team, ensuring products are built to scale and aligned with our mission. Job responsibilities Provide direction, oversight, and coaching for a team of software engineers, fostering an inclusive, high-performance culture Oversee end-to-end delivery of platform initiatives, translating requirements into technical roadmaps and ensuring operational stability ...

Senior FinTech Software Engineer - AI-Driven Cloud Native

Location
Greater London, England, United Kingdom
JPMorgan Chase & Co. in London is seeking an Engineer for J.P. Morgan Personal Investing to help build a top-in-market suite of mobile and web apps delivering the best investment experience. You will work in squads, apply Java/Springboot with Kotlin, DynamoDB, Aurora/MySQL … design event-driven architectures with Kafka, and contribute to high-quality software through tests and code reviews. #J-18808-Ljbffr ...

Senior .NET Software Engineer – SaaS (Hybrid)

Location
Greater London, England, United Kingdom
Pinewood.AI is seeking experienced Senior Developers to join our Marylebone-based engineering teams. You will help design, develop, and deliver the Pinewood Automotive Intelligence Platform, collaborating with Product, testers, UI/UX, and engineering colleagues across the full software lifecycle. You will work hands-on to build ...

Senior Software Engineer-AI

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
hackajob is partnering directly with Moody's Corporation to hire for this role. Skills and Competencies 5+ years of software engineering experience designing, coding, testing, and operating production-grade backend services and cloud-native applications Strong coding proficiency in TypeScript, Python, C#, or similar technologies, with experience building scalable ...

Senior AI Software Engineer

Location
Greater London, England, United Kingdom
risk ambiguous or complex problems. Ramp up fast in unfamiliar systems—map key components, ask good questions, and contribute early. Work as a guest engineer in other teams’ codebases, aligning on scope, following conventions, and delivering clean, maintainable handovers. Share knowledge, patterns, reusable tooling, and guidance to improve engineering … tools where they accelerate project delivery. Key Knowledge & Skills Degree in Computer Science or related field, or equivalent practical experience. 8 years plus professional software development experience and a record of shipping reliable software. Experience with agentic coding tools (e.g., Claude Code, Codex) and building custom extensions. Proficiency ...