22 of 22 Relational Database Jobs in the City of London

Java Concurrency, RX Streams, caching (GridGain), Collections, messaging, and event-driven processing * Experience with multicast messaging (Solace or RV) * Solid SQL experience with relational databases such as SQL Server, Sybase, or Oracle * Proven experience designing low-latency application services * Familiarity with DevOps tools including Maven, Jenkins, Nexus, and Helios ...

. Proven experience building high-throughput systems such as: Applications streaming +100GB via Kafka, or Managing +100TB data lakes, or Operating against +10TB relational/time-series/OLAP databases. Strong data streaming experience (Kafka preferred; alternatives such as Azure Service Bus, RabbitMQ, Kinesis, or Pulsar considered). Deep … understanding of multithreading and concurrency in .NET — particularly SPANs and Channels. Strong relational database experience (Postgres preferred; SQL Server, Oracle, MySQL/MariaDB considered). Experience working in industries that handle significant data peaks or throughput spikes. Strong monitoring and observability experience (Grafana preferred; Datadog, Dynatrace ...

delivering high quality solutions Excellent communication skills, both verbal and written Strong problem-solving and logical thinking skills Good knowledge of SQL and relational databases Good knowledge of secure application development principles Experience managing complex requirements and working directly with business stakeholders Familiarity with modern development practices and willingness ...

client-facing digital platforms and dashboards Modernise systems into cloud-native, API-first architectures Key skills Cloud engineering (Azure, Kubernetes, serverless, DevOps) Python and relational databases (SQL) Data platforms, ETL/ELT, and analytics AI tools and LLM integrations (e.g. GPT, Claude, Gemini) Security, governance, and regulated environment experience ...

projects Technical Skills & Experience Advanced Power BI development experience (Desktop & Service) Strong knowledge of DAX and Power Query (M language) Proficiency in SQL and relational databases Experience working with construction, rail, or civil engineering datasets Understanding of: Project controls processes Earned Value Management principles Programme performance metrics Commercial reporting ...

product-driven, fast-paced environment (e.g., startup or tech company). Willingness to work with Kotlin (current server-side language). Experience with relational databases. Working knowledge of cloud platforms, preferably Google Cloud Platform. Strong commitment to code quality, efficient architecture, and performance optimisation. Bonus Points Advanced knowledge ...

product growth. What We’re Looking For ✅ 5+ years backend engineering experience ✅ Strong JVM ecosystem experience (Java, Scala, or Kotlin) ✅ Strong SQL and relational database experience ✅ Experience working with complex systems and large datasets ✅ Comfortable working in scale-up environments with shifting priorities ✅ Proactive, problem-solving mindset ...

pipelines, including translating manual/spreadsheet reporting into structured data solutions. Strong knowledge of BI and data technologies (SQL, Power BI, Azure stack) and relational database/reporting architectures. Confident in engaging and influencing stakeholders across business, change, and data teams; able to explain technical concepts clearly ...

object-oriented programming languages (C#, C++, Python) Self-motivated with ability to work both independently and under direction Excellent interpersonal skills Optional: Knowledge of relational databases and SQL Knowledge of finance and capital markets ...

Requirements Experience working in product-focused engineering teams , ideally within fast-paced or startup environments. Strong development experience with: TypeScript Node.js React.js Experience with relational databases (e.g. PostgreSQL) . Familiarity with cloud infrastructure (AWS preferred) and infrastructure tools such as Terraform . Experience with Tailwind, Radix, or Framer Motion ...

experience at tech and product-driven companies Proficiency with TypeScript, Node.js, and React.js (Framer Motion, Tailwind and Radix is a strong plus) Proficiency with relational databases like Postgres Experience with cloud infrastructure (we use AWS and Terraform) As a person, you... Are first and foremost a builder Are excited ...

creating, signing, broadcasting, and tracking transactions. Requirements: Excellent knowledge of Node.js Excellent knowledge of TypeScript Ability to write unit-tests (Jest) Experience in relational databases (TypeORM) Benefits: Annual salary indecation Flexible working hours Payment of vacation and sick leave If you're interested, please hit the apply button ...

cloud platforms (AWS and/or Azure) Proficiency in Python (primary), SQL and Bash Experience with modern data architecture frameworks Strong understanding of relational and non-relational databases Excellent communication skills, able to explain complex concepts clearly Strong analytical mindset with the ability to drive business impact through ...

experience building production systems Proficiency in one or more modern stacks: JavaScript/TypeScript, React/Next.js, Node.js, PHP, or equivalent Solid understanding of relational databases (PostgreSQL, MySQL) and data modelling Experience shipping at least one production software platform from development through to live Project & Team Management (Required): Proven … Experience scaling products from MVP to full production with real user load Cloud or serverless deployment experience (AWS, GCP, Azure, or Vercel/similar) Database schema design and query performance optimisation Familiarity with AI/ML tooling or LLM integrations in production systems SaaS, CRM, or enterprise platform experience ...

Financial Services is essential; knowledge of Life & Pensions is highly desirable. Proficiency in CI/CD pipelines, version control (Git/Azure DevOps), and relational/non-relational databases. Understanding of integration patterns (pub/sub, API-led, event-driven) and security standards (OAuth2, JWT, TLS, API security ...

C# and .NET Lead architectural discussions and contribute to technical direction Build scalable, reliable systems to support automated trading and research Develop and optimise database solutions (SQL Server or equivalent) Improve performance, reliability, and automation across systems Mentor junior developers and promote best engineering practices Participate in code reviews … recent experience with C# and the latest .NET platform 5+ years of professional software development experience Solid experience with SQL Server, Oracle, or equivalent relational databases Strong understanding of object-oriented design principles and software architecture Experience building production-grade, scalable systems Fluency in English with excellent written ...

maintain features across our web app (Next.js) and mobile app (React Native) Contribute to our Python backend and help improve API performance Collaborate on database design and write efficient queries in Postgres Work with AWS services to deploy and maintain our infrastructure Ship polished, user-facing features that directly … professional experience Familiarity with JavaScript and Next.js (React or React Native experience is a plus) Basic knowledge of Python Understanding of SQL and relational databases Eagerness to learn cloud services (AWS experience is a plus but not required) Ideal Candidate Quality Focus: Obsessive attention to detail and commitment ...

policies to ensure consistent and accurate data management practices. Collaborate with Data Engineers, Data Quality Engineers and Data Warehouse Engineer to design and optimize database structures, data warehouses, and data lakes for efficient and scalable data storage, computing and retrieval. Coach, develop, line manage Junior data architect. What … need Experience with data modelling and data governance (including use of tools) Experience with cloud-based data platforms (e.g. Azure, AWS, GCP), and relational databases (e.g. Oracle, SQL Server) Demonstrable experience with Microsoft Fabric Clear understanding of data security, privacy, and compliance requirements Demonstration of an ability to manage ...

Build polished, responsive frontend experiences using Hotwire (Turbo & Stimulus) and Tailwind CSS Design and build full-stack features across our Rails application, from database to UI Collaborate with product and design to translate requirements into intuitive, well-crafted interfaces Build and consume APIs that power both internal tooling … things look and feel, not just whether they work Comfortable working with HTML, CSS, and JavaScript across a modern Rails frontend stack Familiarity with relational databases (PostgreSQL preferred) and writing efficient queries Comfortable building and consuming APIs as part of delivering full-stack features Experience writing automated tests (RSpec ...

logic (traceability matters) Integrate external APIs: DBS providers, professional registers, identity verification services Write high-coverage tests first. TDD is not optional here Own database schema design and query performance on Postgres Frontend Build the candidate portal and admin dashboard in Next.js with a component-first approach Implement clean … What We’re Looking For Must-have Strong Python and FastAPI Solid React/Next.js Practises TDD as a default workflow Comfortable with relational databases (schema design, migrations, query optimisation) Experience with REST APIs and third-party integrations Browser automation with Playwright or similar Good Git hygiene Nice ...

backend infrastructure . Design and build high-performance APIs and backend services . Develop infrastructure to support AI-powered product capabilities . Optimise database performance and query efficiency . Improve system reliability, monitoring, and observability . Collaborate cross-functionally to ensure backend systems support new product features and innovation … . Requirements Experience working in product-focused engineering teams . Strong backend development skills using TypeScript and Node.js . Experience working with relational databases such as PostgreSQL . Hands-on experience with cloud infrastructure (AWS preferred) . Familiarity with Infrastructure as Code tools such as Terraform . Knowledge ...

evolution and scaling of our backend infrastructure Design and implement performant APIs and services Build infrastructure to support cutting-edge AI capabilities Optimise database performance and query efficiency Continuously improve reliability and observability through enhanced monitoring and alerting Collaborate cross-functionally to ensure our infrastructure supports continuous product innovation … proficiency in TypeScript and Node.js Hands-on experience with cloud infrastructure and infrastructure as code (we build on AWS using Terraform) Deep knowledge of relational databases (we use PostgreSQL) Familiarity with serverless architectures (we love lambdas!) Solid understanding of security best practices and performance optimisation As a person, you... ...