Full-Stack Engineer for Startups - Hungry, Hands-On

OpsArmy; Kraków; On-site; PLN 180,000 - 260,000; Full time

Job summary

OpsArmy in Kraków is seeking a hungry, scrappy Software Engineer who thrives in a startup environment and is excited to build, solve problems, and move quickly.

This hands-on role requires independence, ownership, and the ability to learn new technologies as needed while delivering practical, impactful software.

You will work across front-end and back-end, develop features end-to-end, and collaborate with a small team to ship reliable, scalable products.

Qualifications

• Strong experience as a Full-Stack Software Engineer / Developer.
• Experience building and maintaining production applications.
• Strong understanding of both front-end and back-end development.
• Ability to work independently and take ownership of technical tasks.
• Strong problem-solving and debugging skills.
• Comfortable working with ambiguity and figuring things out independently.
• Strong English communication skills.
• Ability and willingness to learn new technologies quickly.
• Strong sense of urgency and ownership.

Responsibilities

• Build, maintain, and improve full-stack web applications.
• Develop and integrate front-end and back-end features.
• Work closely with the team to turn product requirements into working solutions.
• Troubleshoot, debug, and resolve technical issues.
• Write clean, maintainable, and scalable code.
• Take ownership of projects and features from development through implementation.
• Quickly research and learn new technologies, tools, and frameworks as needed.
• Identify problems proactively and find practical solutions.
• Work in a fast-paced environment where priorities may change quickly.
• Collaborate with other team members to improve product functionality and performance.

Skills

Full-Stack

Production apps

Frontend Backend

Ownership

Problem solving

English skills

Learning quickly

Startup experience

Job description

OpsArmy in Kraków is seeking a hungry, scrappy Software Engineer who thrives in a startup environment and is excited to build, solve problems, and move quickly.

This hands-on role requires independence, ownership, and the ability to learn new technologies as needed while delivering practical, impactful software.

You will work across front-end and back-end, develop features end-to-end, and collaborate with a small team to ship reliable, scalable products.