Backend Software Engineer – Finance Super App

BJAK

Backend Engineer building core systems for BJAK's finance super app. Responsible for reliable APIs and workflows across various financial products.

Posted 7/5/2026full-timeTaipei • 🇹🇼 TaiwanMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building backend services and APIs for financial applications, with a strong focus on system design, security, and integration with third-party systems. Proven ability to collaborate with cross-functional teams to deliver reliable and scalable solutions in a regulated environment.

Highest-signal resume keywords

Backend Engineering ExperienceAPI DevelopmentSystem DesignFintech ExperienceIntegration with Third-Party Systems

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Backend EngineeringAPI DevelopmentDatabase ManagementProduction DebuggingScalable ServicesSystem DesignSecurity Best PracticesData Quality AssuranceOperational Edge CasesPractical Trade-Offs

Soft Skills

CollaborationCommunicationProblem-Solving

Industry Keywords

FintechPaymentsInsuranceLendingBankingRegulated Products

About the role

Key responsibilities & impact

Build backend services, APIs and workflows for the finance super app.
Support products across insurance, payments, wallet, savings, investing, travel and financial services.
Design reliable systems for user accounts, transactions, partner integrations, reconciliation, notifications and operations.
Work with product and mobile teams to ship customer-facing journeys quickly.
Integrate with banks, payment gateways, insurers, data providers and other partners.
Improve system reliability, observability, security and performance.
Build systems that are practical, auditable and ready for regulated financial products.

Requirements

What you’ll need

3+ years of backend engineering experience
Strong fundamentals in APIs, databases, system design and production debugging
Experience building scalable services and integrating third-party systems
Good understanding of security, reliability, data quality and operational edge cases
Able to make practical trade-offs between speed, quality and risk
Comfortable working with product, mobile, operations and business teams
Experience in fintech, payments, insurance, lending, banking or regulated products is a strong advantage

Benefits

Comp & perks

Hybrid role requiring in-office work at least 3 days per week
Strong English communication is required