901 to 925 of 1,868 Python Jobs in the City of London

pipelines and observability tools Collaborate with AI researchers to integrate models into production Take a product-first approach to engineering What You’ll Need 2-4 years experience with Python (FastAPI/Flask) Experience with distributed systems and cloud platforms Proficiency in database design (e.g. PostgreSQL) Familiarity with Docker, IaC tools (Terraform), and monitoring stacks Start-up mindset Bonus: Experience More ❯

platform. Offer technical insight and second/third-line support on complex data issues. What You’ll Need 6+ years of professional software engineering experience. Strong programming background in Python or Go, plus another object-oriented language. Proficiency in SQL (both transactional and analytical use cases). Experience working with data lakes, ETL frameworks, and orchestration tools such as Airflow. More ❯

platform. Offer technical insight and second/third-line support on complex data issues. What You’ll Need 6+ years of professional software engineering experience. Strong programming background in Python or Go, plus another object-oriented language. Proficiency in SQL (both transactional and analytical use cases). Experience working with data lakes, ETL frameworks, and orchestration tools such as Airflow. More ❯

Multiple Software Engineers – Palantir, Strong ETL, AWS & Python -Fully Remote – UK Based – Offices based in London - MUST BE SECURITY CLEARED - DV/SC 🌳🌳🌳 Areti Group has exclusively partnered with a rapidly growing startup who are seeking 8 Software Engineers to start ASAP. These roles are fully remote. This business has grown by 75% this year and is now looking for … and analytics. Leverage AWS technologies such as S3, Glue, Redshift, and others to build and maintain data solutions. Implement best practices for security and compliance in an AWS environment. 🌳 Python Programming: Demonstrate proficiency in Python programming for data processing and manipulation. Develop custom scripts and applications as needed to enhance ETL processes. 🌳 Collaboration and Communication: Collaborate with cross-functional teams … related field. Proven experience in designing and implementing ETL pipelines in a production environment. Strong proficiency in AWS services, with a focus on data-related services. Advanced skills in Python programming for data processing and automation. Experience working with large datasets and distributed computing. Previous experience supporting major customers at the early stages of projects. Strong analytical and problem-solving More ❯

Backend Developer – Python Location: London (Hybrid, 2 days per week) Are you a talented Backend Developer looking for a role that offers real variety, technical challenge, and the chance to work on projects that make an impact? Our client is a highly regarded digital innovator, delivering complex, high-performance systems for some of the most recognisable brands in Europe. They … re seeking a Backend Developer – Python to join their growing engineering team, where you’ll be involved in a range of exciting projects spanning different industries and technologies. You’ll work in a collaborative, fast-moving environment, developing scalable backend services that power large-scale digital platforms, giving you the opportunity to sharpen your technical skills while gaining broad exposure … ecosystems. In this role, you’ll gain exposure to: A wide variety of projects – from greenfield builds to large-scale platform modernisation Modern technologies and cloud-native tools including Python, FastAPI, AWS, PostgreSQL, Django, Kubernetes, Terraform, and GitHub A culture that values technical excellence, continuous learning, and creative problem-solving The ideal Backend Developer – Python will have: Proven experience building More ❯

Backend Developer – Python Location: London (Hybrid, 2 days per week) Are you a talented Backend Developer looking for a role that offers real variety, technical challenge, and the chance to work on projects that make an impact? Our client is a highly regarded digital innovator, delivering complex, high-performance systems for some of the most recognisable brands in Europe. They … re seeking a Backend Developer – Python to join their growing engineering team, where you’ll be involved in a range of exciting projects spanning different industries and technologies. You’ll work in a collaborative, fast-moving environment, developing scalable backend services that power large-scale digital platforms, giving you the opportunity to sharpen your technical skills while gaining broad exposure … ecosystems. In this role, you’ll gain exposure to: A wide variety of projects – from greenfield builds to large-scale platform modernisation Modern technologies and cloud-native tools including Python, FastAPI, AWS, PostgreSQL, Django, Kubernetes, Terraform, and GitHub A culture that values technical excellence, continuous learning, and creative problem-solving The ideal Backend Developer – Python will have: Proven experience building More ❯

Applied AI Software Engineer - Python, Fast API, AWS, LLMs OB are partnered with a high-growth, B2B SaaS start-up who are looking to hire a highly skilled Applied AI Engineer to their Product Engineering team, where you'll pioneer the development of complex applications leveraging GenAI models. This role won't be a role focused on building and training More ❯

you'll do: Build trading systems and market data infrastructure Develop quantitative research platforms and tools Optimize performance-critical financial applications Requirements: 2+ years software engineering experience Strong C Python/Java skills Trading experience preferred but not essential Our network: Pay: $150K-$800K+ based on experience Locations: London, Remote Focus: Trading platforms, risk systems, data infrastructure From high-growth More ❯

Engineer to join this team, and to work on data and trading infrastructure and a scalable data lake (AWS), which will ingest data sets from market data vendors. Stack: Python, Pandas/Polars, AWS, ETL This is a great opportunity for someone inside or outside of finance, to join a high performing team and build data systems that yield profit More ❯

Engineer to join this team, and to work on data and trading infrastructure and a scalable data lake (AWS), which will ingest data sets from market data vendors. Stack: Python, Pandas/Polars, AWS, ETL This is a great opportunity for someone inside or outside of finance, to join a high performing team and build data systems that yield profit More ❯

would also be useful. The role can be tailored to suit candidates with c 2 to 8 years relevant experience. You should also have strong IT skills including Excel, Python, VBA and SQL. This is an excellent role that will suit a high calibre analyst looking for the next step in their career. More ❯

would also be useful. The role can be tailored to suit candidates with c 2 to 8 years relevant experience. You should also have strong IT skills including Excel, Python, VBA and SQL. This is an excellent role that will suit a high calibre analyst looking for the next step in their career. More ❯

Python Architect – London (Onsite, Full-time) Competitive Salary + Bonus We’re working with a high-performing global investment firm that’s rebuilding its technology foundations — and they’re looking for a Python Architect to help design and deliver the systems that power their research, data, and risk functions. This is a chance to join a small, elite engineering team … across research, data, and operations. Develop scalable data flows and microservices that connect critical systems. Own architectural decisions around reliability, scalability and cloud infrastructure . Work hands-on with Python, Snowflake, Kubernetes, Docker, and Dash . Partner closely with quantitative analysts and business teams to deliver real-world solutions. What We’re Looking For Proven experience in Python engineering (backend More ❯

Python Architect – London (Onsite, Full-time) Competitive Salary + Bonus We’re working with a high-performing global investment firm that’s rebuilding its technology foundations — and they’re looking for a Python Architect to help design and deliver the systems that power their research, data, and risk functions. This is a chance to join a small, elite engineering team … across research, data, and operations. Develop scalable data flows and microservices that connect critical systems. Own architectural decisions around reliability, scalability and cloud infrastructure . Work hands-on with Python, Snowflake, Kubernetes, Docker, and Dash . Partner closely with quantitative analysts and business teams to deliver real-world solutions. What We’re Looking For Proven experience in Python engineering (backend More ❯

lifecycle management, P&L, and reconciliations , working directly with trading, quant, and operations teams. Requirements: 5+ years’ experience in trading or financial-technology environments Strong proficiency in C# and Python Experience with middle-office, risk, or trade lifecycle systems Pragmatic, collaborative engineer with a focus on reliability and scalability Highlights: High-impact engineering role within a top-performing macro fund More ❯

lifecycle management, P&L, and reconciliations , working directly with trading, quant, and operations teams. Requirements: 5+ years’ experience in trading or financial-technology environments Strong proficiency in C# and Python Experience with middle-office, risk, or trade lifecycle systems Pragmatic, collaborative engineer with a focus on reliability and scalability Highlights: High-impact engineering role within a top-performing macro fund More ❯

they’re looking for: Top-tier university background PhD is nice to have. Startup experience (ideally 0→1) Strong foundations in ML (deep learning, NLP, or recommendation systems) Solid Python skills, production deployment experience a plus Comfort working end-to-end: prototyping → scaling in production Why join? Office-based culture in London Direct impact on the core product and roadmap More ❯

this is a chance to be part of something from the ground up. You’ll have 3+ years of professional Software Engineering experience Proficiency in programming languages such as Python, C#, TypeScript, Go or Java A start-up mentality: thrive in fast-paced environments, hungry to take ownership Strong problem-solving and collaboration skills London-based and in-office by More ❯

optimise Metaheuristic optimisation and also develop code and to test it. The successful applicant will have a good relevant Degree or PhD with proficiency in Algorithm Software Development utilising Python, C++ or C#, along with: • Experience in Metaheuristic optimisation • Experience with AI/ML Techniques • Exposure to cloud-based data pipelines for large-scale test data processing for Data Centres. More ❯

this is a chance to be part of something from the ground up. You’ll have 3+ years of professional Software Engineering experience Proficiency in programming languages such as Python, C#, TypeScript, Go or Java A start-up mentality: thrive in fast-paced environments, hungry to take ownership Strong problem-solving and collaboration skills London-based and in-office by More ❯

operational support across distributed systems Contribute to ongoing improvements in reliability, latency, and scalability Qualifications: Linux expertise with a solid understanding of networking and containerisation Proficiency in at least Python Experience with observability tooling Proven track record in designing and maintaining highly distributed systems Apply now for a confidential chat More ❯

operational support across distributed systems Contribute to ongoing improvements in reliability, latency, and scalability Qualifications: Linux expertise with a solid understanding of networking and containerisation Proficiency in at least Python Experience with observability tooling Proven track record in designing and maintaining highly distributed systems Apply now for a confidential chat More ❯

Essential Skills & Experience 5+ years of hands-on development experience with the Fidessa trading platform . Strong understanding of equities trading . Proficiency in Java (including Spring framework) and Python . Excellent interpersonal, communication, and organisational skills. Desirable Skills Knowledge of other asset classes in Capital Markets. Experience with tools such as GitHub, Maven, Jenkins, Nexus, JIRA, Confluence. Familiarity with More ❯

including data quality, metadata management, and access control. Familiarity with big data technologies (e.g., Spark, Hadoop) and distributed computing. Proficiency in SQL and at least one programming language (e.g., Python, Java) 6 Month Contract Inside IR35 Immediately available Hybrid: up to 2 times in the London Office More ❯

storage and processing systems, and partnering with analysts and data scientists to deliver production-ready data solutions. They are looking for an experience data engineer with strong skills in Python, SQL, and modern cloud technologies to take a leading role in a forward-thinking, data-driven organisation. No up-to-date CV required. More ❯