1 to 25 of 36 Performance Optimisation Jobs in East London

Azure, or equivalent). Database & API Management – Design efficient PostgreSQL and MongoDB schemas and develop secure RESTful/GraphQL APIs for seamless data integration. Performance Optimisation. System Architecture & Scalability. Code Review & Quality Assurance. Security Best Practices. Skills and Experience: Essential: Proficiency in JavaScript/TypeScript, React, Node.js, PostgreSQL, and More ❯

play a key role in designing and building greenfield backend services using Java and Spring Boot , with a strong emphasis on DevOps, automation, and performance at scale. You'll help shape technical direction , lead by example in code quality, and champion best practices across the team. You’ll be … and concepts – e.g. Kubernetes, Git-based CI/CD, cloud infrastructure (AWS/GCP/Azure). Strong grasp of software security principles, system performance optimisation, and infrastructure reliability. Experience working on large-scale, production-grade systems with distributed architectures. Nice to Have: Exposure to tools like Elasticsearch More ❯

to be hands-on with critical systems at the heart of a secure, global platform. In this role, you’ll design and maintain high-performance backend services that directly power next-generation cybersecurity solutions . With a focus on clean architecture, resilient systems, and robust infrastructure, your work will … and concepts – e.g. Kubernetes, Git-based CI/CD, cloud infrastructure (AWS/GCP/Azure). Strong grasp of software security principles, system performance optimisation, and infrastructure reliability. Experience working on large-scale, production-grade systems with distributed architectures. Nice to Have: Exposure to tools like Elasticsearch More ❯

Lead the planning and execution of database modernisation, conversion, and migration activities, ensuring alignment with project timelines and deliverables. Oversee database architecture assessments and performance optimisation efforts. Collaborate with development and architecture teams to improve data flow and streamline database operations. Conduct thorough testing and validation of migrated More ❯

cloud infrastructure on AWS . Confident leading agile delivery teams in high-growth or startup environments. Deep understanding of system design, API development, and performance optimisation. Passion for clean code, scalable architecture, and elegant problem-solving. Strong communication skills with the ability to align technical direction with business needs. More ❯

and motivated Senior/Staff/Principal Analogue Engineers with expertise in CMOS analogue design to lead the design, validation, and implementation of high-performance analogue circuits for our next-generation OTPUs. This role demands deep knowledge of CMOS analogue circuit design, simulation, and testing . The ideal candidate … will have a strong background in electrical engineering and semiconductor physics and a passion for developing reliable, high-performance analogue circuits that drive breakthrough AI hardware. Responsibilities Design and develop advanced CMOS analogue integrated circuits, including schematic creation, simulation, layout, and testing to meet the performance targets of … closely with cross-functional teams, including optical hardware engineers, to ensure seamless integration of analogue circuit blocks within the system architecture. Analyse analogue circuit performance, identify bottlenecks, and implement innovative solutions to optimise power, noise performance, speed, and reliability. Mentor junior engineers, conduct design reviews, and promote best More ❯

the Oracle Cloud ERP/EPM application, specifically within the Finance and Procurement domains. This role requires a deep understanding of Oracle Cloud architecture, performance optimisation, integration, security, and operational best practices. The support lead will provide advanced technical support, trouble shoot complex issues, manage a team of … stakeholders and driving resolution. Participate in post-incident reviews to identify root causes and implement preventative measures. Continuous Improvement: Identify opportunities to improve the performance, stability, and security of the Oracle Cloud environment. Drive the adoption of automation tools and scripts to streamline support processes and improve efficiency. Knowledge … Strong troubleshooting and analytical skills, with the ability to diagnose complex technical issues. Proficiency in scripting languages (e.g., SQL and Python). Experience with performance monitoring and tuning tools. Understanding of integration technologies ( OCI ) and APIs (e.g., REST, SOAP). Experience with ITIL processes and change management. Soft Skills More ❯

to-end Google Ads and Microsoft/Bing campaigns with monthly budgets exceeding £1m. Optimize shopping and search ads across multiple markets for maximum performance and relevance. Conduct keyword research and analysis to improve ROI. Performance Optimisation Continuously enhance ad copy, assets, and dynamic elements based on … performance metrics. Utilize Google Analytics and other tools to track, analyze, and drive conversions. Create actionable performance reports to refine future strategies. Strategy & Execution Develop and implement cutting-edge PPC strategies to drive business growth. Set up and launch search ad campaigns across a range of clients and … markets. Monitor campaign performance, identify areas for improvement, and make data-driven adjustments. Embrace a test-and-learn approach, documenting insights and outcomes for future campaigns. Stay ahead of the latest PPC trends and share industry insights. Support SEO efforts and assist with basic website updates. Analyze website traffic More ❯

Required Skills Excellent, concise communication skills - essential for collaborating with technical teams to shape observability outputs. Deep experience with Grafana dashboard creation, templating, and performance optimization. Strong understanding of PromQL, VictoriaMetrics, or VictoriaLogs query languages. Ability to interpret and map RESTful API data into observability pipelines and dashboards. Familiarity More ❯

requests per day, collaborating with cross-functional teams to design systems that meet business and regulatory requirements. You'll seek to continuously improve system performance and scalability, implement automated testing, CI/CD pipelines and document system workflows, architecture and design decisions. Location/WFH: You can work from … the time but must be commutable to the London office. About you: You have strong Java development experience including concurrency, garbage collection, low level performance optimisation, data structures and memory efficient design patterns You have experience with low latency systems, particularly OMS (Order Management Systems), EMS (Execution Management More ❯

for Fixed Income eTrading including Rates, Credit, and Bonds. You'll work closely with world-class technologists and domain experts to deliver scalable, high-performance UIs that support real-time trading and analytics. Key Responsibilities Design and develop responsive, low-latency front-end trading systems using React. Build dashboards … data and trade execution. Collaborate with traders, quants, and back-end engineers to deliver seamless UI experiences. Contribute to architectural decisions and front-end performance tuning. Required Skills & Experience Expertise in React.js and modern JavaScript (ES6+) Proven experience delivering front-end applications in electronic trading environments Strong understanding of … performance optimisation and low-latency UI design Experience with real-time data technologies (WebSockets, FIX, etc.) Familiarity with containerized front-end platforms such as OpenFin is a plus Prior exposure to Fixed Income products (Rates, Credit, Bonds) or other capital markets Experience in data visualisation, charting and grid More ❯

come first What you bring: 2+ years of hands-on experience with large relational databases (500K+ customers) Deep knowledge of relational database concepts and performance optimisation Strong SQL and Python skills Experience designing in cloud environments — ideally AWS A collaborative mindset and the ability to translate business needs More ❯

technical direction - choosing what’s right for now and what scales for the future Contribute meaningfully to product design, UI/UX discussions, and performance optimisation Help them build a culture of quality code, design thinking, and continuous improvement What we’re looking for: Significant experience in modern More ❯

of experience: 6+ Proven experience in WPF (Windows Presentation Foundation) development using C# and .NET. Strong understanding of MVVM architecture, data binding, and UI performance optimization. Experience with DevOps tools such as Azure DevOps, Git, Jenkins, or similar. Hands-on experience in automating build and deployment pipelines. Familiarity with More ❯

for seamless Salesforce integration with other systems. Technical Leadership: Leading technical design sessions and documenting technical solutions. Ensuring best practices in governance, security, and performance optimization. Mentoring and guiding development teams. Providing strategic oversight to ensure effective Salesforce implementation. Stakeholder Collaboration: Working closely with stakeholders to understand business needs More ❯

and brand priorities. Deliver end-to-end campaign execution across email and push channels, from brief to build. Run A/B testing and performance reviews to constantly improve conversion and engagement Collaborate cross-functionally with Product, Brand, and Commercial teams to maximise impact You Will Need Confidence with … CRM platforms and experience running multi-channel campaigns Strong planning and stakeholder management abilities Data-driven mindset with a track record of performance optimisation Solid working knowledge of HTML for editing campaign templates Creative yet commercially aware approach to messaging and content strategy Why You’ll Love It More ❯

Hybrid – London Contract until end of August 2025 (very likely to extend) We're hiring 2x ServiceNow Technical Architects to lead the design and performance optimisation of enterprise-scale ServiceNow implementations for a major client in London. Rate: £790/day IR35: Inside Location: Remote or hybrid (flexible … scalable, secure ServiceNow architecture and governance. Design and optimise new modules, custom apps, and integrations. Lead code reviews and enforce platform development standards. Tackle performance bottlenecks and improve platform health. Collaborate with BAs and Product Owners to deliver technically robust, demo-ready solutions. Provide strategic technical direction to development More ❯

and building robust backend services across Java, Python, and Rust-based systems Collaborating with product and platform teams to scale critical infrastructure Contributing to performance optimisation, secure coding, and clean architecture decisions Bringing in best practices across multiple programming paradigms and languages Ideally, supporting legacy Ruby codebases or More ❯

and building robust backend services across Java, Python, and Rust-based systems Collaborating with product and platform teams to scale critical infrastructure Contributing to performance optimisation, secure coding, and clean architecture decisions Bringing in best practices across multiple programming paradigms and languages Ideally, supporting legacy Ruby codebases or More ❯

working with the Sales team to ensure client satisfaction;; Responsible for campaign sales push and delivery: RFP coordination, client management, briefing stakeholders, ad operations & performance optimisation & reporting in relationship with the traffic and trading team; Creation and delivery of weekly campaign reports; Monitoring campaign delivery with traders; Project More ❯

Support integration of ETRM with upstream/downstream systems including market data, risk analytics, and settlements. Troubleshoot production issues and provide timely resolutions. Implement performance optimizations and ensure data accuracy across trade lifecycle processes. Participate in system upgrades, patching, and ETRM platform enhancements. Adhere to best practices in SDLC More ❯

functional. Oversee and support storage/backup environments, including NetBackup, Google Backup, and IBM Storage. Assist with day-to-day DLP activities, troubleshooting, and performance optimisation. Collaborate with the internal project team and key stakeholders to ensure the successful delivery of project milestones. Required Skills & Experience: Proven experience as More ❯

both application logic and AI/LLM components Proficiency in React.js, Next.js , tRPC , TypeScript , and Prisma Strong understanding of MySQL , including schema design and performance optimization Practical experience integrating with LLMs, including prompt design and API management Familiarity with orchestration tools such as LangChain or similar Ability to learn More ❯

architecture , including APIs, microservices, and third-party integrations. Technical Leadership: Guide engineering teams in implementing the architecture while ensuring best practices in software design, performance, and security. Define technology choices and architectural patterns to support the product roadmap. Conduct architecture reviews to ensure compliance with design principles and performance … architecture, and API-first design . Cloud Platforms: Deep knowledge of key cloud players AWS, Azure, and GCP , ensuring cloud-agnostic design principles. Scalability & Performance Optimization: Expertise in designing scalable, distributed, and high-availability systems. DevOps & CI/CD: Knowledge of Kubernetes, Docker, Terraform, Ansible , and other infrastructure automation More ❯

Terraform) Supporting deployments of PHP/Laravel applications in high-concurrency environments Working with Docker, Kubernetes, ECS or EKS Automating development workflows and driving performance optimisations Building out monitoring solutions, cost management strategies, and SOC2-compliant processes 🧠 Skills & Experience Needed 5+ years in a DevOps-focused role Strong cloud … background (AWS, Azure, or GCP) Proficiency in Terraform, Docker, Python or Bash scripting Solid experience with infrastructure performance, security, and scaling Comfortable in high-availability, fast-paced environments Understanding of SOC2 compliance within DevOps workflows If you're passionate about automation, performance, and scalable systems and love solving More ❯