activities across the SDLC including unit testing, system testing, integration, security, and performance testing Relentless focus on delivering business value through sound engineering methods and principles Working experience with Kafka for event-driven communication between services Experience in Cloud Applications Docker-based container development and deployment on Kubernetes Understanding of CI/CD methodologies and tools such as Jenkins More ❯
cloud-based architectures. Knowledge of containerisation tools (Docker, Kubernetes). Experience with CI/CD tools (e.g., Jenkins, Concourse, GitHub Actions) to integrate performance testing. Familiarity with message queues (Kafka, RabbitMQ). Experience accessibility testing. We offer an excellent benefits package that includes: a generous 30 days annual leave plus 8 bank holidays and 1 privilege day enrolment into More ❯
Newport, Wales, United Kingdom Hybrid / WFH Options
JR United Kingdom
scalable and resilient systems. Core Backed Technologies: Highly experienced in developing Java code, along with deep expertise within Spring boot OR Quarkus/GraalVM, Hands on with Messaging Systems (Kafka, RabbitMQ, Google Pub/Sub), SQL Databases CI/CD Pipelines and Agile development: Knowledge of continuous integration and delivery tools/practices, Scrum/Kanban methods, Automated testing More ❯
Cardiff, South Glamorgan, United Kingdom Hybrid / WFH Options
Cognibox
front-end technologies such as React, Node.js, C#, or .NET. Knowledge of Infrastructure as Code (IaC). Understanding of networking concepts like TCP/IP, DNS, HTTP. Experience with Kafka or similar event streaming platforms. What We Offer Alcumus supports a hybrid workplace policy and offers various perks and benefits including: Enhanced parental leave Generous annual leave Healthcare plan More ❯
Cardiff, South Glamorgan, United Kingdom Hybrid / WFH Options
RVU Co UK
environment. Experience with big data technologies (e.g. Spark, Databricks, Delta Lake, BigQuery). Experience with alternative data technologies (e.g. duckdb, polars, daft). Familiarity with eventing technologies (Event Hubs, Kafka etc ). Deep understanding of file formats and their behaviour such as parquet, delta and iceberg. What we offer We want to give you a great work environment; contribute More ❯
Newport, Wales, United Kingdom Hybrid / WFH Options
JR United Kingdom
management skills Detail-oriented with a strong focus on data accuracy, quality, and reliability Desirable (Nice to Have): Background in defence, government, or highly regulated sectors Familiarity with ApacheKafka, Spark, or Hadoop Experience with Docker and Kubernetes Use of monitoring/alerting tools such as Prometheus, Grafana, or ELK Understanding of machine learning algorithms and data science workflows More ❯
with at least 8 years’ experience architecting large-scale distributed systems, particularly on AWS. The ideal candidate will bring deep expertise in designing secure, scalable infrastructures using AWS, Kubernetes, Kafka, and Java-based microservices. You’ll be responsible for shaping technical strategy, leading architecture design, and mentoring teams across cloud transformation projects. A strong understanding of cloud security best More ❯
Cardiff, Wales, United Kingdom Hybrid / WFH Options
Identify Solutions
CD, IaC, observability). Experience with Cloud and big data technologies (e.g. Spark/Databricks/Delta Lake/BigQuery). Familiarity with eventing technologies (e.g. Event Hubs/Kafka) and file formats such as Parquet/Delta/Iceberg. Want to learn more? Get in touch for an informal chat. More ❯
Cardiff, Wales, United Kingdom Hybrid / WFH Options
JR United Kingdom
team technical initiatives. ? What You Bring Deep expertise in .NET/C#, AWS, microservices, and distributed systems. Strong leadership and mentoring skills. Proficiency with messaging systems (SNS/SQS, Kafka), CI/CD, and container orchestration (EKS/Kubernetes). Passion for craftsmanship and engineering excellence. Bonus if you have experience in healthcare/clinical systems, semantic search, or More ❯
Newport, Wales, United Kingdom Hybrid / WFH Options
JR United Kingdom
team technical initiatives. ? What You Bring Deep expertise in .NET/C#, AWS, microservices, and distributed systems. Strong leadership and mentoring skills. Proficiency with messaging systems (SNS/SQS, Kafka), CI/CD, and container orchestration (EKS/Kubernetes). Passion for craftsmanship and engineering excellence. Bonus if you have experience in healthcare/clinical systems, semantic search, or More ❯
Accessibility Testing. Has a working knowledge of a minimum of 5 of the following: API AWS Burp ( security ) BrowserStack Concourse/Jenkins Docker JMeter Karate/Rest API MongoDB Kafka Oracle Playwright Postman/SOAP UI Selenium Grid SQL Typescript Unix based systems Git XML Benefits Alongside your salary of £41,571, Companies House contributes £12,043 towards you More ❯
Cardiff, Wales, United Kingdom Hybrid / WFH Options
Monzo
our interview process can be completed in any language: Go to write our application code (there's an excellent interactive Go tutorial here ) Cassandra for most persistent data storage Kafka for our asynchronous message queue Kubernetes and Docker to schedule and run our services AWS for most of our production infrastructure and GCP for most of our data infrastructure. More ❯
Ebbw Vale, Wales, United Kingdom Hybrid / WFH Options
Methods
environments. Workflow Automation: Employ tools such as Apache Airflow to automate data flows and manage complex workflows within hybrid environments. Event Streaming Experience: Utilise event-driven technologies such as Kafka to handle real-time data streams effectively. Security and Compliance: Manage security setups and access controls, incorporating tools like Keycloak to protect data integrity and comply with legal standards More ❯
Brynmawr, Wales, United Kingdom Hybrid / WFH Options
Methods
environments. Workflow Automation: Employ tools such as Apache Airflow to automate data flows and manage complex workflows within hybrid environments. Event Streaming Experience: Utilise event-driven technologies such as Kafka to handle real-time data streams effectively. Security and Compliance: Manage security setups and access controls, incorporating tools like Keycloak to protect data integrity and comply with legal standards More ❯
Cardiff, Wales, United Kingdom Hybrid / WFH Options
JR United Kingdom
Participate in on-call rotation to ensure 24/7 coverage of global trading systems Use the latest technology stacks such as AWS, Java 17, Python 3, HDF5, Kubernetes, Kafka and Argo Candidate Requirements Years experience in financial technology support, preferably in electronic trading Strong understanding of market data structures and exchange connectivity Scripting abilities in Python, Bash, or … similar languages Knowledge of monitoring tools and alerting frameworks Exposure to data technologies such as Kafka, Spark or Delta Lake is useful but not mandat Bachelor's degree in Computer Science, Engineering, or related technical field This role offers competitive compensation and the opportunity to work with cutting-edge trading technology. Hybrid work arrangement available with 3 days per More ❯
Cardiff, South Glamorgan, United Kingdom Hybrid / WFH Options
Techwaka
our interview process can be completed in any language: Go to write our application code (there's an excellent interactive Go tutorial here ) Cassandra for most persistent data storage Kafka for our asynchronous message queue Kubernetes and Docker to schedule and run our services AWS for most of our production infrastructure and GCP for most of our data infrastructure. More ❯
Lead Data Scientist (Equity Only) - Cardiff Job Details Location: Cardiff, United Kingdom Job Category: Other EU Work Permit Required: Yes Job Views: 4 Posted: 16.06.2025 Expiry Date: 31.07.2025 About Luupli Luupli is a social media app 'in development' aimed at More ❯
Newport, Wales, United Kingdom Hybrid / WFH Options
JR United Kingdom
you’ll bring Solid commercial experience with Node.js and Typescript on large scale microservices architectures Extensive work on extremely high-traffic, distributed systems Good knowledge of Kubernetes and either Kafka or RabbitMQ Deep understanding of AWS and related tools Strong Computer Science fundamentals Happy working fully remote in a B2B capacity -- We make an active choice to be inclusive More ❯
Cardiff, Wales, United Kingdom Hybrid / WFH Options
JR United Kingdom
you’ll bring Solid commercial experience with Node.js and Typescript on large scale microservices architectures Extensive work on extremely high-traffic, distributed systems Good knowledge of Kubernetes and either Kafka or RabbitMQ Deep understanding of AWS and related tools Strong Computer Science fundamentals Happy working fully remote in a B2B capacity -- We make an active choice to be inclusive More ❯
Strong background in data architecture , including data modeling, warehousing, real-time and batch processing, and big data frameworks. Proficiency with modern data tools and technologies such as Spark, Databricks, Kafka, or Snowflake (bonus). Knowledge of cloud security, networking, and cost optimization as it relates to data platforms. Experience in total cost of ownership estimation and managing its impact More ❯
Strong background in data architecture , including data modeling, warehousing, real-time and batch processing, and big data frameworks. Proficiency with modern data tools and technologies such as Spark, Databricks, Kafka, or Snowflake (bonus). Knowledge of cloud security, networking, and cost optimization as it relates to data platforms. Experience in total cost of ownership estimation and managing its impact More ❯
profile, household-name companies. What you'll bring: Experience with cloud and big data technologies (e.g., Spark, Databricks, Delta Lake, BigQuery). Familiarity with eventing technologies (e.g., Event Hubs, Kafka) and file formats such as Parquet, Delta, Iceberg. Want to learn more? Get in touch for an informal chat. #J-18808-Ljbffr More ❯
cloud-native, multi-tenant SaaS architecture, leveraging Infrastructure as Code (IaC) and designing for cost efficiency—experience in regulated domains Deep knowledge of distributed and event-driven systems, like Kafka, AWS SNS/SQS, and development in languages such as Java and Python. Strong understanding of data-centric architecture principles, including data governance, data Lakehouse, and AI-driven platforms. More ❯
Newport, Wales, United Kingdom Hybrid / WFH Options
JR United Kingdom
Do Maintain and optimise Ubuntu-based Linux systems running in a private cloud environment. Monitor, troubleshoot, and improve performance across systems and services. Manage production databases (PostgreSQL, Cassandra, Redis, Kafka) with a focus on reliability and scalability. Work on network infrastructure — including WireGuard tunnels, BGP configuration, and general network troubleshooting. Contribute to internal tooling (AMIs, automation, monitoring) and help More ❯
Cardiff, Wales, United Kingdom Hybrid / WFH Options
JR United Kingdom
Do Maintain and optimise Ubuntu-based Linux systems running in a private cloud environment. Monitor, troubleshoot, and improve performance across systems and services. Manage production databases (PostgreSQL, Cassandra, Redis, Kafka) with a focus on reliability and scalability. Work on network infrastructure — including WireGuard tunnels, BGP configuration, and general network troubleshooting. Contribute to internal tooling (AMIs, automation, monitoring) and help More ❯