Backend Software Engineer Jobs

Backend Software Engineer

ActiveCampaign

Location:
Poland, Krakow

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

We are currently seeking an experienced Backend Software Engineer to join Kraków Hub. Our ideal candidate is someone who thrives in a high growth environment with rapidly evolving needs. This individual will contribute to our forms platform, working across multiple codebases including our legacy PHP system, modern Python-based AI agents, and frontend components. You don’t have to check all the checkboxes in the job description. We’re looking for driven and curious engineers who are open about learning new technologies and solving problems.

Job Responsibility:

Supporting forms platform
Maintaining and enhancing form rendering, processing, and submission logic in our PHP application
Contributing to our AI-powered form generation
Enhancing AI-driven form optimization and personalization features
Developing features in the forms dashboard and form builder
Optimizing form rendering and user experience
Working with cross functional teams
Engaging in pairing and code reviews
Participation in the on-call rotation for incidents

Requirements:

4+ years of work experience in a software engineering role
Demonstrated knowledge of the challenges of scaling SaaS systems
Experience writing production code in PHP following accepted coding standards
Experience with Python for backend services
Familiarity with DB technologies: MySQL, DynamoDB, Redis
Strong problem-solving skills and ability to work across multiple codebases and technologies

Nice to have:

Experience or interest in frontend technologies such as React or Angular
Experience or interest in AI/ML system or LLM integrations
Familiarity with CI/CD practices and patterns
Knowledge of AWS (or any public cloud)
Understanding of form builders

What we offer:

Comprehensive Health & Wellness: Top-tier benefits package that includes medical and dental benefits paid 100% by ActiveCampaign for you and 50% for your dependents, and reimbursements on vision expenses
In addition, employees receive complimentary access to telehealth services, and a free subscription to Calm
Growth & Development: Access to LinkedIn Learning, professional development programs, and career growth opportunities in a fast-growing organization
Generous Paid Time Off
Total Rewards: Pension scheme with matching up to 1.5% of your contribution, MultiSport Plus card to support your active lifestyle, home office stipend to cover your commuter or work from home expenses, and a four-week paid sabbatical with bonus after five years
Collaborative Culture: Work alongside brilliant, passionate colleagues in an environment that values innovation, teamwork, and mutual support

Additional Information:

Job Posted:
December 14, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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