Associate Software Engineer (Intern)

We are seeking a passionate and motivated Software Engineering Intern who is eager to grow their expertise in building cloud-based applications—from developing front-end interfaces to modern backend services and microservice-based applications.

As a key member of our dynamic development team, you will help build innovative web applications and intelligent features powered by modern .NET Core, C#, React, AWS, and AI technologies. You will have opportunities to work on AI-enabled solutions, including Generative AI and Large Language Model (LLM)-based applications, while developing expertise across the full software development lifecycle.

The ideal candidate will possess strong programming fundamentals, a good understanding of SQL databases, and an interest in applying emerging AI technologies, including Generative AI and LLM-based capabilities, to modern software solutions.

In this role you will...

• Work closely with Development, QA, and Operations teams to ensure successful project delivery.
• Communicate effectively to understand project requirements and provide timely updates.
• Assist in designing, developing, and maintaining full-stack applications using .NET (Core/Framework), React.js, and SQL/NoSQL databases on the AWS cloud platform.
• Collaborate with senior engineers, product managers, and designers to understand requirements and implement solutions.
• Assist in developing and testing APIs and software components under the guidance of senior engineers.
• Write clean, maintainable, and scalable front-end and back-end code under guidance.
• Participate in agile ceremonies such as sprint planning and technical design reviews, and contribute ideas and feedback.
• Participate in code reviews, unit testing, and software deployment activities.
• Assist in monitoring, debugging, and improving application performance, security, and reliability.
• Assist in troubleshooting application issues and contribute to root cause analysis under the guidance of senior engineers.
• Collaborate with cross-functional teams including engineering, product, IT security, and release management.
• Assist in the development and integration of AI-powered features and intelligent user experiences using modern AI technologies and services.
• Stay updated on emerging trends in .NET, front-end technologies, cloud computing, and AI.

You’ve got what it takes if you have...

• Basic programming knowledge in Java, Python, C#, or another object-oriented programming language.
• Good understanding of relational databases and SQL, including database design fundamentals, query writing, stored procedures, and data modeling.
• Strong understanding of object-oriented programming (OOP) principles; familiarity with design principles such as SOLID and KISS is a plus.
• Knowledge of React.js and modern front-end technologies (HTML, CSS, JavaScript/TypeScript).
• Understanding of software development concepts and application architecture principles.
• Familiarity with version control systems such as Git and Bitbucket is a plus.
• Familiarity with NoSQL databases is a plus.
• Awareness of application performance concepts and optimization techniques.
• Understanding of secure coding practices.
• Familiarity with software design patterns and their practical application.
• Strong analytical, quantitative, and problem-solving abilities.
• Excellent interpersonal, written, and verbal communication skills.
• Foundational knowledge of Artificial Intelligence (AI), Generative AI, and Large Language Models (LLMs), including prompt engineering and practical AI applications in modern software development.
• Collaborative mindset and eagerness to learn new technologies and grow within both AI and full-stack engineering domains.

Preferred Qualifications

• Internship, academic project, or personal project experience with React, .NET, or web application development.
• Hands-on experience with Python and AI-based applications.
• Familiarity with AI services and frameworks such as Azure OpenAI, AWS Bedrock, LangChain, Semantic Kernel, or similar technologies.
• Familiarity with CI/CD pipelines, Docker, and cloud platforms (AWS, Azure, or GCP).
• Hands-on experience with testing frameworks such as NUnit or xUnit.
• Exposure to AWS cloud services and cloud-native application development.
• Experience analyzing and troubleshooting functional and technical issues through academic, internship, or personal projects.
• Exposure to Agile development methodologies.
• Familiarity with AWS services such as Lambda, S3, ECS, API Gateway, and related cloud-native services.
• Interest in user experience (UX), accessibility, and responsive web design.
• Experience integrating AI/LLM capabilities into applications is a plus.

Our Culture:

Spark Greatness. Shatter Boundaries. Share Success. Are you ready? Because here, right now – is where the future of work is happening. Where curious disruptors and change innovators like you are helping communities and customers enable everyone – anywhere – to learn, grow and advance. To be better tomorrow than they are today.  

Who We Are:

Cornerstone powers the potential of organizations and their people to thrive in a changing world. Cornerstone Galaxy, the complete AI-powered workforce agility platform, meets organizations where they are. With Galaxy, organizations can identify skills gaps and development opportunities, retain and engage top talent, and provide multimodal learning experiences to meet the diverse needs of the modern workforce. More than 7,000 organizations and 100 million+ users in 180+ countries and in nearly 50 languages use Cornerstone Galaxy to build high-performing, future-ready organizations and people today.

Total Rewards:

At Cornerstone, we are dedicated to inspiring excellence and pushing boundaries in everything we do. Our compensation strategy is based on three fundamental principles: equitable pay, market-driven research, and skill-based appraisals. As part of our mission to share success and empower individuals to thrive in an ever-changing world, the listed salary range is just one element of Cornerstone’s comprehensive compensation package. This compensation package may also include annual bonuses, short- and program-specific awards depending on the role, and a comprehensive benefit offering. The disclosed salary range reflects the geographic differential based on the location of the position if applicable. The starting salary for the successful applicant will depend on several job-related factors, including education, training, experience, certifications, location, business needs, and market demands. This range is based on a full-time position and may be adjusted in the future. Join us in shaping the future of work — tomorrow, together. Experience flexibility and empowerment in your career at Cornerstone. The BASE salary range for this position is: - PLN.

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