1 to 25 of 35 Performance Optimisation Jobs in the City of London

Client Technical Solutions Lead, PathWise

Location
City Of London, England, United Kingdom
identify when a specialist should be engaged. Platform and infrastructure guidance: Support discussions involving deployment architecture, cloud and on-premises environments, GPUs, high-performance computing, performance, scalability, security, configuration and operational readiness. Partner with infrastructure and engineering specialists where deeper analysis is needed. Solution building and proofs … teams to deliver product demonstrations, technical presentations and solution workshops. Respond credibly to detailed questions from actuaries, quantitative analysts, technology leaders and other stakeholders. Performance optimisation: Analyse client implementations and guide the refactoring and optimisation of models and workflows to take advantage of PathWise performance, including ...

Senior Software Engineer (Java)

Location
City Of London, England, United Kingdom
optimising mission‐critical trading services across multiple asset classes. Role Responsibilities Design and implement distributed, fault‐tolerant Java services for electronic trading environments Lead performance tuning, optimisation, and refactoring of low‐latency trading components Investigate and resolve production issues, ensuring system stability and high availability Collaborate with global … Architecture, DevOps, and Product Mentor and guide engineers to improve technical capability and engineering standards Experience/Competences Strong experience designing and building high‐performance, low‐latency Java services within electronic trading Strong experience with distributed messaging technologies (Solace/Kafka) and real‐time systems Strong experience designing ...

Senior Software Developer

Hiring Organisation
Spectrum IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£120000 - £150000/annum
direction of the systems they build. You will work on a combination of greenfield development and the continuous improvement of established platforms, building high-performance, reliable and scalable applications that directly support real-world trading strategies and quantitative research. As a senior member of the engineering team, you will … have the opportunity to influence technical architecture, development standards, performance optimisation and engineering best practices, while working closely with researchers, traders and other technical specialists. Key Responsibilities Design, develop and maintain high-performance applications using C# and modern .NET Take ownership of significant software development projects from ...

Head of DevOps and Platform Automation

Hiring Organisation
VIQU IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
driving DevOps maturity, CI/CD excellence, and automation strategy across multi-tenant cloud platforms, while leading geographically dispersed teams and ensuring robust operational performance, governance, and continuous improvement. Key Responsibilities of the Head of DevOps and Platform Automation: Own and evolve the DevOps, CI/CD and automation … improvement and engineering excellence Oversee end-to-end platform lifecycle management ensuring availability, resilience, security and compliance across all tooling environments Drive standardisation and optimisation of CI/CD pipelines, automation frameworks and DevOps practices across the organisation Manage BAU performance, incident escalation and service reliability for critical ...

Software Engineering Lead - Data Technology Platforrms

Location
City Of London, England, United Kingdom
About Schroders Schroders is a global investment manager which provides active asset management, wealth management and investment solutions. We aim to provide excellent investment performance to clients through active management. We serve a diverse client base that includes pension schemes, insurance companies, sovereign wealth funds, endowments, foundations, high … Azure, including cloud-native application development, data services, security, monitoring and integration capabilities. Proven experience using Snowflake as a data platform, including data modelling, performance optimisation, security, ingestion and transformation patterns. Design and implement scalable, secure and reliable data pipelines and integration services across client, CRM and enterprise ...

Senior Software Engineer

Location
City Of London, England, United Kingdom
endpoints using NodeJS and Express, including detailed API documentation. Database Management: Design, optimize, and maintain complex SQL data models, ensuring efficient data structures, query performance, and reliability. Full‐Stack Development: Develop responsive and performant front‐end applications using ReactJS, focusing on UX/UI best practices. Integration & Automation: Architect … development teams and managing large‐scale projects. Database Expertise: In‐depth experience with PostgreSQL/SQL, including design of complex schemas, writing queries and performance optimisation. Security & Performance: Deep understanding of application security best practices, performance tuning, and scalable architecture. Problem‐Solving: Ability to troubleshoot complex technical ...

Integration Developer - Technical Lead

Hiring Organisation
MORGAN PHILIPS UK LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
development using modern .NET, cloud, and database technologies Influence and shape cloud-based integration modernisation (Azure preferred) Troubleshoot complex integration issues, ensuring performance, reliability, and data quality Support documentation, standards, and governance for integration patterns Play a key role in solution design for business and digital transformation initiatives … integration technologies Experience designing and delivering integrations using RESTful services, messaging, or service bus patterns Solid understanding of SQL Server, T-SQL, and database performance optimisation Experience working with Azure (Functions, Service Bus, Logic Apps, AKS, or related services) Hands-on experience with CI/CD pipelines, DevOps ...

Senior Engineer - LMEsmart

Location
City Of London, England, United Kingdom
role is to engineer resilient Inter-Office integrations and workflows that automate recovery, streamline price-band governance, and surface real-time matching performance—reducing manual effort, improving compliance, and strengthening Inter-Office market oversight. Develop the automation of test tooling and framework development for the Inter-Office Trading platform … Required Knowledge and Level of Experience: Degree in Computer Science, IT or related disciplines. 5+ years’ experience in software development with Java (JVM), including performance optimisation and profiling. Deep understanding of cloud infrastructures, usage patterns, across at least one major cloud vendor. Knowledge of off-heap data structures ...

MLOps Engineer

Location
City Of London, England, United Kingdom
manage AI platforms and agent infrastructure Build and maintain CI/CD pipelines and DevOps workflows Implement observability, monitoring, and logging solutions Optimise performance, scalability, and cost efficiency Support AI teams with infrastructure, deployment, and integration Ensure platform security, compliance, and high availability Automate infrastructure using Infrastructure as Code … practices Experience with Kubernetes/containerisation technologies Strong programming skills (e.g. Python, Go, Node.js) Experience with observability tools (e.g. OpenTelemetry, Datadog) Understanding of security, performance optimisation, and scalability Desirable Skills Experience working on AI/ML platforms or deployments Exposure to large-scale distributed systems AWS certifications #J ...

MLOps Engineer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
manage AI platforms and agent infrastructure - Build and maintain CI/CD pipelines and DevOps workflows - Implement observability, monitoring, and logging solutions - Optimise performance, scalability, and cost efficiency - Support AI teams with infrastructure, deployment, and integration - Ensure platform security, compliance, and high availability - Automate infrastructure using Infrastructure as Code … practices - Experience with Kubernetes/containerisation technologies - Strong programming skills (e.g. Python, Go, Node.js) - Experience with observability tools (e.g. OpenTelemetry, Datadog) - Understanding of security, performance optimisation, and scalability Desirable Skills - Experience working on AI/ML platforms or deployments - Exposure to large-scale distributed systems - AWS certifications ...

Sales Director

Hiring Organisation
Hays Business Support
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£100000 - £160000/annum
ensuring consistent delivery against ambitious commercial objectives. Key responsibilities include: Developing and delivering the national sales strategy to drive sustainable revenue growth Owning sales performance, forecasting, budgeting and territory planning Building, coaching and developing a high-performing field sales team Creating a culture of accountability, continuous improvement and commercial … excellence Establishing scalable sales processes, performance metrics and reporting frameworks Monitoring key business performance indicators and identifying opportunities for growth and optimisation Collaborating with senior leadership and cross-functional teams to align commercial objectives with wider business goals Building strong relationships with executive-level stakeholders across ...

Principal Software Engineer - Squad Lead Engineer

Location
City Of London, England, United Kingdom
objectives into sound technical designs and testable acceptance criteria; decompose epics into implementable stories Design and implement complex features; complete complex bug fixes and performance improvements Define and uphold Definition of Ready/Done including code quality, automated test coverage, security checks, and observability Establish/maintain CI/…/JVM, JavaScript/TypeScript, .NET/C#, Python, C/C++, SQL, Linux, or Windows Experience with relational and non‐relational data stores, performance tuning, and data modelling Knowledge of CI/CD platforms, containers, cloud technologies, observability, and monitoring practices Understanding of secure coding, performance optimisation ...

Senior Salesforce Developer

Location
City Of London, England, United Kingdom
Visualforce, SOQL/SOSL, triggers, controllers and Salesforce platform technologies . Design reusable development frameworks and components, ensuring high standards across code quality, performance, testing and maintainability . Implement complex Salesforce configuration, automation, workflows, approvals, validation rules and security controls . Agentforce, AI & Data Cloud Design and develop Salesforce … leadership across Salesforce programmes, contributing to solution design, development standards, code reviews and engineering best practices . Drive continuous improvement across development, automation, platform performance and technical delivery. Key Skills Extensive hands‐on experience delivering enterprise Salesforce solutions , with strong development expertise across Apex, Lightning Web Components (LWC), Visualforce ...

Developer

Location
City Of London, England, United Kingdom
values, with close attention to point in time integrity (as of date versioning, no look ahead bias, clean handling of revisions). Automation and optimisation: automate data workflows and build in data quality checks so parsing failures, gaps or stale data are caught before they reach research. Documentation … time to time Technical Requirements: Proven experience with Python, especially Pandas and NumPy Mastery of SQL and PostgreSQL: schema design, complex queries, indexing and performance optimisation, beyond basic querying Experience with pipeline orchestration and scheduling Proven ability to deliver reliable, tested scripts against a written specification ...

Staff Python Engineer (ML)

Location
City Of London, England, United Kingdom
including speccing, architecture, development, testing, deployment, release and monitoring Strong skills in building maintainable tests, observability and tracing systems. Knowledge of best practices for performance optimisation, memory management. Familiarity with Kubernetes , Docker and other cloud infrastructure, ops and containerised tools. Strong analytical and troubleshooting skills – methodically decomposing systems ...

Full Stack Developer

Hiring Organisation
MJA (London) Ltd
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
APIs: RESTful API design and development using C# with Open API standard Source Control: GitHub and Azure DevOps Production Engineering: Troubleshooting, monitoring, logging and performance optimization Highly Desirable Amazon MSK or managed Kafka experience AWS EKS/ECS Terraform/AWS CloudFormation AWS Lambda, API Gateway ...

Site Reliability Engineering Lead

Location
City Of London, England, United Kingdom
operational excellence standards across Insurance technology platforms. The team partners closely with application, infrastructure, database, and cloud engineering teams to improve platform availability, scalability, performance, and resilience. ICS leads strategic initiatives including SLO/SLI implementation, observability platform adoption, cloud modernization, operational readiness reviews, performance engineering, and reliability … direction for Site Reliability Engineering initiatives across multiple product portfolios. You will lead a team of SREs responsible for ensuring the reliability, scalability, security, performance, and operational excellence of mission-critical applications and platforms. The SRE Lead will partner closely with engineering, architecture, security, operations, and business stakeholders ...

Senior Front Office Developer - Trading

Hiring Organisation
CMC Markets UK Plc
Location
City of London, London, United Kingdom
Employment Type
Permanent
Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform. This is a hands-on role at the core of our market-making technology stack, where nanoseconds matter and engineering excellence … critical. You will design and build ultra-low latency pricing and risk systems that directly power our global trading operations. If you thrive in performance critical environments and want your work to have real market impact, we would love to hear from you. Please note that this ...

Lead AI Solution Architect – Customer

Location
City Of London, England, United Kingdom
data, analytics and AI by creating more relevant, personalised and effective customer experiences. Our expertise spans customer insight, data strategy and platforms, advanced analytics, performance optimisation, and AI (including generative AI and agentic AI) transformation. You will join the Song AI & Data UK practice, within the AI & Modelling … cloud data platforms. Make key architectural decisions covering technology selection, integration patterns, build-versus-buy approaches, security, governance, performance and operational support. Lead multidisciplinary delivery teams of engineers, data scientists and AI specialists, providing technical direction from initial concept through to production deployment and optimisation. Design solutions that meet ...

Data Science Associate Manager

Location
City Of London, England, United Kingdom
data, analytics and AI by creating more relevant, personalised and effective customer experiences. Our expertise spans customer insight, data strategy and platforms, advanced analytics, performance optimisation, and AI (including generative AI and agentic AI) transformation. You will join the Song AI & Data UK practice, within the AI & Modelling … production and measurable client value. Make the technical decisions on your workstream, covering analytical approach, model and architecture selection, evaluation, guardrails, and cost and performance trade-offs. Apply techniques included segmentation, experimentation, propensity modelling, churn prediction, customer lifetime value and next-best-action modelling to generate insight and improve ...

Data Engineer

Location
City Of London, England, United Kingdom
pipeline changes, data-quality troubleshooting and code review. What we’re looking for 5+ years' experience building production data pipelines Advanced SQL , including performance optimisation on large tables Strong Python for data engineering Experience with Presto, Spark, Hive or similar Experience with Airflow or another workflow scheduler Strong ...

Cloud Transformation Architect

Location
City Of London, England, United Kingdom
migration and re-platforming of legacy or monolithic applications to microservices-based architectures . Define and implement cloud-native designs , ensuring scalability, security, and performance optimization. Collaborate with enterprise and solution architects to define modernization roadmaps and deployment strategies . Provide technical direction during cloud transformation engagements , including assessment ...

Front End Developer

Location
City Of London, England, United Kingdom
Experience working within Agile delivery environments. Desirable Experience Familiarity with modern JavaScript frameworks and libraries. Experience working in large-scale enterprise environments. Knowledge of performance optimisation and accessibility best practices. Contract Details Rate: 650 - 750 per day Contract Length: 6 Months IR35 Status: Inside IR35 Location: London Working ...

Senior Front-End Engineer

Location
City Of London, England, United Kingdom
Next.js Proven experience building and shipping consumer-facing products Strong communication skills and ability to collaborate effectively with cross-functional teams Understanding of performance optimization techniques for modern web applications Competitive salary and an equity sign-on bonus Biannual bonus scheme Fully expensed tech to match your needs Paid ...

AIML Software Engineer, AI for Science

Location
City Of London, England, United Kingdom
will be accountable for keeping them reliable in production. This is hands-on software and platform engineering: building robust, well-tested, high-performance systems that scientists across GSK depend on every day, on modern cloud technology and the vast biomedical data sources available to us. Team Culture The AI4S … compute. Develop and maintain cloud-native architectures that enable reliable deployment and scaling of AI/ML workloads. Deliver robust, tested and high-performance code in an agile environment, and work closely with ML engineers and domain experts to make the infrastructure fit for purpose. Qualifications & Skills A degree ...