Back End Engineer – Cloud and Microservices

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About Toku

At Toku, we create enterprise cloud communications and customer engagement solutions to reimagine customer experiences for enterprises. We provide an end-to-end approach to help businesses overcome the complexity of digital transformation in APAC markets and enhance their CX with mission-critical cloud communication solutions . Toku combines local strategic consulting expertise, bespoke technology, regional in-country infrastructure, connectivity and global reach to serve the diverse needs of enterprises.

About the Role

As Toku continues creating momentum for its products in the APAC region and helping customers with their communications needs, we are looking for a Backend Software Engineer with strong backend engineering expertise and full-stack capabilities to ensure the high quality and reliability of our cutting‑edge contact center and unified communication platforms, and contribute to the seamless delivery of exceptional customer experiences.

This is an impactful position during a growth phase for the business. You will be instrumental in shaping new processes, bringing new ideas and selecting tools in a collaborative and highly visible team environment. You will thrive in this role if you have a passion for quality, an eye for detail, and the experience to help excel a growing Engineering function to the next level.

What you will be doing

As a Backend Software Engineer , you will collaborate with stakeholders across the organization. Your primary focus will be on architecting and developing robust backend services and APIs , with the ability (but not must) to contribute to React‑based frontend experiences when needed. You’ll be taking ownership of end‑to‑end feature development while leading technical initiatives and designing scalable cloud‑native solutions.

Delivery

• Designing and implementing robust backend systems and APIs using Go, Python and TypeScript, ensuring they are scalable, secure, and maintainable.
• Architecting cloud‑native solutions on AWS, leveraging services like Lambda, API Gateway, DocumentDB, S3, and other serverless technologies.
• Leading the end‑to‑end development process, from initial backend design to deployment and monitoring in production environments.
• Building and maintaining RESTful APIs and event‑driven systems that power our communication platform.
• Proactively identifying bottlenecks and implementing solutions to improve the performance and scalability of our backend services.
• Contributing to React‑based frontend development when full‑stack capabilities are needed for feature completion.
• Utilizing monitoring tools and analytics to track system performance and make data‑driven improvements.
• Managing workload effectively, delivering projects on time while maintaining high quality and meeting project requirements.
• Communicating progress, challenges, and updates clearly with stakeholders to ensure alignment and transparency.
• Implementing clean, scalable, and well‑documented code with strong emphasis on backend architecture and API design.

Strategic Alignment

• Utilizing Go, Python and TypeScript to build and maintain core backend services, ensuring alignment with the company’s technical direction.
• Architecting microservices and serverless solutions on AWS that support the scalability and flexibility of our communication platform.
• Continuously monitoring emerging backend technologies and cloud‑native best practices, particularly in serverless computing, microservices, and API design.
• Leading backend architecture decisions and proposing solutions that align with strategic goals around performance, scalability, and reliability.
• Advocating for backend engineering best practices, including clean architecture, test‑driven development, and robust API design.
• Championing cloud‑first approaches and serverless architectures that optimize cost and performance.
• Aligning technical execution with broader goals around scalability, reliability, and continuous innovation.
• Proposing and implementing backend architectural improvements that future‑proof our platform.

Talent

• Actively contributing to raising the technical bar by sharing backend engineering knowledge, mentoring peers, and fostering continuous improvement.
• Providing guidance and mentorship to junior engineers, especially in backend development, API design, and cloud architecture.
• Leading junior engineers by example in backend problem‑solving, code reviews, and technical discussions.
• Championing backend engineering best practices like API documentation, service monitoring, and cloud security.
• Helping drive hiring decisions and contributing to technical onboarding processes.

Culture

• Engaging fully in cross‑functional collaboration, working closely with product management, design, DevOps, and customer support.
• Fostering teamwork by contributing to group discussions, brainstorming sessions, and collaborative problem‑solving.
• Contributing to a positive, inclusive, and supportive work culture where every team member feels valued and heard.
• Participating in and leading initiatives that enhance team morale, such as team‑building activities and knowledge‑sharing sessions.
• Embracing a culture of transparency, accountability, and continuous improvement.

Technical Excellence

• Demonstrating expert proficiency in backend development with Go, Python and TypeScript, and full‑stack capabilities using React.
• Applying extensive experience in Go for high‑performance backend services, Python (FastAPI), TypeScript/Node.js, React for frontend development, AWS cloud services, database design and optimization.
• Mastering cloud‑native architecture patterns such as microservices, serverless, and event‑driven systems.
• Applying best practices in backend system design, API development, and cloud deployment to deliver high‑quality, maintainable, and scalable solutions.
• Ensuring backend systems and APIs are reliable, performant, and secure, with proper monitoring and alerting.
• Leading by example in writing clean, efficient, well‑documented code, ensuring consistency across the team.
• Leading technical design discussions for backend architecture and raising the bar for reliability and maintainability.

We would love to hear from you if you have:

• A Bachelor’s or Master’s degree in Computer Science, Engineering, or related field (or equivalent practical experience).
• 3+ years of experience in software development, with strong focus on backend engineering and proven full‑stack capabilities.
• Expert proficiency in Python, Go, TypeScript, with solid React experience for full‑stack development.
• Deep expertise in backend architecture including RESTful APIs, microservices, event‑driven systems, and database design.
• Proven experience with AWS cloud services and serverless architectures, including Lambda, API Gateway, DynamoDB, S3, and infrastructure as code.
• Strong experience with modern Python frameworks (FastAPI) and Go for high‑performance services.
• Experience with TypeScript/Node.js for backend applications and React for frontend development.
• Understanding of cloud‑native design patterns and best practices for building scalable, resilient systems.
• Knowledge of database management systems, both relational and NoSQL, with optimization experience.
• Strong analytical and problem‑solving skills for complex backend system challenges.
• Excellent communication and collaboration abilities, with experience working in cross‑functional teams.
• Experience in CcaaS, CPaaS, Telco, or Voice‑related domains is a strong advantage.
• Must be Singaporean / PR.

Apply for this job

Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Engineering and Information Technology

Industries

Software Development

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