graph queries. Skills Requirements: • Expert with Java and Spring Boot; proficient using them to build enterprise scale applications. • Experience building real-time data processing applications using streaming libraries like Kafka Streams. • Understanding of common Enterprise Integration Patterns (EIP) and how to apply them. • Experience with service containerization and deployment using Docker and/or Kubernetes. • Experience with Extract, Transform … Familiarity with Git and GitLab CI/CD. Nice to Haves: • Experience with graph databases such as Neo4j. • Experience building real-time data processing applications using streaming libraries like Kafka Streams. • Experience modeling data and relationships in graph databases. • Experience with networking concepts, protocols, and analysis (routers, switches, etc.). • Knowledge of SIGINT collection and analysis systems. Benefits Overview More ❯
stack runs in AWS/C2S. Experience with one or more of the following is desired, but not required: Kubernetes, Docker Swarm, ELK stack, Python, Shell Scripting, Java, Spring, Kafka, Pega, Nexus, Nifi, Ansible, Terraform. More ❯
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 More ❯
Preferred Spring Boot experience, or development with a similar Java framework Experience with automated build tools, continuous integration, and continuous deployment Experience with containerization and orchestration technologies (e.g., Kubernetes) Kafka experience More ❯
give back to the open source community. Work as part of a distributed team of remote workers across timezones. What You'll Use: Go (Golang) Python AWS Postgres ElasticSearch Kafka Kubernetes Many external and internal APIs What You'll Need : Degree in Computer Science (or commensurate experience). Experience with Golang or another language for developing web backends and … web-services with data processing pipelines and the concepts required. Experience with relational and noSQL databases ( Redis , Postgres , Cassandra , ElasticSearch a plus). Understanding of messaging or queueing software, Kafka experience helpful but not required. Linux skills and experience with large-scale, business-critical Linux environments. Understanding of distributed systems and scalability challenges, particularly in Cloud environments such as … architecture. Bonus Points: Authored and led successful open source libraries and projects. Contributions to the open source community (GitHub, Stack Overflow, blogging). Existing exposure to Go, AWS, Cassandra, Kafka, Elasticsearch Prior experience in the cybersecurity or intelligence fields. Bring your experience in distributed technologies and algorithms, your great API and systems design sensibilities, and your passion for writing More ❯
AWS, Terraform, Linux, Python, Core AWS Services, Networking, Cloudflare, Packer Reliability: Docker, Node.js, Prometheus, Grafana, OpenTelemetry, Dynatrace, SRE Platform Experience: Kubernetes, Helm, CICD, GitLab, Docker, Node.js Cloud Database: MongoDB, Kafka, RDS, Data Loss Prevention tools Everyone is welcome. We foster a culture of creativity. We approach our work passionately, improve constantly, and celebrate our wins at every turn. We … to life. We foster a culture of innovation and collaboration. With over 300 tech experts, we thrive on using the latest tools and technologies, such as Docker, Kubernetes, AWS, Kafka, Java, Scala, Python, .Net Core, Node.js, and MongoDB, to create a dynamic and inclusive work environment. There's something for everyone. We're a place of opportunity. You'll More ❯
backend systems and APIs Deploy and manage cloud-based infrastructure on Azure Design and maintain robust containerized applications with Docker and Kubernetes Implement and manage event-driven architectures using Kafka or similar technologies Work with a variety of database technologies, including Redis, Elasticsearch, Neo4j, and PostgreSQL Develop experience with product ownership in terms of UI/UX Skills and … related field Proven industry experience with Kubernetes and Docker Hands-on experience managing infrastructure in AWS, Azure, or GCP Strong understanding of event streaming and messaging queues such as Kafka Expertise in database systems including Redis, Elasticsearch, Neo4j, and PostgreSQL Proficiency in developing APIs using a backend framework (such as Django, FastAPI, Flask, or Express) Commercial experience in front More ❯
applications Working on distributed systems and microservices Collaborating across tech and business teams Supporting cloud-based and DevOps-first deployments Tech you'll be using: C#/.NET Core Kafka/RabbitMQ (or similar messaging frameworks) SQL Server Azure or AWS CI/CD tools (Azure DevOps, TeamCity) Docker/Kubernetes (nice to have) What we’re looking for More ❯
applications Working on distributed systems and microservices Collaborating across tech and business teams Supporting cloud-based and DevOps-first deployments Tech you'll be using: C#/.NET Core Kafka/RabbitMQ (or similar messaging frameworks) SQL Server Azure or AWS CI/CD tools (Azure DevOps, TeamCity) Docker/Kubernetes (nice to have) What we’re looking for More ❯
applications Working on distributed systems and microservices Collaborating across tech and business teams Supporting cloud-based and DevOps-first deployments Tech you'll be using: C#/.NET Core Kafka/RabbitMQ (or similar messaging frameworks) SQL Server Azure or AWS CI/CD tools (Azure DevOps, TeamCity) Docker/Kubernetes (nice to have) What we’re looking for More ❯
growing business. Requirements: Strong experience with Python (2+ Years) Experience working with REST Microservices Strong SQL Experience working with very large data sets. Knowledge of big data tools (Spark, Kafka etc) Experience working in finance (Preferred) Strong formal education - ideally in Computer Science If this sounds of interest, then please do not hesitate to apply ASAP! Interviews taking place More ❯
production, with the freedom to use opensource technologies to make sending, trading and accessing assets in real-time achievable. Requirements: 6+ years in any JVM language (ideally Core Java) Kafka Streaming Kubernetes Cloud (AWS) TDD, Pair Programming, Agile Engineering STEM degree Worked in a Start Up/Scale Up Environment Strong Architectural Influence Please note, no sponsorship provided at More ❯
production, with the freedom to use opensource technologies to make sending, trading and accessing assets in real-time achievable. Requirements: 6+ years in any JVM language (ideally Core Java) Kafka Streaming Kubernetes Cloud (AWS) TDD, Pair Programming, Agile Engineering STEM degree Worked in a Start Up/Scale Up Environment Strong Architectural Influence Please note, no sponsorship provided at More ❯
joining a small team to build a new multi-asset portfolio management system. The stack is React, TypeScript, Redux, Ag-Grid, GraphQL and Playwright. This all sits on Golang, Kafka, Java and AWS, which the other developers will be building. Although, any Back End experience would be advantageous. You need experience building trading systems but it does not matter More ❯
joining a small team to build a new multi-asset portfolio management system. The stack is React, TypeScript, Redux, Ag-Grid, GraphQL and Playwright. This all sits on Golang, Kafka, Java and AWS, which the other developers will be building. Although, any Back End experience would be advantageous. You need experience building trading systems but it does not matter More ❯
hands-on role in a product-centric team where your work has clear real-world impact. Responsibilities Writing clean, high-quality, high-performance, maintainable code in Java/Kotlin, Kafka and Kubernetes Architect, build, and maintain backend services in a microservices environment Collaborate with DevOps on CI/CD and cloud-native deployments Support test and deployment of new More ❯
experience with Generative AI integration Programming experience in Go (Golang) , Java , Kotlin , JavaScript/Node.js , or Python Strong hands-on experience with Kubernetes (K8s) and OpenShift Experience with MongoDB , Kafka , Prometheus , OpenTelemetry , Grafana Familiarity with tools like Helm , Kustomize , Terraform , and Vault Proven experience with hybrid cloud environments (on-prem + public cloud) Ability to explain complex ideas clearly More ❯
above, Spring, Sprint Reactive, SpringBoot, RESTful services * Angular 10+ front-end experience * Expertise with Test Automation Tools and Frameworks e.g. Karate, Cypress, Mockito * Exposure to messaging technology such as Kafka would be nice * Kubernetes/EKS/AWS deployment and operations management exposure a plus * Oracle, JPA, and GraphQL experience would be great * Financial domain knowledge an advantage with More ❯
8+ (Laravel/Symfony) Proficiency in JavaScript/TypeScript, NestJS and ReactJS Experience building platforms using event-based architecture and CQRS Familiarity with AWS Services such as Aurora, MSK Kafka, ECS, and EMR Experience writing automated unit and integration tests Excellent practical experience with Docker Strong understanding of SOLID principles and design patterns Hands-on experience with one or More ❯
8+ (Laravel/Symfony) Proficiency in JavaScript/TypeScript, NestJS and ReactJS Experience building platforms using event-based architecture and CQRS Familiarity with AWS Services such as Aurora, MSK Kafka, ECS, and EMR Experience writing automated unit and integration tests Excellent practical experience with Docker Strong understanding of SOLID principles and design patterns Hands-on experience with one or More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Arrows
re not just guiding but also rolling up your sleeves alongside the team. 🔧 Tech Stack & Practices You should bring solid hands-on experience with: Java, Spring, Kubernetes, Docker, Postgres, Kafka CI/CD pipelines with fully automated deployments and testing TDD, BDD, and modern coding standards Microservices architecture – understanding both its power and its trade-offs Scaling, reliability, observability More ❯
re not just guiding but also rolling up your sleeves alongside the team. 🔧 Tech Stack & Practices You should bring solid hands-on experience with: Java, Spring, Kubernetes, Docker, Postgres, Kafka CI/CD pipelines with fully automated deployments and testing TDD, BDD, and modern coding standards Microservices architecture – understanding both its power and its trade-offs Scaling, reliability, observability More ❯
Oxford, England, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
with containerization (Docker, Kubernetes) and CI/CD pipelines. Excellent communication skills and a passion for mentoring and team leadership. Nice to Have Experience with data engineering tools (Airflow, Kafka, Spark). Knowledge of MLOps practices and tools (MLflow, Kubeflow). Contributions to open-source projects or AI research. Why Join? Work on impactful AI products used by global More ❯
instincts and attention to detail Strong communicator who works well across technical teams Bonus Points If You Have: Familiarity with Docker/Kubernetes Experience with other messaging platforms like Kafka, RabbitMQ, or MQ Exposure to DevOps pipelines and CI/CD tools Experience deploying in AWS, Azure, or GCP More ❯
