Top Backend Developer Jobs in Singapore

Design, implement, and lead backend billing systems and microservices. Collaborate with product and cross-functional teams to build scalable, high‑concurrency, high‑availability billing and invoicing platforms, introduce new technologies, and establish team coding standards.

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.

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.

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.

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.

Design, develop, and maintain high-performance, secure Java backend services and APIs. Ensure reliability, scalability, and cost-efficiency across microservices, databases, messaging systems, and capacity planning. Troubleshoot, profile, benchmark, and optimize systems (including ML applications) and collaborate with Kazakhstan stakeholders.

Own and evolve an evaluation platform for AI systems, including automated regression analysis, quality gates, data governance, security, reusable SDKs, workflow APIs, observability, and reliability tooling. Build secure, auditable access patterns with PII masking and least-privilege controls. Apply machine learning and LLM techniques to replace brittle rules, while operating distributed systems and data infrastructure at scale.

Build and operate scalable backend services and APIs for an AI-driven legal platform. Responsibilities include asynchronous message-queue processing, document data pipelines, PostgreSQL schema and query optimization, authentication and authorization, search and vector storage integration, observability, automated testing, CI pipelines, technical design, production support, and on-call participation.

Develop and maintain backend services using Java, microservices, Spring Boot, REST APIs, AWS, and Kubernetes. Apply object-oriented programming, test-driven development, JUnit, build automation, and CI/CD practices. Collaborate with a leading client and communicate effectively with technical and business stakeholders. Candidates must be based in Singapore and able to start within four weeks.

Design, develop and maintain backend services for a cloud-based digital platform using Node.js and TypeScript. Build REST APIs, database schemas and optimised PostgreSQL queries; implement authentication/authorization, workflows, audit logging, reporting and integration readiness. Support CI/CD, database migration automation, deployment to AWS, and remediate security findings from SAST/DAST/VAPT.

Design and build AI agent applications, optimize retrieval systems, collaborate with teams, and explore new AI intelligence forms.

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.

As a Senior Software Engineer, you'll design and maintain backend systems for DNA sequencing instruments, develop APIs, and enhance engineering practices while mentoring junior staff.

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.

Design and build scalable, metadata-driven data pipelines, frameworks and services for AI/ML use cases. Lead end-to-end SDLC, deliver high-quality backend solutions, manage production support and CI/CD, collaborate with stakeholders, perform POCs, and drive process improvements and automation.

As a Senior Backend Developer at Awarri, you'll build and maintain backend systems for AI platforms, focusing on scalable architectures, data integration, and real-time communication.

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.

Take end-to-end ownership of backend features and SaaS services in a microservices architecture. Design, implement, deploy, and operate scalable, reliable Node.js services. Work with Redis Streams, MongoDB, Kubernetes, and ensure test coverage, performance tuning, and collaboration with cross-functional teams.

Lead end-to-end QA for Fiat/BigPay: plan tests, design and execute cases across App/Web/Backend/Admin, maintain Python pytest+k6 automation framework, drive feature and edge-case testing, and collaborate cross-functionally to close quality loops.

Build and operate backend services in Elixir/Phoenix handling real-time freight events, high-volume data, and reliability. Contribute to architecture, write production-ready tested code, improve tooling, participate in deployments/troubleshooting, and use agentic AI tooling responsibly. Optional front-end work with React/TypeScript for fullstack candidates.

Design, build, and optimize complex distributed backend systems using microservices, event-driven architectures, and cloud platforms. Responsibilities include architecture evolution, performance and reliability improvements, code reviews, automated testing, CI/CD, monitoring, cross-functional collaboration, project delivery, and mentoring junior engineers.