1 to 25 of 46 Remote/Hybrid Performance Tuning Jobs in London

Senior ETF Engineer, Investment Technology

Hiring Organisation
Invesco
Location
Greater London, United Kingdom
Employment Type
Full Time
processes across Equities, Fixed Income, and Alternatives. This role will partner closely with portfolio managers, quantitative researchers, and business teams to deliver scalable, high-performance solutions that support both technology-owned platforms and business-driven workflows (e.g., co-developed tools such as dashboards and portfolio management utilities). … APIs, and microservices supporting portfolio analytics, optimization workflows, and data pipelines Design and optimize SQL-based data processing (PostgreSQL, SQL Server), including complex queries, performance tuning, and large-scale ETL workflows. Implement and support distributed, event-driven architectures (e.g., Kafka, asynchronous workflows) for scalable platform execution. Develop ...

SQL Server Developer

Hiring Organisation
Picture More
Location
Orpington, Kent, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £60,000 per annum
supporting a mature Azure SQL Database environment. This is a hands-on role where you'll work with a large, established SQL codebase, troubleshoot performance issues, and help deliver reliable database solutions that support a business-critical platform. Location: SE London (Hybrid) What's on offer? Opportunity to work … with large-scale Azure SQL Database environments Varied technical challenges across performance tuning and optimisation Collaborative and supportive technical team Long-term career development opportunities Key responsibilities Design, develop and maintain T-SQL stored procedures, functions and complex queries Diagnose and resolve SQL performance issues using execution ...

SQL Server DBA

Hiring Organisation
Deerfoot Recruitment Solutions
Location
Sunbury-On-Thames, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
Database Maintenance & Security: Manage and support MS SQL Servers, designing data backups, reviewing security procedures, managing user permissions, and applying crucial patches or upgrades. Performance Tuning & Optimisation: Monitor, optimise and deliver performance tuning or modifications to software code and database migrations to ensure high availability ...

Camunda DevOps Lead - London, UK - Fulltime - Hyrbrid

Hiring Organisation
Capgemini
Location
Greater London, United Kingdom
Employment Type
Full Time
configuration and system maintenance Observability Monitoring Reliability Implement comprehensive monitoring logging and alerting frameworks to ensure high platform availability and rapid incident response Conduct performance tuning capacity planning and proactive issue resolution for mission critical systems Establish operational runbooks readiness checklists and best practices for platform reliability Security … Specialized Experience in Camunda Successfully deployed supported and automated Camunda platform operations using DevOps best practices including CICD pipelines for Camunda workflows platform monitoring performance tuning and end to end automation of Camunda based process application We are a Disability Confident Employer: Capgemini is proud ...

.NET Technical Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
security and code quality. Leverage Azure services (App Services, Functions, Container Apps, SQL, etc.) for cloud‐native application development and deployments. Manage Azure deployments, performance tuning, and basic cloud administration tasks to ensure scalability and reliability. Collaborate with stakeholders and cross‐functional teams to align technical solutions with … lifecycle management. Skilled in Azure SQL Server with deep hands‐on experience in writing complex Stored Procedures, Triggers, and Views, along with strong application performance optimization expertise. Cloud experience in Azure App Services, Azure Functions, Azure Container Apps, and deployments, with exposure to basic cloud administration. Knowledge of microservices ...

Site Reliability Engineer

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
activities, identify root causes, and execute plans to permanently resolve them. Architecture Support: Support development and engineering teams in building highly available, scalable solutions. Performance & Capacity: Conduct performance tuning and capacity planning to align perfectly with client business needs. Cloud Migrations: Drive or support implementation teams ...

AI Data Engineer

Hiring Organisation
Capgemini
Location
Greater London, United Kingdom
Employment Type
Full Time
scientists, and integrate pipelines with ML workflows where required, using AI assistance to speed up dataset understanding and documentation. Monitor and optimise workloads: Improve performance, reliability and cost efficiency, and implement observability (logging, alerting, SLAs) for production data pipelines—using AI-assisted troubleshooting to speed up triage while maintaining … platforms in production environments. Strong expertise in distributed data processing and modern data platform patterns (lakehouse/warehouse), with good understanding of data modelling, performance tuning and reliability. Experience with cloud services for data (storage, compute and orchestration) and with workflow/orchestration tooling (e.g., managed schedulers, data ...

Data Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
access controls, row‐level security, dynamic data masking, and PII governance in line with regulatory requirements (GDPR, BCBS 239) Champion Snowflake best practices for performance tuning, clustering keys, materialised views, and query optimisation Evaluate Snowflake‐native capabilities (Snowpark, Cortex AI, Dynamic Tables) and recommend adoption where they accelerate … Formation, IAM, VPC Data Governance Data lineage, cataloguing (Apache Atlas/Collibra/Snowflake Horizon), GDPR, BCBS 239, MDM AI/ML Data Query & Performance SQL optimisation, clustering keys, partitioning, query profiling, cost‐based tuning Data Landscape The Data Architect will work across the following technology landscape. Candidates ...

Lead Site Reliability Engineer (AWS)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
managed service partner, you will design, implement, and continuously improve resilient, scalable, and secure systems. You will leverage expertise in cloud infrastructure, automation, monitoring, performance optimisation, and incident management to deliver high system uptime and support evolving business needs. About the Team The role sits within the Digital … shaping and delivering the the company’s Site Reliability/DevOps strategy by implementing best practices that improve the availability, resilience, security, and performance of our digital platforms. You will use your expertise in cloud infrastructure, automation, monitoring, FinOps and performance optimisation to identify opportunities for improvement, resolve ...

Senior Integration Developer (IBM ACE / IIB) - Banking

Hiring Organisation
Salt
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£500 - £600 per day
messaging solutions within a complex financial services environment. This is an excellent opportunity to work on business-critical systems, designing, developing and maintaining high-performance integration services that support large-scale transaction processing. You'll be involved throughout the full software development lifecycle, working closely with analysts, developers … application integration and production deployments. Participate in code reviews, design reviews and technical discussions. Perform proof-of-concepts to validate solution designs and meet performance and throughput requirements. Troubleshoot production issues and provide ongoing application support. Work collaboratively within Agile delivery teams to deliver solutions on time ...

Senior AWS Platform Engineer

Hiring Organisation
REVYBE IT RECRUITMENT LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
Write automation and tooling in Python or Go to remove manual work and reduce operational overhead Support and optimise Amazon RDS environments for availability, performance, and security Embed site reliability principles across the platform, including SLIs, SLOs, error budgets, and blameless incident reviews Build out monitoring, logging, alerting … building CI/CD pipelines with GitHub Actions Strong programming ability in Python or Go, beyond basic scripting Confident with Linux administration, troubleshooting, and performance tuning Experience with Amazon RDS or similar managed database services Track record of architecting cloud native platforms in regulated or security sensitive environments ...

Senior Power BI Developer

Hiring Organisation
Method Resourcing
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
maintain scalable data models using dimensional modelling and star schema best practices Develop advanced DAX calculations and Power Query transformations Optimise report and dataset performance, ensuring reliability and scalability Partner with Data Engineering teams to support data warehousing and analytics architecture initiatives Implement and maintain Power BI governance, security … roles Strong commercial experience designing and delivering Power BI solutions in production environments Advanced Power BI expertise, including semantic modelling, DAX, Power Query, and performance optimisation Excellent data modelling skills with experience of star schema and dimensional modelling techniques Strong SQL skills, including complex query writing, data validation ...

Power BI Developer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Power BI semantic models, dashboards and reporting solutions for Risk Reporting, with particular focus on semantic model architecture, automated refresh processes, partitioning, governance and performance optimisation. Responsibilities: Designing and developing enterprise-grade Power BI reports, dashboards and scorecards. Building and maintaining semantic models using dimensional modelling best practices. Developing … Implementing Row-Level Security (RLS), governance controls and access management. Supporting Power BI Premium/Fabric capacity management. Troubleshooting refresh failures, gateway issues and performance bottlenecks. Implementing CI/CD pipelines and deployment automation for Power BI assets. Skills & Experience: Essential Expert Power BI Desktop and Power BI Service ...

Power BI Developer

Hiring Organisation
ARM
Location
London, United Kingdom
Employment Type
Contract
Power BI semantic models, dashboards and reporting solutions for Risk Reporting, with particular focus on semantic model architecture, automated refresh processes, partitioning, governance and performance optimisation. Responsibilities: Designing and developing enterprise-grade Power BI reports, dashboards and scorecards. * Building and maintaining semantic models using dimensional modelling best practices. * Developing … Implementing Row-Level Security (RLS), governance controls and access management. * Supporting Power BI Premium/Fabric capacity management. * Troubleshooting refresh failures, gateway issues and performance bottlenecks. * Implementing CI/CD pipelines and deployment automation for Power BI assets. Skills & Experience: Essential * Expert Power BI Desktop and Power BI Service ...

SQL Server DBA / Data Engineer

Hiring Organisation
Noir
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £85,000 per annum
Azure, GCP, SQL Server DBA/Data Engineer) Founded in 2010, our client is a rapidly growing software company focused on delivering high-performance data solutions for enterprise clients. With a strong presence across the U.S. and Europe, they're now scaling their operations in the UK to support … their expansion, they are looking for a talented SQL/Data Engineer. In particular, they are looking to move into the field of high-performance data analytics. contribute to the ongoing development and performance optimisation of their mission-critical data platforms. Our client is looking for passionate ...

Data Engineer (Databricks)

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
solutions using Azure Databricks and Azure Data Factory Design and optimize data pipelines for processing large volumes of data (multi-million records) with high performance Participate in customer discussions, requirement analysis, and technical solution design Ensure code quality, performance tuning, and adherence to best practices throughout development … Azure Databricks development, including efficient handling of large datasets Strong working knowledge of Azure Data Factory for building complex ETL workflows Experience with performance optimization of data pipelines and distributed processing setups Proficiency in Scala development (hands‐on experience highly desirable) Solid understanding of Azure services relevant to data ...

Database Reliability Engineer

Hiring Organisation
REC SOLUTIONS LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
role requires a database reliability expert who can thrive in a dynamic environment, supporting and enhancing highly available, highly reliable database deployments, ensuring optimal performance, and mentoring junior engineers to support our applications. This position will play a vital role in ensuring my clients containerization initiatives succeed and support … Kubernetes and Docker, with substantial experience in automating reliable deployments, building and maintaining resilience within the database platform, secure database operations methodologies, observability and performance management. We are also exploring other NoSQL database engines to support our production strength applications, so experience with diverse database systems is a plus. ...

Platform AWS Engineer (SC Cleared)

Hiring Organisation
Hays Technology
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 492 Daily
addressing, CIDRs, TCP/IP, and TLS certificates Experience supporting Java applications, JVMs, and process management Nginx administration, particularly as a reverse proxy Performance tuning and capacity management across CPU, memory, and storage Experience with OpenVPN and SSH client/server configurations AWS Administration Management of EC2 instances ...

Cassandra Database Engineer - NoSQL

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 700 - 745 Daily
replication strategies and partitioning models. Develop and optimise data models aligned to query patterns (denormalization ,partition key design, avoiding hotspots and wide partitions). Performance tuning: compaction strategies consistency levels, read/write path optimisation, JVM/GC tuning. Manager cluster operations: node additions/decommissions, repairs (node ...

Senior Software Engineer – Real-Time Data Platform

Hiring Organisation
Morningstar
Location
Greater London, United Kingdom
Employment Type
Full Time
Salary
68200 to 95333.33 GBP Annually
working on a distributed, event-driven platform responsible for processing billions of market data messages per day. This is a high-performance environment where reliability, scalability, and correctness are essential. Our platform acts as the backbone of the business, ensuring that accurate and timely market data flows seamlessly … highly available systems. Define and manage infrastructure using Terraform. Implement CI/CD pipelines and deployment workflows using tools like Harness. Optimise systems for performance, latency, throughput, and cost. What We're Looking For Excellent collaboration and communication skills. Strong experience in distributed systems and event-driven architectures. Hands ...

Lead Data Architect – Security Master Systems (Hybrid)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
master system. In addition to designing and implementing robust data architectures. The successful candidate will lead the security master development team, overseeing the quality, performance, and scalability of the teams’ deliverables. Key Responsibilities – Data Architecture and Design: Lead the design and implementation of the enterprise data architecture, ensuring alignment … Azure) and big data technologies (e.g., Kafka, Spark, Databricks, Snowflake). Expert-level knowledge of building ETL processes in Python. Expert-level knowledge of performance tuning and optimization in a Python/SQL Server environment This role offers highly competitive compensation as well as a flexible hybrid working ...

Senior Software Engineer, Machine Learning Services

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
just about gluing APIs together; it's about building the infrastructure that makes it all possible. Our core platform is written in Rust for performance, correctness, and fearless concurrency. ML models and services are primarily in Python. If you're intrigued by the challenges of the software/hardware … platform. This includes our Rust‐based API gateway, Python ML compute workers, and the distributed job queue that orchestrates it all. Solve hard concurrency, performance, and distributed systems problems to ensure our platform is bulletproof for high‐volume production workloads. Work directly with product and ML science teams ...

Datacore Specialist (Engineer)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
initial 6-month contract. You'll play a key role in supporting, maintaining and optimising the firm's enterprise storage platform, ensuring high availability, performance and resilience across critical infrastructure. Working alongside infrastructure, platform and operations teams, you'll help deliver storage improvements, support ongoing projects and contribute … stability of a highly available production environment. Responsibilities Administer and support DataCore SANsymphony storage environments. Monitor storage performance, capacity and availability across enterprise infrastructure. Troubleshoot and resolve storage-related incidents and performance issues. Configure and maintain storage replication, snapshots and high-availability solutions. Support infrastructure upgrades, migrations ...

Java Developer - Back / Middle office, Clearing, Settlements

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
build and enhance critical Back Office, Middle Office, Settlements, Clearing and Prime Brokerage platforms. Required Skills Java 11+, Spring Boot, Microservices Multi-threading, performance tuning REST APIs, distributed systems CI/CD, Git, Maven TDD/BDD, JUnit, Mockito SOLID principles, Design Patterns Financial Services/Capital Markets ...

FP&A Systems Consultant

Hiring Organisation
17918
Location
London, United Kingdom
business needs and client expectations. Act as the technical authority on Unit4 FP&A CPM/BI , providing best practice processes, troubleshooting, and performance tuning. Support sales and pre-sales activity, contributing to bids, proposals, and solution design. Develop and maintain delivery methodologies, governance frameworks, and quality assurance processes. ...