that is clean, well-tested, well-reviewed, performant, and secure then you'll fit in around here. Tech Stack: Micro-services Container Platforms (OpenShift, Kubernetes, CRC, Docker) NoSQL DBs (Cassandra, MongoDB, HBase, Zookeeper, ArangoDB) Serialization libraries (Thrift, Protocol Buffers) Large scale data processing (Hadoop, Kafka) Dependency injection frameworks (Guice, Spring) Text search engines (Lucene, ElasticSearch) Splunk/Elastic CI … systems 3rd generation messaging systems Backends for mobile messaging systems SIP or XMPP Soft real-time systems Experience doing performance tuning Big Data technologies, such as Hadoop, Kafka, and Cassandra, to build applications that contain petabytes of data and process millions of transactions per day Cloud computing, virtualization and containerization Continuous integration systems Deployment technology such as Ansible Parsing More ❯
Leeds, England, United Kingdom Hybrid / WFH Options
TipTopJob
based on an Umbrella solution. The interview process is 2 stages, including a technical test. Essential skills/experience required: Development languages - Java Database management SQL PostgreSQL MySQL MongoDB Cassandra SQL tuning Kernel tuning Explain plans Patching and upgrade Meet Recovery Point Objectives Meet Recovery Time Objectives L2/L3 Database Build Partitions Version control - Git Cloud environment - Develop More ❯
communication, collaboration, and technical documentation skills. Preferred Qualifications: • Exposure to mobile application development lifecycle, backend-for-frontend (BFF) patterns, and mobile performance optimization. • Experience with NoSQL databases (e.g., MongoDB, Cassandra). • Familiarity with cloud platforms (AWS, GCP, Azure) and container orchestration (Kubernetes). • Knowledge of event-driven or reactive architectures, messaging systems (Kafka, RabbitMQ), or domain-driven design (DDD More ❯
communication, collaboration, and technical documentation skills. Preferred Qualifications: • Exposure to mobile application development lifecycle, backend-for-frontend (BFF) patterns, and mobile performance optimization. • Experience with NoSQL databases (e.g., MongoDB, Cassandra). • Familiarity with cloud platforms (AWS, GCP, Azure) and container orchestration (Kubernetes). • Knowledge of event-driven or reactive architectures, messaging systems (Kafka, RabbitMQ), or domain-driven design (DDD More ❯
communication, collaboration, and technical documentation skills. Preferred Qualifications: • Exposure to mobile application development lifecycle, backend-for-frontend (BFF) patterns, and mobile performance optimization. • Experience with NoSQL databases (e.g., MongoDB, Cassandra). • Familiarity with cloud platforms (AWS, GCP, Azure) and container orchestration (Kubernetes). • Knowledge of event-driven or reactive architectures, messaging systems (Kafka, RabbitMQ), or domain-driven design (DDD More ❯
designing and implementing RESTful APIs and GraphQL services with a focus on security, performance, and usability. Database Management : Proficiency with both relational databases (Oracle, PostgreSQL) and NoSQL solutions (MongoDB, Cassandra), including optimisation of data access patterns. Performance Engineering : Ability to design, implement, and optimise high-throughput, low-latency integration solutions in mission-critical environments. Problem-Solving Skills : Exceptional analytical More ❯
systems to support real-time decision-making in the FX market. Building such systems is highly challenging and provides opportunities to work with modern technologies like NoSQL databases, Kafka, Apache Flink, and more. It offers significant opportunities for growth, leadership, and innovation, as well as direct interaction with clients and business teams to deliver impactful solutions in the FX … Java (JDK 21 and above) and multithreading concepts. Proficiency in designing and implementing efficient data structures and algorithms. Experience with SQL/NoSQL databases (e.g., Oracle, MySQL, Postgres, MongoDB, Cassandra). Familiarity with messaging systems (e.g., Kafka, Tibco, Solace). Solid understanding of Linux/JVM internals and performance tuning. Expertise in modern software development practices, including TDD, Agile More ❯
to communicate with their customers on messaging platforms they are familiar with while meeting their regulatory requirements. Tech stack: Micro-services Container Platforms (OpenShift, Kubernetes, CRC, Docker) NoSQL DBs (Cassandra, Zookeeper, MongoDB) Large scale data processing (Kafka) Dependency injection frameworks (Spring) Spunk/Grafana CI/CD Build tools: Maven, Git, Jenkins Your job: Design, implement and provide architectural More ❯
languages like Scala, Python and Golang will be a plus " Ability to read/write code and expertise with various design patterns " Have used NoSQL database such as MongoDB, Cassandra, etc. " Work on opportunities along with sales, practice, delivery teams through the pre-sales process " Develop customer proposals - solution architecture, pitch decks, estimating solution effort, resourcing and timelines " Translate More ❯
London, England, United Kingdom Hybrid / WFH Options
Global Relay
to communicate with their customers on messaging platforms they are familiar with while meeting their regulatory requirements. Tech stack: Micro-services Container Platforms (OpenShift, Kubernetes, CRC, Docker) NoSQL DBs (Cassandra, Zookeeper, MongoDB) Large scale data processing (Kafka) Dependency injection frameworks (Spring) Spunk/Grafana CI/CD Build tools: Maven, Git, Jenkins Your job: Design, implement and provide architectural More ❯
London, England, United Kingdom Hybrid / WFH Options
Global Relay
and refinement Monitor and support operation of production systems Participate in knowledge sharing activities with colleagues The Tech Stack: Micro-services Container Platforms (OpenShift, Kubernetes, CRC, Docker) NoSQL DBs (Cassandra, Zookeeper, MongoDB) Large scale data processing (Kafka) Dependency injection frameworks (Spring) Spunk/Grafana CI/CD Build tools: Maven, Git, Jenkins About You: Minimum 5 years of Java More ❯
Data Storage & Databases: SQL & NoSQL Databases: Experience with databases like PostgreSQL, MySQL, MongoDB, and Cassandra. Big Data Ecosystems: Hadoop, Spark, Hive, and HBase. Data Integration & ETL: Data Pipelining Tools: Apache NiFi, Apache Kafka, and Apache Flink. ETL Tools: AWS Glue, Azure Data Factory, Talend, and Apache Airflow. AI & Machine Learning: Frameworks: TensorFlow, PyTorch, Scikit-learn, Keras More ❯
Our team is building the next generation Sports Betting platform that optimizes flexibility, performance, responsiveness and resiliency. The technologies we like to use include Java, SpringBoot, Kafka, Cassandra, Postgres, Kubernetes, AWS, Postgres, etc. We are looking for an experienced Java Developer to work directly with the business. Working within an agile team, you will deliver high-quality, customer-focused … development, CI/CD, and monitoring tools Foundation in Java and the Java ecosystem is essential; familiarity with SpringBoot, Kafka (or other messaging platforms), Postgres (or other SQL databases), Cassandra (or other NoSQL databases), Docker, GitLab, and GitLab CI is desirable Knowledge of monitoring, logging, and cloud platforms like New Relic, Splunk, AWS Lambdas, Kubernetes, ISTIO, Terraform, and OpenAPI More ❯
programming languages like Scala, Python, and Golang is a plus. Ability to read/write code and expertise with various design patterns. Experience with NoSQL databases such as MongoDB, Cassandra, etc. Responsibilities include working on opportunities with sales, practice, and delivery teams through the pre-sales process, developing customer proposals, translating requirements into architecture diagrams and roadmaps, understanding business More ❯
languages like Scala, Python and Golang will be a plus Ability to read/write code and expertise with various design patterns Have used NoSQL database such as MongoDB, Cassandra, etc. Work on opportunities along with sales, practice, delivery teams through the pre-sales process Develop customer proposals ?" solution architecture, pitch decks, estimating solution effort, resourcing and timelines Translate More ❯
languages like Scala, Python and Golang will be a plus Ability to read/write code and expertise with various design patterns Have used NoSQL database such as MongoDB, Cassandra, etc. Work on opportunities along with sales, practice, delivery teams through the pre-sales process Develop customer proposals ?" solution architecture, pitch decks, estimating solution effort, resourcing and timelines Translate More ❯
languages like Scala, Python and Golang will be a plus Ability to read/write code and expertise with various design patterns Have used NoSQL databases such as MongoDB, Cassandra, etc. Responsibilities include: Work on opportunities along with sales, practice, delivery teams through the pre-sales process Develop customer proposals - solution architecture, pitch decks, estimating solution effort, resourcing and More ❯
with DevOps practices (CI/CD). Familiarity with containerization (Docker, Kubernetes), RESTful APIs, microservices architecture, and big data technologies (Hadoop, Spark, Flink). Knowledge of NoSQL databases (MongoDB, Cassandra, DynamoDB), message queueing systems (Kafka, RabbitMQ), and version control systems (Git). Preferred Skills: Experience with natural language processing libraries such as NLTK, spaCy, or Hugging Face Transformers. Familiarity More ❯
Bromsgrove, Worcestershire, United Kingdom Hybrid / WFH Options
Talk Recruitment
product development lifecycle. Stress-testing, performance-tuning, and optimization skills. Debugging in multi-threaded environments. Eligible to work in the UK. Desirable Skills: Technologies such as Zookeeper, Terraform, Ansible, Cassandra, RabbitMQ, Kafka, Spark, Redis, MongoDB, CosmoDB, Xsolla Backend(AcceleratXR), Pragma, Playfab, Epic Online Services, Unity Game Services, Firebase, Edgegap, Photon Game engine experience with Unreal or Unity Web application More ❯
Bromsgrove, Worcestershire, United Kingdom Hybrid / WFH Options
Talk Recruitment
product development lifecycle. Stress-testing, performance-tuning, and optimization skills. Debugging in multi-threaded environments. Eligible to work in the UK. Desirable Skills: Technologies such as Zookeeper, Terraform, Ansible, Cassandra, RabbitMQ, Kafka, Spark, Redis, MongoDB, CosmoDB, Xsolla Backend(AcceleratXR), Pragma, Playfab, Epic Online Services, Unity Game Services, Firebase, Edgegap, Photon Game engine experience with Unreal or Unity Web application More ❯
is a plus, especially within multi-disciplinary teams Deep knowledge of database technologies: Distributed systems (e.g., Spark, Hadoop, EMR) RDBMS (e.g., SQL Server, Oracle, PostgreSQL, MySQL) NoSQL (e.g., MongoDB, Cassandra, DynamoDB, Neo4j) Solid understanding of software engineering best practices – code reviews, testing frameworks, CI/CD, and code maintainability Experience deploying applications into production environments, including packaging, monitoring, and More ❯
Stack, and Kubernetes. Full-stack development experience with front-end technologies like HTML and Vue.js. Proficiency in scalable database design (SQL, NoSQL, Graph databases) such as SQL Server, MongoDB, Cassandra, Redis, and Apache Druid. Experience with REST APIs, GraphQL, and gRPC. Hands-on experience with version control (GitHub/GitLab) and testing frameworks like SonarQube, xUnit, Postman, Cucumber More ❯
London, England, United Kingdom Hybrid / WFH Options
Simple Machines
Scala, or functional programming generally. Exposure with highly concurrent, asynchronous backend technologies, such as Ktor, http4k, http4s, Play, RxJava, etc. Exposure with DynamoDB or similar NoSQL databases, such as Cassandra, HBase, BigTable, or Cosmos DB. Exposure with Git workflows, and the ability to tailor the workflow to project needs. Exposure with containerised application deployment using Docker, Amazon ECS, Kubernetes More ❯
