101 to 125 of 276 SQL Jobs in the City of London

.NET Developer, C#, WPF - Mobile Telecommunications - London (Tech stack: .NET Developer, .NET 10.0, C# 14, WPF, Azure SQL, MVVM, Prism, TDD, Agile, Programmer, Engineer, Architect, .NET Developer) Established in the early 1990s and listed on the London Stock Exchange our client is an instantly recognizable brand within the mobile telecommunications ...

Software Engineer Tech Stack: C#, .NET, Python, AI Development, SQL, Azure London - Onsite Salary Range: £50,000 - £90,000 Harrington Starr has partnered with a boutique Investment Bank, with decades of experience and exceptional performance. They are currently seeking to hire a Polyglot Engineer possessing strong experience developing front office ...

solutions, develop enhancements, and implement fixes with minimal disruption. Skilled in writing specifications, executing test plans, and ensuring software quality. Experience with PL/SQL and Shell scripting for automation and troubleshooting is essential. Familiarity with CI/CD tools and knowledge of Azure cloud technologies are advantageous. Ability ...

coverage Participate in code reviews and mentor junior developers where required Must-Have Skills Strong experience in Core Python development (6–10 years) Strong SQL skills with ability to handle complex queries and large datasets Experience with Python libraries (Pandas, NumPy) for data processing Experience building RESTful APIs/services ...

models. Solid grounding in statistics and experimentation Experience analysing customer and campaign data to inform targeting, optimisation, and strategic decision making. Confident working with SQL and a data visualisation tool. Able to tell a clear data story and build credibility with senior client stakeholders. What They Offer Competitive salary ...

code solve tangible business problems. Stack Versatility: You are highly proficient in Python ( FastAPI ) and TypeScript ( React/Next.js ), with a solid grasp of SQL and GCP . Independent Execution: You are comfortable working with high levels of trust and minimal oversight, moving projects forward even when the path ...

clear commercial insights that influence product decisions Your Skills and Experience Strong commercial experience in product or growth analytics within consumer-facing technology Advanced SQL and strong Python capability, with confidence completing Python based analytical tasks Proven experience with experimentation, A B testing, and measuring product impact Background in propensity ...

cloud‐native AI engineering on AWS, with Azure knowledge and ability to design distributed, fault‐tolerant systems. Nice-to-Haves: TypeScript a plus; SQL proficiency for data work. Bridges technical and business teams with ease. Confident working with stakeholders at all levels. Shows initiative, works independently, and brings fresh ideas. ...

senior or lead capacity. Extensive experience developing integrations using MuleSoft Anypoint Platform (Mule 4.x preferred). Strong experience integrating with databases (e.g. Oracle, SQL/NoSQL), enterprise systems, and cloud platforms (e.g. AWS, Azure). Deep understanding and hands-on experience implementing security protocols such as OAuth 2.0 ...

connecting disparate internal data sources. Stack Versatility: You are highly proficient in Python ( FastAPI ) and TypeScript ( React/Next.js ), with a solid grasp of SQL and GCP . The Profile The Practical Automator: You have a track record of saying "this process is slowing us down" and then building ...

Power BI & SQL Developer – London Market Insurance Hybrid - 3 days per week - Contract About the Role We're on the lookout for a skilled Power BI & SQL Developer with a strong background in London Market insurance . In this role, you’ll design and develop BI solutions that deliver meaningful … London Market—is essential. What You’ll Do Build and maintain advanced Power BI dashboards and visual reports Write and optimise complex SQL queries , stored procedures, and ETL workflows Translate business needs into technical BI solutions by working closely with stakeholders Model and structure data for analytics aligned with London ...

Stardog, GraphDB, or Apache Jena/Fuseki Experience with graph databases (e.g., AWS Neptune) and hybrid storage models Advanced SPARQL skills Comfortable with SQL and NoSQL where appropriate Experience designing performant graph queries for production systems Automation & Data Engineering Experience building ingestion pipelines to populate graphs at scale Ability ...

design end‐to‐end solutions that integrate with a range of legacy and modern systems. Proficiency with programming and scripting languages such as JavaScript, SQL, Java, C#, or similar. Skilled at simplifying complex technical concepts for non‐technical audiences and influencing decision‐making. Minimum five years’ experience in a technical ...

business analysis with a focus on data and insurance. Strong understanding of data platforms, especially data migration, quality, and Lakehouse models. Experience with SQL and PowerBI Proven insurance sector experience (broker, MGA, or carrier preferred). ...

heart of a mission-driven business. ✅ What you'll bring: - 4+ years as a Data Engineer (ideally in fintech/lending) - Strong SQL, Python, Snowflake, dbt, Dagster - Experience with credit bureau data, open banking APIs - A love for clean, scalable data systems in fast-moving environments Sound like ...

Background and experience in Data Ingestions, Transformation, Modeling and Performance tuning. Should have experience in designing and developing dashboards Strong Knowledge in Hadoop, Kafka, SQL/NoSQL Should have experience in creating roadmap to improve platform Observability Experience in leading mid-scale teams with strong communication skills Experience in Machine ...

embed data-driven sustainability strategies Drive innovation in how we use analytics to achieve commercial and environmental impact Experience required: Strong experience in SQL and Python for data manipulation, analysis, and modelling Proven background in advanced analytics, forecasting, or predictive modelling Ability to connect data with business strategy, delivering clear ...

problems end-to-end, from data exploration and cleaning through to modelling, experimentation, and presenting insights to stakeholders. What they’re looking for: Strong SQL & Python skills, ideally within cloud environments (GCP, AWS, Databricks) Experience building or applying models such as LTV, churn, propensity, MMM or forecasting Exposure to experimentation ...

/IP) and full-stack infrastructure Experience with Git, Python, and Ansible Familiarity with containers (Docker, Kubernetes, LXC) Experience with monitoring tools and SQL databases Exposure to big data systems (e.g., Spark, HDFS, Airflow) Summary A great opportunity for someone who enjoys solving complex infrastructure challenges, automating systems, and working ...

techniques pragmatically, balancing speed, quality, and impact. Requirements 4+ years experience building and running production ML systems end to end. Strong Python and SQL skills; experience working with large datasets in the cloud. Hands-on experience with LLM-based systems (e.g. RAG, agentic workflows, NLP). Strong product and systems ...

engineering excellence and continuous improvement Key Requirements 5+ years’ experience working with C#/.NET Experience developing front and middle office systems Strong SQL skills Experience with cloud-native solutions (Azure or AWS) Knowledge of event-driven, microservices architectures Full SDLC experience — from design through delivery and support Key Benefits ...

code reviews and engineering best practices What We're Looking For Strong Java experience and solid software engineering fundamentals Experience with ElasticSearch, Redis, and SQL/NoSQL databases Kubernetes deployment and cloud platforms (GCP or equivalent) Network routing experience — CloudFlare, Nginx Monitoring tools, particularly Grafana Experience working with large-scale ...

continuously. False positives, detection coverage, operational load, customer impact Designing features and intelligence layers that improve how risk is detected Running deep analysis in SQL and Python. No reliance on dashboards Translating typologies into production-ready signals and decisioning logic Deploying and scaling models and rules in real-time systems ...

logictoclient-facing UI(minimal handoffs, high autonomy). Self-source the data you needby navigating our data platform (e.g., Databricks/lakehouse patterns), writing SQL, and understanding upstream structures and quality. Build and operatescalable, secure pipelines and curated data layersthat power risk analytics and insurance recommendations. Implementfront-end mathematical/ ...

ROI. Excellent communication, collaboration, and stakeholder management skills. Proficiency in Agile methodologies and tools (Jira, Confluence). Desirable: Knowledge of cloud data technologies (SQL, NoSQL, data lakes). Experience with AI/ML frameworks and orchestration tools. Background in financial services or other regulated industries. Understanding of data processing ...