13 of 13 Performance Optimisation Jobs in the City of London

Shopify Developer

Hiring Organisation
Tiro Partners
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£45000 - £65000/annum
development projects from design through to delivery Provide technical leadership via architecture decisions, code reviews, and mentoring Ensure best practices across CI/CD, performance optimisation, security, and accessibility Collaborate with clients, Product Managers, and Business Analysts to align technical solutions with business goals Support, inspire, and develop … Developer, or similar role delivering complex Shopify projects Familiarity with modern theme build tools such as Vite.js or Webpack Strong understanding of scalable architecture, performance optimisation, and accessibility standards Experience with DevOps workflows, GitHub, and modern CI/CD pipelines Excellent communication and leadership skills Perks & Benefits Fully ...

Tech Lead

Hiring Organisation
MFA Talent Services
Location
City of London, London, United Kingdom
Employment Type
Permanent
microservices, event-driven architectures, APIs, serverless and containerised workloads. Drive high-quality engineering standards including automated testing, TDD/BDD, CI/CD, observability, performance optimisation and security. Support DevOps maturity by ensuring robust pipelines, IaC, automated deployments, and consistent cloud environments. Provide mentorship, coaching, and capability uplift ...

Lead Cloud Engineer

Hiring Organisation
Sky
Location
london (city of westminster), south east england, united kingdom
experience in logging systems (e.g. ELK stack ) Proven experience in monitoring systems (e.g. Prometheus ) Proven experience in tracing systems (e.g. OpenTelemetry , Jaeger) Experience in performance optimization and resource management Relevant certifications (AWS, Google) Understanding of Agile methodologies Ability to diagnose and resolve service- affecting issues in a Broadcast/ ...

Data Engineer (Databricks)

Hiring Organisation
Hays Technology
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450/day 450
designing and optimising large-scale data engineering solutions within the Databricks Data Intelligence Platform. This role is ideal for someone passionate about building high-performance data pipelines and ensuring robust data governance across modern cloud environments. Key Responsibilities Design, build, and maintain scalable data pipelines using Databricks Notebooks, Jobs … Workflows for both batch and streaming data. Optimise Spark and Delta Lake performance through efficient cluster configuration, adaptive query execution, and caching strategies. Conduct performance testing and cluster tuning to ensure cost-efficient, high-performing workloads. Implement data quality, lineage tracking, and access control policies aligned with Databricks ...

Technology Product Owner, AI, Microsoft Stack, Data Bricks, Remote

Hiring Organisation
Carrington Recruitment Solutions Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Developer 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. Experience with implementing and optimising scalable cloud infrastructure is highly valued. Backlog management:Demonstrated expertise in maintaining and prioritizing product backlogs ...

Audit Technology Product Owner, Big 4, Accountancy, Remote with Travel

Hiring Organisation
Carrington Recruitment Solutions Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Read on for more details Experience required: Technical proficiency:Familiarity with Azure services (e.g., Data Lake, Synapse, Fabric) and Databricks for data engineering, analytics, performance optimisation, and governance. Experience with implementing and optimising scalable cloud infrastructure is highly valued. Backlog management:Demonstrated expertise in maintaining and prioritizing product ...

Senior ZK-Engineer

Hiring Organisation
Plexus Resource Solutions Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
trustless Bitcoin vaults and zk light-client operations. Lead the architecture and implementation of zkVM systems, including circuit design, data interfaces, proof pipelines, and performance optimization. Implement and enforce security best practices across zkVM programs. Requirements: Demonstrated expertise in Rust programming. Proven experience delivering zero-knowledge systems or infrastructure ...

Data Engineer - £350PD - Remote

Hiring Organisation
Tenth Revolution Group
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £350/day
processing patterns (CDC, watermarking, upserts) AWS Data Services Amazon S3: data lake architectures, partitioning strategies, lifecycle policies DynamoDB: data modeling, secondary indexes, streams, and performance optimization Amazon Redshift: foundational querying, integrations, and performance considerations AWS Lambda for scalable data processing and orchestration Amazon EventBridge for event-driven … decoupled data pipelines Vector Databases & Embeddings Strong understanding of vector database concepts, indexing strategies, and performance trade-offs Design and implementation of embedding generation pipelines Optimization techniques for semantic search and retrieval accuracy Effective chunking strategies for document ingestion and processing Experience with CockroachDB deployment and management is beneficial ...

C++ Software Developer

Hiring Organisation
Ncounter LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
C++ Software Developer, Risk Technology £160,000 to £170,000 Join a high-performance engineering group responsible for the systems that sit at the heart of a global trading operation. This team owns the core risk platform, handling everything from trade intake and real time position tracking … speed. You will work in an engineering culture that values clarity, simplicity and strong design. Expect to collaborate with colleagues across regions, refine performance at a system level and contribute to a platform that is constantly evolving as trading strategies and data volumes grow. What you bring Strong C++ ...

Sharepoint Engineer

Hiring Organisation
VIQU IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Sharepoint Engineer Act as the SharePoint SME, providing expert guidance across on-premise and Azure cloud environments. Lead platform upgrades, deployments, and performance optimization initiatives. Collaborate with IT teams, vendors, and business stakeholders to deliver solutions. Integrate SharePoint with SSO, MFA, and Azure services. Troubleshoot and resolve complex SharePoint … improvements to enhance platform resilience and performance. Key Requirements Proven experience as a SharePoint Engineer with on-premise and cloud (Azure) environments. Strong troubleshooting, performance tuning, and problem-solving skills. Experience with SSO, MFA, and Azure integrations desirable. Excellent stakeholder management and communication skills. Proactive, analytical, and able ...

Director, S-REIT

Hiring Organisation
NTT Global Data Centers EMEA UK ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
engagement activities, including roadshows and conferences. Oversee one or more stabilized assets, collaborating with FP\&A, Business Case, and cross-functional teams to establish performance baselines and challenge assumptions. Monitor monthly asset performance (rent roll, leasing strategy, P\&L, capex), lead execution of asset strategies, and track implementation … experience in investor relations or capital markets, ideally with exposure to REITs or listed entities. Multiple years of experience in asset management or financial performance optimization, preferably in real estate or infrastructure. Multiple years of experience in a leadership role managing regional teams or cross-functional stakeholders. Proven experience ...

Senior Backend Engineer

Hiring Organisation
Plexus Resource Solutions Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
there team intentionally small, bringing together only the most exceptional talent in crypto. They are looking for a backend engineer experienced in building high-performance, low-latency microservices in TypeScript. Responsibilities Backend Development: Build and maintain scalable TypeScript services for trading, analytics, and integrations. Cross-Team Collaboration: Work with … designers, product, and users to align backend solutions with platform needs. Performance Optimization: Deliver fast, reliable systems and efficient queries for high user loads. Code Quality: Write clean, well-structured, well-documented code. Problem Solving: Debug and resolve complex issues to keep the platform running smoothly. Requirements 5+ years ...

Data Engineer (SC Cleared)

Hiring Organisation
Syntax Consultancy Ltd
Location
SW1H 0BB, City of Westminster, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£500/day 500/day (Inside IR35)
Warehouse patterns, Gold Layer modelling, defining/implementing ingestion + transformation pipelines (Dataflows Gen2, Notebooks), establishing modelling standards for Gold Layer + semantic models, performance optimization, lineage/observability, governance, RBAC, security, data retention. Team Leading/Delivery: setting standards, directing/mentoring the team, reviewing designs, unblocking delivery. … orchestration, testing, test data preparation, reporting validation, release practices. Operational Readiness: ensuring documentation/run books + non-functional requirements are met (security, resilience, performance). Short-Term Objective: baseline Gold Layer model components to enable consistent semantic models and reporting. ...