Backend Developer

About BJAK

BJAK's founding mission is to provide smarter solutions for planning, saving, and growing personal finances. Established in 2019, BJAK developed the first mobile-first insurance platform in Southeast Asia, making insurance accessible online to millions. Currently, BJAK is broadening its offerings to encompass spending, saving, investing, currency exchange, travel, and additional financial services. Our global team spans over 20 nationalities working from various offices and remotely. We seek passionate, highly skilled individuals dedicated to developing innovative next-generation financial products that serve a broad audience.

Role Overview

We are inviting backend engineers to contribute to the foundational systems powering BJAK's AI Neobank application. This role involves constructing dependable APIs and workflows that scale effectively across multiple markets, partners, and millions of users.

Key Responsibilities

• Develop backend services and APIs supporting onboarding, account management, payments, cards, fund transfers, rewards, travel services, foreign exchange, KYC, and risk processing.
• Architect robust systems capable of handling live customer transactions, operational workflows, and upcoming financial products.
• Integrate backend systems with internal platforms, financial partners, payment providers, AI functionalities, and other third-party services.
• Ensure backend quality focusing on reliability, security, latency, monitoring, data accuracy, and incident management.
• Collaborate closely with product, frontend, mobile, and AI teams to rapidly and safely deploy new features.
• Enhance existing infrastructure by streamlining processes, minimizing manual interventions, and automating repetitive tasks.

Candidate Profile

• Proven experience building and maintaining backend systems deployed in production environments.
• Strong grasp of APIs, databases, user authentication and authorization, message queues, scheduled jobs, event-driven architectures, and system integrations.
• Experience delivering backend services utilized by customers or internal operations at significant scale.
• Excellent debugging skills with a focus on reliability, security, and data integrity.
• Ability to balance pragmatic trade-offs between development speed, correctness, scalability, and maintainability.
• Background in fintech, payments, banking, wallets, KYC, fraud detection, or risk management is highly advantageous but not mandatory for candidates with solid fundamental skills.

Unsuitable Candidates

• Developers looking for isolated backend tasks without wider system responsibility.
• Those who overlook critical aspects such as security, data consistency, monitoring, or operational risk.
• Individuals unable to adapt to rapidly evolving product requirements.
• Applicants lacking real-world production system experience despite claims about managing scale.
• Candidates who overstate contributions without clear accountability or ownership.

Additional Details

BJAK values candidates who have meaningful achievements in technology careers where they directly contributed to the creation, deployment, or scaling of substantial products, platforms, or systems.

Location: This position is fully remote; however, applicants must be located within the UK as the role targets the UK market specifically.

Language: English proficiency is essential for effective communication within our international teams.

Selection Process

1. Online assessment or practical task
2. Technical interview
3. Final interview with the CEO

Strong candidates who complete assessments promptly are prioritized, with the aim to finalize hiring decisions within one week of the application process start.