301 to 325 of 470 Senior Software Engineer Jobs in London

understand complex data, so that governments, nation states, armed forces and commercial businesses can unlock digital advantage in the most demanding environments. Job Title: Senior Cyber Software Engineer/Technical Lead Location: London (Southwark) These roles require 5 days/week on site. We offer a range … reaches of space - there's no limit to where a career at BAE Systems could take you. Role description We are looking for experienced Software Engineers who want to have a real impact, and who are keen to apply their creative thinking to the ever-changing space of cybersecurity. ...

Jobtailor in London is seeking a seasoned software engineer to design and build scalable services aligned with best practices. You will work across product, delivery and engineering teams to translate business needs into robust technical solutions. The role emphasizes architectural input, maintainable code, and leadership in DevOps culture ...

Morgan Stanley is looking for a Senior Quantitative Software Engineer in Greater London. You will lead the development of innovative solutions while optimizing trading algorithms and managing operational risks. Applicants should have at least 8 years of relevant experience, strong programming capabilities in Java or Scala ...

delivering real-time Language AI to over 300 million users and 200,000+ businesses globally. We are shifting gears. We are moving from "Software-First" to "Product-First." We don't hire engineers to just close tickets or optimize algorithms in isolation. We hire Missionaries—builders who obsess over … before the How. As a Senior Engineer at DeepL, you will operate with the agency of a founder. You will join a high-performance engineering culture that values shipping speed, system reliability, and direct business impact over theoretical perfection, whether you are building our next-gen Voice ...

Morgan Stanley is seeking a Senior Quantitative Software Engineer at the Vice President level to join their FIDCOM department in Greater London. This role focuses on developing trading critical technologies, such as market making engines, and enhancing algorithmic trading capabilities. The ideal candidate should possess over ...

company Industries in Abu Dhabi, UAE, is seeking a Senior Robotics Software Engineer, Omen Payload Integration, to join the Maneuver Dominance team. You will design, develop, and integrate software linking autonomous platforms with mission payloads and SMS systems while building APIs and data transport layers ...

keep their businesses running. CrowdStrike offers flexibility and autonomy while encouraging responsible AI adoption, experimentation, and innovation. We are seeking a Senior Software Engineer, Cloud to join our Threat Detection and Incident Response (TDIR) team and help revolutionize security management with our AI-native Falcon Next … decisions and drive outcomes. What You’ll Need A collaborative team player with a mindset of One team. One fight. 8+ years of professional software engineering experience, with 5+ years building and operating distributed systems or cloud-native services at scale in production. Solid understanding of distributed systems, scalability ...

Ripple is building a modern SaaS treasury platform and is seeking a Senior Software Developer to join the Liquidity Management team. You will help design and deliver scalable cloud-native solutions using Azure, .NET/C#, and Microsoft SQL Server, while mentoring peers and driving best practices. ...

DeepL is seeking a Senior Engineer in the Greater London area to join a global AI team building scalable language solutions. You will own core revenue-critical systems, from initial problem definition through architecture, deployment, and production reliability. You will collaborate with Product and Business teams, translating constraints ...

United States Digital Space LLC is looking for a Senior ML Software Engineer to join the Data Science Enablement team. You will own feature delivery and ensure operational excellence across ML products. The role requires strong collaboration skills and technical expertise in ML model deployment. ...

Wise is seeking a Software Engineer for the Scam Prevention team to build and enhance critical controls that protect our customers from scams. You will own end-to-end projects, focusing 80% on backend and 20% on frontend, delivering measurable security improvements and scalable solutions. You will contribute ...

United States Digital Space LLC is seeking a Software Engineer for our Scam Prevention team in London. This high‐impact role focuses on solving adversarial problems to protect our global customers and foundation money transfers. You will drive backend and frontend work (80% backend, 20% frontend) with Java ...

DeepL is a fast‐growing AI company building a scalable Language AI platform used by millions worldwide. As a Senior Engineer, you will shape the architecture and own critical systems from concept to production, balancing performance, reliability and business impact. You will work in a high‐velocity environment ...

part of the team creating cutting-edge web applications for developers using iCloud services. Description the company is looking for an experienced full-stack Software Engineer to help develop the next generation of cloud services. In this highly visible position, the successful candidate will collaborate with cross-functional … experience Proven track record in architecting and developing complex web applications A belief in testing, automation, and tooling as a critical part of the software development lifecycle Ability to lead feature development from conception to production #J-18808-Ljbffr ...

Next Frontier Capital in Greater London is searching for a Senior Lead Software Engineer to design and enhance data engineering solutions within Corporate Risk Technology. The ideal candidate will push boundaries with their expertise in software development and work collaboratively in a diverse environment. The role ...

Marex is seeking a Market Making Senior Software Developer to join our Technology Department. You will work with stakeholders and engineering teams to design and deliver products that strengthen market making capabilities and improve operational efficiency across the business. You will design, develop and maintain high-quality applications ...

impact and shaping how millions of people experience work, we’d love you on the team. Visit www.perk.com to learn more. Are you a Software Engineer who thrives on real ownership? At Perk, we know that we feel most fulfilled when we can own the problem … understanding your code and owning what you produce. That reflects how we work every day. Some examples of what it means to be a Senior at Perk Shape the bigger picture. You won't just build features, you'll refine the what to build and why. At Perk, senior ...

Kingfisher is seeking a Lead Software Engineer with deep Fluent OMS expertise to design and optimise complex workflows, rulesets, event flows, and integrations that power scalable Order Management solutions. You will own Low-Level Design, influence High-Level Design, and provide technical leadership across your squad. This hands ...

shaping how millions of people experience work, we’d love you on the team. Visit www.the company.com to learn more. Are you a Software Engineer who thrives on real ownership? At the company, we know that we feel most fulfilled when we can own the problem … understanding your code and owning what you produce. That reflects how we work every day. Some examples of what it means to be a Senior at the company Shape the bigger picture. You won't just build features, you'll refine the *what* to build and *why*. ...

United States Digital Space LLC is seeking a Software Engineer for the Persistence team in London, UK. You’ll build and optimize the infrastructure that powers hundreds of instances across regions, focusing on storage, state, and low-level compute primitives. You’ll write Golang daily and work with ...

engineering teams build highly technical products that fulfill real, important needs in the world. We develop and operate one of the largest scale software platforms. The fleet consists of millions of virtual machines, generating terabytes of logs and processing exabytes of data per day. At our scale, we regularly … observe cloud hardware, network, and operating system faults, and our software must gracefully shield our customers from any of the above. Unity Catalog is our platform native unified and open governance for data and AI. It eliminates silos, simplifies governance and accelerates insights at scale. We are looking ...

Axon Enterprise, based in London, is seeking a seasoned Software Engineer with over 8 years of experience to lead the development of advanced Video Forensics capabilities. The role involves cross-team collaboration and mentoring team members. This position operates on a hybrid work schedule, requiring in-office presence ...

have ambitious plans to expand across Europe , employing the best minds and technology to let us do this. The impact you'll have: Senior Software Engineers at loveholidays have strong expertise in: Supplier integration systems that process vast amounts of data Industry leading bespoke, high performance search ...

biggest names in retail including On, Rapha, Air Up, Holland & Barrett, AllSaints, Honeylove, and Clarins. Role We are looking for an experienced software engineer to help us build our product. You will be working on the platform and backend services of the product and also the middle layer … share what we’re building. Technical Stage — Take-home challenge plus an on-site system design and live coding interview. Final Chat — Meet a senior team member to discuss long-term goals and mutual fit. We keep things efficient and most candidates complete all stages within 2–3 weeks ...

code thoughtfully rather than rewriting it, and being trusted to deliver without heavy supervision, this role will feel unusually well-matched. The role As Senior Fullstack Software Engineer, you will help design, build and maintain the production systems that power Outsmart’s platform. You’ll work closely … engineering on systems that matter. The environment We are a small, intellectually serious company. That has advantages and responsibilities. You will: Speak directly with senior decision‐makers when needed Operate without perfect documentation Balance speed with long‐term maintainability This role suits someone comfortable with autonomy, accountability and cross ...