26 to 50 of 120 Performance Engineering Jobs in England

We are seeking a Principal Engineer/Engineering Manager to lead one of the core engineering teams within Planning Agent , our AI-powered advertising planning platform used daily by IPG agency teams. You will help shape and grow a product with AI at its core, using agents to power an AI assistant advertising planners throughout their workflow. Youll … and implementing complex features, or more time on coaching, mentoring, and driving delivery. In all cases, youll conduct code reviews, contribute to high-impact features, and foster a high-performance engineering culture. This position reports to the VP, Software Engineering, Planning. It will be primarily remote, though you are also welcome to work in our London office. … Key Responsibilities: Shape the architecture and engineering design of the product and its interactions with other applications and services Lead by example in technical delivery and engineering best practices Work with the Product team and other Tech Leads to execute the roadmap and translate requirements into actionable engineering tasks Discuss technical solutions with the development team, communicate More ❯

Data Scientist, Machine Learning Engineer, ML Engineer, Data Science Engineer, High-Performance Engineering, Python, Data, Pandas, numpy, scikit-learn, pytorch - Oxford - up to 55K About the Role: Join an elite engineering organisation's Software Engineering & Data team, where you'll develop cutting-edge machine learning solutions that directly impact performance at the highest level of … competition. This is a unique opportunity to work alongside Software and Platform Engineers, tackling complex technical challenges from design and manufacture through to live performance analysis. You'll be responsible for proposing, developing, implementing, and maintaining ML-based solutions while collaborating closely with engineering teams across the business. Key Responsibilities: Propose, develop, and deploy machine learning solutions for … complex technical problems Communicate with engineering teams to analyse challenges and develop solutions Work autonomously to deliver results within tight schedules Maintain and improve existing data science pipelines Share knowledge and collaborate across the team Essential Requirements: BSc or MSc degree in a relevant field for Data Science 2+ years development experience in Python and machine learning techniques (production More ❯

As a Systems Performance Engineer, within one of our systems engineering teams, you will provide performance prediction and analysis expertise to major defence programmes, developing the latest Complex Weapons capabilities for the UK Armed Forces in response to advanced threats in all domains (Air, Land, Sea). Expect assignments across concept, assessment or demonstration phase contracts, covering … one of the MBDA product lines. System Performance is an essential part of the system design process and a key indicator as to whether the design is suitable. Salary : Circa £43,000 depending on experience Dynamic (hybrid) working : 5 days per week on-site due to workload classification Security Clearance : British Citizen Restrictions and/or limitations relating to … and UK Security Check (SC) clearance, which are managed by the MBDA Personnel Security Team. What we can offer you: Company bonus : Up to £2,500 (based on company performance and will vary year to year) Pension : maximum total (employer and employee) contribution of up to 14% Overtime: opportunity for paid overtime Flexi Leave: Up to 15 additional days More ❯

Lead SRE/Observability Engineering Lead - (Outside IR35 Contract/Remote) Location: Bristol/London HQ - Largely Remote (Occasional Travel) Day Rate: Outside IR35 - £650 to £750 p/d Duration: 3-6 Months Initial - with intention to extend Payment Terms: Monthly Our client is a FTSE100 Wealth/Asset Management firm seeking to engage a Lead SRE Engineer … instrumentation of their new Observability solution. This role will be critical in delivering against our Digital OKRs by embedding observability best practices, frameworks, and tooling across digital platforms and engineering teams. Key Responsibilities: Strategy & Roadmap: Define and drive the observability roadmap in alignment with business priorities and digital platform objectives. Champion observability-by-design standards across the Software Development … Lifecycle (SDLC). Reliability & Performance: Establish and manage SLIs, SLOs, and error budgets to track and improve system reliability. Support capacity and availability planning through real-time telemetry and predictive analytics. Instrumentation & Runbooks: Design and implement observability runbooks covering metrics, logs, traces, synthetics, and customer journey monitoring. Set standards for instrumentation, dashboards, alerting, and enable teams to self-serve More ❯

Lead SRE/Observability Engineering Lead - (Outside IR35 Contract/Remote) Location: Bristol/London HQ - Largely Remote (Occasional Travel) Day Rate: Outside IR35 - £650 to £750 p/d Duration: 3-6 Months Initial - with intention to extend Payment Terms: Monthly Our client is a FTSE100 Wealth/Asset Management firm seeking to engage a Lead SRE Engineer … instrumentation of their new Observability solution. This role will be critical in delivering against our Digital OKRs by embedding observability best practices, frameworks, and tooling across digital platforms and engineering teams. Key Responsibilities: Strategy & Roadmap: Define and drive the observability roadmap in alignment with business priorities and digital platform objectives. Champion observability-by-design standards across the Software Development … Lifecycle (SDLC). Reliability & Performance: Establish and manage SLIs, SLOs, and error budgets to track and improve system reliability. Support capacity and availability planning through real-time telemetry and predictive analytics. Instrumentation & Runbooks: Design and implement observability runbooks covering metrics, logs, traces, synthetics, and customer journey monitoring. Set standards for instrumentation, dashboards, alerting, and enable teams to self-serve More ❯

Software Engineering Manager/Software Team Lead Hybrid – Manchester We're working with a rapidly growing company seeking a hands-off Software Engineering Leader to guide and inspire a talented, multi-skilled engineering team. This is a fantastic opportunity to lead from the front, not by coding, but by setting vision, driving delivery, and fostering a high … performance engineering culture. You’ll be responsible for leading a team of exceptional engineers building slick, scalable digital consumer products using modern and complex technology stacks. The systems need to be resilient, high-performing, and elegant, supporting both customers and internal teams alike. What You’ll Be Doing: Leading a high-calibre team of senior software engineers. Driving … delivery, best practices, and engineering excellence. Championing modern development practices: TDD, automation, CI/CD, DevOps, and scalable architecture. Supporting the team’s growth, both technically and professionally. Influencing wider tech direction and fostering a strong engineering culture. What We’re Looking For: Proven experience in leading high-performing engineering teams. Solid technical background, ideally in software More ❯

to the platform, so you’ll be involved in building secure systems with strong authentication, encryption, and adherence to regulatory standards. Key Responsibilities: Act as a liaison between the Engineering team and Senior Management, communicating project status and technical challenges Assume a leadership role in the company, representing the Engineering team and promoting best practices in software development. … Feature development and evaluation of the tooling processes both in development and deployment alongside the Platform Engineering team. Help resolve complex software challenges and drive performance optimization. Provide technical direction and guidance to the development team, including code reviews, mentoring and ensuring the platform coding standards are being adhered to. Ensure that development processes and technologies are up … to Work With: Modern microservices architecture powering high-volume systems Containerisation using Docker and Kubernetes for scalable deployments Cloud-native platforms and automated CI/CD pipelines Real-time performance engineering and distributed computing challenges Secure development practices with a focus on system architecture and compliance. Contact Philip Boltt at Lorien Global for more information. More ❯

to the platform, so you’ll be involved in building secure systems with strong authentication, encryption, and adherence to regulatory standards. Key Responsibilities: Act as a liaison between the Engineering team and Senior Management, communicating project status and technical challenges Assume a leadership role in the company, representing the Engineering team and promoting best practices in software development. … Feature development and evaluation of the tooling processes both in development and deployment alongside the Platform Engineering team. Help resolve complex software challenges and drive performance optimization. Provide technical direction and guidance to the development team, including code reviews, mentoring and ensuring the platform coding standards are being adhered to. Ensure that development processes and technologies are up … to Work With: Modern microservices architecture powering high-volume systems Containerisation using Docker and Kubernetes for scalable deployments Cloud-native platforms and automated CI/CD pipelines Real-time performance engineering and distributed computing challenges Secure development practices with a focus on system architecture and compliance. Contact Philip Boltt at Lorien Global for more information. More ❯

to the platform, so you’ll be involved in building secure systems with strong authentication, encryption, and adherence to regulatory standards. Key Responsibilities: Act as a liaison between the Engineering team and Senior Management, communicating project status and technical challenges Assume a leadership role in the company, representing the Engineering team and promoting best practices in software development. … Feature development and evaluation of the tooling processes both in development and deployment alongside the Platform Engineering team. Help resolve complex software challenges and drive performance optimization. Provide technical direction and guidance to the development team, including code reviews, mentoring and ensuring the platform coding standards are being adhered to. Ensure that development processes and technologies are up … to Work With: Modern microservices architecture powering high-volume systems Containerisation using Docker and Kubernetes for scalable deployments Cloud-native platforms and automated CI/CD pipelines Real-time performance engineering and distributed computing challenges Secure development practices with a focus on system architecture and compliance. Contact Philip Boltt at Lorien Global for more information. More ❯

to the platform, so you'll be involved in building secure systems with strong authentication, encryption, and adherence to regulatory standards. Key Responsibilities: Act as a liaison between the Engineering team and Senior Management, communicating project status and technical challenges Assume a leadership role in the company, representing the Engineering team and promoting best practices in software development. … Feature development and evaluation of the tooling processes both in development and deployment alongside the Platform Engineering team. Help resolve complex software challenges and drive performance optimization. Provide technical direction and guidance to the development team, including code reviews, mentoring and ensuring the platform coding standards are being adhered to. Ensure that development processes and technologies are up … to Work With: Modern microservices architecture powering high-volume systems Containerisation using Docker and Kubernetes for scalable deployments Cloud-native platforms and automated CI/CD pipelines Real-time performance engineering and distributed computing challenges Secure development practices with a focus on system architecture and compliance. Contact Philip Boltt at Lorien Global for more information. IND_PC1 Carbon60 More ❯

impact and cost is fully understood. Setting and agreeing shared targets and business outcomes with stakeholders Assist with the creation of key artefacts; strategies, communication plans Operational stability and performance enhancements Continuous improvement in the face of changing objectives. Provide design guidelines and assistance to major projects Assist with the transformation strategy for the Billing Domain, including engineering … and design strategies in order to maximize revenue and minimize cost for business. Ensure that requirement compliancy to design is tracked through the project lifecycle through to deployment. Technical performance engineering - to design in-life performance improvements (availability, capacity, reliability, security) Build software engineering skills and best practice To make sure that deliverables support the required … business outcome at all points of consumption within a journey Make sure all component managers comply with requirements to address non-functional impacts e.g. performance and reliability. Make sure all critical systems have implemented an appropriate level of resilience, both local & geographic, that is regularly tested Main Interfaces: Work with relevant domain and solution architects and designers to agree More ❯

impact and cost is fully understood. Setting and agreeing shared targets and business outcomes with stakeholders Assist with the creation of key artefacts; strategies, communication plans Operational stability and performance enhancements Continuous improvement in the face of changing objectives. Provide design guidelines and assistance to major projects Assist with the transformation strategy for the Billing Domain, including engineering … and design strategies in order to maximize revenue and minimize cost for business. Ensure that requirement compliancy to design is tracked through the project lifecycle through to deployment. Technical performance engineering - to design in-life performance improvements (availability, capacity, reliability, security) Build software engineering skills and best practice To make sure that deliverables support the required … business outcome at all points of consumption within a journey Make sure all component managers comply with requirements to address non-functional impacts e.g. performance and reliability. Make sure all critical systems have implemented an appropriate level of resilience, both local & geographic, that is regularly tested Main Interfaces: Work with relevant domain and solution architects and designers to agree More ❯

impact and cost is fully understood. Setting and agreeing shared targets and business outcomes with stakeholders Assist with the creation of key artefacts; strategies, communication plans Operational stability and performance enhancements Continuous improvement in the face of changing objectives. Provide design guidelines and assistance to major projects Assist with the transformation strategy for the Billing Domain, including engineering … and design strategies in order to maximize revenue and minimize cost for business. Ensure that requirement compliancy to design is tracked through the project lifecycle through to deployment. Technical performance engineering - to design in-life performance improvements (availability, capacity, reliability, security) Build software engineering skills and best practice To make sure that deliverables support the required … business outcome at all points of consumption within a journey Make sure all component managers comply with requirements to address non-functional impacts e.g. performance and reliability. Make sure all critical systems have implemented an appropriate level of resilience, both local & geographic, that is regularly tested Main Interfaces: Work with relevant domain and solution architects and designers to agree More ❯

impact and cost is fully understood. Setting and agreeing shared targets and business outcomes with stakeholders Assist with the creation of key artefacts; strategies, communication plans Operational stability and performance enhancements Continuous improvement in the face of changing objectives. Provide design guidelines and assistance to major projects Assist with the transformation strategy for the Billing Domain, including engineering … and design strategies in order to maximize revenue and minimize cost for business. Ensure that requirement compliancy to design is tracked through the project lifecycle through to deployment. Technical performance engineering - to design in-life performance improvements (availability, capacity, reliability, security) Build software engineering skills and best practice To make sure that deliverables support the required … business outcome at all points of consumption within a journey Make sure all component managers comply with requirements to address non-functional impacts e.g. performance and reliability. Make sure all critical systems have implemented an appropriate level of resilience, both local & geographic, that is regularly tested Main Interfaces: Work with relevant domain and solution architects and designers to agree More ❯

Lead SRE/Observability Engineering Lead - (Outside IR35 Contract/Remote) Location: Bristol/London HQ – Largely Remote (Occasional Travel) Day Rate: Outside IR35 – £650 to £750 p/d Duration: 3-6 Months Initial – with intention to extend Payment Terms: Monthly Our client is a FTSE100 Wealth/Asset Management firm seeking to engage a Lead SRE Engineer … instrumentation of their new Observability solution. This role will be critical in delivering against our Digital OKRs by embedding observability best practices, frameworks, and tooling across digital platforms and engineering teams. Key Responsibilities: Strategy & Roadmap: Define and drive the observability roadmap in alignment with business priorities and digital platform objectives. Champion observability-by-design standards across the Software Development … Lifecycle (SDLC). Reliability & Performance: Establish and manage SLIs, SLOs, and error budgets to track and improve system reliability. Support capacity and availability planning through real-time telemetry and predictive analytics. Instrumentation & Runbooks: Design and implement observability runbooks covering metrics, logs, traces, synthetics, and customer journey monitoring. Set standards for instrumentation, dashboards, alerting, and enable teams to self-serve More ❯

Were working with a leading, technology-driven trading organisation with a global presence, seeking a Senior Software Engineer to join their innovative platform engineering team. This is an exceptional opportunity to work on cutting-edge systems that process data at scale, powering decision-making in fast-moving global markets. Our client is a diversified principal trading firm operating across … multiple asset classes, financial instruments, and emerging sectors. Key Skills & Experience 3+ years experience in platform-level software engineering Strong computer science fundamentals (degree or equivalent experience) Proven expertise in Java, Python, or other modern programming languages Experience working with large-scale, high-volume data systems Strong problem-solving and analytical skills Comfortable collaborating with distributed, global teams The … Role As part of a highly skilled engineering team, you will: Build tools to enable rapid market opportunities and enhance trading operations Partner closely with analysts, quants, and traders to understand their needs and deliver intuitive, self-service solutions Design and develop systems for large-scale data acquisition, processing, storage, and visualisation Contribute to a platform that consolidates technologies More ❯

We’re working with a leading, technology-driven trading organisation with a global presence, seeking a Senior Software Engineer to join their innovative platform engineering team. This is an exceptional opportunity to work on cutting-edge systems that process data at scale, powering decision-making in fast-moving global markets. Our client is a diversified principal trading firm operating … across multiple asset classes, financial instruments, and emerging sectors. Key Skills & Experience 3+ years’ experience in platform-level software engineering Strong computer science fundamentals (degree or equivalent experience) Proven expertise in Java, Python, or other modern programming languages Experience working with large-scale, high-volume data systems Strong problem-solving and analytical skills Comfortable collaborating with distributed, global teams … The Role As part of a highly skilled engineering team, you will: Build tools to enable rapid market opportunities and enhance trading operations Partner closely with analysts, quants, and traders to understand their needs and deliver intuitive, self-service solutions Design and develop systems for large-scale data acquisition, processing, storage, and visualisation Contribute to a platform that consolidates More ❯

We’re working with a leading, technology-driven trading organisation with a global presence, seeking a Senior Software Engineer to join their innovative platform engineering team. This is an exceptional opportunity to work on cutting-edge systems that process data at scale, powering decision-making in fast-moving global markets. Our client is a diversified principal trading firm operating … across multiple asset classes, financial instruments, and emerging sectors. Key Skills & Experience 3+ years’ experience in platform-level software engineering Strong computer science fundamentals (degree or equivalent experience) Proven expertise in Java, Python, or other modern programming languages Experience working with large-scale, high-volume data systems Strong problem-solving and analytical skills Comfortable collaborating with distributed, global teams … The Role As part of a highly skilled engineering team, you will: Build tools to enable rapid market opportunities and enhance trading operations Partner closely with analysts, quants, and traders to understand their needs and deliver intuitive, self-service solutions Design and develop systems for large-scale data acquisition, processing, storage, and visualisation Contribute to a platform that consolidates More ❯

We're working with a leading, technology-driven trading organisation with a global presence, seeking a Senior Software Engineer to join their innovative platform engineering team. This is an exceptional opportunity to work on cutting-edge systems that process data at scale, powering decision-making in fast-moving global markets. Our client is a diversified principal trading firm operating … across multiple asset classes, financial instruments, and emerging sectors. Key Skills & Experience 3+ years' experience in platform-level software engineering Strong computer science fundamentals (degree or equivalent experience) Proven expertise in Java, Python, or other modern programming languages Experience working with large-scale, high-volume data systems Strong problem-solving and analytical skills Comfortable collaborating with distributed, global teams … The Role As part of a highly skilled engineering team, you will: Build tools to enable rapid market opportunities and enhance trading operations Partner closely with analysts, quants, and traders to understand their needs and deliver intuitive, self-service solutions Design and develop systems for large-scale data acquisition, processing, storage, and visualisation Contribute to a platform that consolidates More ❯

We’re working with a leading, technology-driven trading organisation with a global presence, seeking a Senior Software Engineer to join their innovative platform engineering team. This is an exceptional opportunity to work on cutting-edge systems that process data at scale, powering decision-making in fast-moving global markets. Our client is a diversified principal trading firm operating … across multiple asset classes, financial instruments, and emerging sectors. Key Skills & Experience 3+ years’ experience in platform-level software engineering Strong computer science fundamentals (degree or equivalent experience) Proven expertise in Java, Python, or other modern programming languages Experience working with large-scale, high-volume data systems Strong problem-solving and analytical skills Comfortable collaborating with distributed, global teams … The Role As part of a highly skilled engineering team, you will: Build tools to enable rapid market opportunities and enhance trading operations Partner closely with analysts, quants, and traders to understand their needs and deliver intuitive, self-service solutions Design and develop systems for large-scale data acquisition, processing, storage, and visualisation Contribute to a platform that consolidates More ❯

We’re working with a leading, technology-driven trading organisation with a global presence, seeking a Senior Software Engineer to join their innovative platform engineering team. This is an exceptional opportunity to work on cutting-edge systems that process data at scale, powering decision-making in fast-moving global markets. Our client is a diversified principal trading firm operating … across multiple asset classes, financial instruments, and emerging sectors. Key Skills & Experience 3+ years’ experience in platform-level software engineering Strong computer science fundamentals (degree or equivalent experience) Proven expertise in Java, Python, or other modern programming languages Experience working with large-scale, high-volume data systems Strong problem-solving and analytical skills Comfortable collaborating with distributed, global teams … The Role As part of a highly skilled engineering team, you will: Build tools to enable rapid market opportunities and enhance trading operations Partner closely with analysts, quants, and traders to understand their needs and deliver intuitive, self-service solutions Design and develop systems for large-scale data acquisition, processing, storage, and visualisation Contribute to a platform that consolidates More ❯

an ambitious Head of Applications to lead their global Application Technology team across the UK, Singapore, and the US. This is a high-impact leadership role where youll shape engineering culture, drive technical excellence, and scale customer-facing SaaS systems used by some of the largest enterprises in the world. What youll be doing: Leading and growing a global … application engineering team , spanning backend and frontend systems Building critical SaaS capabilities for enterprise clients: account lifecycle, access control, notifications, logging, multi-tenancy, and more Partnering with local leads to ensure global alignment and consistent delivery standards Driving a high-performance engineering culture through structured reviews, coaching, and career development pathways Partnering with Product Design to deliver … robust enterprise workflows Tackling complex technical challenges across large-scale data pipelines, secure access, event-driven systems, and multi-tenant architectures Embedding Agile, DevOps, and best practices into the engineering organisation What theyre looking for: 10+ years of experience building and managing distributed engineering teams across multiple regions Proven track record as a global leader , managing local leads More ❯

Senior Python Engineer Salary: Pays up to £85,000 Location: London (2 Days in Office) Join a high-performance engineering team redefining how global systems fight fraud at scale, where you'll architect resilient solutions, shape technical direction, and mentor others to deliver mission-critical impact with performance, reliability, and simplicity. The Opportunity Step into a pivotal … role where your engineering expertise shapes the future of digital integrity. As a Senior Engineer, you'll design and deliver high-impact, cross-service features that power a cutting-edge platform used by global customers. You'll have the freedom to make architectural decisions, drive performance and reliability improvements, and mentor talented engineers across a collaborative, high-growth … ownership of designing, building, and operating scalable backend systems that power a global, data-driven platform. You'll lead the delivery of complex, cross-service features, shaping architecture, improving performance, and ensuring reliability across the stack. Collaboration is key as you work closely with Product, Data, and Design to translate ambitious ideas into resilient, production-ready solutions. You'll More ❯

Senior Python Engineer Salary: Pays up to £85,000 Location: London (2 Days in Office) Join a high-performance engineering team redefining how global systems fight fraud at scale, where you'll architect resilient solutions, shape technical direction, and mentor others to deliver mission-critical impact with performance, reliability, and simplicity. The Opportunity Step into a pivotal … role where your engineering expertise shapes the future of digital integrity. As a Senior Engineer, you'll design and deliver high-impact, cross-service features that power a cutting-edge platform used by global customers. You'll have the freedom to make architectural decisions, drive performance and reliability improvements, and mentor talented engineers across a collaborative, high-growth … ownership of designing, building, and operating scalable backend systems that power a global, data-driven platform. You'll lead the delivery of complex, cross-service features, shaping architecture, improving performance, and ensuring reliability across the stack. Collaboration is key as you work closely with Product, Data, and Design to translate ambitious ideas into resilient, production-ready solutions. You'll More ❯

to Work With: Modern microservices architecture powering high-volume systems Containerisation using Docker and Kubernetes for scalable deployments Cloud-native platforms and automated CI/CD pipelines Real-time performance engineering and distributed computing challenges Secure development practices with a focus on system architecture and compliance Key Responsibilities: Advocating TDD and solid development practices Providing technical leadership and … provide support What You'll Need: Experience working on large commercial systems Strong skills in C#, .NET Core, and Web APIs Database experience, working with both SQL and NoSQL Performance tuning and optimisation expertise Contact Philip Boltt at Lorien Global for more information. More ❯