26 to 50 of 57 Elasticsearch Jobs in London

and asynchronous architecture Python and Javascript Building responsive frontend applications (our client uses TypeScript, React, and GraphQL) Database technologies and query languages (our client uses Neo4j, Kafka, MySQL, Snowflake, Elasticsearch, and more) RESTful architecture AWS Cloud technologies Log analysis to investigate bugs and performance issues Unit and integration tests Agile development practices Nice to have: Typescript Other requirements and More ❯

and asynchronous architecture Python and Javascript Building responsive frontend applications (our client uses TypeScript, React, and GraphQL) Database technologies and query languages (our client uses Neo4j, Kafka, MySQL, Snowflake, Elasticsearch, and more) RESTful architecture AWS Cloud technologies Log analysis to investigate bugs and performance issues Unit and integration tests Agile development practices Nice to have: Typescript Other requirements and More ❯

and asynchronous architecture Python and Javascript Building responsive frontend applications (our client uses TypeScript, React, and GraphQL) Database technologies and query languages (our client uses Neo4j, Kafka, MySQL, Snowflake, Elasticsearch, and more) RESTful architecture AWS Cloud technologies Log analysis to investigate bugs and performance issues Unit and integration tests Agile development practices Nice to have: Typescript Other requirements and More ❯

and asynchronous architecture Python and Javascript Building responsive frontend applications (our client uses TypeScript, React, and GraphQL) Database technologies and query languages (our client uses Neo4j, Kafka, MySQL, Snowflake, Elasticsearch, and more) RESTful architecture AWS Cloud technologies Log analysis to investigate bugs and performance issues Unit and integration tests Agile development practices Nice to have: Typescript Other requirements and More ❯

engineer with an ownership mindset, strong communication skills, and a collaborative approach. 5+ years’ experience in full-stack development. Strong background in RAG systems , vector databases (pgvector, FAISS, Weaviate, Elasticsearch k-NN), embeddings, and hybrid search methods. Practical knowledge of chunking strategies, indexing, precision/recall trade-offs, reranking, and evaluation techniques. Proficient in Python (FastAPI) and React/ More ❯

be exposed to the following stack Infrastructure: Amazon Web Services, Kubernetes, GitOps (ArgoCD), GitHub Actions Backend: Language: Python; Web Frameworks: Python frameworks including Django and FastAPI; 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 More ❯

be exposed to the following stack Infrastructure: Amazon Web Services, Kubernetes, GitOps (ArgoCD), GitHub Actions Backend: Language: Python; Web Frameworks: Python frameworks including Django and FastAPI; 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 More ❯

be exposed to the following stack Infrastructure: Amazon Web Services, Kubernetes, GitOps (ArgoCD), GitHub Actions Backend: Language: Python; Web Frameworks: Python frameworks including Django and FastAPI; 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 More ❯

be exposed to the following stack Infrastructure: Amazon Web Services, Kubernetes, GitOps (ArgoCD), GitHub Actions Backend: Language: Python; Web Frameworks: Python frameworks including Django and FastAPI; 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 More ❯

Mission-Critical areas. WE NEED THE BIG DATA ENGINEER TO HAVE.... Current DV clearance - Standard or Enhanced Must have experience with big data tools such as Hadoop, Cloudera or Elasticsearch Experience with Palantir Foundry is preferred but not essential Experience working in an Agile Scrum environment Experience in design, development, test and integration of software IT WOULD BE NICE More ❯

control, agile methodologies) Familiarity with infrastructure automation and configuration management tools (Chef, Puppet, or Ansible) Exposure to distributed storage systems and related protocols Experience with observability and monitoring tools (Elasticsearch, Logstash, Kibana, Datadog, Prometheus, Grafana) Strong written and verbal communication skills Demonstrated ability to learn quickly and adapt to evolving technologies Ability to work effectively in a fast-paced More ❯

control, agile methodologies) Familiarity with infrastructure automation and configuration management tools (Chef, Puppet, or Ansible) Exposure to distributed storage systems and related protocols Experience with observability and monitoring tools (Elasticsearch, Logstash, Kibana, Datadog, Prometheus, Grafana) Strong written and verbal communication skills Demonstrated ability to learn quickly and adapt to evolving technologies Ability to work effectively in a fast-paced More ❯

control, agile methodologies) Familiarity with infrastructure automation and configuration management tools (Chef, Puppet, or Ansible) Exposure to distributed storage systems and related protocols Experience with observability and monitoring tools (Elasticsearch, Logstash, Kibana, Datadog, Prometheus, Grafana) Strong written and verbal communication skills Demonstrated ability to learn quickly and adapt to evolving technologies Ability to work effectively in a fast-paced More ❯

control, agile methodologies) Familiarity with infrastructure automation and configuration management tools (Chef, Puppet, or Ansible) Exposure to distributed storage systems and related protocols Experience with observability and monitoring tools (Elasticsearch, Logstash, Kibana, Datadog, Prometheus, Grafana) Strong written and verbal communication skills Demonstrated ability to learn quickly and adapt to evolving technologies Ability to work effectively in a fast-paced More ❯

be an advocate for automated testing and promote a thoughtful, test-driven approach across the team. A Typical Week Might Involve: • Building and improving microservices using Java, Spring Boot, Elasticsearch, Kafka, Gradle, Hibernate, Couchbase, SQL, and Docker • Working with your team to design APIs and services that power our mobile experiences • Contributing to technical discussions and helping prioritise features More ❯

work, you must hold enhanced DV Clearance. WE NEED THE DATA ENGINEER TO HAVE.... Current enhanced DV Security Clearance Experience with big data tools such as Hadoop, Cloudera or Elasticsearch Experience With Palantir Foundry Experience working in an Agile Scrum environment with tools such as Confluence/Jira Experience in design, development, test and integration of software Willingness to More ❯

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 ❯

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 ❯

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 ❯

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 ❯

solving skills; able to work independently and collaboratively. Experience with ticketing systems, especially Jira Excellent communication and interpersonal abilities. Familiarity with APIs and integration with other platforms. Experience with Elasticsearch or similar log management tools. Administrative experience with Microsoft products (SharePoint, O365, OneNote), including managing permissions and troubleshooting syncing and integration issues. Preferred Experience in the financial technology or More ❯

solving skills; able to work independently and collaboratively. Experience with ticketing systems, especially Jira Excellent communication and interpersonal abilities. Familiarity with APIs and integration with other platforms. Experience with Elasticsearch or similar log management tools. Administrative experience with Microsoft products (SharePoint, O365, OneNote), including managing permissions and troubleshooting syncing and integration issues. Preferred Experience in the financial technology or More ❯

solving skills; able to work independently and collaboratively. Experience with ticketing systems, especially Jira Excellent communication and interpersonal abilities. Familiarity with APIs and integration with other platforms. Experience with Elasticsearch or similar log management tools. Administrative experience with Microsoft products (SharePoint, O365, OneNote), including managing permissions and troubleshooting syncing and integration issues. Preferred Experience in the financial technology or More ❯

solving skills; able to work independently and collaboratively. Experience with ticketing systems, especially Jira Excellent communication and interpersonal abilities. Familiarity with APIs and integration with other platforms. Experience with Elasticsearch or similar log management tools. Administrative experience with Microsoft products (SharePoint, O365, OneNote), including managing permissions and troubleshooting syncing and integration issues. Preferred Experience in the financial technology or More ❯

Monitor and support operation of production systems Participate in knowledge sharing activities with colleagues The Tech Stack: Serialization libraries (Thrift, Protocol Buffers) CQRS frameworks (Axon) Text search engines (Lucene, ElasticSearch) About you: Minimum 5 years of Java developer experience Experience with agile development methodologies Experience with test driven development Experience with continuous integration systems Experience with dependency injection containers More ❯