City of London, London, United Kingdom Hybrid/Remote Options
Areti Group | B Corp™
complex problems in data flow, latency, and scale Contributing to a culture of fast iteration, clean code, and continuous learning 🧰 Tech Stack: Python (FastAPI, Flask) TypeScript, Node.js, React PostgreSQL, Redis, Kafka Docker, Kubernetes, AWS CI/CD with GitHub Actions, Terraform 💼 What You’ll Bring: Experience in working on Defence and Government projects Ideally security cleared to at least SC More ❯
Scale & Performance Focus Experience building systems that efficiently handle millions of requests/events per day with stringent latency requirements. Deep understanding of distributed systems principles , caching strategies (e.g., Redis, Memcached), and microservices communication patterns (e.g., message queues, service meshes). Background in IoT platforms, real-time data processing , or high-scale consumer applications is a significant bonus. Technical Environment More ❯
in TypeScript , ReactJS , Node.js , and RESTful API development . Experience with microservices , event-driven architecture , and cloud-native development . Strong understanding of SQL and NoSQL databases (PostgreSQL, DynamoDB, Redis). Proficient in AWS cloud services especially Lambda, SQS, S3, Cognito, API Gateway, EventBridge, etc. Hands-on experience with DevOps practices (CI/CD pipelines, Docker, GitHub Actions). Familiarity More ❯
fast-paced tech environments. Strong skills in C#, .NET Core, React, AWS/Azure, and database systems (SQL/NoSQL). One or more of Aurora DB, CosmoDB, MongoDB, Redis, Kafka A problem-solving mindset with a focus on delivering robust, scalable microservice solutions. Excellent communication skills and a collaborative approach. A self-starter attitude — comfortable working independently within a More ❯
data ownership, scaling, and observability Essential Qualifications: Built modern full-stack applications (Python/Java/Go + React) Worked with a variety of storage technologies (eg. Postgres, Mongo, Redis, Object) Experience with async and bi-directional communication protocols and patterns (eg. WebSockets, SSE) Designed and implemented event-driven distributed systems (eg. Kafka/Pulsar, RabbitMQ, MQTT, or similar) Experience More ❯
C++. Expertise in building high-performance, distributed systems with microservices architectures. Strong understanding of concurrency, networking, and real-time data processing. Experience with SQL (MySQL/PostgreSQL) and NoSQL (Redis/MongoDB) databases. Familiarity with message queues (Kafka, RabbitMQ) and service discovery tools (Etcd, ZooKeeper). Experience with cloud platforms (AWS, GCP, Azure) and CI/CD pipelines (Jenkins, Ansible More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Sanderson
and JWT validation. Strong command of Infrastructure as Code (Terraform, Ansible) and CI/CD automation (GitHub Actions, Jenkins, Harness). Familiarity with messaging, caching, and database systems — Kafka, Redis, MongoDB, Cassandra, PostgreSQL. Hands-on experience in monitoring, observability, and incident response frameworks using modern tooling. Strong leadership, mentoring, and stakeholder management skills — able to scale teams, set OKRs, and More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Ampstek
No. of Positions: 1 Job Description: Python Developer Principal Accountabilities Develop backend systems using Python, FastAPI, and related frameworks Manage data with SQL Alchemy, working across PostgreSQL, CosmosDB, and Redis Build scalable cloud solutions using Azure PaaS services (App Services, Function Apps, API Management, etc.) Design and implement RESTful APIs and microservices architecture using Swagger and Postman Handle distributed task More ❯
understanding of both relational and NoSQL databases Familiarity with Git and collaborative workflows, background workers/task queues (e.g. Celery, RQ), and caching/pub-sub systems such as Redis Experience with containerisation (Docker, Kubernetes), asynchronous processing, DevOps, and cloud deployment environments An ability to solve complex problems, work under shifting priorities, and thrive in a fast-paced startup environment More ❯
encryption, access control, compliance frameworks. Hands-on technical foundation in either software development (.NET/C# preferred) or infrastructure engineering. Beneficial Experience Exposure to Azure services: Cosmos DB, PostgreSQL, Redis Cache, Service Bus, Key Vault, Storage Accounts and PrivateLink integrations. Experience with monitoring tools (Grafana, Prometheus) and RESTful APIs (Postman). Awareness of cloud security tools such as CSPM, workload More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Oliver Bernard
professional experience in backend software development (with at least 1–2 years using Golang). Solid understanding of distributed systems , concurrency , and API design . Experience with PostgreSQL , Kafka , Redis , or similar technologies. Familiarity with Docker , Kubernetes , and cloud platforms (AWS, GCP, or Azure). Strong problem-solving skills and attention to performance and reliability. Bonus points for experience in More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Yaspa
JVM (memory model, concurrency, data structures) Spring framework, Spring Boot Maven Knowledge of REST APIs & Microservices MongoDB JUnit and TDD Nice to haves: AWS Kotlin Git Pipelines Javascript, React Redis Knowledge of Linux Key Details Reporting to: CTO Hours: Full time Location London - Hybrid WFH model, x2 days a week onsite (Wed/Thurs) Working with Yaspa We are a More ❯
marketing website Ionic for hybrid and progressive mobile apps PostgreSQL for our database, using some of its advanced geographic modelling capabilities Metabase for analysis and self-serve data exploration Redis for caching and task queues GitHub, Codeship and Heroku for seamless code review, integration and deployment Claude Code for agentic coding AWS S3, CloudFront and Lambda for storage and content More ❯
+ ability to ship quickly in small teams. Expo/EAS experience is a bonus. ⚙️ Tech Stack React Native (Expo), React/Next.js, Python (FastAPI), Node.js, Postgres/MongoDB, Redis, AWS, LangChain/CrewAI, Claude/Gemini. More ❯
Senior Full-Stack Engineers (backend-leaning, ~65/35) to help scale intelligent, high-performance systems across: Node.js, TypeScript, GraphQL AWS serverless architecture React (supporting product UI work) Postgres, Redis, and modern tooling You’ll have significant ownership, working directly with founders and product to design and ship features that solve complex operational challenges for enterprise clients. Why this is More ❯
complex database queries, ML models. Learn, use, and improve best practices and processes for high-quality software development. Our technology stack includes Python 3.11, PostgreSQL, Django, mypy, GraphQL, Docker, Redis, Typescript, React. Qualifications We’re only considering exceptional candidates, with the following pre-requisites: 5+ years of professional software development experience. 2+ years of professional experience in Python. 2+ years More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Quantum Technology Solutions Inc
systems reliable, efficient, and well-documented in a fast-moving fintech environment. Key Responsibilities Cloud Infrastructure & Platform Engineering · Design, build, and operate Azure environments including Container Apps, Kubernetes, Postgres, Redis, Event Hubs, Kafka, Storage, and Vercel , ensuring high performance, security, and cost efficiency. · Define and maintain governance planning and access control , including granular permission structures, RBAC, and least-privilege configurations More ❯
City Of London, England, United Kingdom Hybrid/Remote Options
Bondaval
to testing, deployment, and monitoring. Contribute to front-end code (VueJS) as needed, supporting a collaborative, full stack environment. Work with relational databases (Postgres) and NoSQL solutions (e.g., MongoDB, Redis). Participate in architectural discussions and technology decision-making. Help improve CI/CD pipelines and infrastructure (AWS, Ansible, GitHub Actions). Write clean, maintainable, and well-tested code. Contribute … side language (Go preferred, Python or Java applicable). You will have built and designed distributed systems and scalable architectures. Experience with relational databases (Postgres) and NoSQL databases (MongoDB, Redis, Cassandra). Experience with RESTful API design and integration. Familiarity with front-end frameworks (VueJS, React, or Angular). Good knowledge of source control (Git) and CI/CD tools. More ❯
