26 to 50 of 543 Software Engineering Jobs in London

Sanderson are currently working with a client who are looking to develop their cyber software engineering capability, developing novel solutions of a mission critical nature. The role will include tackling hard problems across multiple platforms like Linux, Windows and Android with environments ranging from small IoT devices through … Cloud. The key requirements You will likely have experience in the below areas: Software analysis, reverse engineering and vulnerability research of compiled or interpreted code that could be disguised or defensively structured Operating systems and/or firmware internals, security architectures and hardware generalisation. Engineering software ...

experienced software engineer, familiar with Azure, Python Or Typescript and Mongo/Atlas? Are you looking for a rare and exciting permanent software engineer lead role with a rapidly expanding SaaS business who are offering equity and the opportunity to build your own team? Our client is looking … experienced software engineer who is looking for the next step in their career or has experience of building or leading a software engineering team. Whilst the role is remote working, the client is initially looking for someone to be based within a commutable distance of London ...

experienced software engineer, familiar with Azure, Python Or Typescript and Mongo/Atlas? Are you looking for a rare and exciting permanent software engineer lead role with a rapidly expanding SaaS business who are offering equity and the opportunity to build your own team? Our client is looking … experienced software engineer who is looking for the next step in their career or has experience of building or leading a software engineering team. Whilst the role is remote working, the client is initially looking for someone to be based within a commutable distance of London ...

Senior Head of Delivery (Engineering, Implementation & Support) Location: Wilmslow, UK (Full time office-based) Salary: This is a senior leadership role and remuneration will reflect experience, scope and impact. About FastDox FastDox is a B2B SaaS company serving customers globally, with operations across the UK and Canada. We build … deliver software that helps organisations run critical, document-driven processes faster and more reliably. This is a senior leadership role for someone who can lead and scale an entire delivery function – spanning engineering, configuration/implementation and technical support – rather than a traditional "projects only" delivery position. ...

Junior Backend Software Engineer/Developer (Rust HFT) London/WFH to £90k Are you a bright, ambitious Software Engineer with a first class education? You could be progressing your career at a hugely profitable High Frequency Trading firm that specialise in crypto markets. What … Salary to £90k Significant bonus Pension Hybrid working Career progression Your role: As a Junior Backend Software Engineer you will design and develop backend services for real-time risk, pricing, trading engines and market making systems, working across the full software development lifecycle using Rust. You'll collaborate ...

C++ Software Engineering Manager A brand new and exciting opportunity has arisen for a C++ Software Engineering Manager with extensive knowledge of C++ to join a market leading financial services company based from their Old Street, London office. Please note you will be expected ...

Role Overview We are seeking a Software Developer to contribute to the ongoing development of a data-driven analytics platform within the I nsurance sector . This is a hybrid role , with two days per week working on-site in central London and the remainder working remotely. You will … work as part of a multidisciplinary team, helping to design and build scalable software solutions that support insight-led decision-making for non-life insurance. Key Responsibilities Design, build, and enhance features within an insurance analytics platform, contributing to its long-term technical direction and responding to user ...

Product/Backend Software Engineering Position Summary Salary band £100-120k+ (& equity) Hybrid working policy: with three days a week in our Southwark office Experience level: At least five years in commercial software engineering 🚀 About Orchestra Orchestra is an AI-native data pipelining platform building … data teams! Backed by VCs from San Francisco, New York and London with angels from across the data space and beyond. 👷 Engineering at Orchestra We care deeply about our users—their pain points and experience We're a small team of generalists who embrace new challenges regularly ...

OFFENSIVE SECURITY Fully Remote Up to £100,000 + Excellent Staff Bens + Share Scheme SECURE has Strategically Partnered with a Multi-Award-Winning, Software-Based Organisation at the forefront of Pre-Emptive Exposure Management. As a market leader backed by significant Venture Funding, they expand Offensive Security capabilities … specifically around Threat Detection Engineering, in their mission of helping organisations understand how they could be compromised. Success in this position will enable the business to build Detection Strategies that Continuously Identify Real-World Exploitation, helping Fortune 500 Companies & Critical Infrastructure Providers outrun Real-World Threats in Real-Time. ...

client journeys and delivering on HL's vision to give people financial freedom. You will work with like-minded people from business, product and engineering functions to develop and refine client journeys covering onboarding, KYC, account management and investment workflows in a secure and compliant environment. By joining … applications using React and AWS technology stack. Solid experience & knowledge of React and Web development is a must-have. Define and uphold front-end engineering standards, best practices, and architectural principles. Lead technical decision-making, balancing short-term delivery needs with long-term maintainability and scalability. Ensure applications ...

Full Stack Software Engineer Central London (1 day a month) Circa £80,000 (depending on experience) + excellent benefits package My client are a start-up created within and as part of a large wealth management firm, so you have all the benefits of a start-up environment without … instability and inconveniences! It's an exciting environment where you'll be working with a cutting-edge tech stack creating data-driven fintech software for major financial firms. What will you do in the role? You'll be part of a high-quality Software Engineering team working ...

with senior technical leaders to design, prototype, and deliver modern digital solutions that can be reused and scaled across the organisation. Blending hands-on engineering with consultative engagement, the Solutions Engineer will collaborate with teams across multiple businesses, helping translate strategic ambition into tangible, high-quality technical outcomes. This … modern platforms, AI services, and emerging technologies. Support the rollout of in-house Generative AI capabilities across multiple operating companies. Influence best practice in software engineering, architecture, and delivery at enterprise scale. Create reusable technical assets that accelerate innovation and adoption across the organisation. Engage senior stakeholders ...

visualisations, and is becoming the operating system for trading teams globally. The role You’ll be the reliability specialist embedded in a product engineering team, owning how distributed systems are designed, run and scaled rather than sitting in a separate ops silo. Expect real‐time data, high‐throughput pipelines … security and resilience. Build and enhance observability stacks for metrics, logging, tracing and alerting, and guide incident response. Mentor engineers in distributed systems, reliability engineering and infrastructure design, acting as a technical reference point. What you bring 7+ years in software engineering, SRE, DevOps or infrastructure roles ...

Infrastructure Engineer (Robotics) LondonContract, Outside IR35£600-1000 per dayPrimarily onsite Overview We are partnering with a robotics and AI company building the core software infrastructure that enables advanced AI models to operate reliably in real-world robotic systems. They are looking for a Senior ML Infrastructure Engineer … design, build, and optimise the training and inference platforms at the heart of their technology. This is a hands-on engineering role focused on scale, performance, and reliability. You will work across the full machine learning lifecycle, from distributed training pipelines to highly optimised inference systems deployed into production ...

curate high-quality data sets Map data fields to business hypotheses, wrangle data, and ensure datasets are model-ready Contribute to a cross-functional engineering culture with a focus on quality, automation, and continuous improvement Ensure Secure & Compliant Practices Apply strong knowledge of information security principles to ensure compliant … mind What You'll Bring An ideal candidate will have: Proven experience in a hands-on technical role delivering impact through data engineering, software development, or analytics Demonstrated success in launching and scaling technical products or platforms Strong programming skills in at least two of the following: Python ...

business, operations, IT, and regulatory bodies to ensure smooth implementation of payment solutions. About Us: Ascendion is a global, leading provider of AI-first software engineering services, delivering transformative solutions across North America, APAC, and Europe. We are headquartered in New Jersey. We combine technology and talent … deliver tech debt relief, improve engineering productivity solutions, and accelerate time to value, driving our clients’ digital journeys with efficiency and velocity. Guided by our “Engineering to the power of AI” [EngineeringAI] methodology, we integrate AI into software engineering, enterprise operations, and talent orchestration, to address ...

client journeys and delivering on HL's vision to give people financial freedom. You will work with like-minded people from business, product and engineering functions to develop and refine client journeys covering onboarding, KYC, account management and investment workflows in a secure and compliant environment. By joining … Android using cross platform React Native technology stack. Solid experience & knowledge of React Native is a must-have. Define and uphold mobile engineering standards, best practices, and architectural principles. Lead technical decision-making, balancing short-term delivery needs with long-term maintainability and scalability. Ensure applications are performant, accessible ...

Graduate Implementation Specialist A fantastic opportunity for a Graduate Implementation Specialist to join a rapidly scaling AI SaaS software company that is transforming how global organisations manage complex workflows and documentation. Having experienced significant growth and secured major investment, this organisation is continuing to expand its customer base across … exceptional customer experiences Strong problem-solving skills, with a creative mindset for developing effective strategies that support customer engagement Comfortable learning and using new software and technology efficiently Enthusiastic about emerging AI technologies and their real world applications Skilled in designing, testing, and refining prompts for AI systems ...

Stakeholder communication if applicable Post Deployment: • Prepare documentation • Conduct post release review (lessons learned) About Us: Ascendion is a leading provider of AI-first software engineering services. Our applied AI, software engineering, cloud, data, experience design, and talent transformation capabilities accelerate innovation for Global 2000 clients. ...

intelligent tagging and metadata enrichment frameworks to categorize and organize legal and market data, improving search, discoverability, and insight accuracy. LLM & Machine Learning Application Engineering Design, build, and maintain traditional ML and LLM models and pipelines. Build LLM apps using LangGraph/LangChain: tools/function calling, structured outputs … JSON Schema), agents, and multi-step reasoning. Implement ASR/TTS and multimodal where relevant (e.g., Whisper). Choose customization paths pragmatically: prompt engineering, system prompts, tools, adapters/LoRA, and selective fine-tuning only when needed. Fine-tune and optimise ML models and LLMs to enhance performance, efficiency ...

workflows, and monitoring to maintain model performance. Design evaluation metrics to assess accuracy, latency, UX quality, safety, and real-world utility. Collaborate with product, software, and platform teams to deliver scalable, production-ready AI solutions. Champion software engineering best practices, including code reviews, testing, CI/… Ensure AI solutions meet security, compliance, and responsible AI standards. Skills & expertise Mid-to-senior AI engineer with 3+ years in data science or software engineering, including substantial AI experience. Strong Python skills and experience with LLM APIs (OpenAI, Anthropic, or similar). Expertise in GenAI frameworks (LangChain ...

. Specific Qualifications Here’s what we’re looking for in applicants for the role: 5-10 years industry experience in a hands-on software engineering role. 2 years+ startup experience. Fluency in one of the following languages: Python, Typescript, Javascript. Experience building systems using a major cloud … provider (GCP preferred, but not required). University degree in a technical discipline, ideally software engineering or computer science. Mobility In short, we’re flexible. While we’re happy to hire someone who’s predominantly remote, but you’ll need to be able to come to our office ...

online. We do this by showing the relevant jobs or candidates to customers that best match their criteria. Overview We are looking for a Software Development Engineer in Test (SDET) to support our product delivery team. Our applications are built using modern service based technologies and architecture to enable … will be fostering an environment of collaboration but also shared accountability, continuous improvement and meaningful learning that extends into the wider Reed Online software engineering team. Key Responsibilities Implementation of automated UI tests of web based applications (Playwright) Implementation of automated API tests ...

focused Data Engineer to join a delivery-driven team building and supporting complex data platforms in Azure. This role is heavily weighted towards Python software engineering rather than traditional ETL-only work. The successful candidate will be someone who writes clean, maintainable, and well-tested Python code … containerised (Docker) environments Integrating Python applications with Azure services such as Azure Functions, Key Vault, and Blob Storage Working closely with DevOps and engineering teams to support CI/CD pipelines Debugging, tuning, and improving Python and Spark workloads in production Following best practices in secure Python development, cloud ...

exceptional Machine Learning Engineers . This fast-growing organisation is transforming mission-critical combat planning and operational decision-making by building next-generation AI software tools for Western forces. Founded in 2023, the company has already secured significant early-stage funding, including a $10m Seed round in 2024. … founding team is composed of ex-Palantir and ex-OpenAI leaders. They combine deep sector knowledge with cutting-edge design and software engineering expertise to deliver state-of-the-art SaaS capabilities leveraging NLP, GenAI, Computer Vision, and Reinforcement Learning technologies. Position location (hybrid) : London (Shoreditch) or Paris ...