Senior Software Development Engineer (App Platform)

Job Description:

About the Role:

App Platform Engineering builds and maintains the foundational mobile and web platform that all Remitly product teams build on top of. We own the architecture shared frameworks build and release infrastructure design system and developer tooling. These let product teams ship faster and with higher quality. This also eliminate the need for product teams to solve the same hard problems twice. As a senior development engineer you will report to senior engineering manager in Krakow and work with peer team in U.S.

You Will:

• Own the architecture and evolution of our mobile (React Native) and web platform - decisions that 10 product teams depend on

• Build and maintain CI/CD pipelines app store delivery feature flagging and safe rollout infrastructure

• Design and maintain the API/middleware layer between backend services and client apps

• Lead the shared component library and design system in partnership with UX

• Take care of localisation engine

• Set and enforce standards for performance observability and accessibility

• Enable product teams through documentation tooling workshops and architecture reviews

• Keep the team current on AI-assisted development React Native advances and cross-platform patterns

• Review cross-team contributions for consistency performance and maintainability

• Ensure compliance with industry standards and regulatory requirements

• Mentor junior engineers

Youll bring:

• BS in Computer Science or equivalent experience with 8 years building products at scale.

• Proficiency in TypeScript (preferred) and at least one of Go Java or Kotlin. PHP familiarity is a bonus.

• Experience building platforms from the ground up frameworks shared tooling quality gates and CI/CD pipelines. You think in systems not features.

• Deep React Native knowledge: performance constraints native bridge OS-level differences and what breaks in production that never breaks in the simulator.

• Hands-on experience owning the full mobile and web release lifecycle from pipeline design to safe app store delivery.

• Experience designing the data layer between backend services and client apps GraphQL BFF patterns or similar API contracts that keep frontends decoupled.

• Exposure to design systems at scale building components that product teams actually adopt balancing flexibility with consistency.

• A track record of onboarding teams onto platforms you built good docs well-designed APIs and making the right thing the easy thing.

• Informed opinions across the full client app spectrum from full native to PWA with clear thinking on where each approach wins and where it breaks down.

#LI-hybrid

Compensation Details

The starting base salary range for this position is typically zł320000 zł360000 per Poland Remitly employees are shareholders in our Company and equity is part of our total compensation plan. Your recruiter can share more information about medical benefits offered as well as other financial benefits and total compensation components offered with this role.

Remitly Poland applies increased tax deductible costs (KUP) to remuneration earned by certain qualifying employees (to the extent an employee will be involved in the creation of the software as an author) for the transfer of copyrights in accordance with the relevant provisions of the Personal Income Tax Act.

Our Benefits:

• Equity in the company RSUs
• Employee Stock Purchase Plan (ESPP)
• 26 days paid holiday additional company days off
• Royalties (KUP)
• Hybrid working model (we have the office in a Kraków City Centre)
• Commute allowance
• Health/Dental Coverage LUX MED VIP for employee and family
• Life Insurance
• Travel Insurance
• Pluxee Lunch Card/Multisport Card
• Education Budget
• Mental Health program for employee
• Family planning program
• Employee Pension Plan (PPK)

Our Connected Work Culture: Driving Innovation Together

At Remitly we believe that true innovation sparks when we come together. Our Connected Work Culture fosters dynamic in-person collaboration where ideas ignite and challenging problems find solutions faster. For corporate team members we have an in-office expectation of at least 50% of the time monthly typically achieved by coming in three days a week. This creates a consistent meaningful overlap that supports team norms and business needs. Managers also have the flexibility to set higher expectations based on their teams specific needs. These intentional in-office moments are vital for deepening relationships fueling creativity and ensuring your impact is felt where it matters most.

Remitly is an E-Verify Employer

At Remitly we are dedicated to ensuring that our workplace offers equal employment opportunities to all employees and candidates in full compliance with applicable laws and regulations.

Remitly is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.