76 to 100 of 114 MongoDB Jobs in the City of London

by the group, all of which are Python based. Key Skills Strong Object-Oriented Python Programming Understanding of Algo's and quant models. Excellent database knowledge, including SQL and MongoDB API Frameworks (Flask, FastAPI) Prior experience in energy markets This is a hybrid role requiring 3 days in the office. The salary for the role is up to More ❯

for API testing, plus ability to read and analyze technical logs. Familiarity with log analytics tools (e.g., DataDog, Coralogix, Splunk) – advantage. Basic database skills (relational and document); experience with MongoDB, MariaDB, or MySQL – advantage. Skilled in diagnosing and resolving data transformation/validation issues. Excellent client-facing communication skills, translating technical concepts into clear guidance. Comfortable working in a fast More ❯

for API testing, plus ability to read and analyze technical logs. Familiarity with log analytics tools (e.g., DataDog, Coralogix, Splunk) – advantage. Basic database skills (relational and document); experience with MongoDB, MariaDB, or MySQL – advantage. Skilled in diagnosing and resolving data transformation/validation issues. Excellent client-facing communication skills, translating technical concepts into clear guidance. Comfortable working in a fast More ❯

maintainable, and well-tested code (unit + integration). Design and optimise RESTful APIs with a strong focus on performance, reliability, and security. Model and query data efficiently with MongoDB (or similar NoSQL databases). Deploy and manage services on Google Cloud Platform (GCP) using CI/CD pipelines (GitHub Actions) . Troubleshoot and tune performance across distributed systems. Collaborate … Node.js + TypeScript ). Strong grasp of asynchronous programming , microservices , and event-driven architectures . Solid understanding of testing, CI/CD, and cloud deployment workflows. Practical experience with MongoDB or similar NoSQL databases. Problem-solver with strong communication skills and a collaborative mindset. Bonus: experience with message queues (Kafka, RabbitMQ), observability tooling, or DevOps-style environments. 🌟 Why You’ll … Love It Here Impact & Ownership — You’ll own core backend systems and shape architectural decisions. Modern Tech Stack — Node.js, TypeScript, NestJS, MongoDB, GCP, CI/CD. Equity + Competitive Salary — Get rewarded for the value you help create. Collaborative Culture — Work alongside passionate engineers, product thinkers, and AI specialists. Mission-Driven — Help transform a traditional industry through automation and intelligent More ❯

maintainable, and well-tested code (unit + integration). Design and optimise RESTful APIs with a strong focus on performance, reliability, and security. Model and query data efficiently with MongoDB (or similar NoSQL databases). Deploy and manage services on Google Cloud Platform (GCP) using CI/CD pipelines (GitHub Actions) . Troubleshoot and tune performance across distributed systems. Collaborate … Node.js + TypeScript ). Strong grasp of asynchronous programming , microservices , and event-driven architectures . Solid understanding of testing, CI/CD, and cloud deployment workflows. Practical experience with MongoDB or similar NoSQL databases. Problem-solver with strong communication skills and a collaborative mindset. Bonus: experience with message queues (Kafka, RabbitMQ), observability tooling, or DevOps-style environments. 🌟 Why You’ll … Love It Here Impact & Ownership — You’ll own core backend systems and shape architectural decisions. Modern Tech Stack — Node.js, TypeScript, NestJS, MongoDB, GCP, CI/CD. Equity + Competitive Salary — Get rewarded for the value you help create. Collaborative Culture — Work alongside passionate engineers, product thinkers, and AI specialists. Mission-Driven — Help transform a traditional industry through automation and intelligent More ❯

.NET Developer, .NET 9, C#, Agile - London (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) We are pleased to announce More ❯

.NET Developer (Tech stack: .NET Developer, .NET 9, C#, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) We have several fantastic new roles for .NET Developer More ❯

create new features in the app Be part of a team to deal with any incidents Engage in coding and RFC tests Requirements: Programming skill in Python, GraphQL and MongoDB Advanced skill in building APIs Previous experience in building on the blockchain Experience in working with start ups Benefits: Competitive salary Bonus Medical, Dental and vison insurance Flexible time off More ❯

.NET Developer - Leading E-Book Firm - London (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client are a leading More ❯

.NET Developer, Azure - Formula One Racing Team - London (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) Established in the 1970s More ❯

track record of building robust data pipelines in cloud-native environments (preferably AWS). Experience with Docker and container-based deployments. Strong knowledge of Snowflake and NoSQL databases (especially MongoDB). Solid understanding of financial markets and instruments particularly Fixed Income (or may consider with an exposure to credit, rates, equities, options, etc. Experience with market data providers (Bloomberg, Refinitiv … and optimize data workflows on AWS, including containerized environments using Docker. Ingest, transform, and serve large-scale financial datasets across asset classes using Python, Snowflake, and NoSQL databases (e.g., MongoDB). Ensure data quality, integrity, and availability across the front office stack. More ❯

track record of building robust data pipelines in cloud-native environments (preferably AWS). Experience with Docker and container-based deployments. Strong knowledge of Snowflake and NoSQL databases (especially MongoDB). Solid understanding of financial markets and instruments particularly Fixed Income (or may consider with an exposure to credit, rates, equities, options, etc. Experience with market data providers (Bloomberg, Refinitiv … and optimize data workflows on AWS, including containerized environments using Docker. Ingest, transform, and serve large-scale financial datasets across asset classes using Python, Snowflake, and NoSQL databases (e.g., MongoDB). Ensure data quality, integrity, and availability across the front office stack. More ❯

cost/safety guardrails). Essential Requirements 2–4+ years building production backends/services , with shipped work and clear ownership. Strong Python (FastAPI) and database skills ( PostgreSQL/MongoDB ); solid API design fundamentals. Familiarity with AWS serverless patterns and Docker for bespoke services; basic CI/CD concepts. Comfortable with Redis (caching/sessions) and common queue/messaging … integrations. Security hygiene (secrets, permissions, least-privilege) and practical data-privacy basics. Planning & execution in Linear (or similar). Tools & Stack Backend/Runtime: Python (FastAPI), Node.js. Datastores: PostgreSQL, MongoDB (as appropriate), Redis (caching/sessions). Vectors/Embeddings: Chroma (or similar). AI Models & APIs: Claude (Anthropic), Gemini (Google); Amazon Nova Canvas (vision), Deepgram (audio). AI Dev More ❯

cost/safety guardrails). Essential Requirements 2–4+ years building production backends/services , with shipped work and clear ownership. Strong Python (FastAPI) and database skills ( PostgreSQL/MongoDB ); solid API design fundamentals. Familiarity with AWS serverless patterns and Docker for bespoke services; basic CI/CD concepts. Comfortable with Redis (caching/sessions) and common queue/messaging … integrations. Security hygiene (secrets, permissions, least-privilege) and practical data-privacy basics. Planning & execution in Linear (or similar). Tools & Stack Backend/Runtime: Python (FastAPI), Node.js. Datastores: PostgreSQL, MongoDB (as appropriate), Redis (caching/sessions). Vectors/Embeddings: Chroma (or similar). AI Models & APIs: Claude (Anthropic), Gemini (Google); Amazon Nova Canvas (vision), Deepgram (audio). AI Dev More ❯

.NET Developer - Global Phenomenon - London (Tech stack: .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client has created a global phenomenon, connecting people online to unique More ❯

Graduate .NET Developer - Investment Bank - London (Tech stack: Graduate .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, Graduate .NET Developer) Our client is the world's most respected banking More ❯

EC2, Route53, and networking Fargate or equivalent i.e. Kubernetes, although you will not be using Kubernetes in this company Data appreciation: Experience managing databases at scale. Our client uses MongoDB Atlas and PostgreSQL on Aurora Strong data-handling mindset, you’ll be working with billion-row dataset Solid understanding of scalable, resilient infrastructure design (multi-region, multi-cloud) Ability to … ll Work With Cloud: AWS (ECS/Fargate, S3, Aurora Serverless, EC2, Route53, VPCs, CloudWatch) IaC: Pulumi with TypeScript Networking: VPN via TailScale, Global Accelerators, Azure VNET integration Data: MongoDB Atlas, Postgres on Aurora Serverless Pipelines: GitHub Actions for CI/CD Hosting: Fly.io and Vercel for front-end deployments Scale: Multi-region replication, 3-cloud backups, and private Azure More ❯

.NET Developer - Fastest Growing Social Media Firm - London (Tech stack: .NET Developer, .NET 9, C#, Web API 2, Entity Framework, Microservices, Azure, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is on a quest to transform how people discover More ❯

.NET Developer - Fastest-Growing Internet Co Ever - London (Tech stack: .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is changing the way merchants and consumers More ❯

.NET Developer, .NET 9, C# - Computer Gaming Company - London (Tech stack: .NET Developer, .NET 9, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) Having sold over 100 million games consoles and over More ❯

.NET Developer, .NET 9, C# - Digital Download Site - London (Tech stack: .NET Developer, .NET 9, C#, Web API 2, Entity Framework, Microservices, Azure, Programmer, Full Stack Engineer, Architect, .NET Developer)With operations in over 20 countries our client has fast More ❯

.NET Developer, .NET 9, C# - Global Record Label - London (Tech stack: .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) We are pleased to announce that our client More ❯

.NET Developer, .NET 9 - Social Networking Site - London (Tech stack: .NET Developer, .NET 9, C#, Web API 2, Entity Framework, Microservices, Azure, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is the world's largest social-networking web site More ❯

.NET Developer (Tech stack: .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is a global video technology company with a strong presence in 17 countries. More ❯

.NET Developer, .NET 9, C#, Agile - London (Tech stack: .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is a global innovator who builds software products More ❯