critical path items, especially around payment flows and on-chain logic. 4.DevOps & Security Architect and maintain secure, scalable infrastructure: Dockerized services, Kubernetes or AWS Fargate/ECS, managed PostgreSQL, Redis, and S3. Implement robust ESLint/Prettier (JS/TS) in CI, automated tests (Jest, Hardhat), and vulnerability scanning (Snyk or GitHub CodeQL). Ensure all API keys and secrets … webhooks. 3 years or more in building scalable backend APIs with Node.js + TypeScript (Express.js or NestJS) or FastAPI (Python). Expertise in relational databases (PostgreSQL), caching/queues (Redis, BullMQ or Celery), and advanced SQL (joins, indexes, migrations). Experience building microservices architectures, Docker, and CI/CD. Frontend Development (Strongly Preferred): Proficiency in Next.js (v13+), React (Hooks), TypeScript … critical path items, especially around payment flows and on-chain logic. 4.DevOps & Security Architect and maintain secure, scalable infrastructure: Dockerized services, Kubernetes or AWS Fargate/ECS, managed PostgreSQL, Redis, and S3. Implement robust ESLint/Prettier (JS/TS) in CI, automated tests (Jest, Hardhat), and vulnerability scanning (Snyk or GitHub CodeQL). Ensure all API keys and secrets More ❯
critical path items, especially around payment flows and on-chain logic. 4.DevOps & Security Architect and maintain secure, scalable infrastructure: Dockerized services, Kubernetes or AWS Fargate/ECS, managed PostgreSQL, Redis, and S3. Implement robust ESLint/Prettier (JS/TS) in CI, automated tests (Jest, Hardhat), and vulnerability scanning (Snyk or GitHub CodeQL). Ensure all API keys and secrets … webhooks. 3 years or more in building scalable backend APIs with Node.js + TypeScript (Express.js or NestJS) or FastAPI (Python). Expertise in relational databases (PostgreSQL), caching/queues (Redis, BullMQ or Celery), and advanced SQL (joins, indexes, migrations). Experience building microservices architectures, Docker, and CI/CD. Frontend Development (Strongly Preferred): Proficiency in Next.js (v13+), React (Hooks), TypeScript … critical path items, especially around payment flows and on-chain logic. 4.DevOps & Security Architect and maintain secure, scalable infrastructure: Dockerized services, Kubernetes or AWS Fargate/ECS, managed PostgreSQL, Redis, and S3. Implement robust ESLint/Prettier (JS/TS) in CI, automated tests (Jest, Hardhat), and vulnerability scanning (Snyk or GitHub CodeQL). Ensure all API keys and secrets More ❯
workflows Preferred Qualifications Working knowledge of C++, particularly for integration with performance-critical or legacy systems Familiarity with frontend frameworks (React, Vue.js, or Angular) Experience with databases (PostgreSQL, DynamoDB, Redis, etc.) Exposure to microservices, messaging queues (Kafka, SQS), and event-driven architecture Understanding of authentication (OAuth2, JWT), API security, and access control Bachelor's degree in Computer Science, Engineering, or More ❯
must have existing UK work authorization. Key Responsibilities Design, develop, and maintain backend services and APIs using TypeScript/JavaScript (Node.js) Build and query data models using MongoDB and Redis Develop, containerize, and deploy applications using Docker Collaborate with product, design, and engineering teams to deliver new features Write clean, maintainable, and well-documented code Implement and maintain unit and … with TypeScript and JavaScript (Node.js) Proficiency in Docker and containerized development workflows Solid understanding of Git and version control best practices Experience working with NoSQL databases, especially MongoDB and Redis Familiarity with AWS services like EC2, Lambda, S3, and CloudWatch Comfortable designing and working with RESTful APIs Hands-on experience with testing frameworks such as Jest , Mocha , or similar Understanding More ❯
must have existing UK work authorization. Key Responsibilities Design, develop, and maintain backend services and APIs using TypeScript/JavaScript (Node.js) Build and query data models using MongoDB and Redis Develop, containerize, and deploy applications using Docker Collaborate with product, design, and engineering teams to deliver new features Write clean, maintainable, and well-documented code Implement and maintain unit and … with TypeScript and JavaScript (Node.js) Proficiency in Docker and containerized development workflows Solid understanding of Git and version control best practices Experience working with NoSQL databases, especially MongoDB and Redis Familiarity with AWS services like EC2, Lambda, S3, and CloudWatch Comfortable designing and working with RESTful APIs Hands-on experience with testing frameworks such as Jest , Mocha , or similar Understanding More ❯
Bristol, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Strong knowledge of RESTful APIs, GraphQL, and microservices architecture. Proficiency with DevOps tools and CI/CD pipelines (Docker, Kubernetes, Jenkins, Bitbucket Pipelines). Experience in data processing (Kafka, Redis streams) & analytics (Superset, Elastic Search). Excellent problem-solving skills and ability to work in a fast-paced environment. Great communication skills to guide a technical team and collaborate with More ❯
stafford, midlands, united kingdom Hybrid / WFH Options
GivEnergy
pipelines ( Github workflows enough) Authentication protocol understanding eg: Oauth2 Developing, testing, and consuming RESTful APIs It would be advantageous if you had some competence in the following: React IoT Redis Python Testing/Unit Testing Why Work With Us? Be part of a fast-growing, innovative company at the forefront of the renewable energy sector. Work with a dynamic and More ❯
Stoke-On-Trent, England, United Kingdom Hybrid / WFH Options
GivEnergy
pipelines ( Github workflows enough) Authentication protocol understanding eg: Oauth2 Developing, testing, and consuming RESTful APIs It would be advantageous if you had some competence in the following: React IoT Redis Python Testing/Unit Testing Why Work With Us? Be part of a fast-growing, innovative company at the forefront of the renewable energy sector. Work with a dynamic and More ❯
the power of AWS with Lambda, ECS, S3, DynamoDB, and RDS Empower your creations with Docker, Terraform, Packer, TeamCity, and GitHub Dive into the depths of MSSQL, MySQL, and Redis With these tools at your disposal, you'll: Engineer captivating full stack web applications Weave RESTful APIs for our clients to savour Craft the unsung heroes – background services that bolster More ❯
Cardiff, Wales, United Kingdom Hybrid / WFH Options
Aforza Ltd
knowledge of Nest.js is a massive plus!) Sound knowledge of SQL and NoSQL databases and be familiar with query optimizations such as indexing Experience with distributed caches, such as Redis Experience structuring and developing REST APIs Experience writing unit and integration tests using Jest Experience with Docker/Kubernetes Experience with GCP/AWS/Azure Compensation/Benefits Working More ❯
to the following stack Infrastructure: Amazon Web Services; Kubernetes; GitOps (ArgoCD), Github Actions Backend: Language: Python; Web Frameworks: Python frameworks including Django, Fast API; Databases: PostgreSQL, MongoDB, ElasticSearch, and Redis among others; Other: Celery, RabbitMQ, among others. Frontend: Javascript & Vue.JS Apply on our Careers Page If you are a fit for this role and are excited to join Manatal, please More ❯
to the following stack Infrastructure: Amazon Web Services; Kubernetes; GitOps (ArgoCD), Github Actions Backend: Language: Python; Web Frameworks: Python frameworks including Django, Fast API; Databases: PostgreSQL, MongoDB, ElasticSearch, and Redis among others; Other: Celery, RabbitMQ, among others. Frontend: Javascript & Vue.JS Apply on our Careers Page If you are a fit for this role and are excited to join Manatal, please More ❯
to the following stack Infrastructure: Amazon Web Services; Kubernetes; GitOps (ArgoCD), Github Actions Backend: Language: Python; Web Frameworks: Python frameworks including Django, Fast API; Databases: PostgreSQL, MongoDB, ElasticSearch, and Redis among others; Other: Celery, RabbitMQ, among others. Frontend: Javascript & Vue.JS Apply on our Careers Page If you are a fit for this role and are excited to join Manatal, please More ❯
london (city of london), south east england, united kingdom
Manatal
to the following stack Infrastructure: Amazon Web Services; Kubernetes; GitOps (ArgoCD), Github Actions Backend: Language: Python; Web Frameworks: Python frameworks including Django, Fast API; Databases: PostgreSQL, MongoDB, ElasticSearch, and Redis among others; Other: Celery, RabbitMQ, among others. Frontend: Javascript & Vue.JS Apply on our Careers Page If you are a fit for this role and are excited to join Manatal, please More ❯
for augmenting LLMs with domain-specific knowledge. Prompt engineering and fine-tuning for tailoring model behavior to business-specific contexts. Use of embedding stores and vector databases (e.g., Pinecone, Redis, Azure AI Search) to support semantic search and recommendation systems. Building intelligent features like AI-powered chatbots , assistants , and question-answering systems using LLMs and conversational agents. Awareness of agentic More ❯
for augmenting LLMs with domain-specific knowledge. Prompt engineering and fine-tuning for tailoring model behavior to business-specific contexts. Use of embedding stores and vector databases (e.g., Pinecone, Redis, Azure AI Search) to support semantic search and recommendation systems. Building intelligent features like AI-powered chatbots , assistants , and question-answering systems using LLMs and conversational agents. Awareness of agentic More ❯
for augmenting LLMs with domain-specific knowledge. Prompt engineering and fine-tuning for tailoring model behavior to business-specific contexts. Use of embedding stores and vector databases (e.g., Pinecone, Redis, Azure AI Search) to support semantic search and recommendation systems. Building intelligent features like AI-powered chatbots , assistants , and question-answering systems using LLMs and conversational agents. Awareness of agentic More ❯
london (city of london), south east england, united kingdom
Zensar Technologies
for augmenting LLMs with domain-specific knowledge. Prompt engineering and fine-tuning for tailoring model behavior to business-specific contexts. Use of embedding stores and vector databases (e.g., Pinecone, Redis, Azure AI Search) to support semantic search and recommendation systems. Building intelligent features like AI-powered chatbots , assistants , and question-answering systems using LLMs and conversational agents. Awareness of agentic More ❯
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
WorksHub
each team leverages the technology that fits their needs best. You'll see us working with data processing/streaming like Kinesis, Spark and Flink; application technologies like PostgreSQL, Redis & DynamoDB; and breaking things using in-house chaos principles and tools such as Gatling to drive load all deployed and hosted on AWS. Our services teams are advocates of functional More ❯
Manchester, England, United Kingdom Hybrid / WFH Options
Resident Advisor
consists of a next.js frontend, and a GraphQL backend. We use React on the frontend and a mixture of node and C# on the backend. We also use elasticsearch, redis and deploy to Kubernetes in the cloud, using managed services and infrastructure-as-code whenever possible. Your role will involve working in a small agile team with other talented full More ❯
Cambridge, Cambridgeshire, United Kingdom Hybrid / WFH Options
Genie Ventures Ltd
elements of Scrum and Kanban. Some of the technologies we're using are: - PHP 8 - PHPUnit/Behat - Javascript/Typescript - MySQL/AWS DynamoDB/AWS Redshift - Elasticsearch - Redis - AWS SQS/SNS - Terraform - Docker/AWS ECS About you You have a deep technical understanding of web development and will use your skills to deliver your own large More ❯
Cambridge, England, United Kingdom Hybrid / WFH Options
Genie Shopping
elements of Scrum and Kanban. Some of the technologies we’re using are: - PHP 8 - PHPUnit/Behat - Javascript/Typescript - MySQL/AWS DynamoDB/AWS Redshift - Elasticsearch - Redis - AWS SQS/SNS - Terraform - Docker/AWS ECS About you You have a deep technical understanding of web development and will use your skills to deliver your own large More ❯
elements of Scrum and Kanban. Some of the technologies we’re using are: - PHP 8 - PHPUnit/Behat - Javascript/Typescript - MySQL/AWS DynamoDB/AWS Redshift - Elasticsearch - Redis - AWS SQS/SNS - Terraform - Docker/AWS ECS About you You have a deep technical understanding of web development and will use your skills to deliver your own large More ❯
cambridge, east anglia, united kingdom Hybrid / WFH Options
Genie Shopping
elements of Scrum and Kanban. Some of the technologies we’re using are: - PHP 8 - PHPUnit/Behat - Javascript/Typescript - MySQL/AWS DynamoDB/AWS Redshift - Elasticsearch - Redis - AWS SQS/SNS - Terraform - Docker/AWS ECS About you You have a deep technical understanding of web development and will use your skills to deliver your own large More ❯
Cambridge, south west england, united kingdom Hybrid / WFH Options
Genie Shopping
elements of Scrum and Kanban. Some of the technologies we’re using are: - PHP 8 - PHPUnit/Behat - Javascript/Typescript - MySQL/AWS DynamoDB/AWS Redshift - Elasticsearch - Redis - AWS SQS/SNS - Terraform - Docker/AWS ECS About you You have a deep technical understanding of web development and will use your skills to deliver your own large More ❯