Senior Java Engineer (Fintech)

TL;DR

Senior Java Engineer (Fintech): Contributing to the further development of the Order Management System based on Fluent Commerce with an accent on the evolution of the workflow engine and order orchestration logic. Focus on building scalable, high-performance services for ESN & More Nutrition brands.

Location: Germany, remote

Company

hirify.global (TQG) is an innovative provider of sports nutrition products and has united the successful brands ESN and More Nutrition since 2021.

What you will do

• Optimize and enhance the OMS and workflow engine using modern Java-based architectures.
• Design and implement workflows, rules, and integrations within Fluent Commerce.
• Design and implement APIs, primarily using GraphQL, complemented by REST.
• Collaborate closely with Product, DevOps, and other engineering teams to deliver high-quality solutions.
• Contribute to architectural and technical decisions and drive best practices within the team.
• Ensure high code quality through peer reviews, testing, and clean architecture principles.

Requirements

• Several years of hands-on experience in full stack software development with strong Java skills.
• Solid knowledge of microservices architectures and distributed, event-driven systems.
• Experienced in API design, especially GraphQL (schema design, performance, maintainability).
• Familiar with cloud-native development, ideally within the AWS ecosystem.
• Experience with DevOps practices such as CI/CD, Git, and Infrastructure-as-Code.
• Excellent English skills, both written and spoken.

Nice to have

• Experience with Fluent Commerce, especially in the area of workflows, rulesets, and platform integrations.
• Experience with Order Management Systems or e-commerce platforms.
• Knowledge of PHP (Symfony or Laravel).
• German skills.
• On-call availability and willingness to travel for tech days when needed.

Culture & Benefits

• Attractive employee discounts on ESN & More products.
• Flexible working hours & remote work options.
• Subsidies for mobility & fitness (e.g., Wellpass, Deutschlandticket).
• Company pension scheme.
• Workation options.