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.

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

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.

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 and implement high-performance Rust backend services and core infrastructure for an institutional-grade decentralized trading framework. Build and audit secure smart contracts for EVM environments, optimize sub-millisecond trading latency, and integrate privacy-preserving cryptography and TEEs into scalable distributed systems.

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.

Design and maintain high-performance backend services and APIs for a web3 payments platform, collaborating with teams and ensuring system reliability.

Design and implement high-performance trading APIs for a decentralized exchange, focusing on low latency and real-time data processing while ensuring system observability and reliability.

The Backend Engineer will implement new SDK and Indexer features, automate testing, support integration, and oversee production releases.

The Staff Backend Engineer will own the Economic Core of Voyagu's Radar platform, focusing on financial systems architecture and ensuring revenue correctness and financial logic implementation across the system.

Six-month full-time internship contributing to Binance's BigPay platform. Work on backend Java services, define API contracts, troubleshoot QA issues, assist customer support, and collaborate with mentors to improve systems.

Design, develop, and optimize backend systems using Java and Spring. Contribute to architecture for scalability and high-availability, solve high-concurrency problems, participate across the SDLC, and collaborate with regional teams to share best practices and elevate technical capabilities.

Build and maintain backend services and APIs powering onboarding, accounts, payments, cards, transfers, rewards, FX, KYC and risk flows. Design reliable, secure, observable systems for real customer transactions and operational workflows. Integrate with partners, payment providers and AI services, own reliability, data integrity and incident handling, and collaborate with product, frontend, mobile and AI teams to launch features and automate processes.

As a Backend Developer Intern, you will develop IT solutions, collaborate with teams to improve service reliability and data compliance, and assist in making WeChat features compliant for users.

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.

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.