Top Backend Developer Jobs in Singapore

Develop and maintain high-performance C# backend services, APIs, and financial platforms. Integrate financial systems and third-party services, optimize performance, ensure security and data integrity, troubleshoot development and production issues, and support releases and change management. Participate in Agile planning and ceremonies, conduct code reviews, testing, and CI/CD activities, and provide post-implementation support across global teams.

Lead design and implementation of production-grade stablecoin infrastructure: key management, transaction signing, gas fee handling, mint/burn/transfer lifecycle, multi-chain ledgering, and integration with FX and payment systems. Collaborate across product, infrastructure, and compliance to deliver secure, auditable services.

The Backend Software Engineer will develop and maintain backend systems for data processing related to coffee farming, utilizing Python and PostgreSQL. Responsibilities include feature development, problem-solving, and adapting systems to regulatory changes while ensuring system resilience.

Lead backend architecture and build scalable, high-concurrency services and APIs (Node.js) powering web and mobile. Own components end-to-end, manage CI/CD and infrastructure (IaC, containers, cloud), improve reliability, and collaborate with PM/design to deliver core features like live interactions and checkout.

The role involves back-end development using .NET Core and SQL, contributing to Jibble 2.0 API integrations, and collaborating with product and design teams.

Build and optimize backend systems for a massive-scale search stack: web crawling, embedding model training, high-throughput data pipelines, and a custom vector database to serve low-latency, large-scale search.

Build and operate production backend systems powering AI features. Design inference pipelines, orchestration layers, and model service boundaries while optimizing latency, throughput, caching, batching, and streaming. Monitor reliability through logging, alerting, and incident response, and develop stable APIs for mobile, desktop, frontend, and machine learning integrations. Debug distributed systems under load and continuously improve performance based on production behavior.

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.

Build and operate Coupang's security infrastructure, focusing on a dynamic authorization engine. Design and implement large-scale distributed systems, write backend APIs (Java/Go), collaborate across teams to drive platform adoption, ensure operational excellence, and lead technical projects.

Design, build, and maintain backend APIs and services for a real-time supply chain visibility platform. Own system architecture, real-time event ingestion, data normalization, ML integration, monitoring, and production debugging while collaborating with Product and Data Science to deliver scalable, high-availability features.

As a Backend Engineer at Trust Wallet, you'll develop backend features for multiple platforms, maintain infrastructure, ensure system monitoring, and foster team growth.

Design, develop, and deploy backend software solutions, create scalable systems, and collaborate with product managers and engineers on product development.

Lead design and implementation of backend services and distributed systems for real-time AI automation. Build scalable, observable microservices, streaming data pipelines, and async event-driven architectures. Collaborate across frontend, product, and DevOps to ensure performance, reliability, and seamless integration at scale.

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

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

The role involves owning product feature development, participating in system design, and maintaining software performance in an agile setting.

Design and build backend systems and APIs for Arta's financial services, collaborating with product and ML teams to optimize reliability and performance. Responsibilities include making architectural decisions and using AI tools effectively for code quality.

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.

Design and build greenfield backend payment services using Java/Spring Boot. Implement high-throughput, low-latency APIs (REST/gRPC), event-driven flows, PCI DSS compliant handling, observability, CI/CD and containerized deployments. Contribute React UI for tooling, integrate FX/treasury data where needed, and apply LLM/agentic features into production workflows.

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

The Senior Back-End Developer builds and maintains server-side operations for cloud solutions, collaborating with teams to deliver software, support users, and document features.

Design and build cloud-native backend microservices and distributed systems to orchestrate a global fleet of robots. Develop real-time APIs and data pipelines, drive DevOps and infrastructure-as-code, ensure observability, resilience, security, and compliance (ISO27001, SOC2, GDPR) for production systems at scale.

Design, develop, and optimize high-performance backend services for payment processing and transaction switching. Integrate with card schemes (Visa, Mastercard, Amex, UPI), support Base24-eps migrations on Linux/Cloud, ensure PCI-DSS compliance, perform troubleshooting and performance tuning, document architectures, and collaborate with QA, frontend, banks, vendors, and payment partners.

Lead design and implementation of scalable, reusable backend systems and APIs for customer-growth products. Drive architecture, performance tuning, security, CI/CD, and mentor engineers while collaborating with cross-functional teams to deliver reliable, high-performance services.

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.