26 to 50 of 57 PostgreSQL Jobs in the City of London

Quality Assurance Engineer

Hiring Organisation
Glocap Tech
Location
City of London, London, United Kingdom
quality lens Our Client's Tech Stack (Context) Backend: Python 3.11+, FastAPI Frontend: TypeScript, React Infra: AWS (ECS/Fargate, S3, RDS, CloudFront) Data: PostgreSQL, CSV/Parquet CI/CD: GitLab CI IaC: Terraform Testing: Pytest, Postman/Newman, custom scripts You don’t need to know everything ...

Full Stack Engineer

Hiring Organisation
The Profs
Location
City of London, London, United Kingdom
through analytics and experimentation Essential Skills & Experience 2–5 + years experience as a Full Stack or Software Developer React Java JavaScript, HTML, CSS PostgreSQL Experience using Git in a collaborative environment Ability to communicate technical concepts clearly to non-technical stakeholders Strong written and verbal English Desirable Skills Degree ...

Senior Back-end Software Engineer

Hiring Organisation
Heart Mind Talent
Location
City of London, London, United Kingdom
quality, efficient architecture, and performance optimisation. Bonus Points Advanced knowledge of JVM-based languages, particularly Kotlin. Experience with Kubernetes and Terraform. Familiarity with advanced Postgres features such as GIST indexes, partitioning, and replication. What We Offer Highly competitive salary Stock options Pension plan (matched up to 5%) Private health insurance ...

Back End Developer

Hiring Organisation
Prism Digital
Location
City of London, London, United Kingdom
answers. What You’ll Work With Python development at a high level FastAPI or adjacent Python backend frameworks API design and backend architecture fundamentals PostgreSQL and/or MongoDB React or React Native for frontend collaboration AWS serverless infrastructure Docker for bespoke services Nice to Haves B2C mobile or consumer ...

Senior Software Engineer

Hiring Organisation
Intellect Group
Location
City of London, London, United Kingdom
third-party integrations (payments, messaging, supplier APIs) Improve performance, reliability, and security Mentor a junior developer and raise engineering standards Tech Stack: Python, Django, PostgreSQL, HTML, CSS, JavaScript, Bootstrap, HTMX Heroku, GitHub Actions You’ll Need 3–5 years professional software development experience Strong Python and Django experience Hands ...

Back End Developer

Hiring Organisation
Apex Systems
Location
City of London, London, United Kingdom
/week Hybrid/Remote : Hybrid – 3 days per week Duration: 1 year + option to extend Job Description: Top Must-Haves: Python Postgres SQL API Developent (REST) Good CS and OOP fundamentals. Experience with SDLC and design of new greenfield solutions Responsibilities: • Design sophisticated backend components, services, platforms ...

Founding Engineer (Go) - Up to £120k

Hiring Organisation
Few&Far
Location
City of London, London, United Kingdom
wide variety of projects including: Bank connectivity and transaction ingestion Live transaction categorisation Data modelling Tech Stack: Go (backend leaning), Typescript, React, PostgreSQL, Terraform, Python, LLMs where appropriate. Help shape the stack! What We’re Looking For Senior-level Product Engineer (ideally 6+ years experience), building with Go or other ...

Staff Software Engineer

Hiring Organisation
Annapurna
Location
City of London, London, United Kingdom
engineers, raising the technical bar across the organisation Produce clear written documentation to align engineering, product and operations Tech Environment Full-stack TypeScript, React, Postgres Modern cloud infrastructure (AWS, Terraform) Strong observability and monitoring practices Data platforms and analytics tooling AI-powered systems working with complex, unstructured real-world data ...

Software Engineer

Hiring Organisation
Understanding Recruitment
Location
City of London, London, United Kingdom
hires. Example of what the role involves: Owning features end-to-end, from problem definition through to production and iteration Current stack: Python, TypeScript, PostgreSQL, LLMs Designing and scaling document ingestion, search, and data-extraction pipelines for large, complex datasets Building intelligent, multi-step AI workflows that autonomously handle real ...

Mainframe Modernization - IBM DataPower Engineer

Hiring Organisation
DCV Technologies Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
/mTLS, and AAA policies for secure API access. Integrate with CICS, IBM MQ, and DB2 for backend connectivity. Connect to database like PostgreSQL via REST/HTTP Services Via JDBC through Integration Layer, MQ or Kafka Bridge. Perform XSLT/GatewayScript transformations and schema validations. Automate deployments via SOMA ...

FS Engineer

Hiring Organisation
Bloc Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
legal processes. 🤖 What you'll do Contribute to the entire stack, from cloud infrastructure to prompting to UX (Python backend, Next.js with TypeScript frontend, PostgreSQL, SOTA LLMs. Deployed to Azure via IaC (Bicep) with CI/CD pipelines powered by GitHub Actions) Collaborate closely with users to understand how lawyers ...

Full Stack Engineer

Hiring Organisation
Explore Group
Location
City of London, London, United Kingdom
problems, develop solutions, and continuously improve them. Responsibilities Work across the full stack, including cloud infrastructure, backend (Python), frontend (Next.js with TypeScript), and databases (PostgreSQL) Collaborate with users to understand workflows and requirements Architect and scale document ingestion and processing pipelines for fast, accurate data extraction Develop intelligent multi-step ...

Senior Backend Developer

Hiring Organisation
Fruition Group
Location
City of London, London, United Kingdom
Employment Type
Contract
Phoenix Expert use of Ruby Roughly 5+ years working across both ecosystems Data layer Advanced optimisation and performance tuning in MySQL Strong knowledge of PostgreSQL , including complex queries and administration Confidence managing migrations and schema evolution Messaging & distributed systems Strong experience with Google Cloud Pub/Sub or comparable technologies ...

Product Engineer (Backend)

Hiring Organisation
Granola
Location
City of London, London, United Kingdom
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... Are first and foremost ...

Senior Software Engineer

Hiring Organisation
Explore Group
Location
City of London, London, United Kingdom
agents in production environments Tech Stack TypeScript monorepo React, tRPC, Tailwind Event-driven workflows and background jobs Deployed on Google Cloud Platform Postgres What’s On Offer £100,000 – £150,000 base salary (depending on experience) Meaningful early-stage equity 5% employer pension contribution Private medical cover (including dental ...

Application Support Engineer – Elite Systematic Trading Firm - Prop Trading - Market Leading Compensation - Hybrid - London

Hiring Organisation
Mondrian Alpha
Location
City of London, London, United Kingdom
trading workflows, and exchange connectivity. Skilled in scripting for automation (Python, Bash) and familiar with tools like Ansible and Geneos. Experience with relational databases (Postgres, Sybase, Oracle) and writing performant SQL queries. Knowledge of production-grade monitoring tools (e.g., Grafana, Splunk), alert tuning, and system health validation. Understanding ...

Senior Developer

Hiring Organisation
Complii
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
show experience in some of these areas Strong experience using the Ruby on Rails framework, with supporting knowledge of technologies such as Postgres, Redis, Sidekiq/ActiveJob, and HTML/jQuery Experience designing and working with APIs, including third-party integrations, and deploying applications using Heroku or similar PaaS providers ...

Backend Python Developer

Hiring Organisation
CheMastery Group Ltd
Location
City of London, London, United Kingdom
your code work in action in chemical testing and first-hand with customers. Essential - Strong background in python. - Strong practical experience with databases (ideally postgres). - Practical experience with multithreading. - Client server architecture. - Experience with efficient algorithm development (e.g. graph traversal). - Experience in high performance data processing apllications. - Development ...

Senior Consultant - Data Modelling - London, UK

Hiring Organisation
Infosys
Location
City of London, London, United Kingdom
Role – Data Modelling Lead Technology – Snowflake, SQL Server, PostgreSQL, Data Warehousing, Data Lake, Medallion, Data Vault, Data Fabric, Semantic modelling Location – London, UK Job Description We are seeking an experienced Data Modeler who can analyze and understand the existing customer data and analytics models on SQL Server, and design efficient ...

Lead Software Engineer

Hiring Organisation
Dex
Location
City of London, London, United Kingdom
track record of working in complex, large codebases. Proficiency in modern typed Python , Go , or modern Frontend development, along with experience in Docker , PostgreSQL , or DSL/Compilers . Professional or enthusiastic personal experience with LLMs and their ecosystems (e.g., Langchain, RAG, or observability tooling). You are a "creative ...

Principal Data Architect Python | Cloud | Distributed Systems | AI/ML Infrastructure

Hiring Organisation
Chemify Limited
Location
City of London, London, United Kingdom
bring: BSc or equivalent experience, preferably in a Data Engineering-related field. 8+ years commercial Data Architect & python experience. Deep experience with PostgreSQL, ideally in AWS RDS. Proven experience designing high-throughput telemetry/IoT/industrial data systems generating very large volumes of time-series data. Hands-on understanding ...

Senior AI Engineer

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
support rapid iteration Researching and implementing advanced prompt engineering and LLM interaction techniques Working across the stack (primarily Python, but also Postgres and React) to ensure research translates cleanly into customer-facing product Moving fast from idea to production, with direct customer feedback loops The environment: High-ownership ...

Developer Golang

Hiring Organisation
CBTS
Location
City of London, London, United Kingdom
American Credit Card Company Location: Burgess Hill 3 days/week Years of Exp: 6-9 years Skills: Go, Java, Git, REST, Jenkins, NoSQL, Postgres/ql £40-£50/hr Inside IR35 Visa sponsorship is not available. We're looking for an enthusiastic, diligent Golang Software Engineer to work … Kanban, SAFe, Test-Driven Development (TDD), Behavior Driven Development (BDD) and Waterfall) Knowledge of any or all of the following technologies is desired: Kafka, Postgres, Golang, Git, gRPC, Docker, GraphQL Experienced in continuous integration (CI), continuous deployment (CD) and continuous testing (CT), including tools such as Jenkins, Rally and/ ...

Lead Software Engineer

Hiring Organisation
Talent
Location
City of London, London, United Kingdom
cloud-native future. You will be responsible for the strategic migration from on-premise data centres to AWS , shifting from Oracle to PostgreSQL , and evolving Java EE/EJB environments into modern Spring microservices. Technical Technical Requirements To succeed in this role, you will need a deep background in enterprise … modern versions (Spring/Java 11). Data & Cloud Transition: Proven track record of moving workloads from Oracle (PL/SQL) to PostgreSQL and migrating from physical Data Centres to AWS. Legacy OS Knowledge: Comfortable navigating environments across Red Hat Enterprise Linux 8, Oracle Solaris, and Windows Server ...

Senior Software Engineer (Betting/Trading)

Hiring Organisation
Rise Technical Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£75000 - £85000/annum Holiday + Pension
ideal candidate will be a hands-on developer proficient in Python, TypeScript, Golang, Node JS, and React, with a strong understanding of both Postgres and NoSQL databases. You should have the ability to translate complex technical concepts into clear documentation. Experience with real-time systems (such as finance or trading … Execute end-to-end tests and documentation to ensure fault-free releases. Liaise with internal stakeholders and third-party partners. The Person: Experience with Postgres/NoSQL and Python, Go, or Node JS. Comfortable in a fast-paced, hybrid start-up environment. Ability to author technical reports and explain complex ...