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 ❯
City of London, London, United Kingdom Hybrid / WFH Options
Experis
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 ❯
london, south east england, united kingdom Hybrid / WFH Options
Experis
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 ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Experis
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 ❯
Greater London, England, United Kingdom Hybrid / WFH Options
Noir
.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 ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Noir
.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 ❯
features Develop and maintain the APIs that power our platform Contribute to system reliability by taking part in our on-call rotation Requirements Solid experience with Python, GraphQL, and MongoDB Flexibility to move across the stack when needed Hands-on experience in blockchain development Strong product intuition with a focus on user experience Benefits Competitive salary Top-quality medical, dental 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 ❯
Greater London, England, United Kingdom Hybrid / WFH Options
Noir
.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 ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Noir
.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 ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Noir
.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 ❯
CFM, CRM, and CSM.Proficiency with data exchanges and REST/SOAP APIs and Webhooks. Familiarity with platform authentication patterns (SAML, SSO, OAuth).High-level knowledge of relational databases and MongoDB Full understanding of software development lifecycle best practices."Please note: We are unable to consider applicants who require visa sponsorship or work authorization support for this role. Candidates must have 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 ❯
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 ❯
london (city of london), south east england, united kingdom
NP Group
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 ❯
We help people achieve a better later life. That's our purpose and it's the reason we exist. We are a fast-growing FTSE 250 company helping customers enjoy the retirement they deserve. We do this through a variety More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Lorien
environment capacity. Provide Environment Management representation in daily scrums, working groups, and ad-hoc meetings. Required Skillsets: Strong skills and experience with data technologies such as IBM DB2, Oracle, MongoDB, Hive, Hadoop, SQL, Informatica, and similar tech stacks. Attention to detail and strong ability to work independently and navigate complex target end state architecture (Tessa). Strong knowledge and experience … with Agile testing processes and methodologies, preferably Scaled Agile Framework or similar. Good experience and skills within streaming technologies like Confluent Kafka, Streamsets, MongoDB, IBM CDC. Knowledge of public/enterprise cloud technologies (AWS EC2, S3 Bucket, GCP, Azure) is advantageous but not required. Some skills/experience with automated testing frameworks (Java, Python, PySpark, Bitbucket, Gitlab, Jenkins) is advantageous 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 ❯
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 ❯
london (city of london), south east england, united kingdom
Affinity Labs
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 ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Noir
.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 ❯
Greater London, England, United Kingdom Hybrid / WFH Options
Noir
.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 ❯