1 to 25 of 29 Remote Performance Optimisation Jobs in London

protocols and best practices Proven 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/Livestream environment Pro- active attitude More ❯

Sporting Solutions is a product led, technology-driven company that sources, generates, and distributes real-time sports betting data. Our systems operate under tight performance demands: low latency, high throughput, and ongoing reliability. We're working to continually improve our platforms and are evolving our infrastructure and applications - including moving from legacy .NET Framework systems toward modern, containerised .NET … Leading through example and building Proof-of-Concept solutions to demonstrate improved practices will be key. You'll work at the intersection of software architecture, DevOps strategy, and high-performance infrastructure, driving forward our modernization efforts and improving how we build, deploy, monitor, and scale our systems. What You'll Do Define and shape our DevOps vision , working closely … and infrastructure-as-code. Drive improvements in telemetry and observability , helping us move from log-centric metrics to first-class telemetry using OpenTelemetry and modern observability stacks. Optimise for performance , helping the platform scale for low-latency, high-throughput demands in real-time sports data delivery. Mentor and guide engineers , promoting a strong DevOps culture and fostering collaboration across More ❯

established solutions set the standard a decade ago. Principal Duties and Responsibilities: Linux OS Development: Design, develop, and maintain Linux-based operating systems with a strong emphasis on security, performance, and reliability. System & Security Engineering: Work with Linux distributions, kernel-level components, and networking functionality, applying modern security principles to harden systems against evolving threats. Innovation & Problem-Solving: Investigate … Science, Engineering, or another STEM discipline. Strong problem-solving ability with an innovative and independent mindset. Effective communication and teamwork skills. Desirable: C programming skills for low-level or performance-critical development. Experience with containerisation (Docker, Kubernetes). Familiarity with endpoint security, intrusion detection, or system hardening. Contributions to Linux or open-source projects. Experience with debugging, profiling, or … performance optimisation tools. Why Join Us Shape the future of secure endpoint technology. Work on high-impact projects for global, high-profile clients. Collaborate with a team of experts pushing the boundaries of Linux, networking, and security. Competitive compensation and strong opportunities for professional growth. Package & discretionary benefits: 25 days annual leave plus an additional 2 days after More ❯

established solutions set the standard a decade ago. Principal Duties and Responsibilities: Linux OS Development: Design, develop, and maintain Linux-based operating systems with a strong emphasis on security, performance, and reliability. System & Security Engineering: Work with Linux distributions, kernel-level components, and networking functionality, applying modern security principles to harden systems against evolving threats. Innovation & Problem-Solving: Investigate … Science, Engineering, or another STEM discipline. Strong problem-solving ability with an innovative and independent mindset. Effective communication and teamwork skills. Desirable: C programming skills for low-level or performance-critical development. Experience with containerisation (Docker, Kubernetes). Familiarity with endpoint security, intrusion detection, or system hardening. Contributions to Linux or open-source projects. Experience with debugging, profiling, or … performance optimisation tools. Why Join Us Shape the future of secure endpoint technology. Work on high-impact projects for global, high-profile clients. Collaborate with a team of experts pushing the boundaries of Linux, networking, and security. Competitive compensation and strong opportunities for professional growth. Package & discretionary benefits: 25 days annual leave plus an additional 2 days after More ❯

maintain technical documentation, user guides, and training materials. Support business users by creating UAT scripts and facilitating testing. Ensure effective use of MS SQL, including data management, reporting, and performance optimisation. Work collaboratively in an Agile project delivery environment, contributing to sprints and system improvements. Deliver excellent customer service to internal stakeholders, providing clear communication and timely issue resolution. More ❯

and reporting issues Key Experience ·Proven experience in reporting development, including strong SQL skills and advanced knowledge of Power BI. ·A solid understanding of relational databases, data architecture, and performance optimisation. ·Experience managing or mentoring technical teams, ideally in an Agile environment. ·Strong communication and stakeholder management skills, with the ability to simplify complex technical topics for a non More ❯

where you'll work directly with Quants and Traders to engineer ultra-low-latency trading systems . You'll combine advanced Java engineering with strategic input into platform architecture, optimisation, and scalability -delivering business-critical solutions used daily in electronic trading. What You'll Be Working On Designing and building low-latency, multi-threaded Java applications for market making … Developing and optimising pricing algorithms, order management, and execution logic . Engineering algo containers and ultra-low-latency applications using TCP/IP, UDP, and GC tuning. Driving automation, performance optimisation, scalability, and resilience across platforms. Leading complex technical initiatives across multiple feature teams. Partnering closely with front-office stakeholders to deliver impactful trading technology. What We're … Looking For Deep expertise in Java with proven experience in ultra-low-latency, high-performance systems . Strong background in electronic trading (ideally eFX) with pricing engines, algos, or order management systems. Skilled in multi-threading, GC tuning, TCP/UDP protocols , and performance optimisation. Experience with test-driven development, automation frameworks , and Agile/DevOps. Ability to More ❯

where you'll work directly with Quants and Traders to engineer ultra-low-latency trading systems . You'll combine advanced Java engineering with strategic input into platform architecture, optimisation, and scalability -delivering business-critical solutions used daily in electronic trading. What You'll Be Working On Designing and building low-latency, multi-threaded Java applications for market making … Developing and optimising pricing algorithms, order management, and execution logic . Engineering algo containers and ultra-low-latency applications using TCP/IP, UDP, and GC tuning. Driving automation, performance optimisation, scalability, and resilience across platforms. Leading complex technical initiatives across multiple feature teams. Partnering closely with front-office stakeholders to deliver impactful trading technology. What We're … Looking For Deep expertise in Java with proven experience in ultra-low-latency, high-performance systems . Strong background in electronic trading (ideally eFX) with pricing engines, algos, or order management systems. Skilled in multi-threading, GC tuning, TCP/UDP protocols , and performance optimisation. Experience with test-driven development, automation frameworks , and Agile/DevOps. Ability to More ❯

Define and evolve event-driven architectures and messaging strategies to power automation and connectivity across the enterprise. Provide technical leadership for large-scale, complex applications - from conceptual design to performance optimisation. Influence strategic decisions across cloud-native , SaaS , and on-premises environments. Collaborate with senior stakeholders, delivery teams, and other architects to ensure alignment with business objectives. Support proof More ❯

Data Warehouse, and replacing the legacy solution for allocation factor calculation with an innovative, graph database-driven solution. Duties: Lead the design of data architectures and the development and optimisation of ETL/ELT pipelines to enable seamless integration of data from multiple sources, including raw datasets and outputs from GraphDB (NEO4J), hosted on Google Cloud Platform (GCP). … Create and document technical solution designs, including detailed specifications. Address complex technical challenges such as performance optimisation, data traceability, and managing large-scale data sets. Oversee quality assurance across environment configuration, query development, data processing, staging tables, and related components. Facilitate and lead technical meetings to advance data modelling techniques and validate outcomes. Engage with Programme Architects to More ❯

API, and CSS frameworks . Integrate emerging tech : Incorporate AI/ML APIs, LLM-driven features, and automation tooling into our products. Design for scale : Lead on API design, performance optimisation, and secure, cloud-ready architectures. Build the team : Recruit, mentor, and grow high-performing engineers while raising the quality bar. Collaborate : Translate product goals into clear technical More ❯

Kanban). Proficient with CI/CD tools and practices. Track record of leading teams or making key technical decisions on mobile projects. Demonstrable knowledge of REST APIs and performance optimisation. Committed to accessibility standards and inclusive design. Why Join? Flexible hybrid working: Work remotely with occasional visits to the office Opportunities for continuous learning, growth, and internal mobility. More ❯

facing app and a native SDK for real-time, on-device data collection. The role blends deep technical engineering with a product-focused mindset, with strong emphasis on usability, performance, and scalability. In this senior position, the Senior iOS Engineer will contribute to architectural decisions, influence product direction, and mentor others, while collaborating with backend and data engineers in … with modern iOS tooling (SwiftUI, UIKit, CoreData, Clean Architecture, MVVM, Dependency Injection, etc.) Proven experience building scalable SDKs for third-party use Strong knowledge of architecture, design patterns, and performance optimisation Able to work across the full app lifecycle, from design to release and iteration Collaborative, product-focused, and comfortable mentoring engineers Familiarity with Agile, cross-functional environments … Interest in using AI tools to improve productivity and developer experience Senior iOS Engineer - Salary & Benefits: Basic salary up to £85,000 Performance-related bonus Share options Private medical insurance & income protection Enhanced pension Minimum 25 days holiday Flexible hybrid working If you're a Senior iOS Engineer who enjoys building reliable, scalable apps in a collaborative and mission More ❯

on a native SDK that powers real-time data collection directly on devices. The role blends hands-on mobile engineering with architectural thinking, with a strong emphasis on usability, performance, and scalability. The iOS Developer will work closely with backend and data engineers in cross-functional squads, taking part in system design, product discussions, and architectural decisions. You'll … and patterns (SwiftUI, UIKit, CoreData, MVVM, Clean Architecture, Dependency Injection, etc.) Proven experience developing scalable SDKs for external or internal use Strong knowledge of mobile architecture, design patterns, and performance optimisation Track record of delivering across the full app lifecycle, from feature design to release and iteration Collaborative, product-driven mindset, with the ability to mentor junior engineers … Experience working in Agile, cross-functional teams Interest in using AI tools to boost productivity and improve code quality iOS Developer - Salary & Benefits: Base salary up to £85,000 Performance-related bonus Share options Private medical insurance & income protection Enhanced pension scheme Minimum 25 days annual leave Flexible hybrid working model - typically 1 day per month in central London More ❯

on a native SDK that powers Real Time data collection directly on devices. The role blends hands-on mobile engineering with architectural thinking, with a strong emphasis on usability, performance, and scalability. The iOS Developer will work closely with Back End and data engineers in cross-functional squads, taking part in system design, product discussions, and architectural decisions. You … and patterns (SwiftUI, UIKit, CoreData, MVVM, Clean Architecture, Dependency Injection, etc.) Proven experience developing scalable SDKs for external or internal use Strong knowledge of mobile architecture, design patterns, and performance optimisation Track record of delivering across the full app life cycle, from feature design to release and iteration Collaborative, product-driven mindset, with the ability to mentor junior … Experience working in Agile, cross-functional teams Interest in using AI tools to boost productivity and improve code quality iOS Developer - Salary & Benefits: Base salary up to £85,000 Performance-related bonus Share options Private medical insurance & income protection Enhanced pension scheme Minimum 25 days annual leave Flexible hybrid working model - typically 1 day per month in central London More ❯

will be considered) • Proven startup experience (corporate-only backgrounds will not be considered) • Expert-level proficiency in React, TypeScript, modern frontend frameworks and architectures • Strong understanding of state management, performance optimization, and scalable component-driven design • Experience with testing frameworks (Jest, Cypress, Playwright) • Comfort with open-source principles and contributions • Clear, confident communication in English (minimum C1, no heavy More ❯

Role Summary We are seeking a highly skilled VMware Engineer for our high profile public sector Client on a contract basis. The Engineer specialist will support the deployment and optimisation of VMware Cloud Foundation (VCF) within the CNI Platform , a secure, airgapped infrastructure. They will lead VCF implementation with a focus on integration with Cisco ACI and Pure Storage … an airgapped setup. Security & Compliance : Leverage Cisco ACI's security capabilities-including policy-based segmentation and traffic control-to enforce strict access controls and compliance within the airgapped environment. Performance Optimisation : Monitor and fine-tune virtual infrastructure for reliability and efficiency. Documentation & Handover : Produce detailed implementation documentation and support knowledge transfer to internal teams. Stakeholder Collaboration : Liaise with More ❯

working in Unreal Engine 4+, especially with stylised rendering pipelines. Background in both hard-surface and organic/foliage asset creation. Familiarity with parallax layering, shader-driven workflows, and performance optimisation for portable platforms. Benefits A competitive salary. A clear career progression path with opportunities for growth and recognition. Fully remote position, offering the flexibility to work from More ❯

We are seeking a Senior-Level Java Engineer to join a dynamic financial technology team in London. You will play a key role in developing, maintaining, and enhancing high-performance, scalable financial applications. This is a fantastic opportunity for an ambitious developer with experience in Java and a passion for the financial sector. The role follows a hybrid working … Design, develop, and maintain high-quality Java-based applications for financial services. Collaborate with cross-functional teams to deliver robust and scalable software solutions. Ensure code quality, security, and performance standards are met. Work on both greenfield and existing applications, improving architecture and implementing best practices. Troubleshoot and resolve complex technical issues. Participate in code reviews and provide constructive … Area 5+ years of experience in Java development (Java 8 or later). Experience with Spring Boot, Microservices architecture, and RESTful APIs. Strong understanding of multi-threading, concurrency, and performance optimization. Knowledge of SQL and database technologies (PostgreSQL, MySQL, or similar). Experience with messaging systems (Kafka, RabbitMQ) is a plus. Exposure to cloud platforms such as AWS, Azure More ❯

over 50 million builds per month for companies ranging from fast-moving startups to global enterprises-and sit at a critical point in the software delivery lifecycle where reliability, performance, and user experience directly shape developer productivity. Engineering here is about momentum and impact. We move quickly to explore ideas, validate what works, and double down on solutions that … of using machine learning for test selection, build optimization, or predictive CI/CD insights. Background in frontend development with frameworks like React and TypeScript. Familiarity with observability and performance optimization practices. United Kingdom Base Pay Range We will ensure that individuals with disabilities are provided reasonableaccommodation to participate in the job application or interview process, to performessential job More ❯

CPI) Harness your expertise to lead the heartbeat of the enterprise integration landscape. As our Systems Integration Operations Lead, you'll be at the forefront of ensuring the stability, performance, and continuous improvement of critical SAP CPI environments that power our world-class operations. This is a unique opportunity to influence cutting-edge digital technology strategies while working remotely … a dynamic luxury retail environment. Imagine orchestrating seamless integrations across CRM, Finance, Logistics, Ecommerce, and HR systems-your leadership and technical prowess will keep the organization connected, secure, and performance-driven. Join a passionate team dedicated to delivering excellence, pioneering automation, and elevating our operational standards to create magic at every touchpoint. Required Skills Proven hands-on experience managing … ECC, S/4HANA), and integrations via REST, SOAP, sFTP, JDBC, and other protocols. Programming skills in Groovy, Java, and XSLT with a focus on security, data protection, and performance optimization. Experience managing transport and change governance, incident triage, and root cause analysis. Skilled in monitoring tools like SAP Cloud ALM, observability platforms, and incident management platforms such as More ❯

teams to deliver seamless, performant experiences across web and mobile. Develop backend logic and APIs , manage data flows, and implement systems that integrate with third-party platforms. Optimize website performance by applying best practices in front-end development, including lazy loading, and efficient asset management. Set up and manage infrastructure using tools like Vercel, AWS, Cloudfront, Terraform, and CI … platforms like AWS (Vercel, CloudFront, S3, etc.) . Experience with A/B testing and familiarity with analytics tools to drive data-informed design and development decisions. Knowledge of performance optimization techniques and best practices for fast-loading, responsive websites. Experience in writing tests for front-end components, with familiarity in testing frameworks (e.g., Jest, Mocha, Cypress). Strong More ❯

with existing team to ensure smooth transition handover at termination of contract Contribute to CI/CD workflows using Azure Pipelines within an Azure cloud environment. Optimize application for performance, scalability, and accessibility. Troubleshoot and resolve issues across the front end, supporting integration points with back-end services. Maintain design consistency, usability, and accessibility standards across applications. Requirements Proven … of .NET (C#) and how React applications integrate with it. Familiarity with Azure environments, ideally including Azure Pipelines for CI/CD. Strong understanding of responsive design, accessibility, and performance optimization. Familiaity with calender page optimisation A team player with good communication skills More ❯

across the business. This role is heavily cloud-focused (AWS) and requires strong expertise in Python, Spark, and relational databases. Role Design, build, and maintain scalable, reliable, and high-performance data pipelines and workflows. Develop clean, maintainable, and testable code in Python for data ingestion, transformation, and processing. Optimise and fine-tune query performance on Aurora Postgres and … practices for data security, governance, and compliance. Profile Strong Python development skills, with experience writing clean, extensible, and testable code. Proven experience with relational databases (Aurora Postgres preferred), including performance optimisation. Extensive AWS experience, particularly with serverless data engineering tools (Lambda, Glue, Glue Data Catalog, EMR serverless, API Gateway, S3). Solid Spark experience with large-scale data pipelines More ❯

workflows Drive architectural reviews for LlamaParse/Azure Document Intelligence integration Design fault-tolerant, high-availability AI systems with automatic failover and load balancing Establish comprehensive monitoring, observability, and performance optimization strategies Mentor technical teams and establish AI engineering best practices using modern toolchains Oversee model performance evaluation using LangGraph evals and DeepEval frameworks More ❯