Senior Back-end Engineer

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Key responsibilities:

  • Technical Architecture: lead the design and development of backend services for our SaaS B2B platform, focusing on creating an open architecture that integrates various players in the private equity ecosystem
  • Microservices: build and maintain microservices using Java 21 and Spring Boot, ensuring scalability, reliability, and performance
  • API Development: develop and optimise RESTful APIs to support our frontend applications built with React and TypeScript
  • Platform Integration: ensure seamless integration of our platform with third-party systems used by PE firms, distributors, private banks, and fund administrators
  • Performance & Optimization: proactively identify performance bottlenecks, optimize data flow, and ensure backend services operate with maximum efficiency
  • Best Practices & Code Quality: advocate for clean code, automated testing, and DevOps best practices, ensuring high-quality software development and deployment processes
  • Mentorship & team growth: provide technical leadership and mentorship to engineers, building a culture of excellence, innovation and continuous learning

Qualifications:

  • 7+ years of experience in back-end development, with a strong focus on Java and Spring Boot
  • Proven experience in designing and developing microservices-based architectures
  • Hands-on experience with AWS services, including EC2, and a strong understanding of Kubernetes (K8s) for container orchestration is a big plus
  • Strong experience in building RESTful APIs, especially OpenAPI-generated interfaces
  • Familiarity with CI/CD pipelines and automated testing frameworks
  • Proficiency with SQL including migrations (Flyway), ensuring data integrity and optimal performance
  • Excellent analytical and problem-solving skills with a focus on delivering scalable solutions
  • Strong communication skills with the ability to articulate complex technical concepts to non-technical stakeholders

Technologies

  • Back-end: Java 21, Spring Boot, REST, Postgres/Jooq/Flyway, JUnit/TestContainers/Mockito, AWS (EC2, RDS, Cognito, S3, KMS), Containerization (Docker / kubernetes)
  • Front-end: TypeScript, React, and Tailwind CSS

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Job Details

Company
Calyptus
Location
United Kingdom, UK
Posted