Contract Linux Jobs in London

1 to 25 of 40 Contract Linux Jobs in London

Site Reliability Engineer

London, United Kingdom
JAM Recruitment Ltd
experience in any of the following areas would be advantageous: Software development in web technologies or OOP (e.g., Python, Java, etc.) Database tech: Oracle SQL, PostgreSQL, MongoDB Proficient with Linux/Windows command line (Bash, PowerShell) Monitoring: Grafana, Prometheus, ELK, Splunk Agile working and tooling (e.g., Jira, Confluence) Diagnosing and resolving complex system issues ITIL knowledge or exposure to IT More ❯
Employment Type: Contract
Rate: GBP 500 - 550 Daily
Posted:

Site Reliability Engineer

South West London, London, United Kingdom
JAM Recruitment Ltd
experience in any of the following areas would be advantageous: Software development in web technologies or OOP (e.g., Python, Java, etc.) Database tech: Oracle SQL, PostgreSQL, MongoDB Proficient with Linux/Windows command line (Bash, PowerShell) Monitoring: Grafana, Prometheus, ELK, Splunk Agile working and tooling (e.g., Jira, Confluence) Diagnosing and resolving complex system issues ITIL knowledge or exposure to IT More ❯
Employment Type: Contract
Rate: £500 - £550 per day + Umbrella, inside IR35
Posted:

AI Prompt Engineer - Future Talent

London, United Kingdom
Staffworx Limited
skills and experience with LangChain, Transformers, Hugging Face. Solid grasp of LLM behavior, prompt optimization, and data engineering. Familiarity with vector databases (FAISS, Pinecone, ChromaDB). Hands-on with Linux, Bash/Powershell scripting, cloud environments. Creative problem-solver with excellent communication and collaboration skills. Curious, adaptable, and passionate about staying at the edge of Generative AI. ?? Nice to Have More ❯
Employment Type: Contract
Posted:

Technical Architect

London, United Kingdom
CBSbutler Holdings Limited trading as CBSbutler
NSX-T (Geneve overlays, Edge Node config, DFW, NSX Federation). Security Architecture - Multi-tier secure environments (DMZs, CDS, Diodes/HAGs, AV - Trellix preferred). Operating Systems - Senior Linux (Ubuntu) & Windows (Server 2025, SQL 2022, AD, PKI, MECM). Application Platforms - Docker, CI/CD pipelines, secrets management, object storage (S3). EUC - Omnissa Horizon, UAGs, Zero/Thin More ❯
Employment Type: Contract
Rate: GBP 650 - 700 Daily
Posted:

Senior Java Developer

London, United Kingdom
Hybrid / WFH Options
Meritus
cross-functional teams, including developers, testers, and DevOps engineers. Support and enhance legacy systems currently in maintenance mode. Contribute to automated testing (C#) and infrastructure improvements (Docker, Ansible, Python, Linux). Required Skills: Proven experience with Java, Spring, Maven, Git, JUnit, and Web APIs (REST/JSON, XML/SOAP). Active SC clearance is essential. Strong background in complex More ❯
Employment Type: Contract
Rate: £550 - £650/day
Posted:

Senior Java Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Meritus Talent
cross-functional teams, including developers, testers, and DevOps engineers. Support and enhance legacy systems currently in maintenance mode. Contribute to automated testing (C#) and infrastructure improvements (Docker, Ansible, Python, Linux). Required Skills: Proven experience with Java, Spring, Maven, Git, JUnit, and Web APIs (REST/JSON, XML/SOAP). Active SC clearance is essential. Strong background in complex More ❯
Employment Type: Contractor
Rate: £550 - £650 per day
Posted:

Senior DevOps Engineer

London, United Kingdom
Hybrid / WFH Options
The Bridge IT Recruitment
and backups. Monitoring/Observability – Prometheus, Grafana, ELK, Datadog, with strong alerting/SLO design. AWS – expertise across EC2, VPC, S3, RDS, IAM, ALB/NLB, and cost optimisation. Linux – advanced administration, performance debugging, and security hardening. CI/CD & Automation – Jenkins, GitLab CI, or GitHub Actions, plus containerisation (Docker/Kubernetes) and GitOps practices. If this sounds of interest More ❯
Employment Type: Contract
Rate: £625 - £650/day
Posted:

Junior Technical Analyst

City of London, London, United Kingdom
Hybrid / WFH Options
Anson Mccade
deliverables. Skills & Experience Required: Minimum of 2 years' experience in an IT-focused role (e.g., systems administration, technical support, or similar). Foundational knowledge of Windows and/or Linux environments , cloud platforms (e.g., Azure, M365), and scripting (e.g., PowerShell). Strong problem-solving and analytical skills, with a proactive, learning-focused attitude. Relevant academic qualification in Computer Science , Information More ❯
Employment Type: Contract, Work From Home
Posted:

CLM IIB (Middleware) Developer

London, United Kingdom
Hybrid / WFH Options
Adecco
/ACE, IBM MQ, MQFTE API Connect/Azure API Management, Apache Kafka Java, Korn Shell, PERL, Ant, SQL, ESQL Oracle (10G/11i), PL/SQL UNIX/Linux/Windows experience Strong communication and problem-solving skills Desirable: Experience with financial services Knowledge of payment formats (SWIFT, NACHA, SEPA) Familiarity with testing tools (SOAP-UI, JUnit, MBTestClient) Please More ❯
Employment Type: Contract
Posted:

CLM IIB Middleware Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Adecco
/ACE, IBM MQ, MQFTE API Connect/Azure API Management, Apache Kafka Java, Korn Shell, PERL, Ant, SQL, ESQL Oracle (10G/11i), PL/SQL UNIX/Linux/Windows experience Strong communication and problem-solving skills Desirable: Experience with financial services Knowledge of payment formats (SWIFT, NACHA, SEPA) Familiarity with testing tools (SOAP-UI, JUnit, MBTestClient) Please More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

IT Analyst - Front Office Trading

London, South East, England, United Kingdom
Lorien
and communicate changes to global teams. Contribute to project delivery, documentation, and knowledge sharing across regions. Requirements: An interest EQD products, pricing, and algorithmic trading. Experience with Unix/Linux/Windows systems, Oracle SQL, IBM Websphere MQ, Tibco RV. Scripting skills (e.g., Python) and understanding of production processes. Proven experience or an interest in front-office trading environments. Excellent More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Contract Software Engineer - eDV Cleared

London, South East, England, United Kingdom
Searchability NS&D
of client systems. Take part in a 24/7 on-call rota supporting critical national systems. Required Skills & Experience Strong working knowledge of Java programming . Proficiency with Linux operating systems . Solid understanding of DevOps principles and agile delivery. Excellent problem-solving skills and a proactive, team-oriented approach. Confident client-facing communication skills. Desirable Skills & Experience Experience More ❯
Employment Type: Contractor
Rate: £600 - £800 per day
Posted:

Java Developer - Active SC

London, United Kingdom
Hays
containerizing applications for local and cloud environments Communication: Excellent communication skills to convey complex ideas effectivel Nice to have: JavaScript & ReactJS: Experience building or integrating with front-end applications Linux in a containerised environment Immediate availability If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now. More ❯
Employment Type: Contract
Rate: £600.0 - £640.0 per day + up to £640 pd (Inside IR35)
Posted:

Java Developer - Active SC

London, South East, England, United Kingdom
Hays Specialist Recruitment Limited
containerizing applications for local and cloud environments Communication: Excellent communication skills to convey complex ideas effectivel Nice to have: JavaScript & ReactJS: Experience building or integrating with front-end applications Linux in a containerised environment Immediate availability If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.If More ❯
Employment Type: Contractor
Rate: £600 - £640 per day
Posted:

Content Processing Technical Consultant - Developed Vetting

City of London, London, United Kingdom
PS Computer Services Ltd t/a Parker Shaw
Experience: C#/java, .NET Core Containerisation (Docker, Kubernetes, OpenShift) xUnit Agile working practices CI/CD tooling Scripting experience (Python, Perl, Bash, etc.) ELK (Elastic stack) JavaScript Cypress Linux experience Search engine technology (e.g., Elasticsearch) Big Data Technology experience (Hadoop, Spar k , Kafka, etc.) Microservice and cloud native architecture Desirable: Able to demonstrate experience of troubleshooting and diagnosis of More ❯
Employment Type: Contract
Rate: Up to £700 per day inside IR35
Posted:

C++ Developer – FX eTrading

London, United Kingdom
Ascendion
trading functionalities. Collaborate with other teams to implement robust, scalable, and efficient solutions. Required Skills and Experience: Minimum 6+ years of server-side development experience in C++, preferably on Linux/UNIX platforms. Strong understanding of C++ Standard Template Library (STL), data structures, and multi-threading. Proven experience in using design patterns and a strong grasp of software design principles. More ❯
Employment Type: Permanent, Contract
Posted:

Application Services Engineer - Trading - Low Latency

London, United Kingdom
Square One Resources
of FIX, market data, and order routing protocols in a trading environment. Exposure to observability platforms such as ITRS Geneos, Prometheus, Grafana, or custom telemetry stacks. Comfortable working across Linux systems, hybrid infrastructure, and global production environments. Excellent communication and reporting skills, with ability to translate technical data into actionable business insights. If you are interested in this opportunity, please More ❯
Employment Type: Contract
Rate: £500 - £550/day
Posted:

IDAM Engineer

London, South East, England, United Kingdom
Lorien
and maintain service integrity. Engage with external suppliers to ensure value and performance. Contribute to disaster recovery planning and testing. Skills & Experience: 3+ years administering Windows Server (2008-2019); Linux experience desirable. Strong PowerShell skills and automation experience. Familiarity with RSA, PKI, DNS/DHCP, and network protocols. Experience with Forefront/Microsoft Identity Manager. Excellent communication and stakeholder engagement More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Full Stack Developer - BACLJP

Bromley, London, United Kingdom
Adecco
actively in Agile practises, including pair programming and daily stand-ups. Share your expertise and collaborate with team members while maintaining a continuous integration workflow. Work comfortably in a Linux/Unix environment. What You Bring: Professional experience in developing web-based UI solutions with React JS. Proficiency in JVM languages, especially Scala or other functional programming languages. A solid More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

Full Stack Developer - BACLJP00012781

Bromley, London, United Kingdom
Adecco
actively in Agile practises, including pair programming and daily stand-ups. Share your expertise and collaborate with team members while maintaining a continuous integration workflow. Work comfortably in a Linux/Unix environment. What You Bring: Professional experience in developing web-based UI solutions with React JS. Proficiency in JVM languages, especially Scala or other functional programming languages. A solid More ❯
Employment Type: Contract
Posted:

Full Stack Developer - BACLJP00012781

Bromley, Kent, England, United Kingdom
Adecco
actively in Agile practises, including pair programming and daily stand-ups. Share your expertise and collaborate with team members while maintaining a continuous integration workflow. Work comfortably in a Linux/Unix environment. What You Bring: Professional experience in developing web-based UI solutions with React JS. Proficiency in JVM languages, especially Scala or other functional programming languages. A solid More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Axway API Developer

City of London, London, United Kingdom
Hybrid / WFH Options
Randstad Digital
s core products: Policy Studio, API Gateway, and API Manager. Key communication protocols: SFTP, HTTPS, SSL/TLS, and oAuth. Data and messaging formats: JSON, XML, SOAP, and REST. Linux scripting and environments. Using DevOps toolsets to automate testing and deployments. 6 months contract Inside IR35 - Remote Working - ?? £500 to £650 a day If you are an experienced professional with More ❯
Employment Type: Contract, Work From Home
Rate: £500 - £650 per day
Posted:

Axway API Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Randstad Technologies
s core products: Policy Studio, API Gateway, and API Manager. Key communication protocols: SFTP, HTTPS, SSL/TLS, and oAuth. Data and messaging formats: JSON, XML, SOAP, and REST. Linux scripting and environments. Using DevOps toolsets to automate testing and deployments. 6 months contract Inside IR35 - Remote Working - £500 to £650 a day If you are an experienced professional with More ❯
Employment Type: Contractor
Rate: £500 - £650 per day
Posted:

AI Platform Operation Manager

London, United Kingdom
WWT EMEA UK LIMITED
tools requirements for ML engineers and data scientists , and how to optimize the experience. Core Technical skills: System administration experience with OS's like RHEL/CentOS, Ubuntu, tuning Linux kernel Proficiency with Ansible, Nvidia and CUDA toolkits, Kubernetes, and container orchestration Understanding of automation, monitoring, and security with GPU as a service Preferred experience Experience supporting HPE PCAI or More ❯
Employment Type: Contract
Rate: Up to £775 per day
Posted:

Senior Software Engineer (Rust)

London, United Kingdom
Vantage Consulting
documentation to maintain high standards across the project lifecycle. Key Skills - Very experienced in professional software development, especially Rust - Proficiency in Python or similar higher level language - Experience with Linux-based development - Experience with inter-process communication protocols If you think you'd be a good fit, get in touch. More ❯
Employment Type: Contract
Rate: £50 - £60/hour
Posted:
Linux
London
10th Percentile
£364
25th Percentile
£445
Median
£568
75th Percentile
£688
90th Percentile
£788