Contract Python Developer Jobs in London

13 of 13 Contract Python Developer Jobs in London

Python Developer - Data Retrieval

North London, London, England, United Kingdom
ADLIB
Python Developer - Data Retrieval. Up to £425 p/day – “Outside IR35”. 3 Weeks – Remote (from the UK). 3 week contract opportunity, for a Python Developer with significant experience of working with data retrieval - an excellent opportunity to develop your skills with PostHog and Prefect. What you’ll be doing Working between your UK … based home office – The work involves writing Python code in order to retrieve data - experience with PostHog & Prefect is not essential but is desirable. What experience you’ll need to apply for this role Python Developer (Mid-Senior). Data Retrieval(Expert). Digital Agency Experience (Essential). What you’ll get in return for your experience More ❯
Employment Type: Contractor
Rate: £400 - £425 per day
Posted:

Senior Python Developer

London, United Kingdom
Pontoon
Senior Python Developer** (Contract) Duration: 3 Months (Possibility for extension) Location: Remote (Occasional travel to London as and when required) Rate: A highly competitive Umbrella Day Rate is available for suitable candidates Role Profile We are seeking a highly skilled Senior Python Developer with senior-level expertise to join our dynamic team. Your primary focus will … our AI assets. Stay abreast of emerging AI technologies, including LLMs, agentic architectures, and application integrations. Skills & Experience: Proven expertise in full stack development with a strong focus on Python (backend) and React (frontend). In-depth knowledge of Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), and related AI/ML concepts. Demonstrated ability to design scalable, reliable … Strong team collaboration skills, with a proactive approach to problem-solving. Hands-on expertise with LangChain. Experience with AI model deployment and optimization strategies. Technical Expertise Required: Proficient in Python Experienced with REACT.js Familiar with Node.js Knowledge of Docker Understanding of LangChain Experience with cloud platforms such as Amazon Web Services (AWS) or Azure Familiarity with LLMs and RAG More ❯
Employment Type: Contract
Rate: £700 - £750/day
Posted:

Senior Python Developer

London, South East, England, United Kingdom
Pontoon
Senior Python Developer** (Contract) Duration: 3 Months (Possibility for extension) Location: Remote (Occasional travel to London as and when required) Rate: A highly competitive Umbrella Day Rate is available for suitable candidates Role Profile We are seeking a highly skilled Senior Python Developer with senior-level expertise to join our dynamic team. Your primary focus will … our AI assets. Stay abreast of emerging AI technologies, including LLMs, agentic architectures, and application integrations. Skills & Experience: Proven expertise in full stack development with a strong focus on Python (backend) and React (frontend). In-depth knowledge of Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), and related AI/ML concepts. Demonstrated ability to design scalable, reliable … Strong team collaboration skills, with a proactive approach to problem-solving. Hands-on expertise with LangChain. Experience with AI model deployment and optimization strategies. Technical Expertise Required: Proficient in Python Experienced with REACT.js Familiar with Node.js Knowledge of Docker Understanding of LangChain Experience with cloud platforms such as Amazon Web Services (AWS) or Azure Familiarity with LLMs and RAG More ❯
Employment Type: Contractor
Rate: £700 - £750 per day
Posted:

Senior Software Developer - Python

London, United Kingdom
TXP
Senior Software Developer - Python 12-Month Contract Inside IR35 Role Details Location: London or Manchester (2 days/week onsite + monthly team rotation) Duration: 12 months Clearance: BPSS to start; active SC required due to timsecale of the project Team: 10 direct reports, part of a 60+ programme Experience: 4+ years Essential Skills Technical: Strong Python … high-quality, well-documented code Ownership of the full development process Collaborative working with user-centered design (UCD) teams Thrives in small, agile, multi-disciplinary teams Key Responsibilities: Develop Python-based applications and data services Build and maintain APIs and open data platforms Ensure code is of high quality and well-documented Work closely with UCD teams and technical … experts in an agile environment What We're Looking For: Senior Python developer with strong focus on code quality Experience working with data services Comfortable working in small, agile teams and collaborating with UCD teams More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

Senior Software Developer - Python

London, South East, England, United Kingdom
TXP Technology x People
Senior Software Developer - Python 12-Month Contract Inside IR35 Role Details Location: London or Manchester (2 days/week onsite + monthly team rotation) Duration: 12 months Clearance: BPSS to start; active SC required due to timsecale of the project Team: 10 direct reports, part of a 60+ programme Experience: 4+ years Essential Skills Technical: Strong Python … high-quality, well-documented code Ownership of the full development process Collaborative working with user-centered design (UCD) teams Thrives in small, agile, multi-disciplinary teams Key Responsibilities: Develop Python-based applications and data services Build and maintain APIs and open data platforms Ensure code is of high quality and well-documented Work closely with UCD teams and technical … experts in an agile environment What We're Looking For: Senior Python developer with strong focus on code quality Experience working with data services Comfortable working in small, agile teams and collaborating with UCD teams More ❯
Employment Type: Contractor
Rate: £0 per annum
Posted:

Python RAD Developer - Cross Assets Trading

London, United Kingdom
Vertus Partners
Python Developer - Cross-Asset Front Office RAD Team We are currently recruiting a Python Developer to join the Cross-Asset trading RAD team for one of our leading financial clients. In this role, you'll work directly with traders, sales, and quantitative analysts to design and deliver high impact tools and applications supporting multiple asset classes … on position focused on building rapid, practical solutions that enhance trading and risk management activities. You'll be involved in developing Real Time dashboards, pricing and trading tools, leveraging Python and modern development practices to drive performance and efficiency. Key Responsibilities Partner closely with trading and sales teams to capture requirements and deliver rapid, fit for purpose solutions. Design … develop, and maintain Python based RAD tools for trade capture, risk management, and analytics. Integrate with pricing engines, market data feeds, and trade booking systems across multiple asset classes (FX, Rates, Credit, Equities). Develop user interfaces and dashboards to visualise market and risk data effectively. Ensure all solutions are robust, scalable, and compliant with IT and regulatory standards. More ❯
Employment Type: Contract
Rate: GBP Daily
Posted:

AI Software Developer Python, JavaScript, ML

London, South East, England, United Kingdom
Salt Search
AI Software Developer (Python, JavaScript, ML) - London/Hybrid Day rate: £500 - £800 (inside IR35) Duration: 6 - 12 months Start: ASAP Hybrid: 3 days on site per week My client is looking for a Software Developer with AI, Python and JavaScript experience to join on a contract basis. As a Software Developer - AI, you will … of Gen AI driven software solutions, working within a dynamic team to enhance our digital products. You will be responsible for writing clean, efficient, and maintainable code, primarily in Python and JavaScript, while contributing to the successful deployment of Gen AI technologies that directly impact the company's customer experience (CX) vision. You will collaborate closely with other software … a primary focus on coding, testing, and deploying AI solutions in a fast-paced, agile environment. Responsibilities: Code Development and Testing Write, test, and maintain clean, efficient code in Python and JavaScript. Develop and implement Gen AI powered experiences or services in alignment with business and product requirements. Participate in code reviews to ensure high-quality and consistent coding More ❯
Employment Type: Contractor
Rate: £500 - £800 per day
Posted:

Python Developer AWS / Maintenance / SFIA 4-5 - London

London, South East, England, United Kingdom
Salt Search
Python Developer (AWS/Maintenance/SFIA 4-5) - London Daily rate: £450 - £550 (inside IR35)Duration: 4 months Location: Remote (occasional meetings) My client is looking for a skilled Python 3 Developer to join our team on a freelance basis. You'll be working across a range of products deployed in AWS, helping maintain, secure … improve existing systems. This role suits someone who's proactive, detail-oriented, and comfortable owning their work with minimal supervision. Key Responsibilities Work across multiple products and services using Python 3. Keep run books and deployment documentation up to date. Perform deployments and security updates in a timely manner. Pick up backlog items proactively as prioritised by the squad. … and run books. Maintain and improve product stability, security, and performance. Escalate genuine issues proactively while maintaining a self-sufficient approach after onboarding. Required Skills & Experience Strong proficiency in Python 3. Experience working on AWS-deployed products. Familiarity with software maintenance, deployments, and security updates. Excellent written communication skills for technical documentation and release notes. Proactive and independent work More ❯
Employment Type: Contractor
Rate: £450 - £550 per day
Posted:

Backend Python Developer

London, United Kingdom
Hybrid / WFH Options
Adecco
/ML solutions aimed at transforming healthcare. This is a 6-month contract , inside IR35 , offering hybrid working (3 days onsite). Key Responsibilities Develop robust backend systems for Python-based web applications Integrate AI/ML components with data, infrastructure, and frontend systems Deliver high-quality, well-documented, and thoroughly tested code Monitor and enhance performance of tools … and services Collaborate across technical teams to build end-to-end data pipelines Essential Skills Proven experience in Python backend development (e.g. FastAPI) Strong cloud-native development skills, ideally with Google Cloud Familiarity with DevOps practices, automated testing (e.g. pytest), and agile methodologies Passion for healthcare innovation and continuous learning Bonus: Background in biological sciences or pharmaceutical industry Preferred More ❯
Employment Type: Contract
Posted:

Backend Python Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Adecco
/ML solutions aimed at transforming healthcare. This is a 6-month contract , inside IR35 , offering hybrid working (3 days onsite). Key Responsibilities Develop robust backend systems for Python-based web applications Integrate AI/ML components with data, infrastructure, and frontend systems Deliver high-quality, well-documented, and thoroughly tested code Monitor and enhance performance of tools … and services Collaborate across technical teams to build end-to-end data pipelines Essential Skills Proven experience in Python backend development (e.g. FastAPI) Strong cloud-native development skills, ideally with Google Cloud Familiarity with DevOps practices, automated testing (e.g. pytest), and agile methodologies Passion for healthcare innovation and continuous learning Bonus: Background in biological sciences or pharmaceutical industry Preferred More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Senior Java Developer Python

London, South East, England, United Kingdom
Lorien
days a week in the office, mandatory on Thursdays) Experience: Minimum 8-10 years Technical Skills: Proficiency in Java 8 (transitioning to Java 17) Retail banking experince Python Experience with Spring Boot 2.4 and above Knowledge of Continuous Integration Apigee Java Testing API experience If all the above skills match your profile, please don't hesitate to apply! Carbon60 More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

SC Cleared Python Developer

London, South East, England, United Kingdom
Opus Recruitment Solutions Ltd
Role: Lead Software EngineerSFIA: 5IR35: OutsideSC: YesStart: 10/11End: 13/02Rate: £575Notice: 1 week’s noticeOnsite requirement 2 days a week in local officesLondonBirminghamSalfordSkillsetLeadStakeholder managementPythonDjango or FlaskWagtailAWSNice to haveNunjucksWagtailReactIf you are interested and fit the above please get More ❯
Employment Type: Contractor
Rate: £525 - £575 per day
Posted:

C++ Quantitative Developer - C+/20 | Linux | Low-Latency | Equities | Python - Permanent

London, United Kingdom
Scope AT Limited
C++ Quantitative Developer - C+/20 | Linux | Low-Latency | Equities | Python - Permanent Central London | Onsite 5 Days We're seeking experienced C++ Quantitative Developers (Senior & Lead) to design and implement ultra-low-latency trading systems within a fast-paced equities technology environment. Key Skills & Experience: Strong C++ (11/17/20+) with Multithreading & asynchronous programming. Deep knowledge … of Linux internals & networking . Experience with low-latency, Real Time trading systems . Background in equities trading/execution algorithms . Familiarity with Python for quantitative research (desirable). Strong computer science fundamentals (data structures, algorithms, OOP). Role Highlights: Develop execution algorithms, order management, connectivity & messaging systems. Collaborate directly with trading teams to optimise execution performance. Build … resilient, and high-performance trading infrastructure. Contribute to automated testing, performance benchmarking, and tooling. Permanent Role - Central London (Onsite 5 Days) Apply Now If you're an experienced C++ developer with low-latency trading expertise, we'd love to hear from you. More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:
Python Developer
London
10th Percentile
£400
25th Percentile
£463
Median
£625
75th Percentile
£775
90th Percentile
£875