26 to 50 of 50 Performance Optimisation Jobs in Central London

Data Bricks Product Owner, Microsoft Fabric Product Owner, Part Remote

Hiring Organisation
Carrington Recruitment Solutions Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Fabric etc) before moving into Product Ownership Technical proficiency:Familiarity with Azure services (e.g., Data Lake, Synapse, Fabric) and Databricks for data engineering, analytics, performance optimisation, and governance Development Framework experience within Microsoft Stack Technologies Experience with implementing and optimising scalable cloud infrastructure is highly valued Backlog management ...

Kong API Integration Architect

Hiring Organisation
DCV Technologies Limited
Location
Central London, London, United Kingdom
Employment Type
Contract
Collaboration: Work closely with cross-functional teams, including developers, business analysts, and vendors, to gather requirements and define API specifications. Troubleshooting & Support: Monitor API performance, troubleshoot integration issues promptly, and provide technical support to development teams and clients. Documentation: Create and maintain comprehensive documentation, including API specifications, integration guides … data mappings. Performance Optimization: Optimize existing API connections for performance, reliability, and scalability. Security & Compliance: Ensure API security and compliance with industry standards and regulatory controls (e.g., NIST 800-53 in federal contexts). Required Skills and Qualifications Experience: Proven experience in API development, integration, system architecture ...

Senior Data Engineer

Hiring Organisation
Searchability NS&D
Location
City of London, London, United Kingdom
with core data engineering tools and technologies (e.g. ETL/ELT pipelines, data warehouses, orchestration tools) Strong understanding of data modelling, data quality, and performance optimisation Desirable Experience Experience with Palantir (Foundry, Gotham) Willingness and aptitude to learn Palantir technologies on the job Background working in defence, government ...

Software Engineer x 3

Hiring Organisation
Neulinx
Location
City of London, London, United Kingdom
application and SDK • Collaborate closely with product and design from idea through to release • Own features end-to-end, including architecture decisions • Contribute to performance optimisation and developer experience • Work in a high-agency, experimental environment where engineering quality matters This is not a delivery-only environment. Engineers … product and technical direction. They’re looking for software engineers who: • Have strong hands-on React and TypeScript experience • Care deeply about frontend craft, performance and detail • Are comfortable working in ambiguity and high-ownership environments • Have shipped meaningful features in startup or product-led teams • Can contribute ...

Rust/ C++ Quantitative Developer (HFT)

Hiring Organisation
Venture Search
Location
City of London, London, United Kingdom
Debugging : Maintain real-time trading systems and resolve operational issues efficiently. Qualifications Strong programming capabilities with a focus on low-level development and performance optimization Minimum 2 years of experience developing HFT or trading systems Deep understanding of trading infrastructure, including order books and order state machines Proficiency ...

Artificial Intelligence Specialist

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
logging Responsible AI practices: evaluation, content moderation, privacy, and compliance-by-design Architecture & Systems Skills (Must Have) Distributed system design: scalability, fault tolerance, caching, performance tuning Observability: logging/metrics/tracing, prompt/version tracking, monitoring SLIs/SLOs Cost management and performance optimization: model selection/ ...

Product Engineer (Backend)

Hiring Organisation
Granola
Location
City of London, London, United Kingdom
evolution and scaling of our backend infrastructure Design and implement performant APIs and services Build infrastructure to support cutting-edge AI capabilities Optimise database performance and query efficiency Continuously improve reliability and observability through enhanced monitoring and alerting Collaborate cross-functionally to ensure our infrastructure supports continuous product innovation … using Terraform) Deep knowledge of relational databases (we use PostgreSQL) Familiarity with serverless architectures (we love lambdas!) Solid understanding of security best practices and performance optimisation As a person, you... Are first and foremost a builder Are excited to work in-person from our office in London (most ...

Full Stack Developer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £72000/annum
Full Stack Delivery: End-to-end design, development, and deployment of scalable web applications. System Architecture: Application of complex architecture patterns to support high-performance server-side logic. UI Development: Construction of responsive interfaces and layouts using modern JavaScript frameworks. API & Microservices: Development of RESTful services utilizing the Java … Boot ecosystem. Data Management: Design and maintenance of SQL/NoSQL databases and ORM integration. Quality Control: Execution of unit testing, code reviews, and performance optimization to ensure high standards. Essential Skills Core Languages: Advanced proficiency in Java, JavaScript, HTML, and CSS. Back-End: Extensive experience with Java, Spring ...

Senior Java Developer - Low Latency

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
development, testing, and maintenance of low-latency Java applications. - Collaborate with cross-functional teams to gather requirements and design system architecture. - Optimize application performance and troubleshoot latency issues. - Mentor junior developers and ensure adherence to best coding practices. - Participate in code reviews and provide constructive feedback. - Stay updated with … Science, Engineering, or a related field. - Proven experience in Java development, with a focus on low-latency systems. - Strong understanding of multithreading, concurrency, and performance optimization. - Experience with frameworks and libraries such as Spring, Hibernate, and Netty. - Familiarity with distributed systems and network protocols. - Excellent problem-solving skills ...

Partnerships Development Manager

Hiring Organisation
How Ya Doing
Location
City of London, London, United Kingdom
Open Banking space. They move away from the "one-size-fits-all" approach of larger providers, focusing instead on high-performance, tailored infrastructure for scaling businesses. Senior Partnership Development Manager - Fintech/Payments (Recurring Commerce) We are hiring an experienced Senior Partnership Development Manager to lead growth within … long-term enablement. Product Influence: Serve as the bridge between partners and internal product teams to help guide the roadmap for the digital economy. Performance Optimisation: Run high-level QBRs to identify cross-sell opportunities and improve partner performance. Your Required Experience A track record in Partnership Development ...

Sales Director

Hiring Organisation
Tria
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£110000 - £120000/annum + Commission
based infrastructure used by media companies to deliver live and on-demand video at scale , helping operators reduce delivery costs while improving reliability and performance across their streaming services. Having already secured customers across multiple European markets, the business is now investing in building a presence … media companies, or digital video platforms A track record of closing enterprise deals involving technical stakeholders Confidence discussing topics such as streaming architecture, scalability, performance optimisation, and video delivery Motivation to build a territory rather than step into an established sales patch ...

Databricks Architect

Hiring Organisation
Tredence Inc
Location
City of London, London, United Kingdom
Lakehouse architecture, big data engineering, cloud ecosystems, and enterprise data strategy. The ideal candidate will partner with business and technology leaders to deliver high-performance data systems that support analytics, AI/ML, and real-time insights. Key Responsibilities Architecture & Solution Design Architect end-to-end Databricks Lakehouse solutions … including data ingestion, ETL/ELT pipelines, Delta Lake, data warehousing, and data governance frameworks. Define and enforce best practices, security standards, and performance optimization across Databricks workloads. Design scalable big data architectures leveraging Spark, Delta Live Tables, Unity Catalog , and MLflow. Lead cloud architecture design on Azure/ ...

Principal Software Engineer

Hiring Organisation
Verifone
Location
City of London, London, United Kingdom
governance of RESTful APIs, JSON, and HTTP standards API versioning and backward‐compatibility strategies MongoDB/NoSQL expertise, including: Data modeling Indexing strategies Performance optimization Advanced experience with Java concurrency, streams, and performance tuning Cloud & Infrastructure AWS services including EC2, ECS/EKS, S3, RDS and/… working in Agile/Scrum environments and influencing engineering best practices Experience Level Principal‐level backend engineering experience building and operating large‐scale, high‐performance systems Approximately 8+ years of backend development experience, with several years working on production Java and Spring Boot services Proven experience owning architecture ...

Data Engineering Lead

Hiring Organisation
Novatus Global
Location
City of London, London, United Kingdom
Ensure pipelines are auditable, lineage-aware, idempotent, and resilient in regulated environments. Implement robust data quality controls including testing, validation, monitoring, and alerting. Drive performance optimization across Spark and Snowflake workloads. Partner with Product, Engineering, DevOps, and Regulatory teams to translate requirements into scalable technical designs. Improve engineering standards … your partner, and your child(ren) Employee Assistance Program Enhanced parental leave (maternity & paternity) Professional qualification sponsorship Accelerated career progression based on performance, not tenure Holiday entitlement increases with tenure Flexible hours with core collaboration time Paid volunteering leave Gym & fitness discounts Quarterly socials, and office snacks & drinks Interest ...

Frontend React Developer

Hiring Organisation
Explore Group
Location
City of London, London, United Kingdom
React , TypeScript , and Next.js . You’ll work across the full front‐end life cycle — from architecture and design collaboration, through to deployment and optimisation — delivering robust, performant, and accessible user interfaces. You’ll join a highly collaborative team where your voice will matter, and your work will … Build and maintain modern web applications using React , TypeScript , and Next.js . Translate UI/UX designs into responsive, accessible and high‐performance user interfaces. Collaborate strategically with backend engineers, product owners and designers to deliver end‐to‐end solutions. Write clean, tested, maintainable code and set best‐practice ...

Quant Developer / Data Scientist

Hiring Organisation
Marlin Selection
Location
Central London, London, United Kingdom
Employment Type
Permanent
Quant Developer/Data Scientist Location: Flexible (Major Financial Hubs) Experience: 25 Years Compensation: Competitive + Performance-Based Bonus A leading asset management firm is seeking a highly talented Quant Developer/Data Scientist to join its systematic and discretionary investment teams. This is a front-office, high-impact … analytics tools. Work closely with PMs and Quants to translate research ideas into production-grade models and code . Build and maintain high-performance C++ and Python components used for modelling, simulation, and live trading. Design scalable Linux-based data and compute architectures , including feature engineering and large dataset ...

SPLUNK Enterprise and ITSI Expert

Hiring Organisation
Synechron
Location
City of London, London, United Kingdom
expertise in Splunk Enterprise, ITSI, and Kubernetes/OpenShift observability. The ideal candidate will build scalable monitoring solutions, drive service health insights, and optimize performance across hybrid cloud environments. Key Responsibilities Splunk Architecture & Operations Design, deploy, and manage Splunk Enterprise and ITSI for hybrid Kubernetes/OpenShift environments. Onboard …/etcd), node readiness, pod restart trends Network/storage errors, quota usage, bursting patterns Capacity metrics and noisy‐neighbor detection Search & Platform Performance Tune Splunk search performance, workload rules, concurrency, DMA, summary indexing, and scheduling hygiene. Alerting & Integrations Implement alerting, enrichment, routing to ITSM/ChatOps, suppression ...

Senior/Lead Frontend Developer - Angular

Hiring Organisation
TalentHawk
Location
City of London, London, United Kingdom
reactive state management, and real-time data handling (WebSockets/SSE) using TypeScript . Technical Design: Lead framework decisions and navigate trade-offs between performance, UX, and maintainability. Engineering Excellence: Drive standards through rigorous code reviews, unit/E2E testing, and performance profiling. Fintech Focus: Ensure all interfaces … consuming RESTful/event-driven APIs and managing complex, real-time data states (RxJS/NgRx). Quality: Strong advocate for WCAG accessibility, performance optimization, and robust testing (Jest, Cypress). ...

Senior Software Engineer, Ruby

Hiring Organisation
The Electric Car Scheme
Location
City of London, London, United Kingdom
decisions within the team, ensuring solutions are scalable, maintainable, and align with long-term strategic goals. Champion best practices in areas like system design, performance, security, and operational excellence. About you: 5+ years of professional experience building web applications using Ruby, Rails, React, and TypeScript. Strong backend development skills … lead technical initiatives from concept to completion, often involving multiple team members or complex integrations. Well versed in production operations, incident response, and performance optimisation. You proactively identify and mitigate risks to ensure system stability and scalability. Benefits: Hybrid working: Split your week between home and the office, with ...

Senior Python Developer – Market Risk (Front Office / FRTB)

Hiring Organisation
Crisil
Location
City of London, London, United Kingdom
technology team supporting Market Risk and regulatory initiatives, including FRTB (Fundamental Review of the Trading Book). The role involves designing and delivering high-performance risk analytics, integrating trading data, and building scalable Python solutions used directly by traders, quants, and risk managers. Key Responsibilities Develop and maintain Python … risk teams to translate business requirements into robust technical solutions. Integrate trading, pricing, and market data into risk systems and analytics platforms. Optimize performance for large-scale risk calculations and data processing. Contribute to system architecture, code quality, and best practices across the development team. Required Skills & Experience Strong ...

CRM Technology Manager (Braze Specialist)

Hiring Organisation
Aquent
Location
City of London, London, United Kingdom
take root-cause ownership— not just advise. Reporting & Team Context You’ll be part of a close-knit Martech team supporting CRM and Performance Marketing capability. Senior CRM Managers will rely on you to unlock Braze’s full potential. Data Engineering partners with you on CRM data models … triggered messaging across web and nativeapp environments. Ensure identity resolution, consent handling, and schema alignment are robustand future-proof. Advanced Braze Build & Optimisation Design and optimise complex Canvas journeys across markets. CRM Technology Manager (Braze Specialist) V2 2 Build scalable, reusable HTML/CSS/Liquid templates. Leverage advanced ...

Senior Mobile Engineer (React Native + Android)

Hiring Organisation
Transreport
Location
City of London, London, United Kingdom
will: Deliver a phased migration roadmap from monolithic native Android to React Native. Reduce platform risk while increasing cross-platform feature parity. Introduce measurable performance improvements in mobile stability and delivery velocity. Influence long-term mobile architecture decisions across the organisation. Responsibilities Architect & Build - Design and ship … Android app and rebuild functionality in React Native without disrupting current operations. Bridge Native & Cross-Platform - Write native modules where necessary and ensure high-performance interop between Kotlin and JavaScript/TypeScript using the React Native Bridge and JSI. Cross-Team Alignment - Work closely with the Swift/ ...

Digital Ad Operations Specialist - Contractor

Hiring Organisation
Palo Alto Networks
Location
City of London, London, United Kingdom
Your Impact Campaign Execution & Traffic Management: Meticulously build and launch campaigns, ad sets, and individual ads across key channels. Manage the technical pipeline of performance marketing initiatives, contributing directly to the growth of a sophisticated e-commerce business. Oversee audience targeting integration, manage audience match rates across platforms … Server, DSPs, and publisher reporting systems. Be able to resolve complex ad-serving, tracking, and reporting issues with internal teams and external partners. Performance Optimization & Reporting: Monitor and optimize campaigns to ensure they run without issue, managing budget pacing to avoid under/over spend, and hit campaign KPIs ...

Advisory Engineer

Hiring Organisation
WorkGenius Group
Location
City of London, London, United Kingdom
operational excellence. Build Observability Infrastructure Architect tracing, logging, and monitoring systems for agent behavior at scale. Develop dashboards, metrics, and alerting pipelines. Enable continuous performance evaluation and optimization. Mentor and Grow the Team Lead architectural decision-making within the squad. Conduct code reviews and establish engineering best practices. Mentor … strategy. Identify technical risks and drive reliability and velocity improvements. Influence technical direction beyond the immediate team. Core Skills Expert-level Python (async programming, performance optimization, SDK/library design). Deep understanding of agentic frameworks (LangChain, LangGraph, LlamaIndex, AutoGen or similar), including internal mechanics. Proven experience shipping production ...

ServiceNow Admin

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Change Management, Service Catalog, and Knowledge Management. Administer user access, roles, and permissions within the ServiceNow environment. Develop and manage ServiceNow reports, dashboards, and performance analytics to track system usage and optimize performance. Execute regular system maintenance duties such as patching, upgrades, and performance optimization. Deliver comprehensive user … expect: Salary - £25,000 - £30,000 28 days holiday Company sick pay scheme Pension match contribution Life insurance policies Great development opportunities to progress Performance based annual Christmas bonus Pay rise consideration at end of year ...