76 to 100 of 107 Refactoring Jobs in London

Principal Software Engineer - C#

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
safe to ship.* Communicate technical trade-offs clearly to trading, compliance, infrastructure and middle-office stakeholders; manage risk and escalate honestly.* Identify and drive refactoring toward the target architecture as the platform grows.**Experience/Competences**EssentialExperience:* 10+ years Financial Services building complex front-office trading systems, with demonstrated technical ...

VP & Staff Software Engineer(s)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
network subscriber provisioning (PPPoE credentials, plan attributes) Legacy system (active, being migrated) Next.js application with API routes (the payments module you’ll be refactoring lives here today) Shared Prisma schema with the new platform Active development continues on both repos simultaneously during migration Requirements Non‐negotiable 7+ years of professional ...

Principal Software Engineer - C#

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
generated code safe to ship.Communicate technical trade-offs clearly to trading, compliance, infrastructure and middle-office stakeholders; manage risk and escalate honestly.Identify and drive refactoring toward the target architecture as the platform grows.Experience/CompetencesEssentialExperience:10+ years Financial Services building complex front-office trading systems, with demonstrated technical leadership through ...

Senior Kotlin Engineer (XP, GCP) – Investment Banking – London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
event‐driven architectures Deep familiarity with XP practices, including mob programming as a primary way of working, test‐driven development (TDD), and continuous refactoring and clean code principles Cloud experience with GCP, including GKE and/or Cloud Run, Cloud SQL and Memory store, Artifact Registry and Cloud Logging ...

Senior Lead Software Engineer - AI/ML & Data Platforms

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
governance of approved AI-assisted engineering practices across teams to improve code quality, delivery speed, and operational outcomes (e.g., AI-assisted code review/refactoring, test acceleration, release readiness, incident/root-cause analysis), while establishing measurable validation standards (secure coding, peer review, automated testing) and promoting reuse of proven ...

Senior Software Engineer

Hiring Organisation
Apex Systems
Location
City of London, London, United Kingdom
deployment automation Experience with security at the network edge (DDoS protection, authentication protocols, TLS termination) Demonstrated best-practice software engineering: unit testing, code reviews, refactoring, continuous deployment L5 Expectations Responsibly leverages AI , using it effectively for high productivity without compromising availability or OE burden Owns and delivers medium-complexity features ...

Platform Engineer @ Hnry

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Engineering team release to production multiple times per day. We review each others code, and set aside time for hacking on experimental features, refactoring and/or learning new things. We work hard and finish on time, no crazy hours. Salary banding: £60,000 - £70,000 per annum At Hnry ...

Lead Software Engineer - React (Web)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
authorized AI-assisted engineering practices within the work environment to improve code quality, delivery speed, and operational outcomes (e.g., AI-assisted code review/refactoring, test strategy acceleration, incident/root-cause analysis support), while establishing consistent validation standards (secure coding, peer review, automated testing) and promoting reuse of effective ...

Forward-Deployed Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
deploying production agents using Vercel's AI SDK. You will be equally comfortable leading a technical discovery session with engineering leadership as you are refactoring a complex rendering strategy or optimizing an agentic workflow. Our Forward‐Deployed Engineers operate with high agency and autonomy. You'll navigate ambiguous enterprise environments ...

Developer Engagement Lead - AI Coding Tools - MSDE

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
role: Engage Developers Run demos, workshops, office hours, and enablement sessions Help teams identify practical use cases for AI coding tools across coding, testing, refactoring, documentation, and code review Create reusable examples, patterns, and guidance that accelerate adoption Gather developer feedback and translate it into actionable insights for platform ...

Lead Software Engineer - Proxy/SSE Network Security

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
authorized AI‐assisted engineering practices within the work environment to improve code quality, delivery speed, and operational outcomes (e.g., AI‐assisted code review/refactoring, test strategy acceleration, incident/root‐cause analysis support), while establishing consistent validation standards (secure coding, peer review, automated testing) and promoting reuse of effective ...

Tribe Lead - ( Software) Engineering Centre of Excllence

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
standardizing it as a core competency, measuring the impact on velocity and code quality. Modernize our approach tolegacy systems, using AI to accelerate refactoring and reduce technical debt. Drive the shift from "developer-as-coder" to "developer-as-orchestrator," ensuring our teams effectively leverage agentic AI to manage complex workflows. ...

Lead software engineer in London - 8th Light

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
served Written production-quality code in the following languages: Python, Java, Javascript, and React Leveraged AI-assistive development tools for tasks like scaffolding, refactoring, debugging, test generation, and documentation Company Overview 8th Light is a global team of software professionals specializing in crafting elegant, robust software solutions for complex digital ...

Senior Software Engineer - Finance

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Node.js Owning meaningful technical problems end-to-end Improving large-scale, data-heavy systems Working closely with users and seeing your impact quickly Refactoring and optimizing systems for speed and scale Required Skills/Qualifications Strong Java Scripting Trading exposure Docker Desirable Skills Experience with Docker and containerised environments Understanding ...

Software Engineer (Kotlin / React)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
software engineering principles, including OOP, functional programming concepts, and design patterns. Proven experience working within Extreme Programming (XP) environments, including TDD, Pair Programming, Continuous Refactoring, and Trunk‐Based Development. Proven experience building scalable, maintainable software systems and working with CI/CD pipelines in Agile environments. Deutsche Bank’s values ...

Lead Software Engineer - React (Web)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
authorized AI-assisted engineering practices within the work environment to improve code quality, delivery speed, and operational outcomes (e.g., AI-assisted code review/refactoring, test strategy acceleration, incident/root-cause analysis support), while establishing consistent validation standards (secure coding, peer review, automated testing) and promoting reuse of effective ...

Technical Application Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Technical Consulting Architect) Define application and technical architectures aligned to modern development, integration, and delivery practices. Lead the design of application modernization initiatives, including refactoring, re‐platforming, and cloud enablement. Provide hands‐on technical leadership to engineering teams, guiding design decisions and implementation approaches. Design and review application and integration ...

Mid-Level Ruby on Rails Engineer — Build Scalable Systems

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
continuous deployment, and release to production multiple times per day. We review each others code, and set aside time for hacking on experimental features, refactoring and/or learning new things. We work hard and finish on time, no crazy hours. Salary banding: £55,000 - £62,750 per annum ...

Senior Analytics Solution Architect, UK & Ireland, Amazon Global Sales, AWS

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Glue, Kinesis, QuickSight, OpenSearch). Lead analytics modernisation — guide customers migrating from legacy platforms (Teradata, Oracle, Netezza, Hadoop) to cloud‐native analytics, including ETL refactoring and performance validation. Partner with AWS AGS sales teams — collaborate with Account Managers and Account Solutions Architects to identify analytics opportunities, shape deal strategy ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
C++ — with a focus on performance, reliability, and maintainability Exposure to large‐scale or longitudinal data processing (e.g. volumetric or time‐series datasets) Experience refactoring or migrating software into modern architectures Familiarity with motion control, robotics, or kinematic systems Experience working with or alongside FPGA‐based systems Physical Demands Fine ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
C++ — with a focus on performance, reliability, and maintainability Exposure to large-scale or longitudinal data processing (e.g. volumetric or time-series datasets) Experience refactoring or migrating software into modern architectures Familiarity with motion control, robotics, or kinematic systems Experience working with or alongside FPGA-based systems Physical Demands Fine ...

Senior Test Automation Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
DAST, vulnerability-focused testing, dependency checks, remediation evidence, and linkage of security findings to defects, risks, retesting, and releases. Support legacy system modernisation, replacement, refactoring, and platform consolidation by creating reusable regression packs before major change occurs and by verifying critical processes, integrations, reports, and data outputs before and after ...

Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Great Fit If... You have 3+ years of professional full-stack engineering experience: We’re looking for somebody comfortable with solving hard technical problems, refactoring when needed, and knowing what’s enough and what’s too much to solve a problem. A track record of building high-quality products fast ...

AI Application Architect

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
Introduction Join Avanade’s Global Integrated Center of Excellence (ICOE) as a hands‐on AI Application Architect, helping design intelligent, agentic, cloud‐native applications. You will apply advanced AI techniques to accelerate every phase of ...

Senior Structured Products Quant – Python/C++

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
role demands an MSc or PhD in a STEM subject and at least 6 years of experience in Quantitative Analysis, with additional knowledge in refactoring Fixed Income Data. This full-time position is perfect for highly motivated candidates with strong programming skills in Python and C++. Compensation is competitive, although ...