926 to 950 of 1,319 Python Jobs in London

Asap Project duration: 4-6 months + chance of extensions About the Role: We are representing our Technology Client who are seeking a seasoned Python Developer for a long-term contract. You will be instrumental in designing, scaling, and securing cloud-native applications that power core enterprise services. Key Responsibilities … Develop: Build scalable back-end services using Python (3.10+) and FastAPI/Flask. Architect: Provision and manage AWS resources (Lambda, S3, RDS, DynamoDB, VPC) using Terraform or AWS CDK. Streamline: Own and optimize CI/CD deployment pipelines. Optimize: Monitor performance via CloudWatch and manage cloud cost-efficiency. Collaborate: Drive ...

looking for a Python Developer with strong experience in trading and risk management systems within investment banking. The role involves building backend applications and data processing logic supporting risk calculations, trade workflows and reporting. Key Responsibilities Develop and enhance Python-based applications for trading and risk use cases Build data … Ensure high code quality and test coverage Participate in code reviews and mentor junior developers where required Must-Have Skills Strong experience in Core Python development (6–10 years) Strong SQL skills with ability to handle complex queries and large datasets Experience with Python libraries (Pandas, NumPy) for data processing ...

seeking an experienced Python Developer to join a high-profile, fully funded two-year initiative. As part of a critical engineering programme, you will support core delivery streams, remove bandwidth constraints, and help drive momentum toward key 2026/2027 milestones. What You'll Do You'll design and develop … environment, working closely with demanding stakeholders to translate complex requirements into robust, scalable solutions. What We're Looking For Essential 5+ years of strong Python development (Java advantageous) Proven experience designing and building complex server-side systems Background in Financial Services — specifically front office derivatives, pre-trade/origination ...

join a cross-functional product team and help shape the backbone of their platform. What you'll be doing Backend-heavy engineering across a Python/FastAPI stack, working on everything from data pipelines and API design to ML/AI service integration. You'll be a proper senior … running code reviews, mentoring engineers, and getting involved early in research and experimentation, not just building to spec. The stack Python (FastAPI, Flask, strong typing, Pydantic) PostgreSQL AWS (Lambda serverless + ECS/Docker) Internal dev platform with standardised CI/CD pipelines Feature flags and automated preview environments What ...

Python Engineer (AI/LLM Focus) London (Hybrid) | 🚀 Fintech Scale-Up We’re partnering with a fast-growing fintech company in London that’s redefining how financial data is leveraged through cutting-edge AI. They’re now looking for a Python Engineer with strong experience in AI and Large Language … product, data, and engineering teams to bring AI-driven features into production. What you’ll be doing: Designing and building scalable backend systems using Python Developing and integrating LLM-powered features into core products Working with modern AI frameworks (e.g. OpenAI, LangChain, Hugging Face) Collaborating with data scientists to productionise ...

Senior Python Developer/Software Engineer (Python FastAPI Django) London to £120k Would you like to progress your career in a senior, hands-on role at an early stage AI start-up within the beauty space? As a Senior Python Developer you'll focus on building backend services and FastAPIs … using Python as well as integrating LLMs and payment systems into the product click apply for full job details ...

months. What You’ll Do Design and build high-performance software used by thousands of users daily Develop clean, efficient, and scalable code in Python, C++ or JavaScript Collaborate with engineers, data scientists, and product teams on exciting new features Contribute to technical discussions and see your ideas implemented fast … Engineering, Physics, Maths, etc.) from one of the top-ranked universities in the UK or equivalent Strong coding ability in at least one of: Python, C++, Java, or JavaScript Curiosity and problem-solving mindset — you love figuring things out Comfortable learning new technologies quickly Bonus: experience with ...

Python Developer Cyber £60,000 £70,000 | Fully Remote (UK based) Were working with a cutting-edge cybersecurity company looking to hire a Python Developer to join their team. This is a highly technical role focused on building tools and systems that detect and analyse real-world cyber threats … scale. Main Duties of the Role Design and develop Python-based tools for threat intelligence and security research Build and optimise data pipelines to process large volumes of security data Work closely with researchers to identify, monitor, and analyse emerging threats Contribute to scalable, cloud-based platforms used for offensive ...

recently active, SC or DV clearance (essential) Strong experience delivering production systems in complex environments Depth in at least one modern language (Java, TypeScript, Python, Go etc.) Cloud/container experience and a security‐first mindset Confidence influencing technical decisions and improving teams Tech we commonly use Java TypeScript Python ...

years of technical debt, you’ll have the opportunity to influence architecture, standards, and ways of working from the beginning. Tech Stack: - Snowflake - dbt - Python - AWS - Power BI Responsibilities : • Designing, developing, and evolving scalable Data Warehouse and ELT solutions • Driving modern DataOps practices including CI/CD, GitOps, testing … teams to build mature, scalable solutions What we’re looking for: • Proven Lead-level Data/Analytics Engineering experience • Strong expertise with Snowflake, dbt, Python, and AWS • Deep understanding of software engineering best practices within data environments • Experience implementing CI/CD pipelines and DataOps principles (GitHub Actions etc.) • Strong ...

including CRDs, traffic flow, and TLS/mTLS Monitor and investigate issues using Dynatrace and GCP logs Write and maintain automation scripts using Bash, Python, and Ansible Work closely with development teams across the SDLC to support application builds, deployments, and troubleshooting Required Skills & Experience Strong hands-on experience with … understanding of networking and traffic flow Strong knowledge of TLS, PKI, certificate management, TLS/mTLS, and secure application communication Strong Bash Scripting experience Python Scripting experience Strong Linux command-line experience Experience with Terraform , including developing and using modules in GCP Strong command-line Git and GitHub experience Hands ...

Design, build and deploy scalable, secure data solutions using Azure Databricks, Data Factory and Data Lake Storage. Develop and optimise advanced data pipelines with Python, SQL, Spark/PySpark and Delta Lake. Champion strong data quality, governance and observability practices. Modernise legacy systems and support large-scale migrations into Azure. … organisational needs. Minimum Criteria Extensive experience with Azure services including Azure Databricks, Azure Data Lake Storage, and Azure Data Factory. Advanced proficiency in SQL, Python, and Spark (PySpark), with a strong focus on performance optimization and distributed processing. Proven experience in CI/CD practices using industry-standard tools (e.g. ...

Python Developer Location: London, United Kingdom (Partial remote 2-3 days onsite) Employment Type: Inside IR35 Contract Rate : 60 GBP per hour Duration : One year contract with extensions Role Overview We are seeking a Python Developer to join a front-office team at a leading financial institution. This role involves … requires close collaboration with quant, sales, and trading teams to deliver business-critical applications in a dynamic environment. Key Responsibilities Design and implement backend Python software solutions within the structured notes domain. Collaborate on a React UI application, ensuring clean API contracts and integration with backend services. Work in close ...

Grow your skills by exploring and experimenting with emerging technologies, including GenAI. Your skills and experience: Backend Development: Experience in building microservices using either Python with FastAPI, or TypeScript with Express or equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI … Frameworks: Familiarity with tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript). LLM experience: Practical experience with Large Language Models (LLMs) such as OpenAI, Anthropic, Mistral, or Llama, and tools like Ollama. Cloud Platforms: Proficiency in AWS or Azure for hosting and deployment. Containerization and Orchestration ...

team members and promote best practices. About You: Degree in Computer Science (or equivalent experience) Strong experience with data pipelines, storage, and platforms Advanced Python skills and production-level coding experience Experience building and deploying data services end-to-end Solid understanding of ETL and data engineering best practices Experience …/NoSQL, APIs, and cloud platforms Familiarity with big data tools and MLOps concepts Strong communication, collaboration, and mentoring skills Main Tech Stack: Python AWS (S3, Athena), Terraform, Docker Prefect, Pulsar PostgreSQL, Cassandra GitLab CI/CD What's On Offer: 25 days holiday + bank holidays + festive closure ...

framework Build, enhance, and maintain data pipelines within Snowflake Develop transformations and data models using DBT Orchestrate workflows using Apache Airflow Write clean, modular Python code for data engineering solutions Improve pipeline reliability, performance, and observability Introduce and embed CI/CD, testing, and deployment best practices (Azure DevOps) Define … level Extensive experience with Snowflake as a core data platform Advanced SQL with strong business logic and modelling capability Experience with DBT, Airflow, and Python Experience building modular, scalable solutions within Snowflake CI/CD pipeline experience, ideally using Azure DevOps Exposure to Docker and modern software engineering practices Strong ...

images, audio) Work in a very cross-functional team, side by side with mobile developers, product managers, ML engineers, and designers Essential skills 🙏 Deep Python and AWS knowledge Architecture planning and estimation skills Experience with CI/CD automation pipelines Proficiency with Terraform and Docker SOLID, KISS principles, decomposition principles … best practices in building scalable mobile APIs (REST, HTTPS, etc.). Good principles of security management (secrets, protocols, etc.). Experience with some Python web frameworks (Django, Flask, FastAPI, etc.). Desirable Skills 👌 Can speak, or learning to speak, more than one language Experience with real-time and/ ...

with significant autonomy, where your work will directly influence product direction and user experience. Key Responsibilities Design and implement backend services and APIs using Python, FastAPI, and Django Build and maintain scalable RESTful APIs with PostgreSQL Develop and integrate AI/LLM-powered features using frameworks such as LangChain Implement … backend services and pipelines Support production systems and deployments within a small, high-performing team Qualifications 5+ years of professional software engineering experience Strong Python expertise with backend development experience Proven experience with FastAPI and/or Django, REST APIs, and PostgreSQL Experience integrating Stripe for payments and subscriptions Familiarity ...

software engineering capacity Familiar with Linux, Containerisation technologies, and open-source software Ability to code in at least one scripting/programming language (Bash, Python, Go etc)Experience leading a team of at least 4 people, collaborating across teams and working with both junior employees and members of senior leadershipPreferred … bring operation excellence in Build/deploy pipelines for VM and ContainersLinux, Unix and Shell Scripting, and AutomationExperience with one scripting or programming language (Python, Go, bash)Advance knowledge and experience with Linux and UNIXExperience with monitoring tools Datadog, or any other monitoring tools/processesExperience with SCM tools ...

degree preferred). Major in Electronics/Electrical/Computer Science Engineering preferred Strong data analytics skills and proficient with Tableau, Alteryx, SQL or Python Strong business acumen and problem-solving capabilities Strong written and verbal communication skills Fluency in English Outstanding interpersonal and communication skills to interact with internal … external stakeholder while working in a global collaborative team environment Advanced data analytics skills and proficient with Tableau, Alteryx, SQL or Python Who You'll Work With As a Senior Analyst – BCG Vantage on our Topic Activation path, you will collaborate with global topic leads and colleagues across ...

work closely with portfolio managers, quantitative research and engineers to design and deliver new investments tools. Prototype portfolio management tools using Power BI, Python, and SQL. Drive future state investment solutions to enhance productivity through automation and leveraging generative AI to drive efficiencies. Coordinate with the development team to execute …/or technical concepts to various stakeholders across the organization. Exceptional attention to detail and organizational skills to document requirements. Strong technical aptitude in Python, SQL, Power BI. Ability to work collaboratively with the investment team, other stakeholders, and technology teams to design and implement effective solutions. Proven experience leading ...

safely improve workflows, using low-code/no-code tools to build and support automated processes, with the ability to learn new technical skills (Python, SQL, AWS architecture) Apply AI responsibly, considering data privacy, controls, and ethical use and integrate AI outputs into real business processes rather than isolated analysis … tasks such as spreadsheets, trackers, and documentation Strong logical thinking and problem-solving skills Some exposure to data or coding (e.g., Excel formulas, SQL, Python) is helpful but not required Strong working knowledge of Microsoft Office, especially Excel and PowerPoint A growth mindset: open to feedback, eager to improve ...

Lead AI Python Engineer We’re working with an early-stage AI product company in London building software that automates real-world operational workflows using Python and applied AI. This is a hands-on engineering role focused on designing and building backend systems, APIs, and data-driven workflows that power … code reviews, and help shape technical decisions as the team grows. You’ll be responsible for: Designing and building scalable backend services using Python Developing APIs that support core product functionality Integrating LLM and AI-driven features into workflows Improving system performance, reliability, and maintainability Collaborating cross-functionally to deliver ...

Today, we help clients with total transformation-inspiring complex change, enabling organizations to grow, building competitive advantage, and driving bottom-line impact. To succeed, organizations must blend digital and human capabilities. BCG delivers solutions through ...

Senior Software Engineer (Golang/Python) | Drug discovery Platform | Fully Remote, EU/UK| Base Salary Up to £110,000, plus early equity+benefits I am currently partnering with an elite engineering team building a world-class platform for decentralised and federated computing. They are solving one of the most complex … production services used by some of the world’s largest pharmaceutical and data-intensive enterprises. Responsibilities for the Senior Software Engineer (Golang/Python) | Drug discovery Platform | Fully Remote, EU/UK | Base Salary Up to £110,000, plus early equity+benefits Design and evolve high-performance backend systems and APIs ...