20 of 20 Permanent NoSQL Jobs in the City of London

C#/.NET Full Stack Engineer

Hiring Organisation
83zero Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£46000 - £70000/annum pension, health care, perks
Proficiency with Git workflows Experience working in agile environments Desirable Experience Docker, Docker Compose Terraform or other IaC tools EF Core, relational DB experience NoSQL (MongoDB, Cosmos DB) Microservices in Java/JS/TS Experience with LLM/AI integration frameworks (e.g., LangChain) Familiarity with modern design systems Additional ...

Python Developer

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
parallel computing, and high-performance processing of large datasets. Strong experience in data pipelines, working with tools such as Pandas, NumPy, and SQL/NoSQL databases. Proven experience working in fast-paced environments, ideally within trading, financial services, or high-frequency environments. Proficiency in developing RESTful APIs, microservices, and working ...

Senior Software Engineer

Hiring Organisation
Ontik
Location
City of London, London, United Kingdom
stack development using any object oriented language (we use .NET) and any modern javascript framework (we use React) Experience working with databases (SQL and NoSQL), APIs, and web technologies. Experience with cloud platforms (AWS, GCP, Azure) Solid understanding of software engineering principles, including clean code, testing, and version control ...

Senior AI Engineer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
Mastery of GCP, particularly Vertex AI, Google Kubernetes Engine (GKE), and Cloud Functions. Databases: Strong command of relational databases like PostgreSQL and familiarity with NoSQL solutions. MLOps & DevOps: Production experience with Docker, Kubernetes, CI/CD pipelines (e.g., Jenkins, GitHub Actions), and Infrastructure as Code (Terraform). Qualifications Bachelor ...

Software Engineer (Backend, AI Systems)

Hiring Organisation
Locai Labs
Location
City of London, London, United Kingdom
similar) Familiarity with LLM or AI APIs Exposure to agentic frameworks (LangChain, LlamaIndex, Semantic Kernel, etc.) Practical experience with databases (SQL/NoSQL) Strong foundation in software design principles and systems thinking Comfortable working in a fast-paced, early-stage start-up environment with ownership and autonomy Nice to Have ...

Senior Sotware Engieer

Hiring Organisation
Espire Infolabs Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Docker) and orchestration (e.g., Kubernetes) is a plus. Familiarity with cloud security best practices and compliance requirements. Knowledge of database systems, MS SQL, and NoSQL databases. Experience with version control systems Strong problem-solving and debugging skills. Excellent communication and teamwork skills. Self-motivated with a passion for learning ...

QA Automation Engineer (Python / PyTest / Cosmos DB)-Banking Client Exp Required

Hiring Organisation
Vallum Associates
Location
City of London, London, United Kingdom
Python experience for test automation Strong experience with PyTest (or similar automation frameworks such as Robot Framework) Experience working with Cosmos DB (or strong NoSQL database testing experience) Experience in API testing (Postman, Requests, etc.) Strong SQL skills for data validation across databases and reporting layers Experience with Big Data ...

Staff Software Engineer (Python | AI £180k)

Hiring Organisation
Paradigm Talent
Location
City of London, London, United Kingdom
infrastructure (AWS preferred). Containerisation and orchestration (Docker, Kubernetes). Message queues and streaming systems (e.g. Kafka, SQS, RabbitMQ). Relational and/or NoSQL databases. CI/CD pipelines, observability, monitoring, and logging as first-class concerns. Exposure to computer vision, 3D data, or similar domains is a strong ...

Automation Assurance Specialist

Hiring Organisation
83zero Ltd
Location
City of London, London, Farringdon, United Kingdom
Employment Type
Permanent
Salary
£50000 - £55721/annum benefits, perks, and healthcare opti
across a broad technical landscape, including but not limited to: Java, JavaScript, Node.js, Kotlin Spring Boot and RESTful microservices Selenium, Playwright, Cucumber, REST testing NoSQL databases Git-based version control systems Your Profile Essential experience: ISTQB Foundation certification (or equivalent experience) Strong experience in functional, integration, exploratory and manual testing ...

GenAI Full Stack Engineer - Consultant / Senior Consultant

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
deployment tools such as GitLab, GitHub, or Jenkins. Vector Databases: Experience with and (but not limited to) ChromaDB, Pinecone, PGVector, MongoDB , Qdrant etc. NoSQL: Familiarity with NoSQL databases (e.g., MongoDB preferred). SQL: Experience working with SQL databases like PostgreSQL. Proficient in Git and version control platforms like GitHub, GitLab ...

GenAI Full Stack Engineer - Managing Consultant

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
deployment tools such as GitLab, GitHub, or Jenkins. Vector Databases: Experience with and (but not limited to) ChromaDB, Pinecone, PGVector, MongoDB , Qdrant etc. NoSQL: Familiarity with NoSQL databases (e.g., MongoDB preferred). SQL: Experience working with SQL databases like PostgreSQL. Proficient in Git and version control platforms like GitHub, GitLab ...

Generative AI Consultant

Hiring Organisation
83zero Ltd
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 45,000 - 70,000 Annual
deployment tools such as GitLab, GitHub, or Jenkins. Vector Databases: Experience with and (but not limited to) ChromaDB, Pinecone, PGVector, MongoDB , Qdrant etc. NoSQL: Familiarity with NoSQL databases (e.g., MongoDB preferred). SQL: Experience working with SQL databases like PostgreSQL. Proficient in Git and version control platforms like GitHub, GitLab ...

Machine Learning Engineer

Hiring Organisation
mthree
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
with scikit-learn, XGBoost, LightGBM Strong software engineering practices and clean code principles Data & Computing : Experience with big data technologies (Spark, Dask) SQL and NoSQL databases Cloud platforms (AWS, GCP, Azure) Experience Track record of successfully deployed ML models at scale Experience with time series analysis and forecasting Experience applying ...

Software Architect

Hiring Organisation
Oscar
Location
City of London, London, United Kingdom
scalable cloud environments Stay hands-on across the full stack, contributing to development of system built in Python, TypeScript, Node.js, React, and Postgres/NoSQL Essential Experience: 5+ years experience in Cloud Architecture & DevOps Experience designing and implementing secure systems Leadership experience Desirable Skills: Exposure to real-time data environments ...

Solutions Architect - AWS / Python / Lead

Hiring Organisation
Oscar Associates (UK) Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
scalable cloud environments Stay hands-on across the full stack, contributing to development of system built in Python, TypeScript, Node.js, React, and Postgres/NoSQL Essential Experience: 5+ years experience in Cloud Architecture & DevOps Experience designing and implementing secure systems Leadership experience Desirable Skills: Exposure to real-time data environments ...

Backend Engineer, Java, Kotlin, AWS | Fintech, Payments Platform (B2B) | London, Hybrid (2 days per week) | Salary Up to £80,000 + Bonus & Benefits

Hiring Organisation
Owen Thomas | Pending B Corp™
Location
City of London, London, United Kingdom
000+ Bonus & Benefits Strong experience working as a Backend Engineer Experience working with either Java, Kotlin, Typescript & AWS Experience with SQL, SQS & NoSQL Experience working with Kubernetes Understanding of platform engineering/DevOps Experience using gRPC is a bonus Experience using other languages is also a bonus What They ...

Senior Java Developer (Low-Latency Payments Systems)

Hiring Organisation
RE Partners
Location
City of London, London, United Kingdom
protocols commonly used in financial transactions. Deploy, monitor, and scale applications in Red Hat OpenShift and AWS cloud environments. Integrate with MongoDB and other NoSQL/SQL datastores for real-time data management. Collaborate with DevOps, Product, and QA teams to ensure production-grade solutions. Participate in architectural discussions, advocate … OpenShift and/or Kubernetes. Strong cloud experience with AWS services such as ECS, EKS, Lambda, S3, etc. Solid understanding of MongoDB and NoSQL design patterns. Prior experience in Payments Processing, financial services, or banking systems. Strong communication skills and a bias toward action and opinionated design decisions. Nice ...

Full Stack Engineer

Hiring Organisation
ClearWatt
Location
City of London, London, United Kingdom
bonus. Key Responsibilities Develop and maintain robust, high-performance .NET 8+ APIs and services. Work with Azure Functions , Blob Storage , Queues , and SQL/NoSQL databases to build scalable, event-driven systems. Design and optimise APIs that serve our mobile and web products, including partner integrations. Implement efficient … Azure services . Understanding of async programming, dependency injection, and distributed systems. Strong grasp of database design and query optimisation (SQL and/or NoSQL). Comfortable working in a small, fast-paced team where you’ll have end-to-end ownership. Passion for clean architecture, performance, and testable code. ...

Data Engineer

Hiring Organisation
Searchability NS&D
Location
City of London, London, United Kingdom
Enhanced DV Clearance Competitive Salary DOE - 6% bonus, 25 days holiday, clearance bonus Experience in Data Pipelines, ETL processing, Data Integration, Apache, SQL/NoSQL Who Are We? Our client is a trusted and growing supplier to the National Security sector, delivering mission-critical solutions that help keep the nation … West) Willingness to work full-time on-site in London when required. Required technical experience in the following: Apache Kafka Apache NiFI SQL and noSQL databases (e.g. MongoDB) ETL processing languages such as Groovy, Python or Java To be Considered: Please either apply by clicking online or emailing me directly ...

Founding (Senior) Software Engineer

Hiring Organisation
Klyk
Location
City of London, London, United Kingdom
Klyk Founding (Senior) Software Engineer 🌍 About Klyk At Klyk, we’re on a mission to eliminate waste from the business technology ecosystem. As a certified B Corp, we help modern companies adopt a Circular IT ...