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
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 ❯
to: Perform ongoing system maintenance, patching, and upgrades in coordination with change management procedures. Manage user access controls, including provisioning, de-provisioning, and access reviews. Monitor system health and performance; initiate health checks and proactively remediate issues. Respond to and resolve incidents and service requests in line with SLAs. Provide break/fix troubleshooting and root cause analysis across … runbooks, and support knowledge base articles. Track and report on improvement KPIs (e.g., ticket trends, patching success rates). Identify inefficiencies and propose automation or process changes. Monitor application performance and assist with capacity planning and tuning. Collaborate with infrastructure teams to support system scalability and optimization. Review, prepare, and implement approved changes following structured change control processes. Support … delivery teams and Information Security, Infrastructure. Track and report on application usage, adoption trends, and user engagement using analytics tools. Measure and report system uptime, availability, SLAs, and service performance trends. Partner with stakeholders to define and monitor adoption success criteria for newly implemented applications. Use telemetry and analytics to identify opportunities for user enablement and feature optimization. Ensure More ❯
to: Perform ongoing system maintenance, patching, and upgrades in coordination with change management procedures. Manage user access controls, including provisioning, de-provisioning, and access reviews. Monitor system health and performance; initiate health checks and proactively remediate issues. Respond to and resolve incidents and service requests in line with SLAs. Provide break/fix troubleshooting and root cause analysis across … runbooks, and support knowledge base articles. Track and report on improvement KPIs (e.g., ticket trends, patching success rates). Identify inefficiencies and propose automation or process changes. Monitor application performance and assist with capacity planning and tuning. Collaborate with infrastructure teams to support system scalability and optimization. Review, prepare, and implement approved changes following structured change control processes. Support … delivery teams and Information Security, Infrastructure. Track and report on application usage, adoption trends, and user engagement using analytics tools. Measure and report system uptime, availability, SLAs, and service performance trends. Partner with stakeholders to define and monitor adoption success criteria for newly implemented applications. Use telemetry and analytics to identify opportunities for user enablement and feature optimization. Ensure More ❯
to: Perform ongoing system maintenance, patching, and upgrades in coordination with change management procedures. Manage user access controls, including provisioning, de-provisioning, and access reviews. Monitor system health and performance; initiate health checks and proactively remediate issues. Respond to and resolve incidents and service requests in line with SLAs. Provide break/fix troubleshooting and root cause analysis across … runbooks, and support knowledge base articles. Track and report on improvement KPIs (e.g., ticket trends, patching success rates). Identify inefficiencies and propose automation or process changes. Monitor application performance and assist with capacity planning and tuning. Collaborate with infrastructure teams to support system scalability and optimization. Review, prepare, and implement approved changes following structured change control processes. Support … delivery teams and Information Security, Infrastructure. Track and report on application usage, adoption trends, and user engagement using analytics tools. Measure and report system uptime, availability, SLAs, and service performance trends. Partner with stakeholders to define and monitor adoption success criteria for newly implemented applications. Use telemetry and analytics to identify opportunities for user enablement and feature optimization. Ensure More ❯
london (city of london), south east england, united kingdom
Proskauer Rose LLP
to: Perform ongoing system maintenance, patching, and upgrades in coordination with change management procedures. Manage user access controls, including provisioning, de-provisioning, and access reviews. Monitor system health and performance; initiate health checks and proactively remediate issues. Respond to and resolve incidents and service requests in line with SLAs. Provide break/fix troubleshooting and root cause analysis across … runbooks, and support knowledge base articles. Track and report on improvement KPIs (e.g., ticket trends, patching success rates). Identify inefficiencies and propose automation or process changes. Monitor application performance and assist with capacity planning and tuning. Collaborate with infrastructure teams to support system scalability and optimization. Review, prepare, and implement approved changes following structured change control processes. Support … delivery teams and Information Security, Infrastructure. Track and report on application usage, adoption trends, and user engagement using analytics tools. Measure and report system uptime, availability, SLAs, and service performance trends. Partner with stakeholders to define and monitor adoption success criteria for newly implemented applications. Use telemetry and analytics to identify opportunities for user enablement and feature optimization. Ensure More ❯
our UK banking client team on an initial 6 month contract. The successful candidate will be responsible for diagnosing, troubleshooting, and resolving environment-related issues, ensuring high availability and performance of the project infrastructure (in datapower and AWS). This role requires a hands-on technical expert with a strong background in DataPower development, complemented by knowledge of AWS … cloud resources including CloudWatch for logging and alerting, DynamoDB for database management, and AWS Lambda for serverless compute tasks related to project workflows.- Implement best practices for environment stability, performancetuning, and security compliance.- Produce detailed technical documentation, status reports, and issue logs for ongoing support and knowledge sharing.- Communicate effectively with cross-functional teams including developers, infrastructure More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Salt Search
division. This is a permanent position based in London with a flexible hybrid working model. You'll be part of a high-performing team focused on delivering secure, high-performance, and scalable solutions to support institutional trading platforms. Key Responsibilities: Develop and maintain low-latency eFX trading systems using high-performance Java (e.g., lock-free, low-GC techniques … pricing and risk management capabilities. Required Skills & Experience: Strong expertise in core Java , including low-latency, high-throughput systems. Deep understanding of modern CPU architecture , cache optimization , and Linux performancetuning . In-depth experience with networking protocols such as TCP, UDP, Multicast, FIX. Familiarity with quantitative finance , algorithmic trading , and implementing controls in automated trading systems. Proven More ❯
time communication between UI and backend using HTTP, web sockets Understanding of Reactive programming paradigms (RxJS and NgRx) Strong experience in distributed applications and architecture Expertise in design, development, performancetuning, and troubleshooting UI applications Hands on experience with CICD pipelines using TeamCity, Jenkins in Cloud Native environments Familiarity in implementing styles based on UX designs Team player … receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as: 27 days annual leave (plus bank holidays) A discretionary annual performance related bonus Private Medical Care & Life Insurance Employee Assistance Program Pension Plan Paid Parental Leave Special discounts for employees, family, and friends Access to an array of learning and More ❯
C++ Engineer (GPU and Compute Architect focus) - HFT On behalf of a leading HFT firm, we are supporting the formation of a specialised performance engineering team focused on optimising the most compute-intensive R&D workloads. This role sits at the intersection of systems architecture, software engineering, and quantitative research, with a mandate to push the boundaries of throughput … latency, and resource efficiency across heterogeneous compute environments. This is an ideal opportunity for engineers with a background in GPU architecture , HPC systems , or semiconductor performancetuning to apply their expertise in one of the most latency-sensitive domains in tech. Core Responsibilities Architect and optimise distributed compute pipelines across CPU/GPU, memory, storage, and interconnects Profile … and tune performance of AI/ML, simulation, and research workloads across containerised environments Collaborate with Software and Infra teams to identify architectural bottlenecks and implement low-level improvements Evaluate and integrate HPC technologies to support scale-out and latency-sensitive workloads Required Skills 3 - 10 years of professional proficiency in Python and C++ Hands-on experience with GPU More ❯
C++ Engineer (GPU and Compute Architect focus) - HFT On behalf of a leading HFT firm, we are supporting the formation of a specialised performance engineering team focused on optimising the most compute-intensive R&D workloads. This role sits at the intersection of systems architecture, software engineering, and quantitative research, with a mandate to push the boundaries of throughput … latency, and resource efficiency across heterogeneous compute environments. This is an ideal opportunity for engineers with a background in GPU architecture , HPC systems , or semiconductor performancetuning to apply their expertise in one of the most latency-sensitive domains in tech. Core Responsibilities Architect and optimise distributed compute pipelines across CPU/GPU, memory, storage, and interconnects Profile … and tune performance of AI/ML, simulation, and research workloads across containerised environments Collaborate with Software and Infra teams to identify architectural bottlenecks and implement low-level improvements Evaluate and integrate HPC technologies to support scale-out and latency-sensitive workloads Required Skills 3 - 10 years of professional proficiency in Python and C++ Hands-on experience with GPU 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 ❯
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, 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 ❯
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 ❯
impact tools that enhance productivity and support the business. What You'll BringProven experience with Microsoft 365 and Power Platform (PowerApps, Power Automate, Dataverse).Strong SQL skills for querying, performancetuning, and data migration.Knowledge of API integrations, Azure DevOps, and Application Lifecycle Management.Excellent communication and stakeholder management skills. More ❯
more resilient and scalable BI framework What you'll need to succeed Strong experience with SSAS Cube technologies and multidimensional data models Advanced SQL skills, including query writing and performancetuning Ability to reverse-engineer and optimize Excel-based processes Excellent communication skills and a collaborative mindset Experience working with finance teams and understanding financial data flows Desirable More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Robert Half
their data requirements and support their work.* Collect, process, and transform datasets from various sources, ensuring data quality and integrity.* Optimise and maintain the organisation's Snowflake infrastructure, providing performancetuning, enhancements, and regular "MOT" checks.* Develop and maintain DBT pipelines, mainly on Snowflake, to enable efficient transformation and modelling of data.* Implement efficient data models and schemes More ❯
troubleshooting SQL/Azure/Databricks queries Expert knowledge and application of general and tool specific connectivity, data modeling, source data procurement strategies (Database, import/cached), security configuration, performancetuning, usage of right visuals, layout optimization, mobility, scripting and integrating advanced analytics Knowledge of upcoming trends in tools and technology Gas/Power Trading knowledge - Short-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 ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Robert Half
fuel AI and analytics initiatives. Partner closely with data scientists, analysts, and engineers to deliver clean, structured, and reliable data. Develop robust data transformations in Python and SQL, ensuring performance and accuracy. Work hands-on with Snowflake to model, optimise, and manage data flows. Continuously improve data engineering practices - from automation to observability. Bring ideas to the table: help … in data engineering or a similar role. Strong Python skills for data processing and pipeline development. Proven experience writing complex and efficient SQL. Hands-on Snowflake experience (data modelling, performancetuning, pipelines). Familiarity with orchestration tools (e.g., Airflow, dbt) is a plus. A solid understanding of data best practices, version control (Git), and CI/CD. Company More ❯
Integrate with quantitative pricing models, market data, and downstream systems. • Investigate and resolve production issues promptly, ensuring minimal impact on trading operations. • Participate in code reviews, regression testing, and performancetuning of trading workflows. • Contribute to continuous integration and delivery pipelines using GitHub and ArgoCD. • Support infrastructure deployment and troubleshooting within AWS. More Info STS Digital provides trading … fast-paced environment. We are seeking a proactive engineer who takes ownership of deliverables, works collaboratively across teams, and thrives in solving complex technical challenges that directly impact trading performance and client experience. Expected Qualifications • 3+ years’ experience in software engineering, ideally with C#. • Solid understanding of trading technology and API-driven systems. • Prior experience in financial markets, preferably More ❯
DataPower Developer to join our team to support project’s environment. The successful candidate will be responsible for diagnosing, troubleshooting, and resolving environment-related issues, ensuring high availability and performance of the project infrastructure (in datapower and AWS). This role requires a hands-on technical expert with a strong background in DataPower development, complemented by knowledge of AWS … cloud resources including CloudWatch for logging and alerting, DynamoDB for database management, and AWS Lambda for serverless compute tasks related to project workflows. Implement best practices for environment stability, performancetuning, and security compliance. Produce detailed technical documentation, status reports, and issue logs for ongoing support and knowledge sharing. Communicate effectively with cross-functional teams including developers, infrastructure More ❯
DataPower Developer to join our team to support project’s environment. The successful candidate will be responsible for diagnosing, troubleshooting, and resolving environment-related issues, ensuring high availability and performance of the project infrastructure (in datapower and AWS). This role requires a hands-on technical expert with a strong background in DataPower development, complemented by knowledge of AWS … cloud resources including CloudWatch for logging and alerting, DynamoDB for database management, and AWS Lambda for serverless compute tasks related to project workflows. Implement best practices for environment stability, performancetuning, and security compliance. Produce detailed technical documentation, status reports, and issue logs for ongoing support and knowledge sharing. Communicate effectively with cross-functional teams including developers, infrastructure More ❯
