1 to 25 of 69 Software Engineering Jobs in the City of London

post-quantum security, usable security and human factors, security for AI and AI for security, blockchain and distributed ledger technologies, systems and network security, software and malware security, privacy. Software Engineering, including AI-assisted software development, software architecture and design, formal methods, testing, empirical software engineering, human factors, and software evolution. Computer Architecture, including neuromorphic computing, processor and memory system design, new computer architectures for efficiency and scalability, parallel and multi-core systems, domain-specific accelerators (e.g., for AI, graphics and vision), and quantum computing hardware. Theoretical Computer Science, including algorithms ...

looking for an experienced and talented Software Engineering Manager to lead a Unified Client Experience (UCX) product development team in building market-leading solutions for our clients. About HL and the opportunity. We're building the next generation platform for one of the UK's largest financial services … 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 ...

ensure network security. Implement and manage routing protocols such as BGP and OSPF, with a focus on high-availability designs. Ensure adherence to software engineering best practices, including unit testing, code reviews, and troubleshooting. Support infrastructure-as-code practices using tools like Terraform, Pulumi, and GitOps principles. Contribute … routing protocols (BGP, OSPF) and high-availability architecture. Hands-on experience with Infrastructure-as-Code tools (e.g., Terraform, Pulumi) and GitOps methodologies. Expertise in software engineering practices: unit testing, code reviews, documentation, debugging, and troubleshooting. Comprehensive understanding of technology stacks, from networks to applications. Solid understanding of Linux ...

ensure network security. Implement and manage routing protocols such as BGP and OSPF, with a focus on high-availability designs. Ensure adherence to software engineering best practices, including unit testing, code reviews, and troubleshooting. Support infrastructure-as-code practices using tools like Terraform, Pulumi, and GitOps principles. Contribute … routing protocols (BGP, OSPF) and high-availability architecture. Hands-on experience with Infrastructure-as-Code tools (e.g., Terraform, Pulumi) and GitOps methodologies. Expertise in software engineering practices: unit testing, code reviews, documentation, debugging, and troubleshooting. Comprehensive understanding of technology stacks, from networks to applications. Solid understanding of Linux ...

Software Engineer C++ Developer Automated Machining Strategy (London/Hybrid) Salary bands depending on experience About the Organisation We are a technology-driven company working to modernize precision manufacturing. Our team builds intelligent software that speeds up the creation of CNC machining programs and supports operators in producing … advanced algorithms to streamline the most time-consuming programming steps, helping manufacturing teams increase productivity and consistency across their workflows. We are a growing engineering-led organisation with strong expertise across software development, applied mathematics, and real-world machining. The Opportunity We are expanding a core engineering ...

Software Engineer/Developer (Java AWS React) London/WFH to £80k Are you a technologist looking for an opportunity to be part of something big from the start? You could be progressing your career in an impactful role at a newly established Fintech start … small team of finance and technology entrepreneurs with a hugely successful track record. As a Software Engineer you will join a small team to build systems from the ground up, working across the full technology stack with a focus on designing, developing and deploying cloud-native microservices that form ...

RESTful APIs using Java integrated with banking platforms Develop full-stack features with JavaScript frameworks (Angular) Champion CI/CD, TDD/BDD, and engineering best practices Optimize Java applications for high-volume, high-availability systems What You Need 5+ years experience as a Software Engineer with strong … experience preferred Why Join? Java-focused role powering major banking platforms Scale-up energy with enterprise stability Comprehensive benefits + career development programs within software engineering Are you a Senior Fullstack Engineer with skills across Java and Angular? Apply now to discuss this opportunity in fintech. ...

Strong understanding of machine learning frameworks (TensorFlow, PyTorch, Scikit-learn) Experience with LLM integration (OpenAI, Anthropic, open-source models) Knowledge of RAG architectures, prompt engineering, and vector databases (Pinecone, Weaviate) Experience with MLOps tools and monitoring model performance in production Automation Architecture Deep knowledge of automation tools including GitHub … tools like Appian Workflow orchestration experience (Airflow, Prefect) Ability to build custom automation frameworks using Python or similar languages Full-Stack Development Solid software engineering background with proficiency in Python, JavaScript/TypeScript, Java, or Go Experience with modern frameworks (React, Node.js, Django, FastAPI) Knowledge of microservices architecture ...

Code Required skills and experience for the role of Senior Full Stack Systems Developer include: A UK Degree (or equivalent qualification) in Data Science, Software Engineering, or a similar, relevant field Extensive experience of working in a Full Stack Developer role Considerable experience of developing software products … within the environmental sector Experience of overseeing the Full Software System Lifecycle of a product, demonstrating your commitment to continued development and improvement Demonstrable experience in the use of Java Middleware, API, Docker, and MQ systems Good working knowledge of performance and security in Enterprise Systems Experience of working ...

Clearance Your role You will be a hands-on technical expert helping us deliver projects in a true DevOps manner. You will apply a software engineering mindset to problems, whether that's provisioning services, writing code or writing automation tools and scripts. You will have a lean mindset … performant services that are operationally sound. You will strive to do things better and faster, eliminating waste and applying this across the entire software delivery lifecycle for both internal customers and end users. Your skills and experience What you'll bring: * Experience of Java * Experience of Spring framework ...

Source Code Required skills and experience for the role of Senior Full Stack Systems Developer include: A Degree (or higher qualification) in Software Engineering, Computer Science, or a similar, relevant field Extensive experience of working in a Full Stack Developer role Considerable experience of overseeing the Full Software System Lifecycle of a product Experience of working with software systems/programmes within an environmental setting Demonstrable experience in the use of Java Middleware, API, Docker, and MQ systems Good working knowledge of performance and security in Enterprise Systems Experience of working with networks: LAN & WAN/ ...

About the Company - We are seeking an experienced Interim Head of Engineering for a Financial Services client based in London to lead their geographically dispersed development teams. Utilising Agile and DevOps methodologies, this role requires a strong technical background, exceptional leadership skills, and a passion for collaborating with business … career progression from developer to development management. Deep hands on knowledge of application architectures and the Azure Full Stack Must of come from a software engineering background and remain hands on. Experience leading geographically dispersed teams, including permanent, contract, and outsourced staff. Strong track record of building partnerships ...

role where you'll own the technical direction of a serverless, event-driven, globally distributed platform built on AWS. You'll lead a distributed engineering team, shape high-performance APIs, and build systems that scale hard and run clean. What's On Offer Competitive salary + performance bonus. Meaningful … performant public APIs. Build real-time, distributed systems on AWS (Lambda, DynamoDB, Kinesis, ECS/EKS). Mentor a cross-functional team and elevate engineering standards. Prototype and ship features that drive commercial impact - including mobile apps and PWAs. What You'll Bring Essential: 7+ years in software ...

highly-available multi-cloud payment systems running the latest technology. You will understand current threats, exploitation paths and risk tradeoffs in order to advise engineering teams on beneficial security features as well as prioritise management of defensive controls. Essential You live on the linux command line Your current research … expertise extends to at least one public cloud, including essential security features and long-term security hardening practices You appreciate building systems with good engineering practices and may have a background in software engineering at scale You're open to being a part of an on-call ...

This is the future of HL - and the future of investing. We're building the next generation of platform for one of the UK's largest financial services companies, trusted by over 1.8 million clients ...

opportunities for personal fulfilment and career growth. We currently employ over 600 people across eight sites in the UK, and our specialisations include software engineering, underwater robotics, radars, AI, and armed forces training. What you will be part of Explore a wealth of possibilities. Take on challenges, create … defence capability of several nations. Read more about us here The Role You will be part of Public Safety Solutions (PSS), which develops advanced software applications and solutions for mission critical control room operations including for Police, Fire & Rescue and Airports. As a Systems Engineer you will provide technical ...

London from time to time, please note you must be UK based and have the right to work. About you: You have strong software engineering experience across the full development lifecycle You have expertise with React and Redux You have experience with JavaScript, TypeScript, Node.js and APIs ...

Principal Python Engineer London | Permanent | Hybrid Ncounter is supporting a global investment firm in hiring a Software Developer to help design and evolve internal compute frameworks that underpin their trading and research platforms. This is a high-impact role, working at the intersection of software engineering … practices, improving overall development quality Work across distributed systems, containers, and automation pipelines to deliver scalable solutions What were looking for: 6+ years professional software development experience Strong proficiency in high-performance Python (deep ecosystem knowledge and best practices) Experience with at least one JVM language (Java, Kotlin, Scala ...

Principal Python Engineer London Permanent Hybrid Ncounter is supporting a global investment firm in hiring a Software Developer to help design and evolve internal compute frameworks that underpin their trading and research platforms. This is a high-impact role, working at the intersection of software engineering … improving overall development quality Work across distributed systems, containers, and automation pipelines to deliver scalable solutions What we re looking for: 6+ years professional software development experience Strong proficiency in high-performance Python (deep ecosystem knowledge and best practices) Experience with at least one JVM language (Java, Kotlin, Scala ...

with frontend engineers to deliver seamless user experiences. Integrate web3 technologies via third-party APIs or in-house solutions. Continuously improve infrastructure, monitoring, and engineering processes. Requirements 4+ years of production software engineering experience, ideally at scale. Strong proficiency with TypeScript, Node.js, and AWS. Proven ability ...

capabilities and limitations. As well as a wider understanding of the Microsoft technology stack, including but not limited to Azure and SharePoint. Knowledge of software engineering best practices and limitation with Dynamics 365 FinOps as well as Microsoft Dynamics CRM SDK, X , C#, Visual Studio and Team Foundation ...

technology stack and system architecture What You'll Bring: Advanced Python skills Strong academic background - STEM degree from a top university Deep understanding of software engineering principles and best practices Independent thinker who thrives in fast-paced, intellectually demanding environments This is your opportunity to join a fund ...

Front Office pricing and risk, and we can look at any front office Java developers Role details Role title: Senior Java developer/Java software engineer Employer: investment bank Front Office banking: Platform pricing and risk Location: London City (Liverpool Street station) and home working hybrid 50%/ ...

SeniorGolangSoftwareEngineer-AIScale-up-VoiceAI(Permanent-flexiblesalary) SeniorGolangSoftwareEngineerisnowrequiredbyanInnovativeAIscaleuptobuildthestrategicarchitectureplatformfortheirAIproductoffering Thisrolewillberesponsibleforbuildingastableandreplicablearchitecturefortheircoreapplication,focusingontheirAItoolsinlineforproductlaunch. KeyResponsibilities: Leadthedevelopmentofarchitectureplatform. DocumentAPIusage,technicalspecificationsandarchitecturedecisions. Implementtheuserinterfacefortheentirecustomer/applicationjourney. Implementsecureon-devicestorageforsensitivedata. Collaboratewithback-endengineerstosuccessfullyintegrateRESTfulAPIsfordatacollectionandAIservices. KeyRequirements: StrongSeniorSoftwareEngineerexperience ExceptionalGo/Golangskills Experienceworkingacrosslow-latencyandzerotrustplatforms Experienceacrossmorethan1cloudplatform(AWS,AzureandGCP),anddesigningmicroservicearchitecturesonthoseplatforms Proventrackrecorddesigningsystemsthatintegratemultiple3rdpartyAPI's Educatedtodegreelevelorequivalentexperience Thisisapermanentopportunitywithaflexiblebasicsalarydependingonexperienceandexpertise.ThecompanyislookingtohirethebestGo ...

strategic role that demands deep expertise in solution architecture, with a strong emphasis on data, integration, and application design. You'll collaborate across engineering, product, and business teams to ensure technology solutions are robust, scalable, and aligned with long-term goals. Can you demonstrate where you have - Designed … designing service-oriented and message-oriented integrations Hands-on experience with scalable consumer-facing platforms and subscription/payment systems Deep understanding of software engineering principles, agile methodologies, and architecture modelling (UML, logical/physical/data models) Excellent communication skills with the ability to influence stakeholders ...