1 to 25 of 27 Contract Performance Optimisation Jobs in England

Senior SAP BTP Integration Lead

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £700/day
security specialists, and functional leads to ensure integration patterns meet government data standards and security requirements. Championing best practices in error handling, monitoring, and performance optimisation, you will promote reusable artefacts and patterns across the programme. Effective stakeholder engagement and clear communication are essential, as you will regularly … regulated environments * Knowledge of SAP S/4HANA integration strategies * Familiarity with enterprise architecture frameworks and security standards * Experience with error handling, monitoring, and performance optimisation in enterprise integrations This is an exciting opportunity to contribute to a high-profile government programme, working with cutting-edge SAP technology ...

Data Engineer

Hiring Organisation
Experis
Location
Bath, Somerset, South West, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550 per day
translate complex requirements into technical data solutions Ensure data platforms meet security, accreditation, and information assurance standards Support data quality, lineage, monitoring, and performance optimisation Contribute to data architecture and platform evolution, including cloud and on-prem solutions Collaborate in Agile delivery teams (Scrum/SAFe environments) Required ...

Web GIS Lead

Hiring Organisation
Stackstudio Digital Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £300 to £400 per day
spatial indexing, database optimization, and schema design. Familiarity with cloud environments such as AWS, Azure, or equivalent platforms. Experience with infrastructure monitoring tools and performance optimization. Additional Competencies Strong problem-solving and analytical skills. Ability to work independently and manage multiple priorities. Experience supporting team members ...

OneStream Technology Lead/Developer

Hiring Organisation
Tria Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £650 per day
dimensions, workflows, and security models Build and enhance reports, dashboards, and analytic views Support and maintain data integrations, APIs, and connectors Ensure data integrity, performance optimisation, and adherence to best-practice governance Act as a technical lead, providing code reviews, documentation, and mentoring to other developers Support production ...

Senior Golang Engineer

Hiring Organisation
PCR Digital
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day Inside IR35
years of relevant industry experience Significant experience with Golang and Git/GitHub SCM Strong experience with coding techniques and standard methodologies for security, performance optimization, and ease-of-use Experience in utilisation and deployment of cloud technologies in AWS or GCP , experience in container technologies such as Docker … through analytics dashboards Passion for high-quality code, tests, CI/CD, documentation, and production services Track record of driving improvements in code quality, performance , etc. Experience leveraging ORMs to interact with databases efficiently Familiarity with Python, Java, Swift, C, C++ and/or Objective-C ; and JavaScript ...

KPI Developer

Hiring Organisation
Technical Staffing Resources Limited
Location
Leatherhead, Surrey, South East, United Kingdom
Employment Type
Contract
current service to new service. This went live October 2025 and there is now a multi-organisational Programme underway of hypercare, stabilisation and optimisation of platforms and services. Led by the senior team that mobilised the platform, KBR have in place a multi-disciplinary technology team deployed to deliver … Devops Agile Environment with differing skill levels. Experience of Implementing advanced DW techniques, including but not limited to SCD, index strategies, Dimensional Modelling, Performance Optimisation Able to communicate a technical solution to a wide audience of technical and non-technical colleagues and clients. Qualifications/Certifications Requirements Educational ...

API Developer - Golang/Python

Hiring Organisation
Talent Smart Limited
Location
Sheffield, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 575 Daily
impact within a major financial organisation, this could be a strong fit. Role Overview You'll be responsible for designing, building, and integrating high-performance APIs, with a strong focus on Golang (preferred) or Python . You'll also collaborate with Front End teams, contributing to web-facing components … seamless integration across internal and external systems Collaborate with cross-functional teams including Front End developers Contribute to architecture decisions and best practices Support performance optimisation and scalability initiatives Required Skills & Experience Strong experience with Golang (preferred) or Python Proven track record in API development (design, build, integration ...

Senior Android Developer

Hiring Organisation
Mpower Plus UK Ltd
Location
Bristol, Somerset, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Android SDK , along with UI design principles, design patterns, and industry best practices Experience with offline data storage , multi-threading, and application performance optimisation Familiarity with the Android open-source ecosystem , including commonly used libraries and tools for benchmarking and optimisation Proficient in Google's Android design ...

Contract Android Engineer - Central Government Project (Inside IR35)

Hiring Organisation
Morson Edge
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£450 - 500 per day
handling sensitive data Desirable Skills: Experience with modern Android architecture (e.g., MVVM, Clean Architecture) Familiarity with CI/CD pipelines and automated testing Performance optimisation and app scalability experience Experience working on high-traffic or mission-critical applications What You'll Bring: A strong focus on delivery ...

SC Cleared / Clearable Salesforce Marketing Cloud Developer

Hiring Organisation
Damia Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £700 per day, OTE
within Audience Builder and Contact Builder Develop and maintain Content Builder assets including emails, landing pages and dynamic content blocks Implement tracking, reporting and performance analytics using Marketing Cloud Intelligence (Datorama) and built-in analytics tools; experience with Marketing Analytics platforms is highly desirable Work with Marketing Cloud Advanced … Salesforce CRM data sync management Understanding of email compliance, GDPR, suppression and consent management requirements Experience with Marketing Cloud reporting, campaign analytics and performance optimisation Desirable Experience with Marketing Cloud Advanced (Personalization/Interaction Studio); real-time personalisation, web and email recommendations, Einstein features Familiarity with Marketing Cloud ...

Salesforce Marketing Cloud Developer

Hiring Organisation
Damia Group Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700/day Inside IR35
within Audience Builder and Contact Builder Develop and maintain Content Builder assets including emails, landing pages and dynamic content blocks Implement tracking, reporting and performance analytics using Marketing Cloud Intelligence (Datorama) and built-in analytics tools; experience with Marketing Analytics platforms is highly desirable Work with Marketing Cloud Advanced … Salesforce CRM data sync management Understanding of email compliance, GDPR, suppression and consent management requirements Experience with Marketing Cloud reporting, campaign analytics and performance optimisation Desirable Experience with Marketing Cloud Advanced (Personalization/Interaction Studio); real-time personalisation, web and email recommendations, Einstein features Familiarity with Marketing Cloud ...

BI Developer (Power BI, DAX & Data Modelling)

Hiring Organisation
Sanderson Recruitment
Location
Manchester, North West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £440 per day
Developer/Power BI Developer Strong experience in dimensional modelling (star schema design) Advanced Power BI & DAX skills (measures, time intelligence, performance optimisation) Hands-on experience building semantic models without a formal data warehouse layer Strong SQL skills for data analysis and troubleshooting Experience working with operational data ...

Prduct Owner

Hiring Organisation
COMXPS LTD
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £550 to £600 per day
with engineering teams Understanding of programming concepts, including data structures, algorithms, and software design patterns Knowledge of technical architecture, including system design, scalability, and performance optimisation Proven ability to work effectively with cross-functional teams, including engineering, commercial teams, and senior management Experience leading geographically distributed teams Experience ...

Salesforce Solution Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £525 per day
Salesforce architecture across enterprise programs Provide hands-on architectural guidance for Apex, Lightning Web Components (LWC), Flows, automation, security, and performance optimization Establish and enforce Salesforce architectural standards, design patterns, and best practices Review solution designs to ensure scalability, resilience, security, and maintainability Security & Data Architecture Define and enforce ...

SAP Developer

Hiring Organisation
Searchability (UK) Ltd
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550 per day
across systems Collaborate with cross-functional teams to deliver high-quality solutions Support integration across SAP and wider enterprise platforms Contribute to system improvements, performance optimisation, and ongoing enhancements TECH STACK/REQUIREMENTS Strong SAP development experience (e.g. ABAP, S/4HANA) Demonstrable experience with SAP Data Services … BODS) for ETL/data integration Exposure to SAP HANA database environments (data modelling, performance or database-level work) Experience working within enterprise-scale environments Experience delivering on large transformation or integration programmes Strong understanding of SAP architecture and system integration Ability to work independently and contribute quickly within ...

Rust Developer

Hiring Organisation
XPERT-CAREER LTD
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 per day
Rust Developer – Contract Opportunity Role Overview A leading technology-driven trading firm is seeking an experienced Rust Developer to join its high-performance engineering team. In this role, you will play a key part in designing, developing, and maintaining low-latency, mission-critical trading systems. This opportunity offers … fast-paced and intellectually stimulating environment where your work will have a direct impact on business performance. Key Responsibilities Develop and maintain high-performance trading applications using Rust Write clean, scalable, and well-tested code Collaborate closely with engineers, quantitative analysts, and operations teams to deliver reliable solutions Contribute ...

IOS Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£400 - £401 per day
Collaborating closely with Product, Design, Backend, QA, and DevOps teams to deliver new features and enhancements Troubleshooting and resolving issues to ensure optimal app performance, security, and quality Participating in code reviews, architecture discussions, and staying updated with the latest iOS technologies and Apple guidelines Managing your workload independently … Proven experience in building and maintaining iOS applications with Swift and/or Objective-C Strong understanding of iOS development best practices, security, and performance optimisation Excellent communication skills and the ability to work collaboratively across teams Ability to manage tasks independently and contribute to technical discussions Familiarity ...

Contract iOS Engineer - Central Government Project (Inside IR35)

Hiring Organisation
Morson Edge
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£450 - 500 per day
Strong understanding of secure coding practices and data protection considerations Desirable: Experience with CI/CD pipelines and automated testing for iOS Knowledge of performance optimisation and scalability in mobile apps Previous experience delivering services to large user bases What You'll Bring: A pragmatic, delivery-focused mindset ...

SC Cleared SAP UX Lead

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £550/day
high-quality, compliant user interfaces Desirable skills: * Knowledge of GDS design principles and standards * Experience with Fiori Elements and Fiori Launchpad configuration * Familiarity with performance optimisation for SAP Fiori apps * Previous involvement in digital transformation projects within the public sector This is an exciting opportunity to contribute ...

Data Engineer

Hiring Organisation
Sanderson Government and Defence
Location
Telford, Shropshire, West Midlands, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£450 - £500 per day
pipelines to support migration activities Develop and maintain automated solutions, including code creation and testing Perform complex data transformations using appropriate programming languages Ensure performance, scalability, and security of data solutions Essential Skills & Experience Strong hands-on experience with Denodo, including: Virtual Data Bases (VDBs) Performance optimisation ...

Freelance SRE/CDN Engineer

Hiring Organisation
Red - The Global SAP Solutions Provider
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
/Infrastructure Engineer with strong CDN experience for a short-term freelance assignment. You will support a fast-moving technical environment, focusing on reliability, performance, scalability, and CDN-related optimisation. Key requirements: Strong hands-on experience with CDN technologies such as Akamai, Cloudflare, Fastly, CloudFront or similar Solid background … Site Reliability Engineering, Infrastructure, Platform Engineering or DevOps Experience with performance optimisation, caching, traffic routing, edge delivery, DNS, monitoring and incident response Comfortable working in high-availability, production-critical environments Able to work 2-3 days per week on-site near London Freelance availability for an initial ...

Oracle Database Administrator

Hiring Organisation
Fuel Recruitment
Location
Reading, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 700 - 800 Daily
high-security public-sector environment. Your work may include: Install, configure, patch, and upgrade Oracle Database Manage backup/recovery (RMAN), monitoring, performance tuning, and DR. Administer users, roles, auditing, and security hardening. Support high-availability setups (RAC/Data Guard). Troubleshoot incidents and provide on-call support. … Strong Oracle DBA experience in secure or regulated environments. SQL/PLSQL expertise, Linux skills, and automation/Scripting exposure. Experience with RAC, ASM, performance optimisation, and secure configurations. Familiarity with public-sector security standards and operational controls. ...

IBM MQ Administrator - z/OS (Mainframe) Contract

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
Leeds, West Yorkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
queue managers, channels and configurations Perform production deployments, upgrades and migrations Troubleshoot complex MQ issues across mission-critical systems Maintain service stability, resilience and performance optimisation Work closely with stakeholders across mainframe and infrastructure teams Ensure adherence to governance, processes and security standards Participate in out of hours ...

Data Centre Architect

Hiring Organisation
Infoplus Technologies UK Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
teams to ensure design to run alignment. Reliability, Capacity & Resilience Design DC architectures for high availability, redundancy, DR, and fault tolerance. Support capacity planning, performance optimisation, and lifecycle management. Participate in failure analysis, RCA reviews, and corrective architecture enhancements. Ensure infrastructure designs minimise single points of failure. Operational ...

Compute Lead

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
months rolling Location: London (Hybrid) Inside IR35 Job description As the Compute & Cloud Leader, you will be responsible for the operation, stability, and optimisation of enterprise compute platforms, spanning Cloud (primarily Azure), Linux, AIX, Windows, VMware, and Red Hat environments. You will lead a team of outsourced specialists … configuration standards across all compute environments. * Manage lifecycle activities, including End-of-Life (EoX) planning, upgrades, and migrations. * Oversee platform monitoring, capacity management, and performance optimisation. * Implement standard operating procedures and ensure consistency across compute services. * Collaborate with engineering and architecture teams to influence design for operability. * Drive automation ...