12 of 12 DemandTrendPermanent Akka Jobs in London

Java Software Engineer - Java 11+, Spring, Spring Boot, Microservices, Kafka, Akka, MongoDB, Docker/Kubernetes, Real-time, TDD/BDD, Payments A Java Engineer with a background in finance/payments and experience working on distributed real-time systems is sought after by a global Fintech based in South West London. This organisation specialises in providing high performance technology solutions … real-time applications with Kafka and the JMS (or related MQ technologies e.g. RabbitMQ, ACtiveMQ etc.) with an appreciation of multithreading, concurrency etc. Understanding of Reactive Programming Techniques with Akka, Spring Webflux, RxJava Practical experience of MongoDB and AWS Industry experience within Financial Services, preferably within the Payments arena. If you are passionate about building real-time software and keen More ❯

concepts Excellent communication skills to articulate ideas, problems and solutions Motivation and determination to learn and grow Nice to have Experience withJava Swing Experience with React Experience of the Akka framework Experience with gRPC Experience with Financial Services FlexTrade Systems, Inc. is an equal opportunity employer and makes employment decisions without regard to race, color, religion, sex, sexual orientation, gender More ❯

Kanban/Scrum delivery environment and associated tools (e.g. Jira/Confluence ). Desirable Skills/Experience Previous experience with real-time messaging systems (incl. Kafka and JMS). AKKA or other reactive framework. Experience with Angular 9+ on front end. Automation environment provisioning using Ansible. DevOps experience gained within highly transactional software environments. Knowledge and/or experience of More ❯

world class and at the heart of making this mission a reality for our millions of users. The Typelevel Stack (Cats, Cats Effect, http4s, Circe), Kafka, SBT and occasionally Akka HTTP A world-class SRE team who champion our "you build it you run it" principle, empowering our developers to work with AWS, Kubernetes and Spinnaker A Quality Assistance programme More ❯

team building asynchronous, event-driven systems using modern Java technologies. Design and build scalable, high-availability systems processing millions of real-time transactions Work with Java 17+, Spring WebFlux, AKKA, Kafka, and more Write clean, testable code using TDD and BDD Contribute to architectural decisions in a fast-evolving codebase Collaborate within Agile teams (Kanban/Scrum) 🧠 What You Bring … pragmatic, performance-focused, and thrive on solving complex distributed systems problems. Strong hands-on experience with Java 11+ (ideally Java 17) Solid knowledge of Reactive Programming (e.g., Spring WebFlux, AKKA) Experience with event-driven architecture, real-time messaging systems (Kafka, JMS) Familiarity with asynchronous request handling, scalability, and system resilience Agile mindset, with TDD/BDD and CI/CD More ❯

team building asynchronous, event-driven systems using modern Java technologies. Design and build scalable, high-availability systems processing millions of real-time transactions Work with Java 17+, Spring WebFlux, AKKA, Kafka, and more Write clean, testable code using TDD and BDD Contribute to architectural decisions in a fast-evolving codebase Collaborate within Agile teams (Kanban/Scrum) 🧠 What You Bring … pragmatic, performance-focused, and thrive on solving complex distributed systems problems. Strong hands-on experience with Java 11+ (ideally Java 17) Solid knowledge of Reactive Programming (e.g., Spring WebFlux, AKKA) Experience with event-driven architecture, real-time messaging systems (Kafka, JMS) Familiarity with asynchronous request handling, scalability, and system resilience Agile mindset, with TDD/BDD and CI/CD More ❯

team building asynchronous, event-driven systems using modern Java technologies. Design and build scalable, high-availability systems processing millions of real-time transactions Work with Java 17+, Spring WebFlux, AKKA, Kafka, and more Write clean, testable code using TDD and BDD Contribute to architectural decisions in a fast-evolving codebase Collaborate within Agile teams (Kanban/Scrum) 🧠 What You Bring … pragmatic, performance-focused, and thrive on solving complex distributed systems problems. Strong hands-on experience with Java 11+ (ideally Java 17) Solid knowledge of Reactive Programming (e.g., Spring WebFlux, AKKA) Experience with event-driven architecture, real-time messaging systems (Kafka, JMS) Familiarity with asynchronous request handling, scalability, and system resilience Agile mindset, with TDD/BDD and CI/CD More ❯

team building asynchronous, event-driven systems using modern Java technologies. Design and build scalable, high-availability systems processing millions of real-time transactions Work with Java 17+, Spring WebFlux, AKKA, Kafka, and more Write clean, testable code using TDD and BDD Contribute to architectural decisions in a fast-evolving codebase Collaborate within Agile teams (Kanban/Scrum) 🧠 What You Bring … pragmatic, performance-focused, and thrive on solving complex distributed systems problems. Strong hands-on experience with Java 11+ (ideally Java 17) Solid knowledge of Reactive Programming (e.g., Spring WebFlux, AKKA) Experience with event-driven architecture, real-time messaging systems (Kafka, JMS) Familiarity with asynchronous request handling, scalability, and system resilience Agile mindset, with TDD/BDD and CI/CD More ❯

maths, statistics, engineering, physics or similar Desirable Requirements: NoSQL databases - Elasticsearch, MongoDB etc (bonus) Modern Data tools such as Spark/Beam (bonus) Streaming technologies such as Spark/Akka Streams (bonus) Tagged as: Industry , NLP , United Kingdom More ❯

advocates of functional programming so you can expect to join a team that is applying principles from FP, Reactive Programming and Distributed Computing to build these services, using Scala, Akka, Kafka, Play and Cats, as well a wide range of cloud-native technologies including AWS (Kinesis, DynamoDB, Lambda), Docker and Serverless. We have a mature DevOps culture in place, where … the team is responsible for the infrastructure and deployment of those applications - "You build it, you run it." What you will do: You will be using Scala, Akka, Kafka, Kinesis, and Dynamo to build and innovate our software that is distributed, reactive, and scalable. You will: Contribute to or lead a significant part of the implementation and deployment of services … We use AWS Knowledge of applying object-oriented and functional programming styles to real-world software engineering problems. Experience creating scalable and reactive web applications with modern frameworks like Akka/play etc Desirable Skills: Experience with (or a willingness to learn) the Lightbend Reactive Platform, but any JVM (Scala, Java, Clojure) or Functional Language (Haskel, Lisp, Scheme) background is More ❯

responsible for hands-on development of software applications, working at pace adhering to Kanban values to resolve high impact, challenging, engineering problems while continuously raising quality standards. Using Java, AKKA and Spring, our Engineers will contribute to all aspects of the architecture and design for this innovative solution. • Play a key role in product engineering, following TDD and BDD processes … engineering team. • Build reusable code and libraries for future use. • Optimise applications for maximum speed and scalability. • Previous experience with real-time messaging systems (incl. Kafka and JMS). • AKKA or other reactive framework. • Experience with Angular 9+ on front end. • DevOps experience gained within highly transactional software environments. • Knowledge and/or experience of Docker and Kubernetes. • Knowledge of More ❯

advocates of functional programming so you can expect to join a team that is applying principles from FP, Reactive Programming and Distributed Computing to build these services, using Scala, Akka, Kafka, Play and Cats, as well a wide range of cloud-native technologies including AWS (Kinesis, DynamoDB, Lambda), Docker and Serverless. We have a mature DevOps culture in place, where … the team is responsible for the infrastructure and deployment of those applications - "You build it, you run it." What you will do: You will be using Scala , Akka , Kafka , Kinesis , and Dynamo to build and innovate our software that is distributed, reactive, and scalable. You will: Lead a product engineering team, ultimately responsible for the delivery of that product Lead … experience with Scala Have experience in functional programming Have strong experience with public cloud technologies - We use AWS Experience creating scalable and reactive web applications with modern frameworks like Akka/play etc Have data systems experience with relational or NoSQL DBs preferably at scale. Have experience building highly available, mission-critical, high traffic systems. Event-driven systems, data streaming More ❯