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.

Build and operate backend services for global liquidity management, safeguarding, investments and cash data. Design scalable microservices, event-driven pipelines, APIs and persistence layers. Ensure correctness, observability, testing, controls, reconciliation and compliance. Collaborate with cross-functional stakeholders, participate in on-call rotation, and deliver end-to-end features from design to production.

The backend developer will build backend software focusing on reliable APIs, ensure high-quality output, and collaborate with teams.

This role involves developing backend services using Golang, optimizing APIs, and managing systems for an AI-powered platform, focusing on infrastructure and business application development.

Build and maintain backend services for slot and casual games (provably-fair): betting, settlement, idempotency, state machines, seed commitment/reveal, and wallet integration. Validate numerical correctness (Monte Carlo/statistics), design tests for concurrency and failure modes, perform pre-launch code audits, and implement security-by-design measures to prevent double-debits, leaks, and over-payouts.

Build and operate backend services and APIs for onboarding, accounts, payments, cards, transfers, rewards, FX, KYC and risk flows. Design reliable, secure systems for real customer transactions, integrate with partners and AI services, ensure reliability/observability, and collaborate with product, frontend and mobile teams to launch features safely.

Develop and test WeChat's user security processes and internal tools, ensuring high-quality code and system stability. Collaborate with various engineering teams and maintain documentation.

Design and implement a durable, highly available (5-6 nines) distributed workflow execution platform. Lead architecture, integrate AI/ML for automation, solve distributed locking/timers/determinism, ensure observability, and collaborate with product teams to support large-scale, long-running workflows.

Build and maintain API services and trade routing logic for a decentralized exchange. Optimize cross-chain swap performance, monitor reliability, troubleshoot trade execution and collaborate with cross-functional teams to integrate new features.

Design, develop, test and maintain Java backend services and APIs for financial platforms. Collaborate with cross-functional teams, optimize performance, integrate third-party systems, follow CI/CD and agile practices, support releases and provide post-implementation production support locally in Asia while ensuring security and regulatory compliance.

Lead design, build, and operate scalable backend services and APIs for Web2 and Web3 products. Implement data pipelines, blockchain indexing, database optimization, observability, and fault-tolerant distributed systems. Diagnose production issues, improve reliability, and integrate blockchain/node APIs, wallets, and DeFi protocols while owning backend architecture end-to-end.

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.

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.

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, 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, 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.