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senior

Software Engineer

Applyft
format:Remotecompany:Product
flutterriverpodnext.jstypescriptamplitudeappsflyersentry
a/b testing
experience4+ years
> full description

We are a product-focused IT company that is actively scaling and expanding its presence in international markets.

Our business model is built on performance marketing and subscription-based monetization of mobile and web applications.

In 2025, we launched a new product — an AI-educational application that helps people master AI, develop their careers, and unlock new opportunities.

The product has been on the market for over a year, and our end users are primarily from Tier-1 countries and other markets around the world.

We currently have an open position for a Senior Frontend Developer (Flutter + Web)

Skills:

— 4+ years of frontend development experience, preferably in a product company;
— Strong hands-on expertise with Flutter/Dart: state management (Riverpod or similar), routing, networking, and code generation; or solid experience with another modern frontend/mobile stack combined with a strong willingness and ability to quickly learn and work with Flutter/Dart;
— Experience working in a product company with a focus on developing, launching, and continuously improving user-facing products;
— Experience shipping and maintaining production mobile apps on both iOS and Android, including release/build processes;
— Solid web development experience (Next.js, TypeScript);
— Experience integrating analytics and attribution tools (Amplitude, AppsFlyer or similar);
— Comfortable integrating payment flows on web and mobile;
— Comfortable with monitoring and error tracking (e.g. Sentry);
— Regular practice writing tests as part of the development process;
— Real-world use of AI coding tools (Claude Code, Cursor or similar) in development work — not just casual use.

Would be a plus:
— Experience with conversion-focused web funnels and A/B testing — understands how frontend changes affect conversion metrics;
— Experience with animations and rich UI to build engaging onboarding/funnel flows;
— Strong focus on frontend performance optimization.

What you’ll do:

— Support and develop our mobile applications (Flutter) — new features, bug fixes, performance improvements, and releases across iOS and Android;
— Build and optimize web funnels (Next.js) — onboarding, checkout, and conversion-focused flows;
— Maintain in-app purchase and subscription flows in the mobile apps;
— Integrate and maintain payment flows on web and mobile;
— Integrate analytics and attribution tracking (Amplitude, AppsFlyer) to support product and marketing decisions;
— Improve frontend/mobile performance and reliability — load times, rendering, and error tracking via Sentry;
— Use AI coding tools as part of daily development — speeding up implementation, reviewing code, and exploring solutions, while critically validating AI-generated output;
— Write and maintain tests to keep critical flows — especially checkout and purchase — reliable through changes;
— Participate in code review, technical planning, and UI/architecture decisions;
— Collaborate closely with backend, QA, design, and product to ship features end-to-end.

We offer:

  • Remote-First culture: We provide a flexible working schedule and you can work anywhere in the world
  • Health taking care program: We provide Health insurance, mental health support (psychologist compensation), sport compensation, and 20 paid sick days.
  • Personal Equipment Policy: We provide all necessary equipment for your work. For Ukrainian employees we also provide Ecoflow
  • Vacation Policy: Each employee in our company has 20 paid vacation days and extra days on the occasion of special evens
  • Knowledge sharing: We are glad to share our knowledge and experience in our internal events
  • English Lessons: We provide corporate English lessons to support your professional and personal growth.
  • Professional Development: Annual learning budget for courses, training, certifications, and conferences.
  • Public Holidays: You receive days off according to the official public holidays of your country of residence.
  • Coworking Compensation (Ukraine): We provide coworking space compensation for employees located in Ukraine.

Hiring process:
Recruitment Screen 👉Tech interview 👉 Final interview 👉Job Offer

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