22 of 22 Contract Python Jobs in the City of London

UDFs/Stored Procedures, Time Travel and Cloning. Snowpark and end-to-end pipeline development. Experience with PySpark, Polars or Dask is also valuable. Python, including testing, build tooling and engineering best practices. SQL, including Snowflake-optimised SQL. dbt, including Jinja templating, or equivalent transformation frameworks. CI/CD, ideally ...

advanced analytical queries, and reconciliation). Strong Azure Cloud Stack Experience: Azure Data Factory (ADF) Azure SQL DB Azure Data Lake/Lakehouse architectures Python for data manipulation & automation Proven experience across all migration phases: Strategy, Discovery, Cleansing, Mapping, Execution, and Post-migration Validation. Hands-on proficiency with Azure DevOps ...

Amazon Lex plus LLM-based development (Amazon Bedrock, Q in Connect, or equivalent), including prompt engineering and tool calling Strong TypeScript/Node.js and Python; production React experience; solid AWS serverless engineering (Lambda, EventBridge, API Gateway, DynamoDB, Step Functions, Kinesis) Infrastructure as code proficiency with AWS CDK or Terraform, including ...

teams. Essential Requirements 5+ Years Experience: Hands-on Data Science & Analytics within B2C, FinTech, Consumer Tech, or E-Commerce . Core Stack: Advanced SQL & Python (or R) to maintain existing codebases and pipelines. Production ML: Proven expertise in retraining, monitoring, and debugging live ML models. BAU Operator: High autonomy ...

existing platforms. Key Skills 5+ years of commercial software engineering experience. Strong backend development experience in Java + Spring environments. Experience working with Python and/or the Microsoft technology ecosystem. Strong understanding of distributed systems and scalable application design. Experience designing modular applications, services or microservice-based architectures. Strong ...

similar RAG, tool/function calling and grounding LLMs against enterprise data Prompt and agent instruction design LLM evaluation, guardrails, observability and security Strong Python and SQL REST APIs, JSON, webhooks and enterprise integrations Querying and manipulating data for AI use cases Rapid prototyping and taking ideas from POC through ...

operating at senior practitioner level as a Machine Learning Engineer, AI Engineer or equivalent Strong grounding in applied mathematics, statistics and scientific practice Excellent Python skills for building, evaluating and deploying machine learning models Experience evaluating models through quantitative evidence and structured experimentation Strong software engineering practices, producing readable, testable ...

microservice-based systems - Proven ability to modernise or integrate legacy applications into modern software and platform architectures - Solid development experience in TypeScript and Python - Experience working across software delivery, infrastructure, CI/CD, and operational environments - Confidence providing technical leadership and architectural direction without relying on formal authority - Ability ...

successful in this role, you will bring: - Significant hands-on experience as a senior or lead data engineer on complex, real-world systems - Strong Python and Spark skills, with evidence of building and maintaining production data pipelines - Deep understanding of the data engineering lifecycle: ingestion, transformation, storage and serving - Experience ...

Backend Developer (Python) 6 Months London (Hybrid) £(Apply online only) per day (Inside IR35) ***Please note - The selected candidate MUST HAVE strong Banking Experience to be considered for this position*** My client, a tier 1 bank, looking for an experienced Backend Developer to join a high-performing engineering team within … global financial services environment. The role focuses on building, modernising and supporting highly distributed, business-critical backend systems. Key Requirements Strong Python backend development Advanced SQL/database development Microservices and event-driven architecture Kafka and/or Tibco TDD and automated testing Kubernetes and/or OpenShift Prometheus, Grafana ...

3+ years working with Elasticsearch, Logstash & Kibana (ELK Stack) Experience with Ansible Knowledge of Kafka Experience working with Kubernetes Exposure to ArgoCD Scripting experience (Python, Bash, Shell) Experience with GitLab Infrequent travel to London ECS Recruitment Group Ltd is acting as an Employment Business in relation to this vacancy. ...

relevant certifications (CCNA/CCSP or Equivalent) Exposure to SASE and Zero-Trust network transformations with identity-driven segmentation models. Automation experience using Python, Ansible, or infrastructure-as-code approaches for network security tasks. If you're interested in this role, click 'apply now' to forward an up-to-date ...

Python/Applied AI Engineer Contract Duration: 3 months Location: Remote IR35: Inside IR35 VIQU are in need of a Python engineer to support a customer with building an AI Chatbot using Python and LlamaIndex. Key Technologies: Python 3.12+ LlamaIndex/RAG Azure AI Foundry/OpenAI Typesense/Vector … Search PostgreSQL/Pydantic Plotly Dash Key Duties: Develop and enhance production-grade Python AI applications and chatbot capabilities. Build and improve RAG pipelines, retrieval and document search. Extend LlamaIndex agents, workflows, retrievers and tool-calling capabilities. Integrate LLMs, APIs, databases and structured organisational data. Improve AI answer quality, citations ...

Senior AWS DevOps Engineer IaC, Serverless, CDK, Terraform, Python, OIDC, IAM Rules Outside IR35 A standout contract opportunity with a global, market-leading B2B SaaS organisation undergoing a greenfield platform build involving AI adoption, and modern engineering practices. Were expanding our UK DevOps function and looking for a Senior … driving solutions proactively. Designing, building, and maintaining secure, scalable, resilient AWS serverless infrastructure Developing automation, tooling, and workflow orchestration using Python and TypeScript Implementing complex workflows using AWS Step Functions , Lambda, EventBridge, DynamoDB Streams, and API Gateway Building and maintaining IaC using AWS CDK , Terraform , and CloudFormation Implementing modern identity ...

Your new company A highly regarded technology and quantitative development team is looking to hire a Python Quant Developer to support the design, development and delivery of business-critical trading, pricing and analytics platforms. Working in a fast-paced engineering environment, you will collaborate closely with quantitative analysts, traders … technology teams to deliver robust solutions that directly impact front-office business functions. Your new role As a Python/Quant Developer, you will be responsible for building and delivering high-performance applications, analytics tools and platform integrations across the full software development life cycle. This is not a siloed ...

Senior AWS DevOps Engineer IaC, Serverless, CDK, Terraform, Python, OIDC, IAM Rules Outside IR35 A standout contract opportunity with a global, market-leading B2B SaaS organisation undergoing a greenfield platform build involving AI adoption, and modern engineering practices. Were expanding our UK DevOps function and looking for a Senior ...

week onsite in London. Accountabilities Play a pivotal role within the backend engineering team, helping to build cloud-based applications. Develop backend solutions using Python and AWS Cloud services. Adopt a serverless-first approach to application design. Collaborate within an Agile team alongside other backend engineers and product designers. Strategise … drive continuous improvement across development practices and technical solutions. Knowledge and Skills Demonstrable experience working as a Senior Backend Developer. Strong commercial experience with Python as a primary development language. Hands-on experience developing RESTful APIs and/or GraphQL. Experience with AWS Cloud services. Experience with serverless architecture ...

thrives on high-performance environments and loves automating infrastructure. In this role, you will manage large-scale Linux systems, eliminate manual work with Python and Ansible, and ensure seamless network traffic flow across critical financial systems. Key Responsibilities Linux Systems Admin: Keep core Red Hat/Linux server infrastructure fast … secure, and resilient. Automation: Write clean scripts and playbooks in Python , Bash , and Ansible to automate repetitive tasks and system deployments. Network & Traffic Management: Manage load balancing, SSL, and network traffic across F5 BIG-IP and core TCP/IP infrastructure. Troubleshooting: Diagnose and resolve complex infrastructure performance issues under ...

that align with business requirements, enterprise architecture standards and modern engineering practices. Key responsibilities will include: Designing, developing, testing and maintaining software solutions using Python and AWS . Supporting discovery, technical analysis and backlog refinement. Collaborating with architects, engineers and product teams to shape technical solutions. Participating in peer code … integration of cloud and platform services. About You We are looking for a Senior Software Engineer with: Strong commercial experience developing software with Python . Strong experience working with AWS and cloud-based technologies. Experience working within Agile engineering environments. Good understanding of CI/CD, testing and software engineering ...

addressing real business and operational problems - Apply statistical, mathematical and scientific approaches to explore data, test hypotheses and support decision-making - Write and maintain Python code to support data preparation, analysis and modelling - Work with production data pipelines, contributing to the data engineering tasks needed to support analytics and models … this role, you will bring: - Around 2-3 years' experience working as a Data Scientist or in a closely related analytical role - Strong Python skills, with experience contributing to shared codebases - A solid grounding in statistics, applied mathematics and scientific analysis techniques - Experience working with real-world datasets, including cleaning ...

JFrog Artifactory and Xray as part of the bank's CI/CD pipelines Managing repositories and package lifecycles across .NET (NuGet), Maven and Python ecosystems Extending the integration between JFrog and ServiceNow, so security findings and controls flow into change and vulnerability processes Making sure every application follows …/CD environment - this is essential Experience with binary repository and package management for at least one of .NET/NuGet, Maven or Python, ideally more GitHub and GitHub Actions experience (TeamCity is used too, but Jenkins or similar is fine - it can be picked up) A solid understanding ...

customers to understand real-world needs and translate them into well-defined AI problems - Apply modern AI and machine learning techniques using strong Python engineering skills - Build solutions that can operate in secure, constrained or offline environments without reliance on external services - Consider performance, scalability and resilience when deploying … successful in this role, you will bring: - Strong, demonstrable experience as an Applied AI Scientist, Data Scientist or similar hands-on technical role - Excellent Python skills, with the ability to write clean, efficient, production-quality code - Experience developing and deploying AI solutions outside of fully managed cloud services - Solid understanding ...