101 to 125 of 221 SQL Jobs in the City of London

Significant experience in security engineering or architecture, including end-to-end ownership of security architecture for production platforms. Strong Python skills; comfortable with Bash, SQL and log query languages. Infrastructure-as-code and GitOps (Terraform, Ansible, Helm). Deep understanding of authentication, authorisation and secrets management (OIDC/OAuth, Azure ...

responsibility rather than purely architectural oversight. Strong backend and database skills . Production experience with TypeScript/JavaScript and Node.js , API design, asynchronous programming, SQL and relational data modelling. Evidence of performance improvement. Practical experience profiling applications, diagnosing bottlenecks and reducing end-to-end latency, with before-and-after measurements. ...

Analytical Thinker: You're comfortable and have proven ability combining structured reasoning with data-driven insight Data Fluent: You know your way around SQL and can extract insight from messy datasets, but your real strength is turning those insights into action and decisions Cross-functional Collaborator: You can move fluidly ...

rotation as required. Required Skills and Experience: Tech Ops Support role within an investment bank or financial institution. Solid experience with Unix/Linux, SQL, and at least one Scripting language (Python, Shell, or Perl). Understanding of trade life cycle, market data flows, and risk management processes. Exposure ...

TypeScript Hands-on experience with GCP (Cloud Run, Pub/Sub) Hands on experience with Kafka/Messaging Prior working experience with PostgreSQL/SQL Practical AI Agents (Tool-calling, MCP, Vertex AI) Remote (UK-based) | 6-Month Initial Contract |??£60 per hour (Umbrella) Inside IR35 If you thrive ...

end. You’ll collaborate with Data, Product, and Client Success teams to identify friction points and ship measurable improvements. Strong Python/SQL/JS and AI tooling experience is required. #J-18808-Ljbffr ...

Senior Technical Systems Analyst Python/PowerShell/Snowflake/SQL/Financial Crime London (Hybrid - 3 days on-site p/w) up to £80,000 + Benefits + Bonus Are you a Technical Systems Analyst who enjoys turning complex business needs into robust technical solutions? This Senior Technical ...

sales efforts on diverse projects. The candidate should have 1 year of Alteryx experience, strong communication, and a solid understanding of data modelling and SQL within relational databases, and a working knowledge of Agile methodologies. #J-18808-Ljbffr ...

will own end-to-end delivery and work directly with clients to translate requirements into impactful outcomes. The role requires strong Python/SQL and TypeScript/REACT skills, familiarity with Palantir Foundry or Gotham, and a high EQ to navigate complex environments with #J-18808-Ljbffr ...

grade solutions. Key skills: Python (5+ years) Celery, Redis, Celery Beat, Flower MCP (Model Context Protocol) LangChain and/or LangGraph React & AG Grid SQL (Oracle desirable) REST APIs & distributed systems Stakeholder engagement & requirements gathering Desirable: Commodities, market data or trading experience Docker/Kubernetes RAG, vector databases ...

similar data pipeline/orchestration technologies Experience configuring and integrating workflow tooling such as Jira Experience with database and storage technologies such as: SQL Elasticsearch MongoDB DSE/Cassandra Redis Experience delivering solutions within complex, secure technical environments Square One embraces diversity and will treat everyone equally. Please ...

Fully Remote Senior Full Stack Python Developer (Python, Django, SQL/Postgres, Typescript, ReactJS) - Solo Python Developer Role - Up to £65,000 - Fully Remote (They do have an office based near Gatwick Airport if you want to work from an office) - Open to applicants in the UK Only (No Sponsorship ...

identify trends and contribute to continuous improvement initiatives. Qualifications Prior experience in trading or trade support environment is mandatory. Strong computer skills, Linux, Python, SQL is beneficial. ITRS Geneos is beneficial. Excellent organizational skills. Candidate must have outstanding verbal and written communication skills, and demonstrate command in prioritization and reporting ...

development of new AI offerings Experience Required Building robust AI services and APIs using Python, FastAPI, Django or Flask, supported by strong SQL Create engaging, responsive AI products using TypeScript, JavaScript, React and Next.js Ground LLM applications in trusted business data through RAG, MCP and model integration Design multi-agent ...

relevant degree 2:1 or above Use of relevant analytical tooling on a day-to-day basis e.g. Python, SAS, BigQuery, Jupyter Notebook, SQL, etc. Previous experience of developing regression models and scores - e.g. logistic Day to day exposure to large/complex datasets, analytical tools, spreadsheets, analytical platforms, etc. ...

solutioning and implementation lifecycle. Technical Requirements Understanding of relational data modelling concepts (entities, relationships, keys, hierarchies) and familiarity with data dictionaries Proficiency in writing SQL queries and advanced Excel Working knowledge of APIs Experience writing test scenarios, coordinating UAT, and triaging defects with QA and Product, including first-line investigation. ...

.NET Developer with 7+ years of experience to build, enhance, and support enterprise applications. This role requires strong hands-on development in C#, deep SQL expertise focused on troubleshooting and data analysis, and the ability to deliver business-critical insights through Power BI. The developer will also support SaaS applications … ASP.NET Core) Build and support APIs and integrations across internal and third-party systems Ensure code quality, scalability, and performance across the full SDLC SQL/Data Troubleshooting (Core Focus) Perform complex SQL querying and troubleshooting to support production issues Analyse, debug, and resolve data-related defects and performance bottlenecks ...

from messy, complex datasets and present clear, compelling visual narratives that guide executive decision-making. Database Management: Write, optimize, and troubleshoot complex queries within SQL Server and Snowflake environments to ensure efficient data extraction and processing. Data Governance & Quality: Champion data governance best practices, ensuring high data literacy, accuracy … Literacy & Governance: Highly data literate with a strong grasp of data governance principles, data modeling, and master data management. Database Skills: Strong proficiency with SQL, with the ability to write robust, performant queries and manage relational data. Programming: Practical coding experience in Python, .NET or similar for data manipulation, scripting ...

SQL Server Architect Hybrid - 3-4 days on-site in London £550-£650 inside IR35 Requires Active SC Clearance and ability to undergo DV Clearance The Opportunity We are seeking an experienced SQL Server Architect to support a major government and defence-focused digital transformation programme. This role will focus … designing, validating, and optimising highly resilient SQL Server platforms that underpin large-scale, mission-critical enterprise applications hosted within AWS cloud environments. Initially, you will lead an intensive proof-of-value phase, evaluating high availability and disaster recovery (HA/DR) patterns for SQL Server on AWS. Following successful completion ...

Lloyd’s List Intelligence is hiring a Senior Analyst Data Services to join our Data Services Team. You will work hands-on in a high-performing Agile environment, querying large datasets, building data solutions, and ...

JSON, making API calls, and reading or writing scripts to debug application logic Programming/scripting language experience, particularly JavaScript, PHP, HTML, Java, XSLT, SQL A logical, structured approach to problems and strong attention to detail The ability to explain complex topics clearly to both technical and non-technical audiences ...

clear technical documentation and knowledge sharing materials. Engage with technical and non-technical stakeholders across the business. Essential Experience Strong Python development skills. Strong SQL skills and experience working with large datasets. Experience deploying machine learning solutions into production environments. Understanding of data processing, transformation and pipeline development. Experience building ...

pricing systems Strong background in statistics, optimization, and causal inference Proven ability to move from problem formulation to production-grade solutions Proficiency in Python, SQL, and experience with production ML systems Nice to Have Experience with economic modeling (elasticity, auctions, policy design) Familiarity with control systems, RL, or online optimization ...

Extensive experience with complex custom developed visualizations in Qlik Strong knowledge of data visualization best practices using Qlik Experience working with a relational database (SQL, Oracle, etc.) a plus Data modelling, dimensional modelling, and working with large datasets a plus Experience working with business teams to translate functional requirements into ...

/GKE/AKS; operators/CRDs a bonus). Terraform (multi-cloud). GitOps tooling: Flux or ArgoCD. Kafka/event streaming. Distributed SQL databases. Language: Go, Rust, or similar (AI-accelerated development welcome). Cloud & Reliability Prometheus, Grafana, and OpenTelemetry observability stack experience. DR, HA, and Zero-Trust ...