Backend Software Engineer – Finance Super App

BJAK

Backend Software Engineer developing reliable APIs and systems for BJAK's finance super app. Collaborating with teams to support diverse financial services while ensuring system reliability and performance.

Posted 7/5/2026full-timeRemote • 🇨🇳 ChinaMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

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

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

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

Health insurance
Paid time off