301 to 325 of 492 Performance Optimisation Jobs in London

Backend Software Engineer - Distributed Systems

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
platform that underpins the company's real-time infrastructure. Working on highly scalable distributed systems, you'll design and build new platform capabilities, improve performance and reliability and solve complex engineering problems at scale. You'll contribute across low latency messaging, Pub/Sub services, state synchronisation and next … modern server-side language You have experience building or operating distributed systems, messaging platforms, event-driven architectures or streaming technologies You understand scalability, concurrency, performance optimisation and fault tolerant system design You enjoy solving complex technical challenges and delivering high quality, production ready software You're comfortable working ...

Research Engineer - Generative AI & Diffusion Models

Location
Greater London, England, United Kingdom
work on large-scale experiments and collaborate with universities and institutes globally to accelerate AI innovation. Responsibilities include prototyping, dataset curation, model training, and performance optimization across generative media and multimodal understanding, with a strong emphasis on safe, ethical AI development. #J-18808-Ljbffr ...

Platform Systems Engineer: Scalable AI Infra & Observability

Location
Greater London, England, United Kingdom
failure detection systems, improving observability, and collaborating with various teams to ensure the platform's reliability. Ideal candidates should have experience in distributed systems, performance optimization, and debugging complex issues. Join us in shaping the future of AI technology with state-of-the-art engineering solutions. #J-18808-Ljbffr ...

EMEA Publisher Growth Lead – Account Management

Location
Greater London, England, United Kingdom
Publisher Account Manager to drive revenue growth with strategic mobile app publishers across Europe. You will own the full client lifecycle, from onboarding to performance optimization and retention, and shape partnerships with key stakeholders. Ideal candidates have 5+ years in ad tech, strong relationship skills, and fluency in English. ...

Lead Front-End Engineer - React Native for Mobile Banking

Location
Greater London, England, United Kingdom
will mentor junior developers, collaborate with cross-functional squads, and ensure a robust, scalable UI with a strong design system, responsive UX, and performance optimizations for web and mobile. #J-18808-Ljbffr ...

Software Engineer, TPU Compiler, PhD, Early Careers

Location
London, United Kingdom
compiler which scales-out machine learning models across accelerators like TPU/Graphics Processing Unit (GPU) at Google and Cloud. Design and implement performance optimizations and critical features, which increase the velocity of important production teams. Apply AI to the development of the Compiler and to the Compiler itself. ...

Software Engineer, TPU Compiler, PhD, Early Careers

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
compiler which scales-out machine learning models across accelerators like TPU/Graphics Processing Unit (GPU) at Google and Cloud. Design and implement performance optimizations and critical features, which increase the velocity of important production teams. Apply AI to the development of the Compiler and to the Compiler itself. ...

Software Engineer, International

Location
Greater London, England, United Kingdom
taking ambiguous requirements and building reliable, maintainable solutions Experience working in fast-moving environments with high ambiguity and independent ownership Comfort with distributed systems, performance optimization, and production reliability Strong cross-functional collaboration skills Nice to Have Experience in fintech, payments, or capital markets (international payment rails, FX, multi ...

Director, Engineering - Partnerships

Location
Greater London, England, United Kingdom
working with external partners, enterprise customers, sales, business development, security, legal, or revenue operations. Strong background in data-driven decision making, metrics definition, and performance optimization for high-scale enterprise platforms. Experience with API lifecycle management, OAuth/SSO, developer portals, certification, SDKs, event-driven systems, observability, or partner ...

Business Consultant - Databricks

Hiring Organisation
NTT DATA
Location
London, UK
Employment Type
Full-time
United Kingdom (GB).Key Responsibilities Design, optimize, and maintain scalable Databricks pipelines (ETL, streaming, ML workflows). Perform cluster and job performance tuning: optimize cluster sizing, caching, partitioning, and shuffle management. Monitor Spark job metrics, analyze logs, and identify bottlenecks in data throughput or latency. Implement cost-optimization strategies … autoscaling and job consolidation. Ensure efficient scheduling and orchestration of jobs using Databricks Workflows Collaborate with data scientists and platform teams to improve query performance on Delta Lake. Develop automated monitoring and alerting mechanisms using Databricks REST APIs, Prometheus, or Azure Monitor. Maintain best practices for data engineering performance ...

Backend Developer - AWS/Typescript/Serverless Architecture/AWS Lambda

Location
Greater London, England, United Kingdom
code reviews and architectural decision-making. Develop automated tests and contribute to continuous integration and continuous delivery processes. Investigate and resolve technical issues, defects, performance problems and production incidents. Consider security, accessibility, privacy, resilience, scalability and performance throughout the development lifecycle. Contribute to technical documentation and knowledge sharing … development workflows. Understanding of software engineering principles including clean code, modularity, maintainability, version control and appropriate design patterns. Experience diagnosing and resolving application defects, performance issues and production problems. AWS and Serverless Development Candidates should have a good understanding of: AWS Lambda and serverless application development. Designing applications using ...

Platform Engineer

Location
Greater London, England, United Kingdom
solutions. The Platform Engineer partners with the Analytics product engineering team to design, build and operate platform capabilities that enable our market leading high-performance, distributed computing products to run reliably, securely and efficiently at scale. This includes infrastructure automation, runtime orchestration, CI/CD enablement, observability and performance … pipelines supporting distributed systems and shared components. Implement observability through logging, metrics and alerting, improving platform reliability and debuggability. Monitor and optimise system performance, throughput and resource utilisation. Ensure platform security, access control and compliance with internal standards. Own and maintain operational documentation, runbooks and support procedures to ensure ...

Senior Full Stack Engineer - Vialto Rewards - Senior Manager

Hiring Organisation
Vialto Partners
Location
London, UK
Employment Type
Full-time
outcomes. TasksBuild and evolve modern web experiences for Compensation Collection, Shadow Payroll, and Equity products using Next.js, React, and TypeScript with a focus on performance, reliability, and clarity for tax, payroll, and mobility operators. Design and implement backend services and APIs using C#, .NET, and WebAPI to support compensation … compensation, equity, HR, finance, or tax domains. Strong experience designing and building large JavaScript applications with Next.js and/or React (TypeScript, state management, performance optimization). Strong backend development experience in C# and .NET (ASP.NET, WebAPI, MVC) including API design and service patterns for high-integrity calculation ...

Senior Full Stack Engineer - Team Web

Hiring Organisation
Intercom
Location
London, UK
Employment Type
Full-time
experiences across web and mobile. Develop backend logic and APIs, manage data flows, and implement systems that integrate with third-party platforms. Optimize website performance by applying best practices in front-end development, including lazy loading, and efficient asset management. Set up and manage infrastructure using tools like Vercel … CloudFront, S3, etc.).Experience with A/B testing and familiarity with analytics tools to drive data-informed design and development decisions. Knowledge of performance optimization techniques and best practices for fast-loading, responsive websites. Experience in writing tests for front-end components, with familiarity in testing frameworks (e.g. ...

Digital Marketing Data Executive

Location
Greater London, England, United Kingdom
measurable business results. We cover all aspects of digital marketing, from brand awareness and content creation to marketing automation, digital channels, user engagement, and performance optimisation. As digital innovation continues to reshape how people interact with brands, data and AI is a key part of everything we do. … measurable business results. We cover all aspects of digital marketing, from brand awareness and content creation to marketing automation, digital channels, user engagement, and performance optimisation. As digital innovation continues to reshape how people interact with brands, data and AI is a key part of everything we do. ...

Sales Manager

Location
Greater London, England, United Kingdom
volumes of weekly meetings and client entertainment Achieve quarterly and annual targets with accurate pipeline forecasting Liaise with Account Managers on campaign delivery and performance optimisation Operate across both managed service and programmatic campaigns What you'll bring Strong track record in Advertising Sales, ideally with digital display ...

Staff Frontend Engineer: Data-Driven UI & Dashboards

Location
Greater London, England, United Kingdom
frontend of the Physical AI platform, shaping large-scale, data-heavy UIs for engineering workflows. You will lead architecture, design system evolution, and performance optimizations while collaborating with Design, Product, and Backend teams. You will mentor engineers, enhance testing standards, and drive frontend delivery across complex experiments and dashboards ...

Software Engineer - London (Office-First) | Build Impact

Location
City of Westminster, England, United Kingdom
engineers to translate requirements into practical solutions, communicate progress and trade-offs, and contribute to architectural discussions. The role emphasizes code quality, reviews, and performance optimization in a hybrid office setup. The successful candidate will have experience with distributed systems, modern stacks (Rust, #J-18808-Ljbffr ...

SAP ABAP (RAP)

Location
Greater London, England, United Kingdom
Knowledge with Enhancements: BADI, User Exits, Customer Exits and Enhancement Spots. Good understanding of SAP’s clean core architecture and approach Sound knowledge in performance optimization and SAP best practices in ABAP area Clean Core Extension knowledge Experience/knowledge in Professional Services development SAP Build Knowledge Developing experience ...

Product Engineering - Team Lead

Location
Greater London, England, United Kingdom
will work closely with engineers, designers, core developers, and stakeholders across the business to define, build, and ship a secure, scalable, and high‐performance trading platform. What you will work on Define and own the technical architecture for Wintermute’s trading products, client‐facing portals, and internal applications — making … system architecture: APIs, microservices, event‐driven architectures, WebSockets, message queues, databases, and how frontend and backend systems work together in high‐performance environments. Experience with infrastructure and DevOps fundamentals: CI/CD, cloud platforms, CDN, monitoring/observability, and deployment strategies. Strong understanding of security best practices (OWASP, authentication ...

Product Engineering - Team Lead

Location
Greater London, England, United Kingdom
have significant autonomy to shape how we build, what technologies we adopt, and how we scale our systems to handle the data volumes and performance demands of a world‐class trading operation. You'll lead a team of talented engineers while staying deeply hands‐on with the codebase. What … system architecture: APIs, microservices, event‐driven architectures, WebSockets, message queues, databases, and how frontend and backend systems work together in high‐performance environments. Experience with infrastructure and DevOps fundamentals: CI/CD, cloud platforms, CDN, monitoring/observability, and deployment strategies. Strong understanding of security best practices (OWASP, authentication ...

Senior Data Engineer

Location
Greater London, England, United Kingdom
drive growth in a platform-powered world. It is present in over100 countries with over 23,000 employees worldwide. Overview Performics is the Performance Centre of Excellence within Publicis Groupe, delivering AI-powered, data-driven marketing solutions for global brands. Our flagship platform, OneSuite, unifies automation, orchestration, and intelligent … data systems to transform how performance marketing operates across Search, Social, Programmatic, and Commerce channels. At the heart of this ecosystem is the Data Foundation Platform (DFP) — the unified data layer that powers OneSuite’s analytics, AI orchestration, and decisioning capabilities. DFP ingests, transforms, and standardizes data from 20+ ...

Senior Appian Development Consultant

Hiring Organisation
Valtech
Location
London, UK
Employment Type
Full-time
code technology, workflow automation and intelligent digital solutions. Our capability spans the full transformation lifecycle; from discovery and solution design through to implementation, optimisation and continuous improvement. We work across sectors including financial services, retail, healthcare, automotive, media and the public sector, delivering enterprise platforms that simplify complex business … demonstrations and continuous improvement initiatives. You will also play an important role in maintaining delivery quality through technical reviews, unit testing, deployment management and performance optimisation. As technology continues to evolve, you'll remain curious and committed to continuous learning; embracing new Appian capabilities and identifying opportunities to improve ...

Databricks Solution Engineer

Location
Greater London, England, United Kingdom
artificial intelligence initiatives Partner with business stakeholders and technical teams to translate requirements into cost‐effective and scalable solutions Implement best practices for performance optimization, security, data quality, compliance, and governance Support integration of enterprise platforms including Salesforce, Microsoft Power BI, Snowflake, Microsoft Fabric, and other business applications Contribute … platform standards through automation, continuous integration and continuous delivery practices, and DevOps initiatives Monitor, troubleshoot, and enhance solution performance to ensure reliability, scalability, and operational excellence About the Team Our Data and Analytics team is responsible for delivering trusted, scalable, and innovative data solutions that enable informed decision‐making ...

Databricks Solution Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
artificial intelligence initiatives Partner with business stakeholders and technical teams to translate requirements into cost-effective and scalable solutions Implement best practices for performance optimization, security, data quality, compliance, and governance Support integration of enterprise platforms including Salesforce, Microsoft Power BI, Snowflake, Microsoft Fabric, and other business applications Contribute … platform standards through automation, continuous integration and continuous delivery practices, and DevOps initiatives Monitor, troubleshoot, and enhance solution performance to ensure reliability, scalability, and operational excellence About the Team Our Data and Analytics team is responsible for delivering trusted, scalable, and innovative data solutions that enable informed decision-making ...