Must have

• Java

• Go

• Cloud Native

• AWS

• GCP

• Azure

• AI

• LLM

• CodeRabbit

• Cursor

• Copilot

• English

Nice to have

• GPT

• LLaMA

• Claude

• LangChain

• Hugging Face

• OpenAI SDKs

Requirements description

Must:

• 5+ years of professional experience in backend software development.
• Deep knowledge and hands-on experience with Java or Go -Must.
• Strong understanding of cloud-native architectures (AWS/GCP/Azure), distributed systems, and DevOps best practices.
• Experience developing security products or tools, or a strong interest and understanding of application security.
• Understanding of modern AI/LLM use cases in software (e.g., embedding models in services, integrating model APIs, etc.).
• Hands-on with AI coding assistants such as CodeRabbit, Cursor, Copilot, or similar.
• Knowledge of secure software development practices, including threat modeling and vulnerability mitigation.

Nice to have :

• Experience working with or analyzing LLMs (e.g., GPT, LLaMA, Claude) in real-world applications.

• Familiarity with AI security challenges like prompt injection, model leakage, and adversarial examples.

• Familiarity with machine learning workflows, especially how models are trained, stored, and deployed in real-world applications.

• Experience using tools such as LangChain, Hugging Face, OpenAI SDKs, or other AI ecosystems.

• Previous work in the application/cloud security or DevSecOps domain.

Offer description

We are seeking a passionate and adaptive Experienced Backend Developer with AI skills to join our team. In this role, you’ll play a key part in ensuring the quality and security of our product at Mend.io. We recognize that the best candidates come with a variety of backgrounds, and we welcome your unique skills and perspectives. This position is both dynamic and rewarding, where you will work closely with others to innovate and improve our automation processes.We believe in work-life balance, and the position is remote, offering you the flexibility to work from anywhere within Poland. You will have the opportunity to make an impactful difference in the world of security and application development.

Why Mend.io :

Mend.io is 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 an inclusive, empowering workplace. If you’re excited about this role but don’t meet every requirement, we encourage you to apply. Your perspective could be exactly what we need.

Our Benefits:

We offer two flexible engagement options: B2B contract or employment via Deel. Both come with a strong benefits package designed to support you professionally and personally.

Core Benefits:

• Remote Work: Work from your home office in Poland.
• Training Budget: Annual budget for professional development.
• Stock Options: Share in our company’s success.
• Recharge Days: 4 Annually (One company-wide Friday off each quarter).
• Absence Paid Days: 36 days to utilize time off.
• Company Equipment Purchase: We cover the cost of your new laptop and essential work tools, so you can set yourself up for success from day one.

Additional Benefits: (Employment of record per local law)

• Social security, pension, labor fund, public health insurance, accident and disability insurance, and guaranteed employee benefits fund.
• Maternity and parental leave in accordance with Polish employment regulations.

Our Culture:

At Mend.io, we are building more than the future of application security - we are building a culture where diverse perspectives drive innovation. As we lead the way in securing AI powered applications, we believe the best solutions come from teams where everyone feels seen, heard, and empowered to thrive.We are committed to a workplace rooted in respect, trust, and growth. That means supporting your development through mentorship, learning, and meaningful challenges, while also valuing flexibility and balance.

A Quick Peek Into Our AI Hackathon – Experience Shared by Our Own Noa from R&D!

👉🏻 mend.teamme.link/?videoId=330969f4-f173-42ad-a116-2ea520adc4bf

(edited using AI)

Your responsibilities

1. Design and implement backend systems that scan source code, identify AI/ML components, and evaluate associated security risks.
2. Build intelligent detection logic to recognize large language models (LLMs), machine learning models, and custom pipelines in codebases.
3. Collaborate with security researchers, data scientists, and product managers to integrate AI risk models into our core platform.
4. Develop scalable and maintainable services in Java and Go.
5. Translate research prototypes into production-grade features, with attention to performance, resilience, and accuracy.
6. Conduct code reviews, maintain high development standards, and mentor team members.