Senior Backend Developer (Java, AI)

TL;DR

Senior Backend Developer (Java, AI): Building and optimizing high-load backend services for a video maker web application, leveraging AI, with an accent on API design, database performance, and scalability. Focus on microservices architecture, solving complex concurrency challenges, and ensuring system reliability under heavy traffic.

Location: Hybrid, expecting team members to be present at our Berlin office up to three days per week for collaboration and team exchange.

Company

hirify.global is an international market leader specializing in professional explainer video development, offering a web application that enables users to automatically create and customize videos, often integrating AI services.

What you will do

• Design and develop new features for hirify.global.com with your team.
• Build a long-term, scalable system in an agile environment.
• Collaborate with Product Owner & QA to develop next-generation packages.
• Help shape our roadmap with your knowledge and ideas.
• Drive technical improvements on architectural & structural levels.
• Act as a role model and mentor, sharing your backend expertise with the team.

Requirements

• 4+ years of experience building scalable backend applications.
• Hands-on experience with AWS or other public clouds (deployment & configuration).
• Excellent Java (Java 11+) and Spring / Spring Boot (incl. Hibernate) skills.
• Experience with MySQL, Postgres, DynamoDB, ElasticSearch, Redis.
• Excellent English communication skills.
• Strong in architecture and design decisions (patterns, availability, scaling).
• High standards in code quality, reviews, testing, CI/CD processes.
• Familiar with agile work (Scrum).

Nice to have

• Previous leading experience.
• Previous mentoring experience in backend technologies.

Culture & Benefits

• Fair & competitive salary.
• Company pension plan.
• Urban Sports Club membership & JobRad.
• Open feedback culture & structured feedback system.
• Regular team events.
• Sabbatical options.
• Trust-based, respectful work environment with room for creativity and growth.