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Senior Java Software Engineer - Backend



Software Engineering
Bucharest, Romania
Posted on Thursday, January 11, 2024

FlowX is a leading provider of AI-powered application modernization solutions, dedicated to expediting the digital transformation journey for global financial institutions. Through its innovative solutions, clients realize swift ROI, substantial cost savings, and unlock new revenue opportunities. Recently, FlowX secured the largest Series A funding round for enterprise software over the past two years.


The core mission will be to contribute to the design and the building of the backend components on the platform, in accordance with our product strategy and delivery standards. As a Backend developer you will work closely with all team members (Backend, Frontend, QA, PO, UX) and will be involved in all stages of building and improving the FlowX platform.

Engineers on the team today:

  • Work in Java 11+ and Spring Boot primarily
  • Grow our solution in an event-driven architecture using Kafka
  • Use Elastic search to query massive amounts of data
  • Store data using both SQL (Postgres, Oracle) and NoSQL (MongoDB) databases and cache it using Redis or in-memory cache
  • Uphold best practices in engineering, security, and design
  • Support each other, especially when teammates are faced with new challenges
  • Are left to autonomously figure out the solutions to their challenges
  • Build a great user experience built on customer centricity
  • Are naturally curious and open to initiate learning something they don’t have experience in yet
  • Build extreme ownership and feel a great sense of accountability to each other
  • Work in an Agile environment

Skills & Experience

  • 5+ years of working with Spring Boot framework (Java or Kotlin)
  • 7+ years of working full-time as a software engineer
  • Experience writing Integration Tests and Unit Tests
  • Familiarity with Docker and Kubernetes would be a real advantage
  • Nice to have: experience with S3 compatible storage solutions
  • Nice to have: experience in any functional language or Python

Here are examples of things we’ve worked on:

  • Event driven microservices setup for both core engine and plugins used by thousands of clients in production
  • BPMN process engine built from scratch
  • Headless CMS with MongoDB
  • Handling documents via S3 storage and generate files based on customizable templates


You will be part of the Backend Engineering team and work closely with Irina, Cristina, Viorel, Alex & Marian.

What's in it for you

  • Joining a product company in such early stages means you are invited to leave a print on the evolution of both the business and the product
  • Involvement in international accounts throughout the expansion of the company
  • Direct involvement in further building the team & the culture
  • Early-stage equity package to be considered

    Location: Bucharest