601 to 625 of 699 PostgreSQL Jobs in London

Founding Engineer

Location
Greater London, England, United Kingdom
Pydantic AI and modern foundation models—prioritising absolute document traceability and zero-hallucination accuracy. Develop end-to-end capabilities from clean database schemas in PostgreSQL and performant FastAPI endpoints through to responsive Next.js/React frontends. Work alongside the co-founders to unpack client requirements, design custom modules to solve … access control (RBAC), robust test suites, and strict client data isolation. Skills & Competencies Strong end-to-end capabilities spanning Python/FastAPI backend services, PostgreSQL schema design, and modern TypeScript/React interfaces. Practical experience integrating LLMs and building AI agents, structured validation (Pydantic/Pydantic AI), and document parsing ...

Back End Developer

Hiring Organisation
Consortia
Location
London, England, United Kingdom
robust backend services using Node.js, with a strong focus on performance and scalability. Day to day, you'll be writing efficient SQL queries, optimising PostgreSQL performance, and developing clean, scalable RESTful APIs. You'll collaborate closely with DevOps, frontend, and data teams, ensuring seamless integration across the platform. Testing, profiling … role, helping to ensure reliability and maintainability as the platform evolves.What we’re looking for:Solid commercial experience in Node.js backend developmentStrong skills in PostgreSQL (and optionally MongoDB)Experience building and scaling REST APIsFamiliarity with Git workflows and clean coding practicesComfortable in a start-up-like, collaborative environmentConsortia ...

Backend Engineer

Location
Greater London, England, United Kingdom
investigate a problem and, with approval, fix it. We follow a ports-and-adapters layout across every service, use Chi for HTTP, Bun on PostgreSQL for storage and RabbitMQ for events, and talk to Kubernetes through client-go. You'll design new services, improve the ones we have, and help … from first design doc to production Write Kubernetes controllers and integrations that behave well when clusters are slow, flaky or misconfigured Model data in PostgreSQL and design event flows over RabbitMQ that can survive retries and partial failures Instrument what you build with metrics, logs and traces so problems ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
high-quality code and infrastructure. What you’ll do Design and build backend services for the platform, primarily in Go, running on AWS with Postgres as a core data store. Own features and services end-to-end: from shaping requirements and technical design through implementation, testing, deployment, and operational support … language‐agnostic in principle, but the current stack includes: Languages: Go (primary), with room for the right tool for specific problems. Data: Postgres as a core relational store. APIs: gRPC and HTTP‐based services. Tooling: GitOps, IaC, observability tooling. You don’t need prior experience with every technology above ...

Engineering Team Lead AI Python

Hiring Organisation
Client Server
Location
London, England, United Kingdom
code while supporting your team to deliver.You'll drive cloud first engineering across an Azure based platform, using Python/FastAPI, React/TypeScript, PostgreSQL, MongoDB and a multi-provider LLM stack including OpenAI, Gemini and Anthropic.You'll champion high quality, scalable and cost effective engineering, embedding automated testing … have hands-on experience building LLM powered applications, including prompt design, multi-provider integration and agent orchestration (e.g. LangChain or LangGraph)You have strong PostgreSQL skills, and are familiar with MongoDB and RedisYou're comfortable using AI assisted development tools such as Claude Code, Cursor or GitHub CopilotYou're adaptable ...

Engineering Team Lead AI Python

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
while supporting your team to deliver. You'll drive cloud first engineering across an Azure based platform, using Python/FastAPI, React/TypeScript, PostgreSQL, MongoDB and a multi-provider LLM stack including OpenAI, Gemini and Anthropic. You'll champion high quality, scalable and cost effective engineering, embedding automated testing … have hands-on experience building LLM powered applications, including prompt design, multi-provider integration and agent orchestration (e.g. LangChain or LangGraph) You have strong PostgreSQL skills, and are familiar with MongoDB and Redis You're comfortable using AI assisted development tools such as Claude Code, Cursor or GitHub Copilot ...

Senior Backend Engineer Engineering London

Location
Greater London, England, United Kingdom
continuous integration and delivery. We are a Go shop, and while we’re busy migrating away from our Ruby monolith, our stack includes PostgreSQL, MongoDB, RabbitMQ, Redis, gRPC, and Thrift. Everything runs on AWS and Kubernetes, managed via Terraform. Our interview process includes a recruiter screen, algorithms, live coding … your strongest language (Python, C++, Ruby, etc.). We hire for engineering fundamentals, not syntax. In-depth knowledge of relational and NoSQL databases (PostgreSQL, MongoDB, Redis) and experience with message brokers like RabbitMQ or Kafka. Upper-Intermediate (B2) English proficiency or higher. You should be comfortable debating technical trade-offs ...

Principal Infrastructure Engineer

Location
Greater London, England, United Kingdom
cluster lifecycle and upgrades, networking, autoscaling, workload isolation, and the Helm and Terraform that deploy onto it. Data infrastructure: Shape how our services use PostgreSQL, DynamoDB and Kafka. Set the patterns for provisioning, access, backup, failover and capacity, so teams aren't solving these problems one service at a time. … happens between kubectl apply and a pod serving traffic, and you have debugged it when it didn't. Data infrastructure awareness: You understand how PostgreSQL, DynamoDB and Kafka behave under load and when they fail: connection limits, replication lag, hot partitions, consumer lag, retention. You don't need to have ...

Backend Engineer (Mid/Senior), Marketplace

Hiring Organisation
Wheely
Location
London, UK
Employment Type
Full-time
continuous integration and delivery. We are a Go shop, and while we're busy migrating away from our Ruby monolith, our stack includes PostgreSQL, MongoDB, RabbitMQ, Redis, gRPC, and Thrift. Everything runs on AWS and Kubernetes, managed via Terraform. Our interview process includes a recruiter screen, algorithms and live coding. … your strongest language (Python, C++, Ruby, etc.). We hire for engineering fundamentals, not syntax. In-depth knowledge of relational and NoSQL databases (PostgreSQL, MongoDB, Redis) and experience with message brokers like RabbitMQ or Kafka. Upper-Intermediate (B2) English proficiency or higher. You should be comfortable debating technical trade-offs ...

Backend Engineer (Mid/Senior), Maps

Hiring Organisation
Wheely
Location
London, UK
Employment Type
Full-time
continuous integration and delivery. We are a Go shop, and while we're busy migrating away from our Ruby monolith, our stack includes PostgreSQL, MongoDB, RabbitMQ, Redis, gRPC, and Thrift. Everything runs on AWS and Kubernetes, managed via Terraform. Our interview process includes a recruiter screen, algorithms and live coding. … your strongest language (Python, C++, Ruby, etc.). We hire for engineering fundamentals, not syntax. In-depth knowledge of relational and NoSQL databases (PostgreSQL, MongoDB, Redis) and experience with message brokers like RabbitMQ or Kafka. At least 1 year of hands-on experience with mapping-related work such as processing ...

Backend Engineer (Mid/Senior), Maps Engineering London

Location
Greater London, England, United Kingdom
continuous integration and delivery. We are a Go shop, and while we're busy migrating away from our Ruby monolith, our stack includes PostgreSQL, MongoDB, RabbitMQ, Redis, gRPC, and Thrift. Everything runs on AWS and Kubernetes, managed via Terraform. Our interview process includes a recruiter screen, algorithms and live coding. … your strongest language (Python, C++, Ruby, etc.). We hire for engineering fundamentals, not syntax. In-depth knowledge of relational and NoSQL databases (PostgreSQL, MongoDB, Redis) and experience with message brokers like RabbitMQ or Kafka. At least 1 year of hands-on experience with mapping-related work such as processing ...

Senior Software Engineer - Wise Platform - API Experience

Hiring Organisation
Wise
Location
London, UK
Employment Type
Full-time
seamless integration at scale. What You Will Be DoingDesign & Architecture: Architect, build, and maintain highly scalable backend services using Java, Spring Boot, Kafka, and PostgreSQL within an event-driven, microservices architecture. API Product Ownership: Set API standards (RESTful, OpenAPI/Swagger, OAuth2) and build developer-friendly tools, SDKs, and reference … resilient backend microservices. Distributed Systems & Data: Hands-on experience with event-driven architecture (Kafka or similar messaging systems) and relational database design/optimization (PostgreSQL, MySQL).Architectural Knowledge: Proficiency in domain-driven design (DDD), microservices patterns, and building for high availability and low latency. Product Mindset: A customer-centric approach ...

Senior Software Engineer (BackEnd)

Location
Greater London, England, United Kingdom
engineering team building the systems that power our ability to revolutionise the electric car leasing industry. Our tech stack is Python with GraphQL, PostgreSQL and NoSQL databases, running on AWS, with a React/Next.js frontend. What you'll do... Work within a dedicated cross-functional team on key products … Python, with strong software engineering fundamentals. Proven experience designing and building APIs, ideally using GraphQL. Comfort working with multiple data sources, including relational (PostgreSQL) and NoSQL databases. Excellent understanding of core software engineering principles and best practices, and a track record of applying them to build robust, scalable, maintainable systems. ...

Senior Product Engineer

Location
Greater London, England, United Kingdom
insights What You Bring 6+ years of software or product engineering experience Strong experience building and scaling production systems Comfort with backend engineering (NodeJS, Postgres, TypeScript) Strong understanding of LLM application development patterns ( RAG , prompt engineering, consistency testing) - either through production experience or demonstrated personal projects. … systems that power enterprise AI High-autonomy, high-trust environment with a small team shipping at pace Tech Stack Back-end (AWS): NodeJS, TypeScript, Postgres Front-end: NextJS, TypeScript, Tailwind Workflow automation: n8n Visas & Relocation We sponsor visas for exceptional candidates and provide relocation support for those moving to London. ...

Senior Software Engineer (Full Stack) Humaans

Location
Greater London, England, United Kingdom
definition through to implementation, release and iteration Build end-to-end customer-facing features across our frontend and backend Write backend TypeScript across Node, Postgres, Redis and Kubernetes Build frontend experiences using TypeScript and React Fix bugs, improve infrastructure and strengthen the foundations that allow us to move quickly without … business rather than helping where engineering context can make a difference Our tech stack Our tech stack today consists of TypeScript, JavaScript, React, Node, Postgres and Redis. We use GitHub for code and continuous integration to deploy to Kubernetes on Google Cloud Platform. We have a public REST ...

Software Engineer, Security Rules

Location
Greater London, England, United Kingdom
join the Security Rules team. You will work on a range of microservices written mainly in Rust. Technologies we use include Docker, Go, PostgreSQL, Redis, Memcached, gRPC, Kafka, Clickhouse and the usual Unix/Linux tools and workflows. We strive to build reliable, fault-tolerant systems that can operate … systems-level language Experience building and operating distributed systems Experience with monitoring, alerting and debugging high volume production systems Experience with databases (we use PostgreSQL, Clickhouse and Memcached) Strong interpersonal and communication skills, demonstrating empathy, teamwork and a sense of ownership Bonus Points: Experience with modern Unix/Linux development ...

Full Stack Software Engineer Genomics England

Location
Greater London, England, United Kingdom
Full Stack Software Engineer Overview Company Name: Genomics England Job Role: Full Stack Software Engineer Qualifications: Not specified Category: I Job Type: Full Time Location: London, England, United Kingdom (Hybrid) Requirements What we're looking ...

Software Engineer

Location
Greater London, England, United Kingdom
AlliedOffsets is a leading provider of data and technology solutions on the voluntary carbon markets. We have built the industry’s first meta-registry of carbon offsetting projects, retirement transactions, corporate buyers, and intermediaries, in ...

Senior Backend Engineer

Hiring Organisation
Anson McCade
Location
London, UK
Employment Type
Full-time
Vacancy detailSenior Backend Engineer 80,000 GBPHybrid WORKINGLocation: Central London, Greater London – United Kingdom Type: PermanentA growing automotive technology business is seeking an experienced Senior Backend Engineer to design, develop and maintain highly scalable, reliable ...

Jr. Database Tester

Location
Greater London, England, United Kingdom
/OAuth: Understanding of session tokens, re-authentication popups, service account configuration for pipelines Accessibility testing : Axe integration or similar - `a11y` test execution PostgreSQL/Npgsql :Database query execution against Azure-hosted PostgreSQL AutoIt :Windows automation for file upload dialogs PowerShell : Pipeline scripting - config file manipulation, Azure CLI commands #J ...

Senior/Staff Backend Engineer (London, Hybrid)

Location
Greater London, England, United Kingdom
Success Hardcore work ethic and high agency 5+ years in backend engineering (language agnostic) Deep experience with complex business logic products Strong database skills: PostgreSQL, SQL, ORMs, migrations, schema design Experience deploying on AWS (or similar), with solid CI/CD and production-readiness fundamentals Bonus: Python and a modern … move forward and make decisions based in reality (not theory). We don't debate if Cassandra has the most theoretical scalability - we use Postgres until it breaks Hard working: 'You can work long, hard, or smart, but [here] you can't choose two out of three' - Jeff Bezos. Curious ...

Database Reliability Engineer

Location
Greater London, England, United Kingdom
scalability of Fuse's data infrastructure. This is a remote role. Responsibilities Own the reliability, performance and scalability of Fuse's database infrastructure across Postgres and ClickHouse Build and maintain scalable, reliable data pipelines to support analytics, reporting and product needs Own the design and evolution of analytical schemas, translating … business logic into structured, intuitive data models Migrate and transform data from Postgres into ClickHouse, ensuring performance and reliability Develop and maintain DBT models that reflect our business domain and make data easily accessible for teams Implement tests and data quality checks to ensure reliable, trustworthy datasets Identify and eliminate ...

Database/Data Engineer

Location
Greater London, England, United Kingdom
database solutions into production, with a strong focus on automation, standardisation and modern engineering practices. What You'll Be Doing Engineer and deploy Oracle, PostgreSQL and NoSQL database solutions Work with Cassandra, MongoDB and/or Couchbase Build and configure database environments across development through to production Automate database provisioning … database migrations, upgrades and modernisation initiatives Work closely with developers, architects and infrastructure teams What We're Looking For Strong hands-on Oracle and PostgreSQL experience Experience with at least one of Cassandra, MongoDB or Couchbase Strong database engineering, performance tuning and troubleshooting skills Automation experience using Terraform, Ansible, Python ...

Senior Backend Engineer

Location
Greater London, England, United Kingdom
Python or Go (we use both) Experience with distributed systems and microservices architecture Familiarity with real-time data processing (Kafka, Redis, etc.) Experience with PostgreSQL and data modelling for complex domains Understanding of security best practices for handling sensitive data Excellent communication skills and ability to work cross-functionally Nice … FHIR or other healthcare interoperability standards Experience with voice/audio processing systems Background in ML infrastructure or model serving Our Stack Python, Go, PostgreSQL, Redis, Kafka, Kubernetes, GCP, Terraform. We're pragmatic about technology choices-we use what works best for the problem at hand. Equity: Meaningful equity stake ...