City of London, London, England, United Kingdom Hybrid / WFH Options
Lorien
teams to deliver scalable solutions Mentoring junior engineers and contributing to a strong engineering culture Working with a modern, cloud-native stack Tech Stack Languages: JavaScript, Node.js Databases: SQL, PostgreSQL, BigQuery Cloud: AWS (Lambda, S3, Kinesis, RDS, Step Functions, AppFlow) DevOps: Serverless, Heroku, GitHub, CircleCI Monitoring: Graphite, Grafana, Splunk Bonus: Experience in marketing tech or AI What We're Looking More ❯
shape engineering best practices as we scale. Their Tech Stack: Backend: TypeScript (Node.js), Ruby on Rails Frontend: TypeScript, React, Hotwire (Turbo/Stimulus) Infrastructure: AWS (Lambda, Fargate, Aurora, CloudFormation), PostgreSQL, Redis DevOps & Tooling: Serverless Framework, GitHub Actions, Terraform, Sidekiq Our client is looking to fill this role URGENTLY and will interview this week for the right candidate! If you're More ❯
in system design, software architecture, and data modelling , Deep experience working in complex domains - such as financial systems, logistics, or workflow-heavy platforms , Hands-on experience with relational databases (PostgreSQL preferred) , Comfortable working in an event-driven, modular monolith environment , Experience with refactoring legacy systems and shaping technical direction , (Desirable) Familiarity with DDD, CQRS, BDD, or similar techniques , (Desirable) Background More ❯
Proficiency in the Python programming language and understanding of common programming paradigms. Experience creating, maintaining and implementing extensions of RESTful APIs. Hands-on experience working with relational databases like PostgreSQL, and relevant tooling such as SQLAlchemy. In-depth knowledge of data structures and algorithms for efficient problem-solving. Experience with version control systems like Git and familiarity with branching strategies More ❯
Skills 15+ years of programming experience with at least one modern language such as Java, C++, or C#, including object-oriented design, distributed systems, algorithms, and relational databases like PostGres, Oracle, along with experience in distributed cache and messaging systems. Extensive experience designing and building low-level APIs for high-volume, latency-sensitive applications, with knowledge of multi-threading, data More ❯
Tools like Tableau Big data – Hadoop eco-system, Distributions like Cloudera/Hortonworks, Pig and HIVE Data processing frameworks – Spark & Spark streaming Hands-on experience with multiple databases like PostgreSQL, Snowflake, Oracle, MS SQL Server, NOSQL (HBase/Cassandra, MongoDB) Experience in cloud data eco-system - AWS, Azure or GCP in the data engineering space with at least few complex More ❯
Tools like Tableau Big data – Hadoop eco-system, Distributions like Cloudera/Hortonworks, Pig and HIVE Data processing frameworks – Spark & Spark streaming Hands-on experience with multiple databases like PostgreSQL, Snowflake, Oracle, MS SQL Server, NOSQL (HBase/Cassandra, MongoDB) Experience in cloud data eco-system - AWS, Azure or GCP in the data engineering space with at least few complex More ❯
significantly scaling large data systems Technologies we use (experience not required): AWS serverless architectures Kubernetes Spark Flink Databricks Parquet. Iceberg, Delta lake, Paimon Terraform Github including Github Actions Java PostgreSQL About Chainalysis Blockchain technology is powering a growing wave of innovation. Businesses and governments around the world are using blockchains to make banking more efficient, connect with their customers, and More ❯
knowledge of the flask framework and building REST APIs Strong communication skills with a focus on translating abstract issues into clear and simple solutions. Experience with database systems - preferably PostgreSQL and Redis. Familiarity with CI/CD pipelines and tools like GitHub actions with cloud platforms like AWS and Heroku. You'll feel right at home if you're Helpful More ❯
like GitHub Actions. Strong understanding of backend development with languages such as PHP, Node.js, Python, Dart, Go, or Ruby. Hands-on experience with relational databases such as MySQL and PostgreSQL, as well as message brokers like RabbitMQ and caching solutions like Redis. Deep understanding of web protocols (HTTP, TCP, UDP) and modern architectural patterns. A passion for open-source, developer More ❯
applications using frameworks such as FastAPI. A familiarity with Frontend technologies such Typescript or React Knowledge of at least one IaC tool (Terraform/CDK, CloudFormation). Experience with PostgreSQL, MySQL or other similar relational database technologies. Knowledge of modern CI/CD pipelines (GitLab, GitHub or equivalent). Strong understanding of system architecture and design. Experience collaborating with Product More ❯
end, from conception to production monitoring Collaborate directly with product, design and data experts to shape solutions Your toolkit: You'll work with Kotlin, Kafka, Kubernetes, Docker, AWS Aurora Postgres, and other modern technologies. If you haven't worked with all of these, we value skilled engineers with a willingness to learn. A product-focused engineering mindset Experience building distributed More ❯
of HTTP and REST as an architectural style to build APIs. Fluent with asynchronous programming techniques and frameworks (in Java). Fluent in SQL and experience with RDBMS like Postgres and Oracle. Experience with Docker and docker-compose. Exposure to AWS specifically S3 , Aurora, ElasticCache Exposure to modern CI/CD platforms like Gitlab (or similar GitHub Actions, CircleCI) Understands More ❯
existing CI/CD pipelines. Implement and optimize automation processes using infrastructure-as-code (Terraform) Build and maintain data pipelines using Airflow. Manage our tech stack including Python, Node.js, PostgreSQL, MongoDB, Kafka, and Apache Iceberg. Optimize infrastructure costs and develop strategies for efficient resource utilization. Provide critical support by monitoring services and resolving production issues. Contribute to the development of More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Holland & Barrett International Limited
team building at our offices in London or Nuneaton . Key Responsibilities: Design, implement, and maintain scalable backend services using Java and Spring. Work with databases, including SQL (e.g., Postgres) and NoSQL (e.g., DynamoDB). Build, test, and optimize technical solutions. Develop event-driven systems leveraging Kafka for messaging. Work closely with cross-functional teams, including frontend engineers, UX, and More ❯
the job development will enable you to plug any knowledge gaps. o Software development in web technologies and object oriented programming o Database technologies such as Oracle SQL, Mongo, Postgres o Know your way around Linux and Windows command lines, e.g. Bash and PowerShell o Monitoring large systems using technologies such as Grafana, Prometheus, ELK, Splunk o Experience of working More ❯
a diverse technology stack Ideally, you would also have: Understanding of working on embedded/resource constrained devices Experience with Docker and Kubernetes Experience with SQL databases such as PostgreSQL Experience of machine learning applications Note: We want Arondite to bring together individuals from diverse backgrounds and perspectives. We don't expect everyone to have experience across each of these More ❯
looking for components to adopt in order to enhance our platform. What you'll do: Develop across our evolving technology stack - we're using Python, Java, Kubernetes, Apache Spark, Postgres, ArgoCD, Argo Workflow, Seldon, MLFlow and more. We are migrating into AWS cloud and adopting many services that are available in that environment. You will have the opportunity to learn More ❯
pipelines for data workflows. Familiarity with graph databases such as Neo4j, Memgraph, or a triple store Search experience, particularly in tools like Open/ElasticSearch, Lucene, Vector search (Pinecone, postgres Vectors, etc) to support complex data relationships and querying needs. Kharon is a highly disruptive and incredibly innovative organization that navigates risk at the intersection of global security threats + More ❯
like Spring Boot , Quarkus , or Micronaut Deep understanding of RESTful APIs and HTTP as an architectural style Expertise in asynchronous programming in Java Solid SQL skills and experience with Postgres or Oracle Comfortable working with Docker and docker-compose Exposure to AWS services such as S3, Aurora, and ElasticCache Familiarity with modern CI/CD platforms – ideally GitLab, but GitHub More ❯
2D graphics libraries (e.g. PixiJS, Skia etc) Good knowledge of Java and related technologies (e.g. Maven, Spring Boot etc) Good knowledge of relational database management systems (RDBMS) such as PostgreSQL Experience in developing interactive products with realtime technologies (e.g. Websocket) Experience with AWS services (S3, EC2, RDS, DynamoDB, ElastiCache etc) Working basic knowledge of infra technologies and processes (deployment, contracts More ❯
app is Kotlin, AWS, GraphQL and the frontend is React Native with TypeScript. Across the rest of Lendable we also use PHP 8, Symfony 6&7, Kotlin, AWS, MySQL, PostgreSQL, RabbitMQ, Docker, Kubernetes, React & React Native, TypeScript, MobX, Redux, Stylus and SASS, Jenkins, Behat, PHPUnit, Jest, Selenium, Maestro and Detox. How you'll have an impact Own and optimise the More ❯
opportunity to learn from experienced engineers, contribute to critical projects, and develop your skills in a rapidly evolving FinTech environment. You'll gain hands-on experience with Java, AWS, Postgres and other parts of our tech stack and have the chance to make a real impact on our security and customer experience. We're committed to your growth and will More ❯
some of the biggest names in the insurance industry. We are developing a modern real-time ML platform using technologies like Python, PyTorch, Ray, k8s (helm + flux), Terraform, Postgres and Flink on AWS. We are very big fans of Infrastructure-as-Code and enjoy Agile practices. As a team, we're driven by a relentless focus on delivering real More ❯
with Visual Studio, JetBrains Rider, ReSharper, and modern DevOps pipelines. Experience with AI-assisted coding tools (e.g., GitHub Copilot, Claude Code) to accelerate development. Familiar with relational databases (e.g., PostgreSQL) and RESTful APIs. Strong grasp of Git and version control best practices. Strong communication, collaboration, and problem-solving skills. Comfortable in a fast-paced, agile environment. Nice to have: Prior More ❯