126 to 150 of 178 Python Jobs in Hertfordshire

production-grade systems that power real-world experiences for millions of users. What You'll Do Design, build, and maintain scalable backend systems using Python, GraphQL, and AWS services Implement microservices that interact with distributed systems and cloud infrastructure Write robust, testable, and efficient code to support mission-critical features … efforts across CI/CD, testing, and deployment What We're Looking For 7+ years of backend development experience, with a strong focus on Python *Experience building and maintaining GraphQL APIs or RESTful services *Proven experience working with cloud infrastructure – preferably AWS Lambda, DynamoDB, ECS, and S3 *Strong grasp ...

Senior+ Software Engineer - Python | FastAPI | AWS £90,000-120,000 + Bonus and Stock Flexible benefits | 90 day work-from-anywhere perk Python, FastAPI, gRPC, AWS Remote first or hybrid (London) InsurTech | high traffic, scalable, event-driven, microservices development We've partnered with one of the UK's most exciting … native architecture, contribute to new platform initiatives, and accelerate your path to seniority. They're building out high traffic, scalable, cloud-native, microservices using Python with FastAPI, gRPC GraphQL, AWS (EKS). You'd lead a rotating squad with exposure to multiple domains and technical challenges around developing complex, high ...

Senior+ Software Engineer - Python | FastAPI | AWS £90,000-120,000 + Bonus and Stock Flexible benefits | 90 day work-from-anywhere perk Python, FastAPI, gRPC, AWS Remote first or hybrid (London) InsurTech | high traffic, scalable, event-driven, microservices development We've partnered with one of the UK's most exciting … native architecture, contribute to new platform initiatives, and accelerate your path to seniority. They're building out high traffic, scalable, cloud-native, microservices using Python with FastAPI, gRPC GraphQL, AWS (EKS). You'd lead a rotating squad with exposure to multiple domains and technical challenges around developing complex, high ...

Machine Learning Engineer | Python | Pytorch | Natural Language Processing | LLM | Large Language Models | Remote, Europe About Us We build AI assistants that make technical knowledge instantly accessible. As a research engineer, you will work on advancing our system's ability to answer increasingly complex technical questions. Our technology is already deployed … that this position is fully remote in Europe but you MUST have the right to work in your country of residence. Machine Learning Engineer | Python | Pytorch | Natural Language Processing | LLM | Large Language Models | Remote, Europe ...

employable as a data analyst. Microsoft excel - to expert level. Learn SQL - the programming language used for extracting data from more complex databases. Learn Python 3 - Python 3 is a simple to use programming language used by many analysts. Learn Tableau - Tableu is a tool which analysts use to build ...

employable as a data analyst. Microsoft excel - to expert level. Learn SQL - the programming language used for extracting data from more complex databases. Learn Python 3 - Python 3 is a simple to use programming language used by many analysts. Learn Tableau - Tableu is a tool which analysts use to build ...

employable as a data analyst. Microsoft excel - to expert level. Learn SQL - the programming language used for extracting data from more complex databases. Learn Python 3 - Python 3 is a simple to use programming language used by many analysts. Learn Tableau - Tableu is a tool which analysts use to build ...

employable as a data analyst. Microsoft excel - to expert level. Learn SQL - the programming language used for extracting data from more complex databases. Learn Python 3 - Python 3 is a simple to use programming language used by many analysts. Learn Tableau - Tableu is a tool which analysts use to build ...

employable as a data analyst. Microsoft excel - to expert level. Learn SQL - the programming language used for extracting data from more complex databases. Learn Python 3 - Python 3 is a simple to use programming language used by many analysts. Learn Tableau - Tableu is a tool which analysts use to build ...

employable as a data analyst. Microsoft excel - to expert level. Learn SQL - the programming language used for extracting data from more complex databases. Learn Python 3 - Python 3 is a simple to use programming language used by many analysts. Learn Tableau - Tableu is a tool which analysts use to build ...

employable as a data analyst. Microsoft excel - to expert level. Learn SQL - the programming language used for extracting data from more complex databases. Learn Python 3 - Python 3 is a simple to use programming language used by many analysts. Learn Tableau - Tableu is a tool which analysts use to build ...

employable as a data analyst. Microsoft excel - to expert level. Learn SQL - the programming language used for extracting data from more complex databases. Learn Python 3 - Python 3 is a simple to use programming language used by many analysts. Learn Tableau - Tableu is a tool which analysts use to build ...

heart of decision-making within a dynamic and rapidly scaling digital media company. Key Responsibilities: • Design, build and ship production-grade agentic workflows in Python (ideally using LangGraph). • Support CI/CD and infra for AI services (ideally using Docker, Cloud Run & GitHub Actions). • Optimise the cost … years of experience as an AI/ML/Data Engineer. • Experience in applying LLMs and developing, testing and deploying agentic systems in Python (ideally LangGraph). • Deep knowledge of Python and relevant libraries (LangChain, LangGraph, FastAPI, Pydantic, etc). • Experience in designing, building, testing, deploying and maintaining data pipelines ...

training, benchmarking, and advancing large language models, collaborating closely with researchers. This includes curating code examples, providing precise solutions, and making corrections in Python, JavaScript (including ReactJS), C/C++, Java, Rust, and Go; evaluating and refining AI-generated code for efficiency, scalability, and reliability; and working with cross-functional … solutions. What Does a Typical Day Look Like? Working on AI model training initiatives by curating code examples, building solutions, and correcting code in Python, JavaScript (including ReactJS), C/C++, Java, Rust, and Go. Evaluate and refine AI-generated code to ensure that it is efficient, scalable, and reliable. ...

training, benchmarking, and advancing large language models, collaborating closely with researchers. This includes curating code examples, providing precise solutions, and making corrections in Python, JavaScript (including ReactJS), C/C++, Java, Rust, and Go; evaluating and refining AI-generated code for efficiency, scalability, and reliability; and working with cross-functional … solutions. What Does a Typical Day Look Like? Working on AI model training initiatives by curating code examples, building solutions, and correcting code in Python, JavaScript (including ReactJS), C/C++, Java, Rust, and Go. Evaluate and refine AI-generated code to ensure that it is efficient, scalable, and reliable. ...

facilitate reporting, analytics and ML models Lead cross-functional projects with analysts, scientists, engineers, and product teams to build data pipelines using Airflow, Python, and modern ETL frameworks Develop and automate reporting of key performance indicators of various Kraken's products at scale Develop high-quality code for pipelines … data build tool) to model and organize marketing, product, or performance data for reporting and decision-making Proficiency in SQL and familiarity with Python libraries such as pandas, matplotlib, and plotly Experience setting up and managing data pipelines, with a strong understanding of data workflow orchestration Capable of creating intuitive ...

facilitate reporting, analytics and ML models Lead cross-functional projects with analysts, scientists, engineers, and product teams to build data pipelines using Airflow, Python, and modern ETL frameworks Develop and automate reporting of key performance indicators of various Kraken's products at scale Develop high-quality code for pipelines … data build tool) to model and organize marketing, product, or performance data for reporting and decision-making Proficiency in SQL and familiarity with Python libraries such as pandas, matplotlib, and plotly Experience setting up and managing data pipelines, with a strong understanding of data workflow orchestration Capable of creating intuitive ...

facilitate reporting, analytics and ML models Lead cross-functional projects with analysts, scientists, engineers, and product teams to build data pipelines using Airflow, Python, and modern ETL frameworks Develop and automate reporting of key performance indicators of various Kraken's products at scale Develop high-quality code for pipelines … data build tool) to model and organize marketing, product, or performance data for reporting and decision-making Proficiency in SQL and familiarity with Python libraries such as pandas, matplotlib, and plotly Experience setting up and managing data pipelines, with a strong understanding of data workflow orchestration Capable of creating intuitive ...

Expleo has world class experts in the provision of real-time embedded systems, specialising in safety and mission critical control systems. We are currently looking to expand our team to support a blue-chip engineering ...

Expleo has world class experts in the provision of real-time embedded systems, specialising in safety and mission critical control systems. We are currently looking to expand our team to support a blue-chip engineering ...

transfer between cloud and on-prem systems Enhance laboratory testing programs to import/export data in a computer literate format Design and implement Python-based data ingestion pipelines to support scalable and efficient data processing Develop and maintain Python SDKs to enable seamless connectivity between databases and Databricks environments … years of working experience with production software in the role of Software Engineer, Software Architect, Data Engineer, Data Scientist or similar Excellent knowledge of Python Experience with REST or GraphQL APIs Experience with a Data Intelligence platform such as Databricks Experience with ITIL and agile project management Experience with Microsoft ...

transfer between cloud and on-prem systems Enhance laboratory testing programs to import/export data in a computer literate format Design and implement Python-based data ingestion pipelines to support scalable and efficient data processing Develop and maintain Python SDKs to enable seamless connectivity between databases and Databricks environments … years of working experience with production software in the role of Software Engineer, Software Architect, Data Engineer, Data Scientist or similar Excellent knowledge of Python Experience with REST or GraphQL APIs Experience with a Data Intelligence platform such as Databricks Experience with ITIL and agile project management Experience with Microsoft ...

solutions, is urgently seeking a Senior Data Engineer. You will work with actuarial and asset management datasets, building end-to-end data pipelines in Python (Pandas, NumPy), SQL, GCP (BigQuery), DBT, and Databricks. This role focuses on large-scale financial data, automating processes, integrating multiple data sources, and delivering actionable … Experience: Actuarial/Asset Management Data: Hands-on experience with financial securities, portfolio valuations, or actuarial outputs in investment, reinsurance, or life insurance environments. Python & SQL: Build analytical pipelines and scalable data solutions using Pandas, NumPy, and SQL. Cloud/Tools: Experience with GCP (BigQuery), DBT, and Databricks. Domain Expertise ...

cutting-edge AI systems that power healthcare innovation at scale. Full remote flexibility across the UK, total ownership of greenfield projects, modern tech stack (Python/FastAPI/Cloud), and a culture that rewards curiosity, autonomy, and clean engineering. An AI HealthTech company is expanding its high-calibre engineering team … designing, building, and scaling complex systems that solve real problems in healthcare. Role Design and build production-grade backend systems using Python and FastAPI Develop distributed, high-performance services and APIs for AI-driven platforms Contribute to architecture decisions, scalability planning, and system optimisation Implement best practices in testing ...

Develop and maintain MI/BI reports and dashboards (ideally in QuickSight). Build, test, and optimise ETL/ELT processes using AWS Glue, Python, and SQL. Analyse complex reporting requirements and deliver scalable solutions. Review and validate report accuracy and data integrity. Recommend improvements to reporting processes and standards. … skills; extensive experience with Amazon Redshift (and ideally MySQL). Experience with data visualisation tools (preferably Amazon QuickSight). Proficient in AWS Glue and Python for ETL. Strong data modelling and dashboard development skills. Experience working in an Agile environment. Good communication, mentoring ability, and a proactive, collaborative approach. Familiarity ...