426 to 450 of 682 Performance Tuning Jobs

AI Engineer 4 (AI Foundations, VLM Customization)

Hiring Organisation
Capital One
Location
Mc Lean, Virginia, United States
Employment Type
Permanent
Salary
USD Annual
continuing to build world-class applied science and engineering teams to deliver our industry leading capabilities with breakthrough product experiences and scalable, high-performance AI infrastructure. At Capital One, you will help bring the transformative power of emerging AI capabilities to reimagine how we serve our customers and businesses … technologies such as AWS Ultraclusters, Huggingface, VectorDBs, PyTorch, and more. Invent and introduce state-of-the-art foundation model optimization techniques to improve the performance - scalability, cost, latency, throughput - of large scale production AI systems. Contribute to the technical vision and the long term roadmap of foundational AI systems ...

AI Engineer 4 (Vision model (VLM) customization experience)

Hiring Organisation
Capital One
Location
Mc Lean, Virginia, United States
Employment Type
Permanent
Salary
USD Annual
continuing to build world-class applied science and engineering teams to deliver our industry leading capabilities with breakthrough product experiences and scalable, high-performance AI infrastructure. At Capital One, you will help bring the transformative power of emerging AI capabilities to reimagine how we serve our customers and businesses … technologies such as AWS Ultraclusters, Huggingface, VectorDBs, PyTorch, and more. Invent and introduce state-of-the-art foundation model optimization techniques to improve the performance - scalability, cost, latency, throughput - of large scale production AI systems. Contribute to the technical vision and the long term roadmap of foundational AI systems ...

AI Engineer 4 (MLX)

Hiring Organisation
Capital One
Location
New York, United States
Employment Type
Permanent
Salary
USD Annual
continuing to build world-class applied science and engineering teams to deliver our industry leading capabilities with breakthrough product experiences and scalable, high-performance AI infrastructure. At Capital One, you will help bring the transformative power of emerging AI capabilities to reimagine how we serve our customers and businesses … technologies such as AWS Ultraclusters, Huggingface, VectorDBs, PyTorch, and more. Invent and introduce state-of-the-art foundation model optimization techniques to improve the performance - scalability, cost, latency, throughput - of large scale production AI systems. Contribute to the technical vision and the long term roadmap of foundational AI systems ...

AI Engineer 4 (AI Foundations)

Hiring Organisation
Capital One
Location
New York, United States
Employment Type
Permanent
Salary
USD Annual
continuing to build world-class applied science and engineering teams to deliver our industry leading capabilities with breakthrough product experiences and scalable, high-performance AI infrastructure. At Capital One, you will help bring the transformative power of emerging AI capabilities to reimagine how we serve our customers and businesses … technologies such as AWS Ultraclusters, Huggingface, VectorDBs, PyTorch, and more. Invent and introduce state-of-the-art foundation model optimization techniques to improve the performance - scalability, cost, latency, throughput - of large scale production AI systems. Contribute to the technical vision and the long term roadmap of foundational AI systems ...

AI Engineer 4 (Gen AI Platform Services: Agentic AI, Agent Guardrails, Agent Evaluation, Agent Memory)

Hiring Organisation
Capital One
Location
New York, United States
Employment Type
Permanent
Salary
USD Annual
continuing to build world-class applied science and engineering teams to deliver our industry leading capabilities with breakthrough product experiences and scalable, high-performance AI infrastructure. At Capital One, you will help bring the transformative power of emerging AI capabilities to reimagine how we serve our customers and businesses … technologies such as AWS Ultraclusters, Huggingface, VectorDBs, PyTorch, and more. Invent and introduce state-of-the-art foundation model optimization techniques to improve the performance - scalability, cost, latency, throughput - of large scale production AI systems. Contribute to the technical vision and the long term roadmap of foundational AI systems ...

AI Engineer 4 (AI Foundations, LLM Customization and Finetuning)

Hiring Organisation
Capital One
Location
New York, United States
Employment Type
Permanent
Salary
USD Annual
continuing to build world-class applied science and engineering teams to deliver our industry leading capabilities with breakthrough product experiences and scalable, high-performance AI infrastructure. At Capital One, you will help bring the transformative power of emerging AI capabilities to reimagine how we serve our customers and businesses … technologies such as AWS Ultraclusters, Huggingface, VectorDBs, PyTorch, and more. Invent and introduce state-of-the-art foundation model optimization techniques to improve the performance - scalability, cost, latency, throughput - of large scale production AI systems. Contribute to the technical vision and the long term roadmap of foundational AI systems ...

AI Engineer 4 (AI Foundations: LLM Customization, Finetuning, Reinforcement Learning)

Hiring Organisation
Capital One
Location
New York, United States
Employment Type
Permanent
Salary
USD Annual
continuing to build world-class applied science and engineering teams to deliver our industry leading capabilities with breakthrough product experiences and scalable, high-performance AI infrastructure. At Capital One, you will help bring the transformative power of emerging AI capabilities to reimagine how we serve our customers and businesses … technologies such as AWS Ultraclusters, Huggingface, VectorDBs, PyTorch, and more. Invent and introduce state-of-the-art foundation model optimization techniques to improve the performance - scalability, cost, latency, throughput - of large scale production AI systems. Contribute to the technical vision and the long term roadmap of foundational AI systems ...

AI Engineer 4 (MLX, Agentic AI, Gen AI platform Services)

Hiring Organisation
Capital One
Location
New York, United States
Employment Type
Permanent
Salary
USD Annual
continuing to build world-class applied science and engineering teams to deliver our industry leading capabilities with breakthrough product experiences and scalable, high-performance AI infrastructure. At Capital One, you will help bring the transformative power of emerging AI capabilities to reimagine how we serve our customers and businesses … technologies such as AWS Ultraclusters, Huggingface, VectorDBs, PyTorch, and more. Invent and introduce state-of-the-art foundation model optimization techniques to improve the performance - scalability, cost, latency, throughput - of large scale production AI systems. Contribute to the technical vision and the long term roadmap of foundational AI systems ...

AI Engineer 4 (MLX)

Hiring Organisation
Capital One
Location
Mc Lean, Virginia, United States
Employment Type
Permanent
Salary
USD Annual
continuing to build world-class applied science and engineering teams to deliver our industry leading capabilities with breakthrough product experiences and scalable, high-performance AI infrastructure. At Capital One, you will help bring the transformative power of emerging AI capabilities to reimagine how we serve our customers and businesses … technologies such as AWS Ultraclusters, Huggingface, VectorDBs, PyTorch, and more. Invent and introduce state-of-the-art foundation model optimization techniques to improve the performance - scalability, cost, latency, throughput - of large scale production AI systems. Contribute to the technical vision and the long term roadmap of foundational AI systems ...

AI Engineer 4 (AI Foundations)

Hiring Organisation
Capital One
Location
Mc Lean, Virginia, United States
Employment Type
Permanent
Salary
USD Annual
continuing to build world-class applied science and engineering teams to deliver our industry leading capabilities with breakthrough product experiences and scalable, high-performance AI infrastructure. At Capital One, you will help bring the transformative power of emerging AI capabilities to reimagine how we serve our customers and businesses … technologies such as AWS Ultraclusters, Huggingface, VectorDBs, PyTorch, and more. Invent and introduce state-of-the-art foundation model optimization techniques to improve the performance - scalability, cost, latency, throughput - of large scale production AI systems. Contribute to the technical vision and the long term roadmap of foundational AI systems ...

AI Engineer 4 (AI Foundations, LLM Customization and Finetuning)

Hiring Organisation
Capital One
Location
Mc Lean, Virginia, United States
Employment Type
Permanent
Salary
USD Annual
continuing to build world-class applied science and engineering teams to deliver our industry leading capabilities with breakthrough product experiences and scalable, high-performance AI infrastructure. At Capital One, you will help bring the transformative power of emerging AI capabilities to reimagine how we serve our customers and businesses … technologies such as AWS Ultraclusters, Huggingface, VectorDBs, PyTorch, and more. Invent and introduce state-of-the-art foundation model optimization techniques to improve the performance - scalability, cost, latency, throughput - of large scale production AI systems. Contribute to the technical vision and the long term roadmap of foundational AI systems ...

AI Engineer 4 (Gen AI Platform Services: Agentic AI, Agent Guardrails, Agent Evaluation, Agent Memory)

Hiring Organisation
Capital One
Location
Mc Lean, Virginia, United States
Employment Type
Permanent
Salary
USD Annual
continuing to build world-class applied science and engineering teams to deliver our industry leading capabilities with breakthrough product experiences and scalable, high-performance AI infrastructure. At Capital One, you will help bring the transformative power of emerging AI capabilities to reimagine how we serve our customers and businesses … technologies such as AWS Ultraclusters, Huggingface, VectorDBs, PyTorch, and more. Invent and introduce state-of-the-art foundation model optimization techniques to improve the performance - scalability, cost, latency, throughput - of large scale production AI systems. Contribute to the technical vision and the long term roadmap of foundational AI systems ...

AI Engineer 4 (MLX, Agentic AI, Gen AI platform Services)

Hiring Organisation
Capital One
Location
Mc Lean, Virginia, United States
Employment Type
Permanent
Salary
USD Annual
continuing to build world-class applied science and engineering teams to deliver our industry leading capabilities with breakthrough product experiences and scalable, high-performance AI infrastructure. At Capital One, you will help bring the transformative power of emerging AI capabilities to reimagine how we serve our customers and businesses … technologies such as AWS Ultraclusters, Huggingface, VectorDBs, PyTorch, and more. Invent and introduce state-of-the-art foundation model optimization techniques to improve the performance - scalability, cost, latency, throughput - of large scale production AI systems. Contribute to the technical vision and the long term roadmap of foundational AI systems ...

AI Engineer 4 (AI Foundations: LLM Customization, Finetuning, Reinforcement Learning)

Hiring Organisation
Capital One
Location
Mc Lean, Virginia, United States
Employment Type
Permanent
Salary
USD Annual
continuing to build world-class applied science and engineering teams to deliver our industry leading capabilities with breakthrough product experiences and scalable, high-performance AI infrastructure. At Capital One, you will help bring the transformative power of emerging AI capabilities to reimagine how we serve our customers and businesses … technologies such as AWS Ultraclusters, Huggingface, VectorDBs, PyTorch, and more. Invent and introduce state-of-the-art foundation model optimization techniques to improve the performance - scalability, cost, latency, throughput - of large scale production AI systems. Contribute to the technical vision and the long term roadmap of foundational AI systems ...

Senior Business Intelligence Analyst

Location
Slough, England, United Kingdom
within their sector and an increasing focus on data-driven decision making. Data sits at the heart of their strategy, supporting product development, commercial performance, and operational effectiveness. With a collaborative data team and continued investment in modern analytics platforms, they are building a scalable, governed, and future-focused … initiatives, and reporting standards Acting as an escalation point for complex reporting and data challenges Collaborating with Data Engineers on data architecture, modelling, and performance optimisation Contributing to a major cloud migration programme and the wider modernisation of the analytics ecosystem Your Skills & Experience Strong commercial experience with Tableau ...

AI Platform Support Engineer (EMEA)

Location
Greater London, England, United Kingdom
guide customers through complex distributed systems problems.The problems range from Kubernetes scheduling and GPU orchestration to distributed PyTorch failures, inference latency, networking bottlenecks, storage performance, and platform reliability. You’ll gain exposure to a wide variety of real world AI workloads across industries and help shape the infrastructure powering … isolate root causes Debug containerized workloads running across Kubernetes and bare metal GPU environments Support customers scaling workloads across multi node GPU systems Diagnose performance bottlenecks involving compute, memory, networking, or storage Improve Reliability & Platform Operations Identify recurring patterns across customer issues and drive long term reliability improvements Contribute ...

Database Engineer- NoSQL & Oracle

Hiring Organisation
Pracyva ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
£60000 - £65000/annum
/SQL, stored procedures, functions, and packages. Build and maintain scalable data models, integrations, and ETL processes supporting enterprise applications. Perform database performance tuning, query optimization, and troubleshooting to ensure reliability and scalability. Collaborate with application teams to deliver secure, high-quality, and efficient database solutions. NoSQL Design … develop, and maintain scalable NoSQL database solutions using MongoDB, Cassandra, Couchbase, or similar technologies. Build high-performance data models and APIs to support distributed and real-time applications. Optimize indexing, query performance, replication, and data availability across large-scale environments. Collaborate with engineering teams to implement secure, reliable ...

Senior Front Office Software Engineer

Hiring Organisation
CMC Markets
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform. This is a hands-on role at the core of our market-making technology stack, where nanoseconds matter and engineering excellence … critical. You’ll design and build ultra-low latency pricing and risk systems that directly power our global trading operations. If you thrive in performance critical environments and want your work to have real market impact, we would love to hear from you. Please note that this ...

Campaign Build Manager

Hiring Organisation
VodafoneThree
Location
Newbury, Berkshire, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
merge policies, and identity configurations to enable accurate data capture and segmentation Integrating AEP with external systems using APIs and other methods to ensure performance, scalability, and efficiency Monitoring and optimising data flows through testing, analytics, and performance tuning Acting as a trusted advisor to stakeholders-challenging ...

Principal Software Engineer

Location
Waterbeach, England, United Kingdom
looking for a Principal Software Engineer to join the team. This role is central to ensuring the reliability, performance, and scalability of systems vital for public safety and essential services. You will act as a technical leader, mentoring other engineers and driving best practices across the development lifecycle. … Responsibilities Lead the architecture, design, and implementation of high-performance, resilient, and secure communication systems using C#/.NET. Develop robust, low‐latency applications that handle high-volume data traffic (e.g., messaging queues, real‐time data processing). Drive technical vision and strategy for the platform, ensuring alignment with ...

Senior Low-Latency Java Engineer - London

Location
City Of London, England, United Kingdom
technology operates at serious scale, with response times in the 10-100 microsecond range. We're looking for experience in: Modern Java and JVM performance optimisation Low-latency algorithmic trading systems Market data and back-testing/simulation tools Linux internals, system calls and kernel tuning TCP/… kernel-bypass technologies Event-driven or event-sourcing microservices Performance analysis and targeted optimisation Experience with KDB, Rust or C++ would be highly advantageous. London - hybrid working, with up to two days from home £Excellent basic plus strong bonus potential This is an excellent opportunity for someone who remains ...

Full Stack Software Engineer III - Java

Hiring Organisation
JP Morgan Chase
Location
London, UK
Employment Type
Full-time
code, and improving services built on microservices, Kafka/event-driven patterns, and CI/CD pipelines. You will troubleshoot complex production issues, drive performance and resiliency improvements, and automate recurring problems to strengthen operational stability. This role offers the opportunity to grow your technical influence, explore … scalable software that addresses ambiguous, multi-dimensional problemsOwn end-to-end engineering outcomes across design, build, test, release, and operate phases — ensuring security, resiliency, performance, and maintainability in productionSet a high bar for code quality by authoring secure production code, leading code reviews, and debugging complex cross-service issues ...

Software Engineer III - Fullstack (Java, React, Python and AI) Engineer

Hiring Organisation
JP Morgan Chase
Location
London, UK
Employment Type
Full-time
with product, marketing, and partners to translate requirements into well-designed technical solutionsImprove engineering excellence through code reviews, test automation, CI/CD, observability, performance tuning, and operational best practicesEnsure solutions meet security, privacy, and compliance expectations including consent management, data minimization, and access controlsRequired Qualifications, Capabilities … work environment (e.g., for coding, test creation, troubleshooting, or documentation) with demonstrated ability to critically evaluate, validate, and refine AI-generated outputs for correctness, performance, and security. Understanding of responsible AI use in engineering workflows, including data sensitivity considerations, secure handling of inputs/outputs, and adherence to resiliency ...

Senior Database Administrator (DBA)

Hiring Organisation
Barts Health NHS Trust
Location
London, E1 2BL, United Kingdom
Salary
£66274.00 to £73496.00
Team. In this role, you will be responsible for maintaining, configuring, optimising, and developing the Trust's database infrastructure. You will ensure the availability, performance, integrity, and security of all databases across the organisation. The ideal candidate will have strong experience in SQL Server database administration , including performance tuning, troubleshooting, maintenance, and database design. Experience with virtualisation technologies and their configuration is also essential. Proposed interview date 10/07/2026 Main duties of the job Review, develop, and promote efficiency and stability across the Relational Database Management (RDBMS) environment , ensuring databases are secure ...

Senior Lead Software Engineer - Python, AI & LLM

Location
Glasgow, Scotland, United Kingdom
reliable inference foundations that help engineering teams move faster with confidence. You’ll work hands‐on with modern large language model serving stacks and performance tuning, while partnering closely with platform and product stakeholders. If you enjoy solving deep systems problems and enabling others through great developer experience … equivalent systems Drive Kubernetes‐based deployment patterns, scaling strategies, networking approaches, and troubleshooting practices to support reliable platform operations Optimize inference performance by applying a strong understanding of GPU memory behavior, including key‐value cache sizing, memory bandwidth trade‐offs, and compute bottlenecks Evaluate and apply inference‐time quantization ...