1 to 25 of 40 Akka Jobs in London

Senior Java Software Engineer - Java 11+, Spring, Spring Boot, Microservices, Kafka, Akka, Docker/Kubernetes, Real-time, TDD/BDD, Payments - London A Senior Java Engineer with a background in finance/payments and experience working on distributed real-time systems is sought after by a global Fintech. This organisation specialises in providing high performance technology solutions to global financial … in hands-on Java engineering, currently working with Java 11+ Indepth knowledge of microservices architecture and usage of Spring/Spring Boot Experience developing distributed, real-time applications (with Akka AND/OR Kafka) with an appreciation of topics such as Concurrency and multithreading. Experience of Reactive Programming Techniques in conjunction withasynchronous event processing and data streams, with tools such … as Spring Webflux, RxJava, Akka etc. Any experience with frontend Angular development or AWS cloud is highly beneficial. Industry experience within Financial Services, preferably within the Payments arena If you are passionate about building real-time software and keen to join a growing fintech, please do apply! Please note this role will require 2 days in office per week in More ❯

R&D, harnessing the power of connected data to drive digital transformation and innovation for a smarter, more sustainable future. As part of the AdeccoGroup, Akkodis combinesthe expertise of AKKA and Modis, with over 50,000 engineers and digital specialists across 30 countries in North America, EMEA, and APAC. Our teams bring extensive cross-sector knowledge in critical technology areas More ❯

R&D, harnessing the power of connected data to drive digital transformation and innovation for a smarter, more sustainable future. As part of the AdeccoGroup, Akkodis combinesthe expertise of AKKA and Modis, with over 50,000 engineers and digital specialists across 30 countries in North America, EMEA, and APAC. Our teams bring extensive cross-sector knowledge in critical technology areas 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 ❯

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 ❯

and well-documented code Participate in code reviews and pair programming Contribute to architecture and design discussions Optimise system performance, scalability, and reliability Tech Stack: Scala (Cats, ZIO or Akka) Play Framework or HTTP4s Kafka/Pulsar for data streaming PostgreSQL, Cassandra or similar Docker, Kubernetes, AWS/GCP CI/CD with GitHub Actions or Jenkins About You: Strong … DevOps environment (CI/CD, containers, cloud) Passion for clean code, performance, and software craftsmanship Excellent communication and teamwork skills Nice to Have: Knowledge of ZIO, Typelevel stack or Akka Experience with real-time systems or data pipelines Exposure to domain-driven design (DDD) Contributions to open-source projects Why Join? Work with a team that values clean code and 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 ❯

and well-documented code Participate in code reviews and pair programming Contribute to architecture and design discussions Optimise system performance, scalability, and reliability Tech Stack: Scala (Cats, ZIO or Akka) Play Framework or HTTP4s Kafka/Pulsar for data streaming PostgreSQL, Cassandra or similar Docker, Kubernetes, AWS/GCP CI/CD with GitHub Actions or Jenkins About You: Strong … DevOps environment (CI/CD, containers, cloud) Passion for clean code, performance, and software craftsmanship Excellent communication and teamwork skills Nice to Have: Knowledge of ZIO, Typelevel stack or Akka Experience with real-time systems or data pipelines Exposure to domain-driven design (DDD) Contributions to open-source projects Why Join? Work with a team that values clean code and 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 ❯

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 ❯

with cutting edge technologies. What you'll do: Real time data processing and RESTful microservices in Scala (Typelevel stack, Kafka, Cassandra, Kubernetes, GCP, AWS). Good working knowledge of Akka HTTP and Akka Streams is required to support existing services. Looking into how our personalisation services can evolve with machine learning. Having the freedom to self-organise as part of More ❯

AWS * Network * Docker * Test-driven development (Junit & Mockito or other similar testing libraries) * CI/CD * Comfortable working in agile teams and collaborating with colleagues from other disciplines. Desirable: * AKKA * Play framework" 'This role requires additional vetting, which means this could take longer than our normal onboarding process. You will require additional vetting for this position, which means the process More ❯

Senior Scala Engineer – Scala/Akka/Kafka/AWS/Sports Data London (Hybrid 4 days office/1 day WFH) The company An independent sports‐data company that’s been leading the field for over a decade . Privately owned, highly profitable and still run with a start‐up mindset, they process real‐time data for broadcasters, bookmakers … to rebuild the core platform powering multiple sports (football, F1, cricket, tennis and more). What you will get • Green‐field development on a modern cloud stack (Scala 3, Akka, Kafka Streams, Kubernetes, AWS). • Clear progression path, regular salary reviews and twice‐yearly bonus. • 33 days paid leave, private medical, L&D budget and hardware of your choice. • Hybrid … Scala services that ingest live sports feeds in milliseconds. • Break a legacy monolith into event‐driven micro‐services on AWS/Kubernetes. • Optimise data pipelines for scale and reliability (Akka Streams, Kafka). • Collaborate with data‐science and product squads to ship new betting & broadcast features. • Champion best‐practice: TDD/CI, observability, DevOps automation. What you will need • 3+ More ❯

Scala services that ingest live sports feeds in milliseconds. • Break a legacy monolith into event‐driven micro‐services on AWS/Kubernetes. • Optimise data pipelines for scale and reliability (Akka Streams, Kafka). • Collaborate with data‐science and product squads to ship new betting & broadcast features. What you will need • 3+ years of professional Scala development • Solid grasp of functional More ❯

data, both at the database level and interactions between services. Our core tech stack Software development languages: Scala, Typescript (Node.js). Storage: PostgreSQL, Mongo DB, Clickhouse. Backend Frameworks: Spring, Akka HTTP. Frontend Frameworks: React, ElectronJs. Interservice communication: RabbitMQ. Architecture: Service-Oriented Architecture (SOA). Infrastructure: AWS, Terraform, Ansible, Docker, Mesos/Marathon container orchestration, Consul, Nginx, GoCD by ThoughtWorks CI More ❯

Senior Scala Engineer – Scala/Akka/Kafka/AWS/Sports Data London (Hybrid 4 days office/1 day WFH) The company An independent sports‐data company that’s been leading the field for over a decade . Privately owned, highly profitable and still run with a start‐up mindset, they process real‐time data for broadcasters, bookmakers … to rebuild the core platform powering multiple sports (football, F1, cricket, tennis and more). What you will get • Green‐field development on a modern cloud stack (Scala 3, Akka, Kafka Streams, Kubernetes, AWS). • Clear progression path, regular salary reviews and twice‐yearly bonus. • 33 days paid leave, private medical, L&D budget and hardware of your choice. • Hybrid … Scala services that ingest live sports feeds in milliseconds. • Break a legacy monolith into event‐driven micro‐services on AWS/Kubernetes. • Optimise data pipelines for scale and reliability (Akka Streams, Kafka). • Collaborate with data‐science and product squads to ship new betting & broadcast features. • Champion best‐practice: TDD/CI, observability, DevOps automation. What you will need • 3+ More ❯

Senior Scala Engineer – Scala/Akka/Kafka/AWS/Sports Data London (Hybrid 4 days office/1 day WFH) The company An independent sports‐data company that’s been leading the field for over a decade . Privately owned, highly profitable and still run with a start‐up mindset, they process real‐time data for broadcasters, bookmakers … to rebuild the core platform powering multiple sports (football, F1, cricket, tennis and more). What you will get • Green‐field development on a modern cloud stack (Scala 3, Akka, Kafka Streams, Kubernetes, AWS). • Clear progression path, regular salary reviews and twice‐yearly bonus. • 33 days paid leave, private medical, L&D budget and hardware of your choice. • Hybrid … Scala services that ingest live sports feeds in milliseconds. • Break a legacy monolith into event‐driven micro‐services on AWS/Kubernetes. • Optimise data pipelines for scale and reliability (Akka Streams, Kafka). • Collaborate with data‐science and product squads to ship new betting & broadcast features. • Champion best‐practice: TDD/CI, observability, DevOps automation. What you will need • 3+ More ❯

a cross-functional squad, collaborating with backend and frontend engineers, product managers, designers, and analytics teams to achieve shared objectives. Our team utilizes a modern Scala stack, including Play, Akka, http4s, Cats, Cats Effect, and Kafka. Deployment is managed with Docker and Kubernetes. Responsibilities Collaborate closely with Product Managers, Designers, Front-End, and Backend Engineers to understand problems and contribute More ❯

Senior Scala Engineer – Scala/Akka/Kafka/AWS/Sports Data London (Hybrid 4 days office/1 day WFH) The company An independent sports‐data company that’s been leading the field for over a decade . Privately owned, highly profitable and still run with a start‐up mindset, they process real‐time data for broadcasters, bookmakers … to rebuild the core platform powering multiple sports (football, F1, cricket, tennis and more). What you will get • Green‐field development on a modern cloud stack (Scala 3, Akka, Kafka Streams, Kubernetes, AWS). • Clear progression path, regular salary reviews and twice‐yearly bonus. • 33 days paid leave, private medical, L&D budget and hardware of your choice. • Hybrid … Scala services that ingest live sports feeds in milliseconds. • Break a legacy monolith into event‐driven micro‐services on AWS/Kubernetes. • Optimise data pipelines for scale and reliability (Akka Streams, Kafka). • Collaborate with data‐science and product squads to ship new betting & broadcast features. • Champion best‐practice: TDD/CI, observability, DevOps automation. What you will need • 3+ More ❯

the end users Knowledge of the Trading business domain Knowledge or application of the Scaled Agile Framework (SAFe) Experience of GraphQL and subscription based streaming Actor frameworks like DAPR, AKKA, Orleans #J-18808-Ljbffr More ❯

the end users Knowledge of the Trading business domain Knowledge or application of the Scaled Agile Framework (SAFe) Experience of GraphQL and subscription based streaming Actor frameworks like DAPR, AKKA, Orleans Job Band & Level: #LI-Hybrid #LI-MID Not The Perfect Fit? Concerned that you may not meet the criteria precisely? At TP ICAP, we wholeheartedly believe in fostering inclusivity More ❯