Mend.io

Application Security

SeniorJavaDeveloper-IndexTeam

Poland FULL TIME
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Senior candidates.

The Brief

“Senior Java Developer- Index Team at Mend.io. Skills: Java, System Architecture, Data Management, Cloud-native environment, AWS, CI/CD. Lead the design and development of scalable, high-performance backend systems from concept to deployment. Develop solutions for processing, storing, and analysing data at scale”

Industry & Context.

Application Security

What They're Looking For.

Must Have

4+ years of experience with the Java language, experience with multithreading, experience with concurrency, experience with performance optimization, 6+ years of experience in software development, Experience with SQL backend, Experience with Kafka/RabbitMQ, Experienced with AWS, Experienced with CI/CD pipelines, Experience with AI tools (i. e. Cursor AI or Claude), Ability to take tasks from requirements to deployment quickly and independently, Ability to work within distributed, multidisciplinary teams, Design and build scalable, high-availability mission-critical systems and APIs, Experience with test-driven development

Nice to Have

Understanding of what is an open-source supply chain, Experience with cybersecurity

What You'll Do.

Lead the design and development of scalable

high-performance backend systems from concept to deployment

Develop solutions for processing

and analysing data at scale

Optimize application performance and ensure the reliability of services running in a cloud-native environment

Design and maintain complex databases

ensuring data integrity and query efficiency across relational and non-relational systems

Manage and implement multi-system integrations

handling high levels of complexity and technical interdependencies

How You'll Work.

Team & Collaboration

Work closely with cross-functional teams to define project objectives; participate in rigorous code reviews to maintain high quality; Ability to work within distributed, multidisciplinary teams

Process & Methodology

Ability to take tasks from requirements to deployment quickly and independently

Full Job Description

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! Responsibilities - System Architecture: Lead the design and development of scalable, high-performance backend systems from concept to deployment. - Core Development: Develop solutions for processing, storing, and analysing data at scale. - Infrastructure & Scaling: Optimize application performance and ensure the reliability of services running in a cloud-native environment. - Data Management: Design and maintain complex databases, ensuring data integrity and query efficiency across relational and non-relational systems. - Complex Integrations: Manage and implement multi-system integrations, handling high levels of complexity and technical interdependencies. - Collaboration: Work closely with cross-functional teams to define project objectives and participate in rigorous code reviews to maintain high quality. - Innovation: Stay current with emerging technologies and trends to ensure Mend.io http://Mend.io remains at the forefront of the industry. Must Have: - 4+ years of experience with the Java language, including experience with multithreading, concurrency, and performance optimization, - 6+ years of experience in software development, - Experience with SQL backend, preferably PostgreSQL, - Experience with Kafka/RabbitMQ, - Experienced with AWS and CI/CD pipelines, - Experience with AI tools (i.e. Cursor AI or Claude), - Ability to

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