26 to 37 of 37 Performance Tuning Jobs in the City of London

Mainframe Engineer

Hiring Organisation
Impellam Group
Location
City of London, London, United Kingdom
logging and alerting, DynamoDB for database management, and AWS Lambda for serverless compute tasks related to project workflows. Implement best practices for environment stability, performance tuning, and security compliance. Produce detailed technical documentation, status reports, and issue logs for ongoing support and knowledge sharing. Communicate effectively with cross ...

C++ Software Engineer

Hiring Organisation
Durlston Partners
Location
City of London, London, United Kingdom
London or has the right to work in London. You will be part of a highly collaborative, low-ego engineering culture that prioritises performance, innovation, and impact. Working alongside some of the brightest minds in quantitative trading and systems engineering, you will build and optimise ultra-low latency, high … throughput systems that operate at scale. Key Responsibilities: Design and implement high-performance C++ systems for low-latency trading Optimise existing code for speed and reliability under production workloads Collaborate closely with traders, researchers, and fellow engineers to develop scalable infrastructure Work across the full software lifecycle ...

Linux Systems Administrator Engineer Banking/Trading Fintech

Hiring Organisation
Stream Search Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
+ Office) £65K + package + bonus A leading Financial Exchange is seeking a Linux Systems Administrator Engineer to ensure the resilience and performance of critical trading platforms. What youll do: Provide 1st3rd line Linux support across virtual & on-prem systems Monitor live platforms, troubleshoot issues & manage alerts Maintain … collaborate across teams Mentor junior engineers & drive process improvements What youll bring: Strong Linux experience (RedHat/Rocky preferred) Solid troubleshooting, performance tuning & security knowledge Experience with monitoring tools (Nagios/SolarWinds) Bash scripting & GitLab experience AWS/SQL knowledge (nice to have) This is a senior, hands ...

Senior Backend Engineer (Python | AI | 3D Environments | £130,000)

Hiring Organisation
Paradigm Talent
Location
City of London, Greater London, UK
distributed systems for async processing, ML workflows, and asset pipelines. Own authentication, billing, and subscription systems — ensuring reliability and seamless user experience. Drive observability, performance tuning, and deployment automation across the stack. Collaborate closely with product, frontend, and ML teams to deliver features that delight and scale. ...

Solutions Architect

Hiring Organisation
HCLTech
Location
City of London, Greater London, UK
experience in Legacy Modernization programs Should be proficient at collaborating with cross functional teams Strong Background and experience in Data Ingestions, Transformation, Modeling and Performance tuning. Should have experience in designing and developing dashboards Strong Knowledge in Hadoop, Kafka, SQL/NoSQL Should have experience in creating roadmap ...

Rust Developer

Hiring Organisation
Intec Select Ltd
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 800 - 850 Daily
Contract 850/day Outside IR35 Role Overview: A leading technology-driven trading firm is looking for a Rust Developer to join their high-performance engineering team. You will play a key role in designing, building, and maintaining low-latency, mission-critical trading systems. The role offers the opportunity … This is a fast-paced, intellectually challenging environment where your work has a visible impact on the business. Key Responsibilities: Develop and maintain high-performance trading applications using Rust. Write clean, maintainable, and well-tested code. Collaborate closely with engineers, quants, and operations teams to deliver reliable solutions. Contribute ...

Dynamics 365 SME

Hiring Organisation
Tria
Location
City of London, London, United Kingdom
Employment Type
Permanent
alongside Product Owners, Business Analysts, and Tech Leads to validate solution approaches and shape backlog priorities Investigate and resolve functional and technical issues including performance, access, and data synchronisation problems Collaborate with Integration and Data teams on API connections, data mappings, and Dynamics workflows Contribute to platform governance, roadmap … have: Microsoft certifications (MB-210, PL-200, MB-910 or equivalent) Familiarity with ITIL, Agile delivery practices, or Dynamics ALM Experience with platform governance, performance tuning, or licensing management What's On Offer Salary up to £90,000 depending on experience Hybrid working - 2 -3 days per week ...

Sharepoint Engineer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
Graph. - Solid experience with C# and .NET Framework for backend and integration development. - Hands-on experience administering SharePoint on-prem environments, including patching, upgrades, performance tuning, and troubleshooting. Sharepoint Engineer In accordance with the Employment Agencies and Employment Businesses Regulations 2003, this position is advertised based upon ...

Back End Developer

Hiring Organisation
NearTech Search
Location
City of London, London, United Kingdom
rollout • Strengthen testing strategy across unit and integration layers • Improve data and integration workflows with observability and resilience • Optimise Postgres (RDS) and MongoDB performance, modelling and migrations The role requires... • Strong commercial experience with Node.js and TypeScript • Deep API design expertise, including versioning and backwards compatibility • Solid Postgres knowledge … querying, modelling and performance tuning • Clear communication of trade-offs and pragmatic architectural decisions • Independent delivery of reliable, production-grade systems This Backend Engineer (Full Stack, backend-leaning) role offers genuine ownership and influence in a business where engineering quality directly impacts customer trust. To apply please click ...

Alliance ProjectWise Lead

Hiring Organisation
BAM UK & Ireland
Location
City of London, London, United Kingdom
Employment Type
Permanent
Implement and maintain ProjectWise Managed Workspaces (Configuration Settings Blocks, imports, dynamic frameworks), align MicroStation/verticals configurations per contract, and troubleshoot workspace resolution issues. Performance & file transfer optimization: Configure/maintain Caching Servers and storage areas; tune Delta File Transfer, compression, streaming, and client caching for distributed teams. Standards … resolve managed workspace resolution/pathing issues. Security design: Simplify permission models, standardize role templates, and prevent inheritance conflicts across multiple client projects. Performance tuning: Deploy caching/storage areas, enable/tune DFT, compression, and streaming, and set client caching policies. Governance & documentation: Map ISO 19650 states ...

AI Architect

Hiring Organisation
Tata Consultancy Services
Location
City of London, London, United Kingdom
guardrails, frameworks, governance models, and safety controls. Design human-in-the-loop optimisation to balance autonomy, reliability, and performance. Own patterns for agent reliability, performance tuning, and failure handling. Build and sustain an AI-first engineering culture across full-stack, platform, and SRE teams. Act as the final … design principles. Design and govern enterprise-scale distributed systems with embedded AI capabilities. Architect and evolve agent orchestration platforms. Own observability, reliability, security, scalability, performance, and cost management (FinOps). Ensure platforms are production-ready, secure, auditable, and compliant. Partner with CTOs and senior leadership on AI architecture strategy ...

Managing Consultant - Endur Technical

Hiring Organisation
capSpire
Location
City of London, London, United Kingdom
interoperability. Oracle and MS SQL Server Database Management: Strong understanding of Oracle and MS SQL Server databases, including database design, administration, optimisation, and performance tuning. .NET C# and/or Java Development: Proficiency in .NET C# and Java development for building custom applications, modules, and integrations within the Endur … Deep understanding of various functional areas and relevant modules of Endur. Experience in conducting comprehensive testing and quality assurance activities to validate the functionality, performance, and reliability of Endur solutions. Worked as part of a cross-cultural/geographical team including flexibility to support multiple time zones when necessary. ...