1,601 to 1,625 of 6,794 Permanent Python Jobs

from performance and wearable data Optimise and fine-tune LLMs for efficiency, scalability, and accuracy in production environments Build and maintain robust data pipelines and scalable backend components in Python Collaborate cross-functionally with engineers, data scientists, designers, and product managers to ship AI-first features Requirements: 2+ years of hands-on AI Engineering experience, with strong software engineering fundamentals … Proven experience working with LLMs in production (fine-tuning, prompt engineering, or API integrations) Proficiency in Python Experience designing and deploying RAG pipelines (vector databases, embeddings, retrieval optimisation) Academic Excellence: BSc or MSc in Computer Science, AI, Data Science, or related technical field from a top university Familiarity with frameworks such as PyTorch, Hugging Face, LangChain, or LlamaIndex Passionate about More ❯

from performance and wearable data Optimise and fine-tune LLMs for efficiency, scalability, and accuracy in production environments Build and maintain robust data pipelines and scalable backend components in Python Collaborate cross-functionally with engineers, data scientists, designers, and product managers to ship AI-first features Requirements: 2+ years of hands-on AI Engineering experience, with strong software engineering fundamentals … Proven experience working with LLMs in production (fine-tuning, prompt engineering, or API integrations) Proficiency in Python Experience designing and deploying RAG pipelines (vector databases, embeddings, retrieval optimisation) Academic Excellence: BSc or MSc in Computer Science, AI, Data Science, or related technical field from a top university Familiarity with frameworks such as PyTorch, Hugging Face, LangChain, or LlamaIndex Passionate about More ❯

C#/React Risk Developer City of London – Global Investment Bank Hybrid Set up. Department – Risk Management, Derivative and Analytics – Must have experience. C#, JavaScript, React, Python, TypeScript, Risk, Analytics – VaR, Greeks, Front Office, CI/CD, SQL, AWS, Derivatives Permanent Hire - £100,000 - £150,000 basic plus bonus and benefits Harrington Starr is working with an International Investment Bank … and Fixed Income & OCT Derivatives trading application. As the senior .NET C# developer you will have experience with the Microsoft Stack including JavaScript, TypeScript and React. Any experience with Python Development would also be beneficial. Key Technical Skills: Proven track record in C#.NET development Experience with React and JavaScript/Typescript Experience with T-SQL and SQL Server Experience with More ❯

and wants to make a tangible impact. As a Lead Backend Engineer, you'll take ownership of designing and scaling cloud-native backend systems. You'll work primarily with Python (FastAPI) and play a key role in shaping the architecture of microservices that support millions of users. Beyond hands-on development, you'll provide technical leadership, mentor team members, and … a high-impact role where your work directly drives product growth, system resilience, and platform evolution. What will I be doing: Design, develop, and optimise scalable backend services in Python, leveraging FastAPI. Lead architectural discussions with a focus on performance, scalability, and reliability. Deliver complex features end-to-end - from design through deployment and monitoring. Provide mentorship through code reviews … the platform's service-oriented architecture. Champion the use of AI and automation to enhance productivity across the team. What experience do I need: Strong background building and scaling Python-based systems (FastAPI, Flask, or Django REST). Proven leadership experience in a development environment Solid expertise in microservices, APIs, messaging patterns, and distributed systems. Proficient with cloud platforms (AWS More ❯

C#/React Risk Developer City of London – Global Investment Bank Hybrid Set up. Department – Risk Management, Derivative and Analytics – Must have experience. C#, JavaScript, React, Python, TypeScript, Risk, Analytics – VaR, Greeks, Front Office, CI/CD, SQL, AWS, Derivatives Permanent Hire - £100,000 - £150,000 basic plus bonus and benefits Harrington Starr is working with an International Investment Bank … and Fixed Income & OCT Derivatives trading application. As the senior .NET C# developer you will have experience with the Microsoft Stack including JavaScript, TypeScript and React. Any experience with Python Development would also be beneficial. Key Technical Skills: Proven track record in C#.NET development Experience with React and JavaScript/Typescript Experience with T-SQL and SQL Server Experience with More ❯

Azure Data Factory for data ingestion and transformation Work with Azure Data Lake, Synapse, and SQL DW to manage large volumes of data Develop data transformation logic using SQL, Python, and PySpark code Collaborate with cross-functional teams to translate business requirements into data solutions Create mapping documents, transformation rules, and ensure quality delivery Contribute to DevOps processes, CI/… Technology is essential Experience with Reinsurance is advantageous (please outline in your CV) Solid expertise with Azure Databricks, Data Factory, ADLS, Synapse, and Azure SQL Strong skills in SQL, Python, and PySpark Solid understanding of DevOps, CI/CD, and Agile methodologies Excellent communication and stakeholder management skills Need to be available within 6 weeks More ❯

Azure Data Factory for data ingestion and transformation Work with Azure Data Lake, Synapse, and SQL DW to manage large volumes of data Develop data transformation logic using SQL, Python, and PySpark code Collaborate with cross-functional teams to translate business requirements into data solutions Create mapping documents, transformation rules, and ensure quality delivery Contribute to DevOps processes, CI/… Technology is essential Experience with Reinsurance is advantageous (please outline in your CV) Solid expertise with Azure Databricks, Data Factory, ADLS, Synapse, and Azure SQL Strong skills in SQL, Python, and PySpark Solid understanding of DevOps, CI/CD, and Agile methodologies Excellent communication and stakeholder management skills Need to be available within 6 weeks More ❯

based, collaborative team) Salary: £55,000 - £65,000 Industry: Data Analytics/Software Start: ASAP As a Full Stack Developer, you will: Design and implement services using Java and Python . Collaborate on infrastructure setup and maintenance. Focus on testing, coding, and refactoring to ensure high-quality solutions. Work closely with cross-functional teams (developers, DevOps, data scientists, product managers … in an agile methodology . Their Tech Stack includes: Backend: Spring & Spring Boot, Java, Python, FastAPI Frontend: Vue.js Cloud: AWS Databases: Elasticsearch & Postgres And more... This role offers exciting opportunities to dive into various areas, including Natural Language Processing, Random Forest and Monte Carlo Simulations, Classification, Big Data ETL Pipelines, High Volume Event Processing, Predictive Analysis, CI/CD Cloud More ❯

tools can be either web dashboards or Excel tools backed by robust libraries or web services. Design and build data solutions and ETLs (using SQL, no-SQL, C#, and Python) for market data, quant analytics and alpha generation. 3-5 years of relevant experience Bachelor's degree, preferably in a quantitative degree Excellent quantitative reasoning and software design Demonstrated professional … Python skills Clear grasp of SQL and relational database fundamentals Strong verbal and written communication skills Operates with the highest degree of ethics and integrity Nice to have Knowledge of financial instruments & data: FX, Futures, Interest Rates derivatives, Options Proficiency in another programming language such as C#, Java or C++ Web development skills Experience with AWS More ❯

for a Lead Full Stack Engineer to join their team. What will I be doing: Design, develop, test, deploy, and maintain robust and scalable backend systems and APIs using Python Build intuitive, performant, and delightful frontend user interfaces using modern JavaScript frameworks like React Work with databases to design schemas, write efficient queries, and ensure optimal performance Contribute to overall … translate requirements into technical solutions Mentor Senior Engineers int he team What are we looking for: At least 7+ years in professional full-stack software development Strong proficiency in Python for backend development Experience with modern frontend frameworks (React, Vue, Angular) Solid understanding of database technologies (PostgreSQL, MySQL) and data modeling Experience designing and building RESTful APIs Experience with cloud More ❯

for a Lead Full Stack Engineer to join their team. What will I be doing: Design, develop, test, deploy, and maintain robust and scalable backend systems and APIs using Python Build intuitive, performant, and delightful frontend user interfaces using modern JavaScript frameworks like React Work with databases to design schemas, write efficient queries, and ensure optimal performance Contribute to overall … translate requirements into technical solutions Mentor Senior Engineers int he team What are we looking for: At least 7+ years in professional full-stack software development Strong proficiency in Python for backend development Experience with modern frontend frameworks (React, Vue, Angular) Solid understanding of database technologies (PostgreSQL, MySQL) and data modeling Experience designing and building RESTful APIs Experience with cloud More ❯

Engineer (Contract) will architect, build, and maintain robust data solutions within a Google Cloud Platform ecosystem. Role Highlights – Design and deliver scalable ETL and ELT pipelines using SQL and Python – Build and optimize data architectures in Google Cloud Platform (GCP) – Partner with analysts, product owners, and developers to ensure reliable data delivery – Champion best practices for governance, lineage, and performance … Enhance data observability and automate key workflows for efficiency You Will Need – Advanced hands-on experience with SQL, Python, and core GCP tools (BigQuery, Dataflow, Pub/Sub, Composer or similar) – Proven background in full-lifecycle data engineering and automation – Strong understanding of CI/CD and infrastructure-as-code for data systems – Experience with both batch and streaming data More ❯

Engineer (Contract) will architect, build, and maintain robust data solutions within a Google Cloud Platform ecosystem. Role Highlights – Design and deliver scalable ETL and ELT pipelines using SQL and Python – Build and optimize data architectures in Google Cloud Platform (GCP) – Partner with analysts, product owners, and developers to ensure reliable data delivery – Champion best practices for governance, lineage, and performance … Enhance data observability and automate key workflows for efficiency You Will Need – Advanced hands-on experience with SQL, Python, and core GCP tools (BigQuery, Dataflow, Pub/Sub, Composer or similar) – Proven background in full-lifecycle data engineering and automation – Strong understanding of CI/CD and infrastructure-as-code for data systems – Experience with both batch and streaming data More ❯

to shaping the future of water management through scalable, resilient, and intelligent digital solutions Position Overview We are seeking a forward-thinking Director of Software Development with expertise in Python, Django, SaaS platforms, real-time industrial systems, IoT, Hybrid Twins, and deployment across edge, cloud, and on-prem environments. This leader will drive innovation, ensure the quality and timely delivery … a culture of accountability, innovation, and engineering discipline. Technical Oversight Ensure code quality, maintainability, and adherence to engineering best practices across all projects. Oversee the architecture and development of Python/Django-based platforms. Provide technical guidance and hands-on support when needed, including reviewing designs and code. Drive adoption of secure coding standards, automated testing, CI/CD pipelines … degree in Computer Science, Software Engineering, or related field. 10+ years of experience in software engineering, with at least 5 years in technical leadership. Strong hands-on background in Python, Django, and modern software architecture. Proven experience delivering real-time industrial systems, IoT platforms, SaaS applications, and Hybrid Twin solutions. Demonstrated success in ensuring code quality, on-time delivery, and More ❯

Title: Site Reliability Engineer (Python Development) Do you want to join a global leader within the fintech space? Our client is seeking a Site Reliability Engineer to join their global team. In this role, the successful candidate will design and build tools that make operations faster, more reliable, and more efficient. They will work across the full stack—front-end … Develop and consume RESTful APIs (primarily Flask). Collaborate in an Agile/Scrum environment using tools such as Jira and Bitbucket. Candidate Profile 1+ years of hands-on Python development experience , ideally with automation or tooling projects. Experience with Flask and/or Django . Knowledge of network and security automation (routing, switching, firewalls, VPNs) is beneficial. Proven experience More ❯

Engineer - Insurance, The City of London My client an insurance organisation, based in The City of London has a requirement for a permanent Data Engineer. Key skills: Programming Languages -Python, SQL Microsoft SQL Server technologies, specifically Azure SQL Database and SQLite ETL technologies like SSIS, Azure Data Factory Cloud based technologies - SaaS and PaaS PowerBI Good to advanced Excel skills More ❯

Job Title: Full Stack Developer Location: London, UK (Remote) Job Type: Full-time contract, 12 Months Role’s Responsibilities: • Design, develop, and maintain end-to-end web applications using Python, JavaScript (Node.js/React), and MongoDB. • Build and deploy microservice-based architectures aligned with 12-Factor App principles, ensuring scalability, maintainability, and resilience. • Collaborate with product managers, designers, and other … cloud platforms (AWS), focusing on reliability, performance, and cost optimization. • Troubleshoot production issues, monitor system health, and contribute to continuous improvement initiatives. Skills: Mandatory Skills: • Strong programming skills in Python and JavaScript (Node.js and React). • Hands-on experience with MongoDB (schema design, indexing, and performance optimization). • Solid understanding of microservice architecture and 12-Factor App methodology. • Familiarity with More ❯

Job Title: Full Stack Developer Location: London, UK (Remote) Job Type: Full-time contract, 12 Months Role’s Responsibilities: • Design, develop, and maintain end-to-end web applications using Python, JavaScript (Node.js/React), and MongoDB. • Build and deploy microservice-based architectures aligned with 12-Factor App principles, ensuring scalability, maintainability, and resilience. • Collaborate with product managers, designers, and other … cloud platforms (AWS), focusing on reliability, performance, and cost optimization. • Troubleshoot production issues, monitor system health, and contribute to continuous improvement initiatives. Skills: Mandatory Skills: • Strong programming skills in Python and JavaScript (Node.js and React). • Hands-on experience with MongoDB (schema design, indexing, and performance optimization). • Solid understanding of microservice architecture and 12-Factor App methodology. • Familiarity with More ❯

challenging, meaningful work where your code genuinely makes a difference. What you'll be doing: Designing, developing, and deploying high-assurance software solutions within secure environments. Working across Java, Python, JavaScript, or TypeScript-based systems depending on project needs. Delivering in agile teams alongside cyber, data, and infrastructure specialists. Building scalable cloud-native applications and services in AWS . Contributing … to continuous improvement and innovation across the engineering function. Experience required: Proven commercial software development experience in Java , Python , JavaScript , or TypeScript . Familiarity with AWS cloud services and best practices. Understanding of secure software engineering principles and CI/CD pipelines. Strong communication skills and ability to collaborate in multidisciplinary teams. Must be eligible for UK DV clearance (typically More ❯

excellent development opportunities. Key Responsibilities: Software design, development, and debugging on secure systems Creating and maintaining test frameworks (e.g., JUnit 5) Developing in Linux environments with modern languages (Java, Python) Working with Agile/SCRUM practices and CI/CD pipelines (GitLab) Contributing across the software development lifecycle from requirements to deployment Tech Stack Includes: Java, Python, Linux, Git, JUnit More ❯

Senior Software/Platform Engineer (LLM/AI Interest) | Brand new AI Platform 💰 £120,000 - £130,000 📍 London - 4 days a week in office (Paddington) 🛠️ Python, GCP, Kubernetes, Terraform, CI/CD, AI/LLM interest Here at Burns Sheehan, we’re working with a leading UK tech business in the payments and financial services space - processing billions in transactions … Partnering closely with engineering, security, and product teams to deliver safe, production-ready AI systems. What They’re Looking For: Strong background in Software or Platform Engineering - ideally with Python, Java or Go. Experience with Kubernetes, Terraform, and cloud environments (GCP preferred). Understanding of microservices, distributed systems, and cloud-native architecture. Interest or experience in AI infrastructure, LLM tooling More ❯

and solution design. What you’ll do Architect and implement scalable data platforms to ingest, store, and transform large, complex datasets across Azure services. Develop clean, efficient, and reusable Python code to enable advanced data engineering workflows. Design and build AI solutions Advise clients on AI strategy, best practices, and how to get the most value from their data. Working … with Azure Synapse , Azure Data Factory , Microsoft Fabric and Databricks . Experience delivering AI/ML solutions Strong skills with Microsoft Azure, AI and Data Science. Hands-on with Python, SQL, and related tech. Experience with Generative AI, LLMs, and NLP frameworks. Implementing AI into enterprise systems at scale. A plus if you have Microsoft Copilot experience. Great communicator and More ❯

security tools: Checkov, Prisma Cloud, Aqua, Snyk, etc. Certifications preferred: AWS/Azure/GCP Security Specialty, CISSP, CCSP, Terraform Associate. Proficiency in Automation by using Powershell, Bash and Python, etc. More ❯

range of technology with C# .Net backend and TypeScript and React frontend; you'll also gain exposure to a range of other technology in the stack including Snowflake, Azure, Python and SQL. The team has lots of Greenfield projects in the pipeline, you'll work on a range of projects, supported by more senior engineers. Location/WFH: There's … also have frontend development experience with React and/or TypeScript It would be great if you have experience with any of the following (although not essential!): Snowflake, Azure, Python and SQL You're a technology enthusiast and keen to learn You're collaborative with great communication and problem solving skills You're degree educated in a STEM discipline What More ❯

Senior Software Engineer to help lead the technical evolution of this critical platform. The Opportunity You’ll join a growing team building scalable, secure systems using React , Python , and AWS , helping to drive our mission to cut the impact of flooding in half.This is more than just building products — it’s about delivering real-world impact through technology. What You … improve engineering workflows Shape technical strategy and contribute to long-term system improvements Drive code quality, observability, and resiliency across services Tech Stack Frontend : React, JavaScript/TypeScript Backend : Python (FastAPI, Flask, or Django), ideally with geospatial data processing Cloud : AWS (Lambda, ECS, RDS, S3, API Gateway, etc.) DevOps : Docker, CI/CD pipelines, Git Orchestration : Airflow or similar tools More ❯