Senior Java Developer-Core team

Why Mend.io

We are redefining how modern organizations secure software from open source and custom code to AI-generated components. As the creators of the first AI Native AppSec Platform, we help global enterprises stay safe, fast, and compliant in an era of AI-driven development. Our platform combines intelligent automation, deep risk visibility, and developer-first experiences, shaping the future of application security.

We are also committed to building a collaborative, empowering workplace. If you are excited about this role but do not meet every requirement, we encourage you to apply. Your perspective could be exactly what we need!

We are seeking an experienced Java Software Developer to join our Core application Team. As a Java Software Developer, you will be responsible for designing, developing, and maintaining a software application that works with large scale systems that serve enterprises. The ideal candidate will have a deep understanding of Java and Big Data technologies and the ability to work in a fast-paced, dynamic environment.

You're invited to meet the Mend R&D team here!

Working in a hybrid model! (two days from the office, three days from home**)

Responsibilities

Design, develop, troubleshoot, and maintain high-availability systems using Java

Optimize existing services to be enterprise-grade and scalable, ensuring they meet the demands of high-volume usage

Write high-quality, maintainable code and ensure that code is thoroughly tested and debugged

Participate in code reviews and ensure that all code meets the standards set by the team

Mentor other developers and provide guidance and support as needed

Requirements

A minimum of 5 years of experience in Java software development, including experience with multithreading, concurrency, and performance optimization-Must!

Strong experience working with SQL databases

Ability to work independently and as part of a team

Extensive experience leading design and architecture-related activities

Familiarity with Agile development methodologies and experience working in a fast-paced, dynamic environment

Experienced with AWS and CI/CD pipelines

Experience with AI tools ( Cursor, windsurf and CodeRabbit, etc.)- Big Advantage

Excellent interpersonal and communication skills

Excellent English – written and verbal

Bachelor's degree in a relevant field (preferred)

Our Culture

At Mend.io, we are leading the way in securing AI-powered applications, and we believe the best innovations come from teams where everyone feels valued. We are committed to a workplace built on respect, trust, and growth, where learning and flexibility empower people to do their best work.