Top Backend Developer Jobs in Singapore

Design, build, and operate highly reliable, scalable, event-driven systems for card issuing, transactions, and settlement. Lead architecture, drive platform improvements, ensure operational readiness, mentor senior engineers, and influence cross-team technical direction.

The Java Backend Developer will design, develop, and maintain backend services and APIs, ensuring high performance, security, and scalability in financial applications. They will collaborate with teams, troubleshoot issues, and uphold code quality standards.

Seeking a Senior Backend Engineer with 4-5 years of experience, adaptable in technology, and a strong work ethic to develop fintech products.

Design, develop, refactor, and optimize core backend components for high-concurrency, high-performance systems. Contribute to architecture, full lifecycle development, deployments, monitoring, and cross-team collaboration while researching and implementing scalable solutions.

As a Backend Staff Engineer, you will lead technical standards, mentor junior engineers, conduct code reviews, and drive feature development in a fast-growing on-demand services environment.

The Backend Engineer will design, develop, and optimize high-performance backend services, focusing on scalability and high availability for global users.

Assist in designing, developing, and optimizing backend systems, troubleshoot issues, and contribute to the full software development lifecycle.

Lead architecture and implementation of scalable, highly available pricing platforms. Drive technical vision and roadmaps, design distributed systems, partner with product stakeholders, mentor engineers, and collaborate cross-team to deliver high-throughput, real-time pricing services.

Contribute to design, development, and maintenance of real-time risk control and decisioning services. Implement risk rules, scoring models, and feature pipelines for fraud, AML, and account security. Troubleshoot issues, write technical documentation, and collaborate with Risk Operations and CS teams to investigate cases and improve systems.

Design and build multi-tenant, high-scale backend systems for embedded finance. Own cross-domain features, architect enterprise integrations, collaborate with product and sales, and measure and optimize performance, reliability, and customer-facing solutions.

Lead design and implementation of a next-gen billing platform: analyze requirements, design architecture, develop core components on a microservice framework, ensure high concurrency/availability, introduce new technologies, and build/manage the technical team and coding standards.

Lead design and implementation of a next-generation billing platform. Architect and develop microservice components, ensure high concurrency, availability and performance, collaborate with product and cross-functional teams, introduce new technologies, and build/manage the technical team and coding standards.

Design, build, and maintain scalable, secure backend services for card issuance and spend management. Own end-to-end feature delivery, contribute to architecture, write reliable testable code, ensure observability and API quality, collaborate cross-functionally, and mentor other engineers.

Develop and maintain scalable backend services and APIs, collaborate with frontend developers, and lead new features and infrastructure improvements.

Design, build, and improve DApps and smart contracts; optimize backend services for multi-chain scalability and reliability; perform code reviews and testing; enforce blockchain security best practices; collaborate with frontend, product, and stakeholders; stay current with blockchain technologies and platform improvements.

Design and build core backend modules for a high-volume P2P marketplace, including order matching, escrow, dispute resolution, and merchant management. Develop high-concurrency transaction processing, seller/buyer workflows, payment integrations, and ensure reliability, idempotency, and consistency across transactions. Participate in architecture design, code reviews, and cross-team collaboration.

Design, build, and maintain backend payment systems (wallets, gateways, merchant management). Implement open APIs, tune performance, troubleshoot incidents, and collaborate with product and cross‑team stakeholders.

Design, build, and maintain bank and card payment integrations and high-availability, high-concurrency payment processing modules (routing, clearing, reconciliation, settlement). Collaborate with product, risk, and compliance, participate in code reviews and system design, and optimize system performance and scalability.

Design, develop, and optimize high-performance Java backend systems. Contribute to architecture, implement core modules, troubleshoot production issues, perform code reviews, and improve scalability, availability, and reliability of distributed financial or blockchain systems.

Early-career backend engineer in the KYC Technology Team building and improving Binance's global KYC platform: define APIs, troubleshoot QA issues, assist customer support, integrate compliance vendors, and apply scalable microservice solutions.

Design and implement high-throughput distributed services for KYC onboarding. Convert business requirements into services, tune performance, troubleshoot incidents, write tests and technical documentation, collaborate cross-team, and mentor junior engineers.

Design, build, and maintain high-performance backend services and APIs using Java/Spring Boot. Develop and productionize recommendation algorithms and LLM systems, optimize LLM workloads (including on-prem), ensure scalability, reliability, and security, and collaborate across time zones with product and project teams to own end-to-end architecture.

Contribute to development and maintenance of core backend infrastructure, compile and implement interface documentation, troubleshoot and resolve QA-reported issues, and assist Customer Success in solving and classifying customer problems to drive system improvements.

Design, build, test, and deploy low-latency, high-throughput trading systems; collaborate with quant and product teams; maintain trading infrastructure, risk and position-monitoring tools; mentor juniors; integrate AI coding agents into development workflows and support production incidents.

Early-career backend engineer for Binance's KYC Technology team. Contribute to development and maintenance of onboarding products, write and implement interface documentation, troubleshoot QA issues, and assist customer support to classify and resolve problems for system improvements.