or Java. Client-side web apps are written in React, and some services in Clojure, Java and Go. Our platform consists of: Multiple Kubernetes Cluster for Container orchestration ApacheKafka and Redis shortly Postgres for event messaging Postgres for data storage OpenStack Swift for Object storage Juniper & Cisco networking devices A number of internally written tools for managing the More ❯
journey. What youll need Technical expertise in Java, with experience from project inception to production, valuing well-tested software and feedback. Experience with Spring, Hibernate, REST APIs, JSON, Microservices, Kafka, and Postgres. Understanding of architecture and cloud-native principles. Knowledge of algorithms and data structures. Familiarity with test-driven development. Experience with container environments like Docker, Kubernetes, Helm, preferably More ❯
Central London, London, United Kingdom Hybrid / WFH Options
Halian Technology Limited
Git-based workflows Bachelors/Computer Science degree or equivalent Nice to Have: Experience in fintech, payments, or banking systems Exposure to serverless architecture Knowledge of event-driven systems (Kafka, SNS/SQS) Familiarity with security best practices in fintech (e.g., PCI DSS compliance) Experience with PostgreSQL or MongoDB This role offers a 2 -3 stage interview process with More ❯
with structured data Unit testing with frameworks like JUnit Task management tools like JIRA Writing technical documentation for APIs and backend components Proficient with: SQL (PostgreSQL, MySQL, or similar) Kafka or other messaging/event-driven platforms Docker containerization Kubernetes for orchestration AWS services (e.g., S3, Lambda, EC2, etc.) Maven for build and dependency management CI/CD pipelines More ❯
experience with Core Java, JEE technologies, and modern web frameworks Proven track record in designing and deploying REST/SOAP APIs using JSON and XML Hands-on experience with Kafka (setup, maintenance, stream processing) Proficiency with containerisation tools such as Docker and Kubernetes Strong working knowledge of RDBMS (SQL Server, Oracle, DB2) and/or NoSQL (e.g., MongoDB) Experience More ❯
APIs, and scalable system architecture Experience working with relational and NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB, DynamoDB) Solid understanding of backend infrastructure, caching, load balancing, and distributed systems (including Kafka-based microservice meshes) Proficiency in Git and CI/CD workflows, with strong familiarity with tools like GitHub Actions, Jenkins, or similar Knowledge of containerisation (Docker), cloud services (especially More ❯
serverless architectures (Lambda, Fargate, Cloud Run, et al.) and a clear understanding of when not to use them. Experience with message queues (SQS, PubSub, RabbitMQ etc.) and data pipelines (Kafka, Beam, Kinesis, etc.) You are an effective team player with effective communication, presentation and influencing skills. You have a passion for improving coding and development practices. You have worked More ❯
understanding of best practices and advanced concepts. -Extensive experience in building and consuming RESTful APIs. -In-depth knowledge and hands-on experience with Spring technologies. -Skilled in using Hazelcast, Kafka, Docker, and Kubernetes (K8s). -Capable of creating detailed flow, block, and logical diagrams to represent solutions. -Comfortable delivering presentations to small and medium-sized groups. -Proven experience in More ❯
cost efficiency DevOps & CI/CD : Familiar with tools like GitHub, Terraform, Docker, Kubernetes, and automated testing and monitoring. Data & Integration : Skilled in data modelling, APIs, messaging systems (e.g., Kafka), and ETL pipelines. Security & Compliance : Knowledge of secure design, identity management, and regulatory standards (e.g., GDPR). Problem Solving : Proven ability to lead teams in diagnosing and resolving complex More ❯
domains. Strong proficiency in Java, C#, and/or React with a deep understanding of system architecture and distributed systems. Experience with low-latency, high-throughput messaging systems (e.g., Kafka, RabbitMQ, or proprietary systems). Expertise in cloud technologies and deployment pipelines (AWS, GCP, or Azure). Expertise in performance profiling and optimisation. Strong leadership and communication skills with More ❯
in disparate environments. Experienced with one or more of the following: Infrastructure as Code, API implementations, Containerisation, C++, Java, Spring Framework (including Spring Boot), Microservices, Oracle, Oracle Golden Gate, Kafka, Security Architecture Principles. Experience working in an agile environment and across multiple different roles (Delivery Leads, Business Analyst etc. across the software delivery lifecycle. What's in it for More ❯
SQL modelling techniques Knowledge of microservices purposed programming languages. Runtimes : Experience in .NET Core, .Net based development. Proficiency of Azure cloud services and frameworks Developing Event Driven Applications using Kafka, Zookeeper Knowledge of cloud-native CI/CD for change release. Knowledge in Test Driven Development Azure Full stack developers need to be proficient in running and managing services More ❯
Looking For: 7+ years of hands-on backend engineering experience, with deep expertise in Java and modern backend ecosystems. Proven experience building microservices and event-driven systems (e.g., with Kafka , RabbitMQ , or NATS ). Strong relational database skills ( PostgreSQL ), including schema design and SQL optimisation. Experience with RESTful API design and implementation, ideally with Spring Boot or Quarkus . More ❯
a proactive approach to process improvement Essential skills include: Proficiency with modern test automation tools such as Apache JMeter, mabl, Testim.io, Testsigma, Selenium, Gatling, LoadRunner, Searchlight Knowledge of ApacheKafka, Kubernetes, Docker, GraphQL Experience with cloud platforms like Azure, AWS, or GCP, and data processing Familiarity with CI/CD pipelines and DevOps tooling GitHub proficiency Strong organizational, analytical More ❯
MLOps practices and model deployment pipelines Proficient in cloud AI services (AWS SageMaker/Bedrock) Deep understanding of distributed systems and microservices architecture Expert in data pipeline platforms (ApacheKafka, Airflow, Spark) Proficient in both SQL (PostgreSQL, MySQL) and NoSQL (Elasticsearch, MongoDB) databases Strong containerization and orchestration skills (Docker, Kubernetes) Experience with infrastructure as code (Terraform, CloudFormation) Expertise in More ❯
Docker, Terraform, Bash scripting Middleware: IBM ACE or JMS/web services experience. Kibana, ELK, Elastic Search Working knowledge of User interface technologies (React, Node.js etc.) Experience with ApacheKafka or similar event streaming platforms Bachelor's degree in computer science, Software or Electronic engineering or other related discipline. Conversant with the modern Java and Linux development frameworks and More ❯
Docker, Terraform, Bash scripting Middleware: IBM ACE or JMS/web services experience. Kibana, ELK, Elastic Search Working knowledge of User interface technologies (React, Node.js etc.) Experience with ApacheKafka or similar event streaming platforms Bachelor's degree in computer science, Software or Electronic engineering or other related discipline. Conversant with the modern Java and Linux development frameworks and More ❯
Bristol, Gloucestershire, United Kingdom Hybrid / WFH Options
SR2 REC LTD
and impactful. Experience we're looking for: Experienced in designing and developing full stack solutions with Java, Spring boot and ideally React (or similar) Microservices Architecture Messaging technologies e.g Kafka, RabbitMQ OR ActiveMQ Familiar with Cloud platforms (AWS, Kubernetes, Docker) Experienced of working within an Agile Product team alongside scrum masters and product owners Strong communication skills and the More ❯
core programming language (Java or C#) and one scripting language (Python, JavaScript, ReactJS + TypeScript). Solid understanding of data structures and algorithms. Knowledge of web development, Equity Derivatives, Kafka, Kubernetes, Docker, SQL, KDB, Excel/VBA, and Unix programming is a plus. Good understanding of testing methodologies; familiarity with TDD/BDD is advantageous. LI-GB About UBS More ❯
highly scalable applications Database and Messaging - SQL (Joins, Indexing, Transactions), NoSQL (Mongo, Cassandra, CAP Theorem), SQL Queries, Query Optimization Caching Framework - Concepts, Types of Caching, Principles of caching, Messaging - Kafka, Solace You may be assessed on key skills such as risk and controls, change and transformation, business acumen, strategic thinking, digital and technology, as well as job-specific technical More ❯
champion a culture of innovation and challenge. We have over 300 tech experts across our teams all using the latest tools and technologies including Astro, Cloudflare, Docker, Kubernetes, AWS, Kafka, Java, Scala, Python, .Net Core, Node.js and MongoDB. Theres something for everyone . Were a place of opportunity. Youll have the tools and autonomy to drive your own career More ❯
Wandsworth, Greater London, UK Hybrid / WFH Options
Compare the Market
champion a culture of innovation and challenge. We have over 300 tech experts across our teams all using the latest tools and technologies including Astro, Cloudflare, Docker, Kubernetes, AWS, Kafka, Java, Scala, Python, .Net Core, Node.js and MongoDB. Theres something for everyone . Were a place of opportunity. Youll have the tools and autonomy to drive your own career More ❯
communication skills for presenting findings to stakeholders. Nice-to-Have Skills Knowledge of API development with REST or GraphQL . Understanding of event-driven architectures and message queues (e.g., Kafka , RabbitMQ ). Knowledge of performance optimization tools and strategies for backend systems. Familiarity with testing frameworks (e.g., Jest , Cypress , Playwright ) for unit, integration, and end-to-end testing. Familiarity More ❯
Expert (SME) in at least one area of Applications Development Experience in any number of additional technologies (listed below) is advantageous: Kotlin Cloud Technologies (Kubernetes, Open Shift) Messaging Technologies (Kafka, Solace, TIBCO) Database/Data Store/Data Query Technologies (SQL Server, Trino, Mongo, S3) Observability Technologies (OpenTelemetry, Elastic Stack/ELK, Grafana) This job description provides a high More ❯
