301 to 325 of 1,483 Python Jobs in the City of London

fast, validate assumptions, and iterate Lay the groundwork for the future engineering team (tooling, processes, and architecture) ✅ Core Technical Requirements Proficient in one or more modern backend languages (e.g. Python, Go, TypeScript, Java, Rust) Strong systems design skills — you can model real-world systems and reason about scale, latency, and trade-offs Comfortable building from zero — greenfield work doesn’t More ❯

STEM field. 5+ years of hands-on experience in data science and AI engineering. Proven track record of delivering AI software and deploying solutions in production. Strong proficiency in Python and libraries such as PyTorch, TensorFlow, Scikit-Learn, Keras, Numpy, Pandas, Langchain, Pinecone, and more. Experience with cloud platforms and compute systems for model training and deployment. Excellent communication and More ❯

re Looking For 8+ years of professional Core Java development experience Strong knowledge of data structures and algorithms Hands-on experience with SQL and at least one scripting language (Python, Perl, Shell etc.) Solid understanding of network programming fundamentals Degree in Computer Science, Engineering, or related STEM field Experience leading and mentoring engineers in collaborative teams Excellent communication skills and More ❯

RBAC/ABAC/PBAC Solid understanding of security principles and architecture, particularly for databases and APIs Understanding of Platform & Configuration Security, and Platform Monitoring, Response and Governance Scripting (Python, Bash) for task automation Terraform Understanding of security threats like DDoS, brute force, exfiltration, spoofing, and other relevant threats 3 years of hands-on experience in platform or infrastructure security More ❯

re Looking For 8+ years of professional Core Java development experience Strong knowledge of data structures and algorithms Hands-on experience with SQL and at least one scripting language (Python, Perl, Shell etc.) Solid understanding of network programming fundamentals Degree in Computer Science, Engineering, or related STEM field Experience leading and mentoring engineers in collaborative teams Excellent communication skills and More ❯

SKILLS & EXPERIENCE Proven experience in machine learning, particularly in recommendation systems and deep learning architectures. Strong understanding of two-tower neural networks, embedding techniques, and ranking models. Proficiency in Python with familiarity to ML libraries e.g. pandas, numpy, scipy, scikit-learn, tensorflow, pytorch) Familiarity with cloud platforms (GCP, AWS, Azure) and tools like Dataiku. Experience with ML Ops, including model More ❯

RBAC/ABAC/PBAC Solid understanding of security principles and architecture, particularly for databases and APIs Understanding of Platform & Configuration Security, and Platform Monitoring, Response and Governance Scripting (Python, Bash) for task automation Terraform Understanding of security threats like DDoS, brute force, exfiltration, spoofing, and other relevant threats 3 years of hands-on experience in platform or infrastructure security More ❯

based access controls - Cryptographic protocols and secure key lifecycle management - Securing microservices, APIs, and DevSecOps best practices Skilled in penetration testing and hands-on coding with JavaScript, Java, or Python Strong understanding of vulnerability scanning, remediation, and vendor management Collaborative mindset with the ability to partner across engineering, security, and product teams Desirable Skills: Hands-on configuration, deployment, and operation More ❯

SKILLS & EXPERIENCE Proven experience in machine learning, particularly in recommendation systems and deep learning architectures. Strong understanding of two-tower neural networks, embedding techniques, and ranking models. Proficiency in Python with familiarity to ML libraries e.g. pandas, numpy, scipy, scikit-learn, tensorflow, pytorch) Familiarity with cloud platforms (GCP, AWS, Azure) and tools like Dataiku. Experience with ML Ops, including model More ❯

detail. Experience driving cross-team collaboration in complex environments. Desirable Master’s degree or PhD in a STEM discipline. Experience line managing managers. Intermediate/advanced programming skills in Python, Java, and SQL. Familiarity with modern data technologies (e.g., Couchbase, Apache Kafka, or equivalents). Experience overseeing large-scale strategic initiatives. More ❯

detail. Experience driving cross-team collaboration in complex environments. Desirable Master’s degree or PhD in a STEM discipline. Experience line managing managers. Intermediate/advanced programming skills in Python, Java, and SQL. Familiarity with modern data technologies (e.g., Couchbase, Apache Kafka, or equivalents). Experience overseeing large-scale strategic initiatives. More ❯

engineering culture. Candidate Profile 1–5 years’ experience in data engineering, analytics, or automation, ideally within financial services, consulting, or a data-heavy technical environment. Strong programming ability in Python (including libraries such as pandas and NumPy ) and proficiency with SQL . Confident working with ETL frameworks , data modelling principles, and modern data tools (Airflow, Kafka, Spark, AWS). Experience More ❯

engineering culture. Candidate Profile 1–5 years’ experience in data engineering, analytics, or automation, ideally within financial services, consulting, or a data-heavy technical environment. Strong programming ability in Python (including libraries such as pandas and NumPy ) and proficiency with SQL . Confident working with ETL frameworks , data modelling principles, and modern data tools (Airflow, Kafka, Spark, AWS). Experience More ❯

to identify high-impact opportunities and measure value delivered. Tech stack is open for this hire to implement best practices but this is roughly what they are currently using Python, SQL, Azure (AWS or GCP if also fine) + experience with LLMs and GenAI is beneficial. Experience within a PE-backed or high-growth company is a strong advantage (but More ❯

to identify high-impact opportunities and measure value delivered. Tech stack is open for this hire to implement best practices but this is roughly what they are currently using Python, SQL, Azure (AWS or GCP if also fine) + experience with LLMs and GenAI is beneficial. Experience within a PE-backed or high-growth company is a strong advantage (but More ❯

of DevOps tools. Familiarity with the finance industry is a plus. Experience with ETL tools and data visualization platforms (e.g., Tableau, Power BI). Knowledge of programming languages (e.g., Python, Apex) for data manipulation and automation. Familiarity with cloud computing concepts and technologies. More ❯

of DevOps tools. Familiarity with the finance industry is a plus. Experience with ETL tools and data visualization platforms (e.g., Tableau, Power BI). Knowledge of programming languages (e.g., Python, Apex) for data manipulation and automation. Familiarity with cloud computing concepts and technologies. More ❯

automated data pipelines. You should be comfortable with both the theory and practical application of extracting, transforming, and loading data between systems Programming for data : Strong scripting skills, including Python Infrastructure as code (IaC) : Experience deploying and managing cloud infrastructure using tools like Terraform or AWS CDK/CloudFormation Data modelling and warehousing: Dimensional Data Modeling : Deep understanding of data More ❯

Strong commercial acumen , with the ability to translate data insights into business strategies. Advanced analytical and quantitative skills , with expertise in statistical analysis and predictive modeling. Proficiency in SQL, Python, or R , and experience with data visualization tools such as Power BI, Tableau, or Looker Studio. Excellent stakeholder management skills , with the ability to communicate complex data findings to non More ❯

Strong commercial acumen , with the ability to translate data insights into business strategies. Advanced analytical and quantitative skills , with expertise in statistical analysis and predictive modeling. Proficiency in SQL, Python, or R , and experience with data visualization tools such as Power BI, Tableau, or Looker Studio. Excellent stakeholder management skills , with the ability to communicate complex data findings to non More ❯

judgement. Must-haves include: Strong penetration testing experience from planning to execution and reporting Understanding of vulnerability management and secure systems design Familiarity with DevSecOps tooling and scripting (e.g., Python, Jenkins, Ansible) Strong grasp of how to assess and break technical controls — and explain fixes OSCP certification (required); CRT, OSEP or similar a strong bonus Clear, professional communication skills with More ❯

judgement. Must-haves include: Strong penetration testing experience from planning to execution and reporting Understanding of vulnerability management and secure systems design Familiarity with DevSecOps tooling and scripting (e.g., Python, Jenkins, Ansible) Strong grasp of how to assess and break technical controls — and explain fixes OSCP certification (required); CRT, OSEP or similar a strong bonus Clear, professional communication skills with More ❯

got significant commercial development experience, ideally not all in the same week. You know your way around Git and probably have opinions about commit messages. You’re fluent in Python and don’t break out in hives at the sight of legacy code. You understand the importance of CI, testing, and not YOLOing into production. You’ve worked the full More ❯

numerate with the ability to convert technical analysis into real-world applications Strong knowledge of regression and time-series analytics Good knowledge of Excel, common statistical packages (Eviews, R, Python, etc.) and PowerPoint Interest in media & marketing Excellent communication skills, both written and spoken Excellent problem-solving skills Ambitious, determined and self-motivated Strong attention to detail and accuracy An More ❯

coverage and quality checks Standardise GitOps/declarative software development lifecycle Audit as a service What you’ll need to have to be successful: Strong experience with coding in Python coding A background of 5+ years in Software Engineering, using Google Cloud Platform (GCP) Data Ops Engineers take ownership of delivering high-performing, high-impact biomedical and scientific data ops More ❯