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BJAK

Full Stack Software Engineer – AI Neobank App

BJAK

Full Stack Software Engineer building BJAK's AI Neobank app with financial services. Collaborating with product and design teams to develop customer-facing and internal features.

Posted 7/15/2026full-timeRemote • 🇵🇱 PolandMid-LevelSeniorWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in full stack software engineering with a focus on building customer-facing and internal product features. Proficient in integrating APIs, improving production reliability, and utilizing analytics to enhance product performance in fintech and related sectors.

Highest-signal resume keywords
Full Stack Software EngineeringModern Web FrameworksAPI IntegrationFintech ExperienceDebugging Across The Stack

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Frontend FundamentalsBackend FundamentalsWeb Flows DevelopmentBackend APIs DevelopmentOperational Systems DevelopmentDashboards DevelopmentDatabase ManagementProduction Systems ExperienceProduct DevelopmentUX Awareness
Soft Skills
Attention To DetailGood Product Sense
Industry Keywords
FintechInsurtechMarketplaceConsumer AppsHigh-Volume Platforms

About the role

Key responsibilities & impact
  • Build customer-facing and internal product features end to end.
  • Develop web flows, backend APIs, admin tools, dashboards and operational systems.
  • Support products across insurance, payments, savings, investing, travel and financial services.
  • Work with product, design, mobile and operations teams to launch fast.
  • Integrate APIs, handle data flows and improve production reliability.
  • Use analytics, feedback and production issues to improve features after launch.
  • Help build tools that reduce manual work and improve speed across the business.

Requirements

What you’ll need
  • 3+ years of full stack software engineering experience.
  • Strong frontend and backend fundamentals.
  • Experience with modern web frameworks, APIs, databases and production systems.
  • Able to build useful products quickly without needing perfect specs.
  • Good product sense, UX awareness and attention to detail.
  • Comfortable debugging across the stack.
  • Experience in fintech, insurtech, marketplace, consumer apps or high-volume platforms is a strong advantage.

Benefits

Comp & perks
  • English is our main working language across global teams. Strong English communication is required.