City of London, London, United Kingdom Hybrid / WFH Options
The Curve Group
ll be responsible for: Investigating and resolving technical incidents, ensuring minimal downtime and effective root cause analysis Proactively maintaining and optimising applications, performing upgrades and configuration changes Monitoring system performance, defining service-level objectives, and addressing bottlenecks before they impact users Collaborating closely with engineering and business teams to drive operational excellence Enhancing processes, documentation, and tooling to support … looking for: Proven experience in an application support or support engineering role, within financial services ideally, or another regulated environment Strong knowledge of SRE principles, incident management, monitoring, and performancetuning Hands-on technical skills across a broad range of technologies, including: Microsoft: C#, VB, .NET Core, Azure, SQL Server, IIS, Windows Server Web: React, RESTful APIs, Docker More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
The Curve Group
ll be responsible for: Investigating and resolving technical incidents, ensuring minimal downtime and effective root cause analysis Proactively maintaining and optimising applications, performing upgrades and configuration changes Monitoring system performance, defining service-level objectives, and addressing bottlenecks before they impact users Collaborating closely with engineering and business teams to drive operational excellence Enhancing processes, documentation, and tooling to support … looking for: Proven experience in an application support or support engineering role, within financial services ideally, or another regulated environment Strong knowledge of SRE principles, incident management, monitoring, and performancetuning Hands-on technical skills across a broad range of technologies, including: Microsoft: C#, VB, .NET Core, Azure, SQL Server, IIS, Windows Server Web: React, RESTful APIs, Docker More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Montash
workflows. Experiment with new tools, technologies and approaches to support the organisation’s analytics and insights strategy. Provide ongoing support for data products, including incident management and defining key performance metrics. Collaborate on new data initiatives from the earliest stages, working across multiple technical teams to bring ideas to life. Contribute to proof-of-concept evaluations of emerging technologies … AWS QuickSight. Experience with open-source data stack tools like Airflow, DBT, Airbyte or similar. Strong grasp of software development best practices and CI/CD processes. Skilled in performancetuning, testing, and automation within data engineering environments. Excellent communication skills, with the ability to influence and collaborate effectively with stakeholders across teams. Why Join You’ll be More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Montash
workflows. Experiment with new tools, technologies and approaches to support the organisation’s analytics and insights strategy. Provide ongoing support for data products, including incident management and defining key performance metrics. Collaborate on new data initiatives from the earliest stages, working across multiple technical teams to bring ideas to life. Contribute to proof-of-concept evaluations of emerging technologies … AWS QuickSight. Experience with open-source data stack tools like Airflow, DBT, Airbyte or similar. Strong grasp of software development best practices and CI/CD processes. Skilled in performancetuning, testing, and automation within data engineering environments. Excellent communication skills, with the ability to influence and collaborate effectively with stakeholders across teams. Why Join You’ll be More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Ventula Consulting Limited
proficiency and at least 5 years of production experience with Go (Golang) . This role is centered on Go, and we require deep experience with its concurrency patterns and performance tuning. ? Strong, proven experience designing, building, and scaling high-availability RESTful APIs for mobile or web clients. ? Deep experience with distributed systems, microservices architecture, and event-driven patterns. ? Demonstrated More ❯
City of London, London, United Kingdom Hybrid / WFH Options
NonStop Consulting
Hybrid/On-site) Location: London, UK Type: Full-time | Permanent Salary: Competitive + equity + benefits Are you a seasoned Rust Engineer with a passion for building high-performance, reliable systems? We’re looking for an experienced Senior Rust Engineer to join our London team and take ownership of critical backend components that power our next-generation platform. … Mentor junior and mid-level engineers, sharing best practices in systems design and Rust development Collaborate with cross-functional teams to deliver scalable, secure, and fault-tolerant applications Drive performancetuning, code reviews, and architectural improvements across the stack What We’re Looking For 5–8+ years of professional software engineering experience 3–5+ years of hands-on … experience with Rust in production environments Strong understanding of systems programming , concurrency , networking , and low-level performance optimisation Experience with microservices , distributed systems , or blockchain technologies is highly desirable Familiarity with Linux systems , CI/CD pipelines , containerisation (Docker/Kubernetes) , and cloud infrastructure (AWS, GCP, or Azure) A pragmatic engineer who values clean code, testing, and long-term More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
NonStop Consulting
Hybrid/On-site) Location: London, UK Type: Full-time | Permanent Salary: Competitive + equity + benefits Are you a seasoned Rust Engineer with a passion for building high-performance, reliable systems? We’re looking for an experienced Senior Rust Engineer to join our London team and take ownership of critical backend components that power our next-generation platform. … Mentor junior and mid-level engineers, sharing best practices in systems design and Rust development Collaborate with cross-functional teams to deliver scalable, secure, and fault-tolerant applications Drive performancetuning, code reviews, and architectural improvements across the stack What We’re Looking For 5–8+ years of professional software engineering experience 3–5+ years of hands-on … experience with Rust in production environments Strong understanding of systems programming , concurrency , networking , and low-level performance optimisation Experience with microservices , distributed systems , or blockchain technologies is highly desirable Familiarity with Linux systems , CI/CD pipelines , containerisation (Docker/Kubernetes) , and cloud infrastructure (AWS, GCP, or Azure) A pragmatic engineer who values clean code, testing, and long-term More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Adecco
DMS). - Familiarity with 200+ OOTB integrations and strategies for custom integration in complex environments. Enterprise-Scale Deployments: - Expertise in multi-region, high-availability architectures, disaster recovery planning, and performancetuning for large-scale environments. Enterprise Engagement * Proven track record of supporting complex enterprise deals, including running technical workshops, delivering tailored demos, and managing proof-of-value (POV More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Techfellow Limited
world-leading quantitative trading firm in the search for an Experienced Software Developer/Engineer to join their OTC technology group in London. This team designs and develops high-performance trading platforms that span both OTC liquidity provision and on-venue execution, covering asset classes such as equities, FX, and crypto. Operating within a highly autonomous environment, the team … works closely with quants, risk and compliance stakeholders, and trading analysts to transform requirements into production-grade systems. With a focus on safety, performance, and velocity, this is a chance to contribute to the design of mission-critical infrastructure with a small, experienced group of engineers where impact is immediate and highly visible... Key Responsibilities Design, build, and maintain … quants, analysts, and compliance stakeholders to refine system requirements and deliver production-ready solutions Implement and optimise low-latency infrastructure, including network stack integration, thread-per-core architectures, and performancetuning Contribute to team-wide design discussions, code reviews, and continuous improvement initiatives Take ownership of projects across the full development lifecycle, from architecture through deployment and monitoring More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Techfellow Limited
world-leading quantitative trading firm in the search for an Experienced Software Developer/Engineer to join their OTC technology group in London. This team designs and develops high-performance trading platforms that span both OTC liquidity provision and on-venue execution, covering asset classes such as equities, FX, and crypto. Operating within a highly autonomous environment, the team … works closely with quants, risk and compliance stakeholders, and trading analysts to transform requirements into production-grade systems. With a focus on safety, performance, and velocity, this is a chance to contribute to the design of mission-critical infrastructure with a small, experienced group of engineers where impact is immediate and highly visible... Key Responsibilities Design, build, and maintain … quants, analysts, and compliance stakeholders to refine system requirements and deliver production-ready solutions Implement and optimise low-latency infrastructure, including network stack integration, thread-per-core architectures, and performancetuning Contribute to team-wide design discussions, code reviews, and continuous improvement initiatives Take ownership of projects across the full development lifecycle, from architecture through deployment and monitoring More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Paradigm Talent
integration between computation, data, and science. You should have Deep experience building and scaling backend systems and distributed applications . Strong coding skills in Python , with an understanding of performancetuning and concurrency. Hands-on experience with Kubernetes , AWS , and modern cloud infrastructure . Proficiency with databases — schema design, performance optimization, and analytics. Familiarity with REST APIs … security best practices. A disciplined engineering mindset — you think about reliability, maintainability, and long-term scalability. Nice-to-haves Experience with MLOps and model-serving infrastructure. Background in high-performance computing or large-scale scientific workloads. Expertise in data pipeline architecture and real-time streaming systems. Knowledge of scientific or biological computing environments . This is a rare opportunity More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Paradigm Talent
integration between computation, data, and science. You should have Deep experience building and scaling backend systems and distributed applications . Strong coding skills in Python , with an understanding of performancetuning and concurrency. Hands-on experience with Kubernetes , AWS , and modern cloud infrastructure . Proficiency with databases — schema design, performance optimization, and analytics. Familiarity with REST APIs … security best practices. A disciplined engineering mindset — you think about reliability, maintainability, and long-term scalability. Nice-to-haves Experience with MLOps and model-serving infrastructure. Background in high-performance computing or large-scale scientific workloads. Expertise in data pipeline architecture and real-time streaming systems. Knowledge of scientific or biological computing environments . This is a rare opportunity More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Paradigm Talent
desktop applications. Design and implement distributed systems for async processing, ML workflows, and asset pipelines. Own authentication, billing, and subscription systems — ensuring reliability and seamless user experience. Drive observability, performancetuning, and deployment automation across the stack. Collaborate closely with product, frontend, and ML teams to deliver features that delight and scale. You should have 5+ years of More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Paradigm Talent
desktop applications. Design and implement distributed systems for async processing, ML workflows, and asset pipelines. Own authentication, billing, and subscription systems — ensuring reliability and seamless user experience. Drive observability, performancetuning, and deployment automation across the stack. Collaborate closely with product, frontend, and ML teams to deliver features that delight and scale. You should have 5+ years of More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Radley James
leading global FX trading platform as a Java Engineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction processing, configuration management, and support for quantitative research and trading teams. Key Responsibilities: Develop scalable backend systems to support high … frequency FX trading Collaborate with quants and traders to deliver platform enhancements Drive performancetuning and solve low-level technical bottlenecks Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: Strong proficiency in core Java Exposure to JavaScript/TypeScript & HTML5 is a plus Deep understanding of data structures, algorithms, and performance optimization Familiar More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Radley James
leading global FX trading platform as a Java Engineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction processing, configuration management, and support for quantitative research and trading teams. Key Responsibilities: Develop scalable backend systems to support high … frequency FX trading Collaborate with quants and traders to deliver platform enhancements Drive performancetuning and solve low-level technical bottlenecks Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: Strong proficiency in core Java Exposure to JavaScript/TypeScript & HTML5 is a plus Deep understanding of data structures, algorithms, and performance optimization Familiar More ❯
perfect user experiences across iOS and Android devices Collaborate closely with design and backend teams to bring new features to life Take ownership of the full development lifecycle — from performance optimisation to app store deployment What we’re looking for: Strong commercial experience with React Native Proven track record shipping cross-platform apps (iOS + Android) Solid grasp of … mobile lifecycles, performancetuning, and deployments A passion for creating slick user experiences that delight customers Dabbled in Swift/Objective-C (iOS) or Kotlin/Java (Android) Thrived in product-driven, fast-paced environments What’s on offer: 🌍 100% remote flexibility — work from anywhere 💸 Up to £105k salary 🚤 The chance to work on luxury tech with global More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Venchr
perfect user experiences across iOS and Android devices Collaborate closely with design and backend teams to bring new features to life Take ownership of the full development lifecycle — from performance optimisation to app store deployment What we’re looking for: Strong commercial experience with React Native Proven track record shipping cross-platform apps (iOS + Android) Solid grasp of … mobile lifecycles, performancetuning, and deployments A passion for creating slick user experiences that delight customers Dabbled in Swift/Objective-C (iOS) or Kotlin/Java (Android) Thrived in product-driven, fast-paced environments What’s on offer: 🌍 100% remote flexibility — work from anywhere 💸 Up to £105k salary 🚤 The chance to work on luxury tech with global More ❯
Central London / West End, London, United Kingdom Hybrid / WFH Options
Venchr
perfect user experiences across iOS and Android devices Collaborate closely with design and backend teams to bring new features to life Take ownership of the full development lifecycle — from performance optimisation to app store deployment What we’re looking for: Strong commercial experience with React Native Proven track record shipping cross-platform apps (iOS + Android) Solid grasp of … mobile lifecycles, performancetuning, and deployments A passion for creating slick user experiences that delight customers Dabbled in Swift/Objective-C (iOS) or Kotlin/Java (Android) Thrived in product-driven, fast-paced environments What’s on offer: 🌍 100% remote flexibility — work from anywhere 💸 Up to £105k salary 🚤 The chance to work on luxury tech with global More ❯
platform app, built with a clean, scalable architecture and a product that’s already live and growing fast. You’ll be hands-on with everything from UI polish to performancetuning, and you’ll have a strong voice in architectural decisions, tooling, and release strategy. The team is small, sharp, and fully remote. Everyone here codes, cares, and More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Venchr
platform app, built with a clean, scalable architecture and a product that’s already live and growing fast. You’ll be hands-on with everything from UI polish to performancetuning, and you’ll have a strong voice in architectural decisions, tooling, and release strategy. The team is small, sharp, and fully remote. Everyone here codes, cares, and More ❯
Central London / West End, London, United Kingdom Hybrid / WFH Options
Venchr
platform app, built with a clean, scalable architecture and a product that’s already live and growing fast. You’ll be hands-on with everything from UI polish to performancetuning, and you’ll have a strong voice in architectural decisions, tooling, and release strategy. The team is small, sharp, and fully remote. Everyone here codes, cares, and More ❯