london (city of london), south east england, united kingdom
Expert Executive Recruiters (EER Global)
/PhD in a quantitative discipline. Experience with optimisation frameworks (Gurobi, OR-Tools). Knowledge of financial markets, derivatives, or clearing/margin optimisation. Hands-on experience with AWS, PostgreSQL, or distributed computing. Why Join? Solve complex mathematical challenges with global financial impact. Work in a collaborative, research-driven team where curiosity and creativity are valued. Benefit from a competitive More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Anson Mccade
for quality through Agile practices. Ensure clean, testable, and well-documented code. Our Tech Stack You'll be working primarily with: Python (FastAPI, Django) AWS (Lambda, EC2, S3, etc.) PostgreSQL , Opensearch Kubernetes , Helm , Terraform GitHub for version control We're pragmatic about tools and open to exploring new technologies that help us build better, faster, and smarter. What You'll More ❯
and analytical warehouses; design models for both. Python: Strong expertise; C# experience is a plus. SQL: Comfortable with complex queries and query tuning on relational and analytical databases (e.g., PostgreSQL, ClickHouse). Containers: Experience building, running, and deploying containerized services in local and production environments. Cloud platforms: Experience with Azure and distributed systems. Preferred Skills Kubernetes & Helm: Deploying and managing More ❯
london (city of london), south east england, united kingdom
Norton Blake
and analytical warehouses; design models for both. Python: Strong expertise; C# experience is a plus. SQL: Comfortable with complex queries and query tuning on relational and analytical databases (e.g., PostgreSQL, ClickHouse). Containers: Experience building, running, and deploying containerized services in local and production environments. Cloud platforms: Experience with Azure and distributed systems. Preferred Skills Kubernetes & Helm: Deploying and managing More ❯
expertise in writing complex, highly-performant SQL queries, including common table expressions (CTEs), window functions, and complex joins. Experience with query optimization and performance tuning on relational databases like PostgreSQL, MySQL, or similar Cloud data ecosystem (AWS) : hands-on experience with core AWS data services. Key services include: S3 for data lake storage AWS Glue for ETL and data cataloging More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Capsa AI
firm. You have taken entire products or features from ideation to production and you've measured their impact. You have experience with the following technologies (or similar): Python, FastAPI, Postgres, ElasticSearch, RabbitMQ, LLMs, Typescript, React You enjoy diving deep into the domain, understanding the problem, and focusing on delivering value to the customer. You thrive in a fast paced environment. More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Capsa AI
firm. You have taken entire products or features from ideation to production and you've measured their impact. You have experience with the following technologies (or similar): Python, FastAPI, Postgres, ElasticSearch, RabbitMQ, LLMs, Typescript, React You enjoy diving deep into the domain, understanding the problem, and focusing on delivering value to the customer. You thrive in a fast paced environment. More ❯
Claude Code (or similar). 7–10 years building production ML/back‐end systems; 2+ years leading while coding. Expert Python ; strong back‐end chops (e.g., FastAPI, gRPC, Postgres, pub/sub/streams). Agents & RAG: Fluency with at least one agent framework ( ADK preferred ). Proven track record shipping AI agents and building RAG pipelines. LLM + More ❯
london (city of london), south east england, united kingdom
Clarity (formerly Anecdote)
Claude Code (or similar). 7–10 years building production ML/back‐end systems; 2+ years leading while coding. Expert Python ; strong back‐end chops (e.g., FastAPI, gRPC, Postgres, pub/sub/streams). Agents & RAG: Fluency with at least one agent framework ( ADK preferred ). Proven track record shipping AI agents and building RAG pipelines. LLM + More ❯
Hands-on experience in at least one part of our stack is essential: Mobile: React Native, iOS/Android Web Frontend: React, TypeScript, Apollo, Tailwind Backend: TypeScript, Go, GraphQL, PostgreSQL, gRPC Hosting: GCP, AWS Above all, you bring strong commercial insight and a collaborative mindset, partnering seamlessly with product, marketing, and data stakeholders to translate vision into scalable engineering solutions More ❯
london (city of london), south east england, united kingdom
Eucalyptus
Hands-on experience in at least one part of our stack is essential: Mobile: React Native, iOS/Android Web Frontend: React, TypeScript, Apollo, Tailwind Backend: TypeScript, Go, GraphQL, PostgreSQL, gRPC Hosting: GCP, AWS Above all, you bring strong commercial insight and a collaborative mindset, partnering seamlessly with product, marketing, and data stakeholders to translate vision into scalable engineering solutions More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Reed Technology
the end-to-end delivery of features, ensuring the software is scalable, speedy, and of high quality. Architect, develop, and maintain core components of our SaaS platform: Backend: Python, PostgreSQL Frontend: TypeScript, NextJS/NodeJS Integrate AI tools, APIs, and data pipelines to enhance platform intelligence. Promote engineering best practices such as testing, CI/CD, and secure coding standards. … in leading small, high-performing engineering teams in fast-paced environments. Deep expertise in full-stack development, including: TypeScript/JavaScript (NextJS, NodeJS, Tailwind) Python (Django, Flask, or FastAPI) PostgreSQL Experience with building and scaling SaaS platforms in production. Strong background in software architecture, microservices, and API design. Hands-on experience with cloud platforms (AWS, Azure, or GCP). Excellent More ❯
City of London, London, United Kingdom Hybrid / WFH Options
TreasurySpring
dollars worth of our customers' investments every day, capturing all client orders and managing the entire investment cycle. Our backend services are built in [typed] Python3, backed by a Postgres database. This includes a proprietary workflow engine built around a Scheme-based workflow notation. Our frontend systems include our clean, simple web portal for client order capture and reporting, built … STEM degree or equivalent professional experience Desirable skills: Deep knowledge of Python, including any of the frameworks we currently use: Flask, SqlAlchemy, Alembic, Pydantic Experience with relational databases, ideally Postgres Experience of message-based architectures, and queuing technologies, i.e. RabbitMQ Experience of REST and/or GraphQL APIs Knowledge of the core AWS services: i.e. EC2/ECS, RDS, S3 More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
TreasurySpring
dollars worth of our customers' investments every day, capturing all client orders and managing the entire investment cycle. Our backend services are built in [typed] Python3, backed by a Postgres database. This includes a proprietary workflow engine built around a Scheme-based workflow notation. Our frontend systems include our clean, simple web portal for client order capture and reporting, built … STEM degree or equivalent professional experience Desirable skills: Deep knowledge of Python, including any of the frameworks we currently use: Flask, SqlAlchemy, Alembic, Pydantic Experience with relational databases, ideally Postgres Experience of message-based architectures, and queuing technologies, i.e. RabbitMQ Experience of REST and/or GraphQL APIs Knowledge of the core AWS services: i.e. EC2/ECS, RDS, S3 More ❯
EKS Terraform (Enterprise) Micro-services AWS experience including Cloudfront, S3, EKS, LoadBalancing, Security, API Gateway, Transit Gateway ArgoCD OpenTelemetry Istio Database experience ideally but not mandatory: RDS (Oracle/Postgres), MongoDB Gitlab CICD If this role sounds like a good match to your skill set and you would like to know more, please apply and I will call you to More ❯
london (city of london), south east england, united kingdom
Lorien
EKS Terraform (Enterprise) Micro-services AWS experience including Cloudfront, S3, EKS, LoadBalancing, Security, API Gateway, Transit Gateway ArgoCD OpenTelemetry Istio Database experience ideally but not mandatory: RDS (Oracle/Postgres), MongoDB Gitlab CICD If this role sounds like a good match to your skill set and you would like to know more, please apply and I will call you to More ❯
APIs in Elixir Design distributed, high-throughput services and real-time infrastructure. Collaborate across teams to deploy and optimize microservices. Requirements Proven experience with Elixir (3+ years) Familiar with PostgreSQL , Kafka/RabbitMQ , Docker , and AWS/GCP . Great communicator who thrives in collaborative hybrid teams. More ❯
london (city of london), south east england, united kingdom
trg.recruitment
APIs in Elixir Design distributed, high-throughput services and real-time infrastructure. Collaborate across teams to deploy and optimize microservices. Requirements Proven experience with Elixir (3+ years) Familiar with PostgreSQL , Kafka/RabbitMQ , Docker , and AWS/GCP . Great communicator who thrives in collaborative hybrid teams. More ❯
relevant technologies. Experience designing and implementing secure, scalable container solutions in Azure, leveraging tools like Microsoft Entra ID, Azure CLI, and AKS. Familiarity with Azure Cosmos DB APIs and PostgreSQL for database management and operations. Proficient in Helm charts and the Helm release process. Skilled in writing PowerShell and Bash scripts for automation tasks. Please apply with your up to More ❯
london (city of london), south east england, united kingdom
RED Global
relevant technologies. Experience designing and implementing secure, scalable container solutions in Azure, leveraging tools like Microsoft Entra ID, Azure CLI, and AKS. Familiarity with Azure Cosmos DB APIs and PostgreSQL for database management and operations. Proficient in Helm charts and the Helm release process. Skilled in writing PowerShell and Bash scripts for automation tasks. Please apply with your up to More ❯
SR2 | Socially Responsible Recruitment | Certified B Corporation™
For Strong Software Fundamentals: Excellent Python skills (Rust is a bonus) and experience designing distributed systems, REST APIs, and microservices Data & Infrastructure: Experience with Kafka or similar streaming technologies, PostgreSQL, and time-series data management DevOps & Observability: Familiar with Docker, monitoring, and observability tools Bonus Points For: Prior experience with energy markets, trading systems, industrial control systems, or IoT environments More ❯
london (city of london), south east england, united kingdom
SR2 | Socially Responsible Recruitment | Certified B Corporation™
For Strong Software Fundamentals: Excellent Python skills (Rust is a bonus) and experience designing distributed systems, REST APIs, and microservices Data & Infrastructure: Experience with Kafka or similar streaming technologies, PostgreSQL, and time-series data management DevOps & Observability: Familiar with Docker, monitoring, and observability tools Bonus Points For: Prior experience with energy markets, trading systems, industrial control systems, or IoT environments More ❯
AI-powered client features Who you are 6 + years of proven experience in a Engineering role, with a focus on data Confident working with SQL/NoSQL/PostgreSQL databases and data pipeline tools Strong expertise in programming languages such as NodeJS Experience with cloud services like AWS or Google Cloud Platform Knowledge of data streaming technologies like Apache More ❯
