Top Backend Developer Jobs in Singapore

Develop end-to-end product features across frontend and backend, integrate AI coding tools into daily workflow, mentor peers, improve cross-team efficiency, and contribute across the full product lifecycle from design to deployment.

Join a business-critical internal tools team as a Software Engineering Intern building and automating internal tools and workflows. Contribute production-quality backend and frontend code, work with databases and SQL, collaborate on system design, participate in code reviews, and gain exposure to large-scale production systems and AI-enabled automation where applicable.

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 and build backend microservices for real-time fraud detection, transaction monitoring, and risk analysis. Integrate ML models and risk scoring engines, support scalable distributed systems, and leverage AI-assisted development and LLM/agent tools for risk automation.

Senior QA Automation Engineer responsible for designing, building, and maintaining Rust/Java-based automated test frameworks. Participate across the SDLC to create test plans, execute black-/white-box, security, performance, and mobile testing, diagnose root causes, and improve testing processes. Collaborate with engineers, PMs, designers, and operations to ensure system reliability across web, desktop, and mobile platforms. Apply AI models in testing where applicable and coordinate with global stakeholders in English and Mandarin.

Design, build, and maintain scalable, high-concurrency backend systems for a decentralized wallet. Develop distributed services, optimize JVM/multi-threading performance, integrate APIs and messaging systems, collaborate on architecture, and explore AI/LLM solutions.

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.

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

Develop and maintain scalable backend systems, implement APIs, manage databases, and collaborate with stakeholders to deliver AI solutions.

The role involves architecting and implementing robust Java backend solutions, optimizing performance, leading projects, and collaborating with multiple teams while ensuring code quality.

Build and operate distributed backend services and genomic reasoning engines that combine whole genome bioinformatics with AI. Design scalable data models, retrieval and vector search systems, and deterministic guardrails to ensure scientifically accurate, explainable genomic AI for production use.

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.

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.

Join a small team to improve a tech product aimed at upskilling users in MENA, working with JavaScript and Node.js in a collaborative remote environment.

As a Backend Engineer, you will design scalable APIs, create Engineering Requirement Documents, and build test suites for product analytics and performance.

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.

Design, build, and operate cloud-native backend microservices and distributed systems for a global robot fleet. Develop real-time APIs, data pipelines, and observability; drive DevOps, IaC, CI/CD, security, backup, and disaster recovery to ensure scalable, reliable, and compliant operations.

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.

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, build, and own scalable, secure microservices and hybrid cloud/on-premise solutions using .NET (.NET Core/.NET 6). Lead architecture, integrations, CI/CD and TDD practices, leverage containerization (Docker), collaborate cross-functionally, and integrate agentic AI tools to accelerate development and validate AI-generated code.

The Principal Software Engineer will develop AI tools to enhance developer productivity and manage AI project execution across teams.