11 of 11 Remote/Hybrid Performance Tuning Jobs in the City of London

Java Software Developer | Low Latency & FIX Connectivity | Financial Services | London, Hybrid We’re partnered with a specialist engineering firm known for solving demanding performance challenges across financial markets and technology. Their teams design, build and optimise high-throughput, low-latency systems used by global financial institutions where speed, reliability … precision genuinely matter. They’re now looking for a Java Software Developer with proven experience building high-performance JVM-based systems, ideally within trading, banking, fintech or front-office financial markets environments. This role would suit someone with around 4–10 years’ commercial engineering experience who has worked ...

trusted backend partner for Product and Platform teams. Within 12 months, you will: Confidently own and evolve multiple backend systems. Improve database performance and background job efficiency. Reduce operational risk across TOC integrations. Strengthen CI/CD reliability and deployment confidence. Contribute to longer-term backend architecture improvements … party integrations, ensuring reliable and secure data exchange. Infrastructure Collaboration: Work with the Platform team on AWS-based deployments and CI/CD processes. Performance & Reliability: Optimise background processing and database performance to maintain system stability. Incident Response: Support investigation and resolution of production issues. Cross-Functional Collaboration ...

scalable database solutions (SQL Server, PostgreSQL, DynamoDB) Lead migrations of MS SQL Server on EC2 to AWS RDS Build and manage data pipelines Drive performance tuning, query optimisation, and indexing strategies Collaborate across engineering teams to embed robust database architecture ✅ What We’re Looking For 5+ years ...

modern systems, high standards, and sustainable delivery. The role This is a senior engineering opportunity within a specialist Site Reliability Engineering team focused on performance, uptime, and operational excellence across a business-critical trading platform. The role combines software engineering with reliability engineering. You’ll be involved in designing … What you will do Build tools, automation, and internal services that improve platform reliability Implement monitoring, telemetry, and observability standards across distributed systems Analyse performance across application, OS, and network layers to identify bottlenecks Help define and improve SLOs/SLAs for critical services Support engineering teams with architecture ...

back end) version 11 onwards Understanding of data security and compliance, including ISO27001 or secure coding practices SQL Server development skills (stored procedures, triggers, performance tuning) Experience with SSRS reporting Exposure to IIS, HTML, CSS, or web-based systems ...

back end) version 11 onwards Understanding of data security and compliance, including ISO27001 or secure coding practices SQL Server development skills (stored procedures, triggers, performance tuning) Experience with SSRS reporting Exposure to IIS, HTML, CSS, or web-based systems ...

their field. You’ll work at the intersection of on-device machine learning, SDK development, and real-world product deployment , delivering reliable, high-performance mobile experiences used in production environments. Location: London - Hybrid Responsibilities: SDK integrations & partner support Lead integrations with partners and clients, ensuring seamless interoperability Collaborate with … developer support iOS camera SDK ownership Maintain and extend a camera SDK with real-time image quality checks (e.g. blur, lighting, framing) Ensure stability, performance, and ease of integration Manage SDK distribution and packaging On-device ML deployment Deploy and optimise machine learning models for mobile (e.g. conversion, quantisation ...

CSS3) Experience integrating SharePoint solutions using REST APIs, Microsoft Graph, C#, and .NET Hands-on management of on-prem SharePoint environments, including patching, upgrades, performance tuning, and troubleshooting Experience with Business Connectivity Services (BCS), External Content Types (ECTs), and SQL Server design and optimisation ...

alongside Product Owners, Business Analysts, and Tech Leads to validate solution approaches and shape backlog priorities Investigate and resolve functional and technical issues including performance, access, and data synchronisation problems Collaborate with Integration and Data teams on API connections, data mappings, and Dynamics workflows Contribute to platform governance, roadmap … have: Microsoft certifications (MB-210, PL-200, MB-910 or equivalent) Familiarity with ITIL, Agile delivery practices, or Dynamics ALM Experience with platform governance, performance tuning, or licensing management What's On Offer Salary up to £90,000 depending on experience Hybrid working - 2 -3 days per week ...

APIs and improve data availability. Data Modelling & Analytics Build and maintain robust data models to support operational, commercial, and executive reporting. Analyse service delivery performance including SLAs, KPIs, MTTR, incident volumes, backlog trends, repair cycle times, and device failure patterns. Perform historical trend analysis and develop forecasting models … continuous improvement initiatives across service delivery and support operations. Support monthly and quarterly service reviews with strategic customers through high-quality analytics packs and performance narratives. Enable proactive decision-making by identifying emerging risks before they impact customers or SLAs. Data Governance & Quality Assurance Establish and maintain data governance ...

This isn't just about standard predictive modeling—you’ll be building autonomous agents that reason and execute, leveraging the latest in LLM fine-tuning, RAG pipelines, and scalable MLOps. The Core Mission Architect & Build: Design and implement AI algorithms and architectures, moving from raw concepts to robust frameworks. … Agentic Systems & LLMs: Develop intelligent AI agents capable of reasoning and planning. Expertly handle LLM fine-tuning (PEFT, LoRA, QLoRA) and RAG pipelines. Data Orchestration: Build ETL/ELT pipelines and feature engineering workflows to integrate structured and unstructured data into centralized platforms. End-to-End MLOps ...