1,195 Python jobs in the United Kingdom

Our consultancy client is looking for a number of experienced application developers to work a client project within the commodities trading arena. You must have expertise in building applications on AWS using Python, Java and Neptune. AWS certifications is a must and any experience of supply chains within the commodities journey would be a huge benefit. The project is to increase the supply chain visibility of commodities from mine to port and to help them to better manage and optimise the ongoing shipment/ trades, reduce need to overstock and associated charges due to uncertainty of what and when materials will arrive in port, improving routings, etc. The system will ultimately cover further use cases and wider expansion across their global commodity supply chains with this stage looking at Unit Tracking and Pre-alert (Event Generation). For these roles you will need to be on the client site in London 3 days a week and the roles will be iniside IR35.

Contract Python AWS Engineer

Outside IR35

Fully Remote | 450 - 475 day | 9 Months

Are you a Python Engineer with strong FastAPI and AWS CDK skills seeking your next contract opportunity? Join a global analytics firm specializing in critical insights for major organizations worldwide. We're looking for a seasoned Python Software Engineer to enhance their infrastructure using AWS CDK and optimize FastAPI applications.

This role offers a chance to collaborate with a mission driven team, directly impacting the scalability and quality of key data products.

Tech Stack:

• Python Core language for application development
• FastAPI with either Flask or Django for API frameworks for web services
• AWS CDK experience with Infrastructure as code for AWS deployments
• Docker Containerization for local development
• Prefect or Airflow or Dagster experience for pipeline orchestration frameworks

What you'll be doing:

• Develop and optimize FastAPI applications integrated with AWS CDK infrastructure.
• Collaborate closely with developers, subject matter experts, and data scientists.
• Implement scalable solutions for handling large datasets in cloud based environments.
• Automate data workflows across the analytics platform using pipeline orchestration frameworks.
• Provide guidance on best practices for AWS CDK, FastAPI, and modern web application development.

Requirements:

• Several years of commercial Python development experience.
• Confident understanding of API services and frameworks like FastAPI, Flask, and Django.
• Experience with AWS services, deployment processes, and infrastructure as code approaches AWS CDK, Terraform.
• Comfortable working with Docker containers for local development.
• Familiarity with pipeline orchestration frameworks such as Prefect, Airflow, or Dagster.
• Excellent communication skills with a collaborative mindset.

Contract Details:

• Location: Fully remote UK based candidates only.
• Length: 9 months.
• Rate: 450 to 465 per day Outside IR35.
• Start: ASAP.

If you're a Python AWS Engineer with expertise in FastAPI and AWS CDK, passionate about impactful analytics and web application development, we'd love to hear from you. Please apply or reach out to Andy at Cathcart Technology.

Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at mid to senior levels who are passionate about crafting exceptional products.

Initially it will be a five-month contract but there is potential for it to be extended. The role is Hybrid, with one day a week being based in their London office. It is a full-time role, 40 hours per week. If this role feels right, send us your CV.

Accountabilities:

• Playing a pivotal role in the backend engineering team, you will help to build full-stack cloud apps.
• You'll be using Python and AWS Cloud services on the backend.
• Adopt a Server-less first approach to application design, collaborating within an agile team alongside other backend engineers and product designers.
• Strategize, develop, test, and deploy new features and experiments.
• Engage in collaborative coding practices such as pair programming and code reviews within the team.
• Contribute to resolving the complexities inherent in large-scale systems and extensive datasets.
• Foster close collaboration with our Product, Data, Front-end, Platform, and Security teams.

Knowledge and Skills:

• Demonstrated expertise as a Mid or Senior Software Engineer.
• Proficiency in Python as your primary language, or willingness to adapt.
• Hands-on experience with RESTful APIs and/or GraphQL.
• Proficiency in version control tools like Git.
• Sound understanding of development best practices including pair programming and TDD.
• Eagerness to engage with emerging technologies and collaborate with the team in designing solutions from inception, facilitated by effective communication skills that promote teamwork.
• Strong abilities in software design, problem-solving, and debugging.
• Enthusiasm for continuous code improvement and learning from peers.

Please note:

Should your application be successful, and you are offered the role, a number of pre-employment checks need to be carried out before your appointment can be confirmed. Any assignment offer with our client will be subject to a satisfactory checking report from the Disclosure Barring Service.

This vacancy is being advertised by Rullion Ltd acting as an employment business.

Since 1978, Rullion has been securing exceptional candidates for a range of clients; from large well-known brands, to SMEs and start-ups. As a family-owned business, Rullion's approach is credible and honest, focused on building long-lasting relationships with both clients and candidates.

We celebrate and support diversity and are committed to ensuring equal opportunities for both employees and applicants.

Rullion celebrates and supports diversity and is committed to ensuring equal opportunities for both employees and applicants.

Senior Python Developer
Permanent
£80,000- £90,000 (doe)
London – Hybrid

Seeking an experienced Senior Python Developer for a Permanent role based in central London.Hybrid working with the expectation of 3 days/week on site in London . Immediate start, ideally Summer 2025. 

A chance to work with a leading digital transformation business on large-scale IT modernisation programmes for government clients.

Key skills, experience + tasks will include:

• Extensive hands-on experience with Python is essential, including a strong grasp of Core Python concepts.
li>Proven expertise in deploying Python applications using CI/CD, along with proficiency in designing and implementing CI/CD pipelines in Cloud environments.
• Excellent practical expertise in Performance tuning and system optimisation.
• Experience with PySpark and Azure Databricks for distributed data processing and large-scale data analysis.
• Proven experience with web frameworks , including knowledge of Django and experience with Flask, along with a solid understanding of APIs.
• Develop and maintain data interfaces to connect various systems within the Bank.
• Solid architecture and design knowledge to ensure scalable and efficient systems
• Lead the development of MVPs , ensuring timely delivery, alignment with business goals
• Collaborate with cross-functional teams to build and enhance banking applications.
• Work closely with UI/UX Designers to seamlessly integrate visualisations into web applications or other platforms.
• Banking Domain Experience is Highly Desirable.

Python, Postgres & React Developer - Remote
Immediate Start | Until March (Minimum)

I'm recruiting on behalf of a fast-paced consultancy delivering a critical platform for a Central Government body. We're seeking a seasoned Python, Postgres & React Developer to join a lean, agile team.

You'll be hands-on developing API integrations, automation, and building a clean, maintainable codebase within a pragmatic, minimal tech stack. The environment is start-up-like - flexibility is essential. You'll wear multiple hats, operate independently, and bring solutions without needing handholding.

Key Skills:

• Strong Python & Postgres experience are a must

• JavaScript & React proficiency would be valuable - but not essential as they have a dedicated React Developer

• API development & integration expertise

• Automation workflows

We need a contractor who thrives in ambiguity, values simplicity in solutions, and can crack on with little oversight.

If you're a self-starter with a proven track record in delivering robust, scalable platforms in small, high-performing teams - let's talk.

Diversity, equity and inclusion are at the heart of what we value as an organisation. Boston Hale is an equal opportunities employer, and all qualified applicants will receive consideration for employment without regard to race, religion, sex, sexual orientation, age, disability or any other status protected by law.

Our consultancy client is looking for a number of experienced application developers to work a client project within the commodities trading arena. You must have expertise in building applications on AWS using Python, Java and Neptune. AWS certifications is a must and any experience of supply chains within the commodities journey would be a huge benefit. The project is to increase the supply chain visibility of commodities from mine to port and to help them to better manage and optimise the ongoing shipment/ trades, reduce need to overstock and associated charges due to uncertainty of what and when materials will arrive in port, improving routings, etc. The system will ultimately cover further use cases and wider expansion across their global commodity supply chains with this stage looking at Unit Tracking and Pre-alert (Event Generation). For these roles you will need to be on the client site in London 3 days a week and the roles will be iniside IR35.

Contract Python AWS Engineer

Outside IR35

Fully Remote | 450 - 475 day | 9 Months

Are you a Python Engineer with strong FastAPI and AWS CDK skills seeking your next contract opportunity? Join a global analytics firm specializing in critical insights for major organizations worldwide. We're looking for a seasoned Python Software Engineer to enhance their infrastructure using AWS CDK and optimize FastAPI applications.

This role offers a chance to collaborate with a mission driven team, directly impacting the scalability and quality of key data products.

Tech Stack:

• Python Core language for application development
• FastAPI with either Flask or Django for API frameworks for web services
• AWS CDK experience with Infrastructure as code for AWS deployments
• Docker Containerization for local development
• Prefect or Airflow or Dagster experience for pipeline orchestration frameworks

What you'll be doing:

• Develop and optimize FastAPI applications integrated with AWS CDK infrastructure.
• Collaborate closely with developers, subject matter experts, and data scientists.
• Implement scalable solutions for handling large datasets in cloud based environments.
• Automate data workflows across the analytics platform using pipeline orchestration frameworks.
• Provide guidance on best practices for AWS CDK, FastAPI, and modern web application development.

Requirements:

• Several years of commercial Python development experience.
• Confident understanding of API services and frameworks like FastAPI, Flask, and Django.
• Experience with AWS services, deployment processes, and infrastructure as code approaches AWS CDK, Terraform.
• Comfortable working with Docker containers for local development.
• Familiarity with pipeline orchestration frameworks such as Prefect, Airflow, or Dagster.
• Excellent communication skills with a collaborative mindset.

Contract Details:

• Location: Fully remote UK based candidates only.
• Length: 9 months.
• Rate: 450 to 465 per day Outside IR35.
• Start: ASAP.

If you're a Python AWS Engineer with expertise in FastAPI and AWS CDK, passionate about impactful analytics and web application development, we'd love to hear from you. Please apply or reach out to Andy at Cathcart Technology.

Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at mid to senior levels who are passionate about crafting exceptional products.

Initially it will be a five-month contract but there is potential for it to be extended. The role is Hybrid, with one day a week being based in their London office. It is a full-time role, 40 hours per week. If this role feels right, send us your CV.

Accountabilities:

• Playing a pivotal role in the backend engineering team, you will help to build full-stack cloud apps.
• You'll be using Python and AWS Cloud services on the backend.
• Adopt a Server-less first approach to application design, collaborating within an agile team alongside other backend engineers and product designers.
• Strategize, develop, test, and deploy new features and experiments.
• Engage in collaborative coding practices such as pair programming and code reviews within the team.
• Contribute to resolving the complexities inherent in large-scale systems and extensive datasets.
• Foster close collaboration with our Product, Data, Front-end, Platform, and Security teams.

Knowledge and Skills:

• Demonstrated expertise as a Mid or Senior Software Engineer.
• Proficiency in Python as your primary language, or willingness to adapt.
• Hands-on experience with RESTful APIs and/or GraphQL.
• Proficiency in version control tools like Git.
• Sound understanding of development best practices including pair programming and TDD.
• Eagerness to engage with emerging technologies and collaborate with the team in designing solutions from inception, facilitated by effective communication skills that promote teamwork.
• Strong abilities in software design, problem-solving, and debugging.
• Enthusiasm for continuous code improvement and learning from peers.

Please note:

Should your application be successful, and you are offered the role, a number of pre-employment checks need to be carried out before your appointment can be confirmed. Any assignment offer with our client will be subject to a satisfactory checking report from the Disclosure Barring Service.

This vacancy is being advertised by Rullion Ltd acting as an employment business.

Since 1978, Rullion has been securing exceptional candidates for a range of clients; from large well-known brands, to SMEs and start-ups. As a family-owned business, Rullion's approach is credible and honest, focused on building long-lasting relationships with both clients and candidates.

We celebrate and support diversity and are committed to ensuring equal opportunities for both employees and applicants.

Rullion celebrates and supports diversity and is committed to ensuring equal opportunities for both employees and applicants.

Senior Python Developer
Permanent
£80,000- £90,000 (doe)
London – Hybrid

Seeking an experienced Senior Python Developer for a Permanent role based in central London.Hybrid working with the expectation of 3 days/week on site in London . Immediate start, ideally Summer 2025. 

A chance to work with a leading digital transformation business on large-scale IT modernisation programmes for government clients.

Key skills, experience + tasks will include:

• Extensive hands-on experience with Python is essential, including a strong grasp of Core Python concepts.
li>Proven expertise in deploying Python applications using CI/CD, along with proficiency in designing and implementing CI/CD pipelines in Cloud environments.
• Excellent practical expertise in Performance tuning and system optimisation.
• Experience with PySpark and Azure Databricks for distributed data processing and large-scale data analysis.
• Proven experience with web frameworks , including knowledge of Django and experience with Flask, along with a solid understanding of APIs.
• Develop and maintain data interfaces to connect various systems within the Bank.
• Solid architecture and design knowledge to ensure scalable and efficient systems
• Lead the development of MVPs , ensuring timely delivery, alignment with business goals
• Collaborate with cross-functional teams to build and enhance banking applications.
• Work closely with UI/UX Designers to seamlessly integrate visualisations into web applications or other platforms.
• Banking Domain Experience is Highly Desirable.