BackEnd Engineer

PepsiCo; Kraków; On-site; PLN 75,000 - 95,000; Full time

Job summary

PepsiCo in Kraków is seeking a motivated Backend Engineer to design, develop, and maintain scalable backend services and APIs. You will collaborate with cross-functional teams on robust solutions and support cloud-native deployments. Ideal candidates possess 2+ years of experience in backend development, proficiency in Java (Spring Boot), Python, or Node.js, and a solid understanding of microservices architecture. A chance to be part of a fast-paced environment focused on innovation and impact.

Qualifications

• 2+ years of experience in software engineering, focused on backend development.
• Proficient in backend programming languages such as Java (Spring Boot), Python, or Node.js.
• Experience with RESTful APIs and microservices architecture.

Responsibilities

• Design, develop, and maintain backend services and RESTful APIs using modern frameworks.
• Build and support microservices-based architectures for scalable application development.
• Integrate backend services with third-party APIs and internal systems.

Skills

Backend development

Clean and efficient code

Agile methodologies

Problem-solving

Tools

Java (Spring Boot)

Python

Node.js

PostgreSQL

MongoDB

Job description

Overview

CAREERS TO SMILE ABOUT

At PepsiCo, you’ll discover a place where our mission is to create smiles around the world. With a portfolio of more than 500 beloved brands including, Gatorade, Lay’s and Quaker, our work touches millions of people every day.

At the heart of the company is a team of thinkers, creators, and problem-solvers who collaborate to innovate and turn ideas into action. Driven by innovation and a focus on creating joyful moments through food and drinks, our decisions are guided by consumer centricity, creating opportunities for our associates to do meaningful work and make a lasting impact in the communities we serve.

Whatever your role, you’ll be part of a global community that values your ideas and empowers you to make an impact, on your career and on the world around you.

Location Overview Working with inspiring and experienced colleagues, you'll find that the atmosphere in our city-centre office in Kraków is informal and engaging. With drive and ingenuity, our teams deliver vital services to PepsiCo employees around the world. With an active, get‑things‑done culture, this is a place where your dynamism and agility will make a difference.

We are looking for a motivated Backend Engineer to design, develop, and maintain scalable backend services and APIs. In this role, you will contribute to building reliable, high‑performance systems that power business‑critical applications. You will work closely with cross‑functional teams to deliver robust solutions, integrate with frontend applications, and support cloud‑native deployments.

The ideal candidate has a strong foundation in backend development, a passion for clean and efficient code, and an interest in building modern, distributed systems.

Responsibilities

• Design, develop, and maintain backend services and RESTful APIs using modern frameworks (e.g., Java Spring Boot, Python, or Node.js).
• Build and support microservices‑based architectures for scalable and modular application development.
• Work with relational and NoSQL databases to design efficient data models and optimize queries.
• Integrate backend services with third‑party APIs and internal systems.
• Collaborate with frontend developers to ensure seamless end‑to‑end functionality.
• Participate in code reviews, testing, and debugging to ensure high‑quality deliverables.
• Contribute to CI/CD pipelines and support deployment in cloud environments (AWS, Azure, or GCP).
• Assist in implementing security, authentication, and data protection mechanisms.
• Monitor and troubleshoot applications to ensure performance, reliability, and scalability.
• Follow Agile development practices and actively participate in sprint planning, stand‑ups, and retrospectives.

Qualifications

• 2+ years of experience in software engineering, with a strong focus on backend development.
• Proficiency in backend programming languages such as Java (Spring Boot), Python, or Node.js.
• Experience building and consuming RESTful APIs and familiarity with microservices architecture.
• Working knowledge of databases such as PostgreSQL, MySQL, MongoDB, or Couchbase, including data modeling and query optimization.
• Understanding of backend frameworks and tools, along with experience in API development, integration, and testing.
• Familiarity with cloud platforms (Azure, AWS, or GCP) and basic deployment concepts is a plus.
• Exposure to event‑driven architecture or messaging systems (e.g., Kafka, RabbitMQ) is preferred.
• Basic understanding of frontend technologies (React.js, Angular, or Vue.js) for effective integration is a plus.
• Strong understanding of Agile methodologies and experience collaborating in cross‑functional teams.
• Excellent problem‑solving skills and ability to work in fast‑paced, mission‑critical environments.
• Solid grasp of software design principles, patterns, and backend best practices.
• Strong verbal and written English communication skills, with the ability to collaborate effectively with global teams.