Senior Software Engineer - Backend (Lending)

BukuWarung; Bengaluru; On-site; INR 1,800,000 - 3,000,000; Full time

Job summary

BukuWarung Senior Software Engineer — Lending is seeking a seasoned backend engineer to build a scalable, secure, and regulation-compliant lending platform. You will drive end-to-end delivery, ensuring data consistency across partner integrations while maintaining observability and reliability.

The role includes migrating from Java 11/Spring Boot 2.x to Java 21/Spring Boot 3.x, designing robust services, and mentoring teammates in a regulated fintech environment.

Qualifications

• 4–6 years of backend engineering experience in distributed systems, fintech a plus.
• Strong Java and Spring Boot fundamentals, with modern Java (17/21) experience.
• Expertise in data consistency, idempotency, and event-driven patterns (Kafka).

Responsibilities

• Turn unclear lending problems into credible technical plans and own outcomes end-to-end.
• Architect services guaranteeing strong data consistency across external data flows.
• Include testing, observability, safe rollouts, and compliance in every change.
• Migrate platform from Java 11/Spring Boot 2.x to Java 21/Spring Boot 3.x safely.
• Use AI agents to accelerate coding, debugging, and documentation.
• Provide code quality and design reviews to raise engineering bar.
• Coordinate with product, QA, platform, risk, and partners, communicating trade-offs clearly.

Skills

Java

Spring Boot

Distributed systems

Data consistency

Idempotency

Event-driven

Tools

Kafka

Job description

About The Role

At BukuWarung, the Senior Software Engineer — Lending will be responsible for building a scalable, fail-safe, and secure application that also complies with regulation. Lending is a domain where a large number of data points come in from external and partner services — which means strong data consistency is a must, and the system has to scale without compromising correctness, security, or compliance.

About The Role

At BukuWarung, the Senior Software Engineer — Lending will be responsible for building a scalable, fail-safe, and secure application that also complies with regulation. Lending is a domain where a large number of data points come in from external and partner services — which means strong data consistency is a must, and the system has to scale without compromising correctness, security, or compliance.

The Mission

We are at the stage where scaling means integration. We are establishing Lending as a platform across BukuWarung products, which brings a rapidly growing set of partner and internal integrations. Your mission is to build a system with a strong foundation to scale — in its architecture and in how the system is designed — so that Lending can serve every BukuWarung product reliably and safely.

What You’ll Do

• Own Ambiguous Problems: Turn unclear lending problems — partner integrations, disbursement, repayment, reconciliation — into credible technical plans, and own outcomes end-to-end.
• Design for Consistency: Architect services that guarantee strong data consistency across external and partner data flows, with idempotency and failure handling built in.
• Ship Safely: Treat testing, observability, safe rollouts, and rollback thinking as part of the work — high-risk changes ship with explicit readiness, and compliance is designed in, not bolted on.
• Modernize the Platform: Help drive the migration from Java 11 / Spring Boot 2.6 to Java 21 / Spring Boot 3.x — incrementally and safely, without disrupting a live lending system.
• Engineer with AI: Use AI agents to accelerate coding, debugging, and documentation while owning correctness — and turn what works into reusable workflows for the team.
• Quality & Mentorship: Write clean, testable code and raise the engineering bar through rigorous code and design reviews.
• Close Loops: Drive execution across product, QA, platform, risk, and external partners — communicating trade-offs and risks clearly and escalating early with options.

What We’re Looking For

• Experience: 4–6 years of backend engineering building distributed systems; fintech, lending, payments, or other regulated domains a strong plus.
• Java Depth: Strong Java and Spring Boot fundamentals, with hands‑on experience in modern Java (17/21) and Spring Boot 3.x — ideally including migration or upgrade work on production systems.
• Architecture: Strong design judgment — modular, maintainable services with real depth in data consistency, idempotency, and event‑driven patterns (Kafka)
• Reliability & Security Mindset: Observability, rollback awareness, secure defaults …… …...
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