london (canary wharf), south east england, united kingdom
Barclays
proposing alternative solutions pragmatically Experience architecting, designing, and developing applications coupled with experience of debugging and optimizing code Some other highly valued skills may include: Distributed Cache experience (Ignite, Redis, and others.) and with Cloud platforms (AWS, Azure) Containerization with Docker/Kubernetes and Agile methodology for software development Proficiency in modern front-end frameworks (such as Angular, React, or More ❯
familiarity in wireframing tools (eg, Figma). Hands-on experience in building distributed systems with messaging technologies such as RabbitMQ or Kafka. Proficient with caching techniques and tools (eg, Redis, Protobuf). Solid experience with CI/CD tools and pipelines (eg, Azure DevOps, Octopus, Jenkins). Experience working with both relational (eg, SQL Server, RDS) and NoSQL (eg, MongoDB More ❯
familiarity in wireframing tools (eg, Figma). Hands-on experience in building distributed systems with messaging technologies such as RabbitMQ or Kafka. Proficient with caching techniques and tools (eg, Redis, Protobuf). Solid experience with CI/CD tools and pipelines (eg, Azure DevOps, Octopus, Jenkins). Experience working with both relational (eg, SQL Server, RDS) and NoSQL (eg, MongoDB 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 ❯
to help engineers investigate issues or teach them new things Love to automate manual work and try new modern technology/approaches Tech stack: AWS, Kubernetes, MongoDB, PostgreSQL, RabbitMQ, Redis, Ansible, Terraform, Grafana, Prometheus, Datadog, Sentry, Loki, Jenkins. What we Offer We expect excellence from our people — both on the road and in the office. In return, we offer flexible More ❯
London, South East, England, United Kingdom Hybrid/Remote Options
F S People
development. A collaborative approach. You thrive in cross-functional teams while working autonomously. High personal engineering standards. You lead by example rather than authority. Nice to have Experience with Redis and Celery. Experience scaling multi-tenant SaaS applications. Experience with cloud platforms. (AWS, Google Cloud or Azure). Knowledge of containerisation (Docker or Kubernetes) Familiarity with SOC 2 readiness and 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 ❯
London, South East, England, United Kingdom Hybrid/Remote Options
Avanti
AI technologies Communicate progress and technical insights clearly to stakeholders What We’re Looking For Strong technical background in TypeScript, React, Node.js, and Next.js Familiarity with GraphQL, Postgres, and Redis Experience using testing frameworks such as Jest and Cypress Solid understanding of CI/CD, DevOps , and cloud hosting (AWS, Docker, Pulumi, Heroku) Confident delivering features quickly and reliably, with More ❯
East London, London, United Kingdom Hybrid/Remote Options
Client Server
using Java, Spring Boot, CI/CD, Kubernetes, AWS, EKS and Grafana/Splunk. About you: You have advanced backend software engineering experience with Java, Spring Boot, REST, Postgres, Redis You have experience of running production workloads on Kubernetes (Amazon EKS preferred) You have a good knowledge of DevOps practices including CI/CD, IaC (Terraform) and container orchestration You More ❯
london, south east england, united kingdom Hybrid/Remote Options
Fresha
for main services NextJS/Typescript for our frontend services RDS PostgreSQL for persistent data storage GitHub Action as CI tool of choice - Jenkins & Argo Workflow for legacy pipelines Redis for key/value store Terraform for resource management What you'll do: Architecture - Define and develop the infrastructure architecture to support multi-region deployments Automation - Seek out processes that More ❯
london, south east england, united kingdom Hybrid/Remote Options
Lyst
on the platform (we currently make heavy use of EKS, EC2, ECS, RDS and ElastiCache) Good knowledge of data stores, their management and optimisation, (we've got PostgreSQL, Elasticsearch, Redis and DynamoDB behind our tooling and apps) Experience using or managing infrastructure-as-code, particularlyTerraform Good Python and shell-scripting knowledge in order to work with our tooling pipelines Proficient More ❯
SBE, JSON over TCP). Familiarity with low-latency patterns, high-throughput messaging, and microservices. Additional Skills Experience with Linux, shell scripting, and performance analysis tools. Knowledge of Kafka, Redis, Aerospike, or other high-performance data stores. Understanding of order lifecycle, price feeds, and eTrading workflows in fixed income/rates. More ❯
with a strong background in Linux infrastructure and third-party system operations. This role focuses on managing and optimizing large-scale environments (5,000+ hosts) running technologies like Kafka, Redis, and Kubernetes. The position does not involve application development but requires deep operational expertise and solid troubleshooting skills. Qualifications 5+ years of experience in Linux system administration or SRE roles More ❯
East London, London, England, United Kingdom Hybrid/Remote Options
Avanti
experience in C# and JavaScript Solid understanding of modern web development and best practices A proactive, problem-solving mindset Confident communicator who can collaborate remotely Nice to have: Azure, Redis, or experience building interactive front-end features. What’s on Offer £45,000–£55,000 salary Fully remote – UK only Flexible hours (core hours 10-4). 22 days + More ❯
London, South East, England, United Kingdom Hybrid/Remote Options
Avanti
experience in C# and JavaScript Solid understanding of modern web development and best practices A proactive, problem-solving mindset Confident communicator who can collaborate remotely Nice to have: Azure, Redis, or experience building interactive front-end features. What’s on Offer £45,000–£55,000 salary Fully remote – UK only Flexible hours (core hours 10-4). 22 days + More ❯
London, South East, England, United Kingdom Hybrid/Remote Options
Avanti
experience Strong understanding of web technologies and best practices Ability to self-organise due to the remote working Passion for quality, testing and building sustainable solutions Desirable: Azure experience Redis Interactive front-end features Available to start before the end of 2025 (don’t worry if your notice is longer) Benefits: Salary is £45,000 - £55,000 (Max) 30 days More ❯
reasoning platform, primarily using OCaml. There are opportunities to get involved across the full stack according to your skills and interests: Our web APIs and backend services (OCaml, PostgreSQL, Redis). Product UIs and visualization tools (React, via the ReasonML/Bucklescript/Melange toolchain, webgl). Continuous integration and cloud infrastructure (Google Cloud, Kubernetes, Terraform). Modeling and verifying More ❯
london, south east england, united kingdom Hybrid/Remote Options
CobbleWeb
stability. Make the platform easier to scale, extend, and maintain, both for our team and for external developers. Stack: Backend & Core: (TypeScript) - Fastify for REST, Apollo for GraphQL, TypeORM, Redis, PostgreSQL Side deps: chalk, chokidar, commander, winston, class-transformer, class-validator Frontend: v15 & React v19 More ❯
About the Role We’re looking for a Senior Platform/Infra Engineer to own the core infrastructure that powers Cosine’s products — from Kubernetes and deployment pipelines to networking and platform services. You’ll design and run the “paved More ❯