1 to 25 of 11,546 Permanent Python Jobs in London

Senior Software Engineer, Python Development - London Join to apply for the Senior Software Engineer, Python Development - London role at Fitch Ratings Senior Software Engineer, Python Development - London 1 day ago Be among the first 25 applicants Join to apply for the Senior Software Engineer, Python Development - London role at Fitch Ratings Fitch Group is currently seeking a Senior Software Engineer … Python Development based out of our London office. As a leading, global financial information services provider, Fitch Group delivers vital credit and risk insights, robust data, and dynamic tools to champion more efficient, transparent financial markets. With over 100 years of experience and colleagues in over 30 countries, Fitch Group’s culture of credibility, independence, and transparency is embedded throughout … Data/About The Team We are seeking a Senior Software Engineer to join our team for a key initiative of the development and delivery of applications based on Python and AWS, Azure cloud platform based on event-driven architecture. The ideal candidate should be highly skilled specializing in Python Programming. How You’ll Make An Impact Develop, test and More ❯

Press Tab to Move to Skip to Content Link Select how often (in days) to receive an alert: Senior Software Engineer, Python Development - London Requisition ID: 48187 Business Unit: Fitch Group Category: Information Technology Location: London, GB Date Posted: May 27, 2025 Fitch Group is currently seeking a Senior Software Engineer, Python Development based out of our London office. As … technology and data at Fitch? We are seeking a Senior Software Engineer to join our team for a key initiative of the development and delivery of applications based on Python and AWS, Azure cloud platform based on event-driven architecture. The ideal candidate should be highly skilled specializing in Python Programming. How You’ll Make an Impact: Develop, test and … maintain high-quality software using Python programming language. Participate in the entire software development lifecycle, building, testing and delivering high-quality solutions. Collaborate with cross-functional teams to identify and solve complex problems. Write clean and reusable code that can be easily maintained and scaled. Work on technically complex systems with strong hands-on experience in design and development. Interpret More ❯

solutions like JFrog, Nexus, etc. Good understanding on Containerisation solutions, e.g., K8, Docker, Kaniko, etc. Proficiency in at least one of the standard programming languages – Java/JavaScript, C#, Python, or similar Object-oriented programming Proficiency in at least one of the standard scripting languages – Terraform, Bash, Ansible, etc. Good understanding of Software engineering concepts, e.g., coding techniques (DRY principles More ❯

Cyber Operations users and stakeholders, supporting the firm's business objectives in a collaborative environment that values diversity, equity, and inclusion. You will design, develop, and maintain applications using Python and SQL, build ETL/ELT pipelines, design and implement user interfaces, and architect cloud-based solutions on AWS. Job responsibilities Execute software engineering solutions, including design, development, and technical … knowledge of existing solutions to satisfy security requirements for Cyber Operations users and stakeholders (e.g., clients, users, product, platform, application owners). Design, develop, and maintain software applications using Python and SQL. Design and implement user interfaces using modern JS frameworks (e.g. React, Angular, or Vue.js). Build and maintain ETL/ELT pipelines and data models within data warehouses … preferably in a cloud-based environment. 5+ years of work-related experience in a professional software engineering role. Experience developing software engineering solutions for workflow automation. Strong proficiency in Python, with a deep understanding of object-oriented programming principles. Strong proficiency in SQL, with experience of building data pipelines, data models, and data transformation within data warehouses, knowledge of tools More ❯

Cyber Operations users and stakeholders, supporting the firm's business objectives in a collaborative environment that values diversity, equity, and inclusion. You will design, develop, and maintain applications using Python and SQL, build ETL/ELT pipelines, design and implement user interfaces, and architect cloud-based solutions on AWS. Job responsibilities Execute software engineering solutions, including design, development, and technical … knowledge of existing solutions to satisfy security requirements for Cyber Operations users and stakeholders (e.g., clients, users, product, platform, application owners). Design, develop, and maintain software applications using Python and SQL. Design and implement user interfaces using modern JS frameworks (e.g. React, Angular, or Vue.js). Build and maintain ETL/ELT pipelines and data models within data warehouses … preferably in a cloud-based environment. 5+ years of work-related experience in a professional software engineering role. Experience developing software engineering solutions for workflow automation. Strong proficiency in Python, with a deep understanding of object-oriented programming principles. Strong proficiency in SQL, with experience of building data pipelines, data models, and data transformation within data warehouses, knowledge of tools More ❯

and data orchestration tools (e.g., Airflow, Prefect). Strong background in containerization using Docker and orchestration with Kubernetes. In-depth knowledge of Linux, SQL, cloud security, scripting for automation (Python, Bash), load balancing technologies, and CDN. Agile methodology experience, excellent communication, and leadership skills. Adaptable, self-motivated, and capable of thriving in a fast-paced, unstructured startup environment. Nice to More ❯

in global organization/enterprise. 8+years of experience in designing/developing Enterprise scale software/platforms preferably with globally distributed engineering teams. Proficiency in .NetCore/Java/Python, Bootstrap and any JavaScript frameworks Expertise on native AWS/Azure platforms including Serverless functions , preferably Lambda in AWS Passionate expert in Modern Engineering, DevOps practices - Strong understanding of CI More ❯

complex data science use-cases across various industries Design and develop feature engineering pipelines, build ML & AI infrastructure, deploy models, and orchestrate advanced analytical insights Write code in SQL, Python, and Spark following software engineering best practices Collaborate with stakeholders and customers to ensure successful project delivery Who we are looking for We are looking for collaborative individuals who want …/or people Willingness to travel. Want to stand out? Consulting Experience Databricks Machine Learning Associate or Machine Learning Professional Certification. Familiarity with traditional machine learning tools such as Python, SKLearn, XGBoost, SparkML, etc. Experience with deep learning frameworks like TensorFlow or PyTorch. Knowledge of ML model deployment options (e.g., Azure Functions, FastAPI, Kubernetes) for real-time and batch processing. More ❯

Nginx Ingress, Istio CI/CD - GitHub Actions, Gitlab CI, Jenkins Networking - TCP, UDP, IP, HTTP(S), Firewalls, DNS Security - Encryption, SSL, TLS, HTTPS, OAuth2, OIDC, SAML, JWT Languages - Python/Node.js/Golang Development – REST API/Microservices Desirable Skills: Multi-Cloud Knowledge/Experience - Azure/AWS. AI/ML – Vertex AI. Engagement with major blue-chip clients More ❯

Nginx Ingress, Istio CI/CD - GitHub Actions, Gitlab CI, Jenkins Networking - TCP, UDP, IP, HTTP(S), Firewalls, DNS Security - Encryption, SSL, TLS, HTTPS, OAuth2, OIDC, SAML, JWT Languages - Python/Node.js/Golang Development – REST API/Microservices Desirable Skills: Multi-Cloud Knowledge/Experience - Azure/AWS. AI/ML – Vertex AI. Engagement with major blue-chip clients More ❯

Job Title: Backend Python Developer Job Type: Permanent Location: London Salary: £55,000-£65,000 DOE Skills: Python, AWS, CI/CD, Docker Kubernetes, JavaScript Roc Search have partnered with a vibrant data focused agency in London. They are seeking an experienced Backend Engineer with a strong foundation in Python and object-oriented programming. In this role, you will be … familiarity with cloud-based AI/ML services in Snowflake Cortex or DOMO AI would be a strong advantage. Key Reponsibilities Design and implement robust, scalable backend systems using Python as the primary language. Apply object-oriented principles and design patterns to maintain clean, maintainable code. Leverage cloud-native services (primarily AWS) including Aurora, Load Balancer, Security Groups, and serverless … or equivalent practical experience). Proven experience as a Backend Engineer or a similar role, with a strong track record of designing and developing robust backend systems. Proficiency in Python and Javascript Familiarity with logging frameworks like Serilog for efficient log capturing and analysis. Experience with containerization tools like Docker and orchestration frameworks like Kubernetes. Knowledge of Helm and YAML More ❯

Job Title: Backend Python Developer Job Type: Permanent Location: London Salary: £55,000-£65,000 DOE Skills: Python, AWS, CI/CD, Docker Kubernetes, JavaScript Roc Search have partnered with a vibrant data focused agency in London. They are seeking an experienced Backend Engineer with a strong foundation in Python and object-oriented programming. In this role, you will be … familiarity with cloud-based AI/ML services in Snowflake Cortex or DOMO AI would be a strong advantage. Key Reponsibilities Design and implement robust, scalable backend systems using Python as the primary language. Apply object-oriented principles and design patterns to maintain clean, maintainable code. Leverage cloud-native services (primarily AWS) including Aurora, Load Balancer, Security Groups, and serverless … or equivalent practical experience). Proven experience as a Backend Engineer or a similar role, with a strong track record of designing and developing robust backend systems. Proficiency in Python and Javascript Familiarity with logging frameworks like Serilog for efficient log capturing and analysis. Experience with containerization tools like Docker and orchestration frameworks like Kubernetes. Knowledge of Helm and YAML More ❯

Engineering Team Lead (Python) - Ethical Marketplace Engineering Team Lead (Python) - Ethical Marketplace 1 week ago Be among the first 25 applicants Wolf & Badger is on a mission to make retail fair. Working to support our community of 2000+ independent designers from around the globe, we connect customers with ethically sourced fashion, design, home and beauty through our online marketplace and … London, NYC and LA. We are a Certified B Corporation, with social and environmental purpose at the core of everything we do, read more about us here. As the Python Team Lead, you will take ownership of the back end python development team, driving the architecture, design, and implementation of our web applications. You will work closely with product, design … Central London. Candidates must be based within a commutable distance of the office and be happy to commit to this requirement. Accountabilities and Responsibilities: Technical Leadership & Innovation: Spearhead the python development team in building intuitive, responsive, and high-performance software that aligns with Wolf & Badger's vision Drive the architectural design and technological direction for the back end, ensuring code More ❯

ES, and many more countries. Check out our Notion Candidate Handbook and our GitHub! Requirements We are looking for an experienced Senior Software Engineer with a strong background in Python development and expertise in AWS. The candidate will play a significant role in enhancing and expanding LocalStack's AWS core cloud emulator with features, parity improvements, and integrations. While proficiency … in Python and AWS is essential, experience with other cloud platforms is also advantageous. Key Responsibilities Contribute to LocalStack's AWS emulator, applying and extending the LocalStack emulator framework to implement and test AWS APIs Collaborate in a Core Engineering squad to implement features that meet the needs of developers working with AWS environments Develop high-performance local cloud service … grows, work more closely with larger customers that use our product for their entire organization Required Qualifications 3+ years of professional experience in software engineering, with a focus on Python development Strong hands-on experience with modern Python development (type hinting, unit/integration testing with pytest, object-oriented software design, applying Python frameworks) Demonstrated expertise in AWS services and More ❯

of applications Write efficient, reusable, and scalable code based on current software systems Fine-tune and develop cloud infrastructure for data driven applications Test and debug software applications with Python test framework tools Be a highly collaborative and outgoing individual, a keen team player that can provide excellent customer service. Experience - Essentials Strong team player with good communication and interpersonal … skills Experience as a Python Developer or in a similar role Strong understanding of software development principles, design patterns, and best practices Experience in RESTful APIs, web frameworks, NoSQL databases and serverless applications Strong understanding of version control systems and familiarity with CI/CD Pipelines Bachelor's degree in Computer Science, Software Engineering, or related fields Working knowledge of More ❯

junior engineers, and contributing to the wider team principles and practices, and the tools we use. The role has no line management responsibilities. Our data platform is built with Python and Airflow, deployed using CI/CD, heavily exploits automations, and runs on AWS, GCP, k8s, Snowflake and more. Our efforts in data engineering support our adserving platform which serves … oriented solutions in a high volume, transactional, global, industry. Experience with advertising technology (AdTech) highly desired. Proven experience and a passion for developing and operating data-oriented solutions using Python, Airflow/Composer, Kafka, Snowflake, BigQuery, and a mix of data platforms such as Spark, AWS Athena, Postgres and Redis. Excellent SQL development, query optimization and data pipeline development skills More ❯

highly numerate and analytical, backed by a mathematics, computer science, stats or physics degree (or equivalent experience) • Have excellent high-level language coding skills in any of e.g. Perl, Python, C/C++, Go, Rust, NodeJS, Java and a language-agnostic attitude • Have experience of Perl, Python 3 and NodeJS and a willingness to work with these or learn them … fast • Have strong scripting skills (Bash, Perl, Python) • Have excellent written and verbal communication skills, able to engage authoritatively in technical discussions around the specifications of projects • Be confident with Linux server/system administration (e.g. package installation/configuration, upgrades to distribution and kernels, filesystems and volume management) • Have experience running containerised workloads using Docker or K8s • Be expert … highly numerate and analytical, backed by a mathematics, computer science, stats or physics degree (or equivalent experience) • Have excellent high-level language coding skills in any of e.g. Perl, Python, C/C++, Go, Rust, NodeJS, Java and a language-agnostic attitude • Have experience of Perl, Python 3 and NodeJS and a willingness to work with these or learn them More ❯

working across Africa, Europe, the UK and the US. ABOUT THE ROLE Sand Technologies focuses on cutting-edge cloud-based data projects, leveraging tools such as Databricks, DBT, Docker, Python, SQL, and PySpark to name a few. We work across a variety of data architectures such as Data Mesh, lakehouse, data vault and data warehouses. Our data engineers create pipelines … Data Pipeline Development: Lead the design, implement, and maintain scalable data pipelines for ingesting, processing, and transforming large volumes of data from various sources using tools such as databricks, python and pyspark. Data Architecture: Architect scalable and efficient data solutions using the appropriate architecture design, opting for modern architectures where possible. Data Modeling: Design and optimize data models and schemas … concepts to non-technical stakeholders. Ability to adapt to new technologies, tools, and methodologies in a dynamic and fast-paced environment. Ability to write clean, scalable, robust code using python or similar programming languages. Background in software engineering a plus. Knowledge of data governance frameworks and practices. Understanding of machine learning workflows and how to support them with robust data More ❯

day work and building scalable, strategic platforms to position the company for future growth. Our Technology Within Risk Engineering we run a mixture of Linux and Windows, and use Python as the primary language, with an emphasis on Python and the Python scientific stack: numpy, scipy, pandas, scikit-learn, etc. We implement the systems that require the highest data throughput More ❯

operations, data engineering, or related roles AWS Proficiency: Strong understanding of AWS services (e.g., EC2, S3, Lambda, SageMaker, ECS) and cloud infrastructure management Programming and ML Frameworks: Proficiency in Python and experience with ML frameworks such as scikit-learn, TensorFlow, or PyTorch CI/CD Experience: Experience with CI/CD tools and practices (e.g., GitHub Actions, Jenkins) and the … week ago London, England, United Kingdom 2 weeks ago Research Scientist – Generative & Applied Machine Learning London, England, United Kingdom 3 weeks ago London, England, United Kingdom 3 days ago Python and Kubernetes Software Engineer - Data, Workflows, AI/ML & Analytics London, England, United Kingdom 2 weeks ago London, England, United Kingdom 1 week ago London, England, United Kingdom 4 days More ❯

setting clear goals and timelines. Participate in code reviews and contribute to establishing coding standards. Additional Backend Technology (optional but preferred): Knowledge of additional backend technologies such as Node.js, Python, Java, or Go. Contribute to full-stack development or transition between different backend frameworks when necessary Key Requirements Experience in Ruby on Rails development. Strong experience with DevOps practices, including … integration. Proven experience leading development teams and mentoring junior engineers. Strong understanding of software architecture, version control (Git), and testing frameworks. Familiarity with additional backend technologies such as Node.js, Python, or Java is a plus. Nice-to-Have Skills Experience with infrastructure automation tools (e.g., Terraform, Ansible). Knowledge of containerization and orchestration tools such as Docker and Kubernetes. Familiarity More ❯

and experience of quality engineering techniques including test-driven development (TDD), Behaviour-driven development (BDD), integration testing and performance testing Some experience with AI tools (one of more of) Python, LLM(Large Language models), RAG, Langchain Set Yourself apart with: Bachelor's/Master's degree in Computer Science or related field Experienceof working on large scale, complex, and distributed More ❯

expertise to drive complex, technical and highly commercial solutions. Experience supporting complex production application environments. Basic Qualifications: Proficiency in designing, developing, and testing software in one or both of Python and Java; open to using multiple languages. Experience architecting, designing, and developing applications in an Amazon Web Services, Google Cloud Platform, or Microsoft Azure cloud environment. Ability to reason about More ❯

as Apache Bench, JMeter, or LoadRunner, or modern alternatives like K6, Gatling, Locust. Familiarity with BDD tools like Cucumber or SpecFlow. Skills : Proficiency in programming languages such as Java, Python, or TypeScript. Experience with scripting languages for automation tasks. Strong understanding of software testing principles and methodologies. Familiarity with version control systems like Git. Excellent problem-solving skills and attention More ❯

metals, and agricultural commodities globally. Our success is driven by cutting-edge analytics, high-frequency data processing, and a commitment to innovation. We are now looking for a Senior Python Engineer to join our dynamic team in London and drive our next wave of technological advancements. Role Overview: As a Senior Python Engineer, you will be at the heart of … our technology platform, building robust systems that enhance our trading strategies, risk management, and data analysis. You will collaborate closely with quants, data scientists, and traders, providing Python-based solutions that directly impact the profitability of the business. This is an exciting opportunity to work in a fast-paced, high-performance environment where you can push the boundaries of technology … in financial markets. Key Responsibilities: Design, develop, and maintain highly efficient Python-based applications for commodities trading, risk management, and real-time data analysis. Build scalable, high-performance data pipelines to process large datasets from multiple sources, including real-time market data and fundamental data. Implement robust APIs and microservices to integrate trading systems, analytics platforms, and external data providers. More ❯