Backend Software Engineer – Go and AWS

Toku Ltd.; Singapore; Hybrid; SGD 80,000 - 120,000; Full time

Benefits offered by this job

Training and Development

Discretionary Yearly Bonus & Salary …

Healthcare Coverage based on location

20 days Paid Annual Leave plus other

Job summary

Toku Ltd. is seeking a Backend Software Engineer focused on Go and AWS to build and evolve our cloud communication platform. You will design and maintain backend APIs, contribute to telephony-related features, and help modernize services toward event-driven architectures.

You’ll work with Kafka and AWS SQS, implement reliability improvements, and own production systems from development through on-call incident response. This role is based in Singapore and involves on-site collaboration.

Qualifications

• Background in building backend services and APIs for cloud platforms.
• Experience with telephony-related backend features and messaging services recommended.
• Familiarity with event‑driven architectures and Kafka/AWS SQS preferred.

Responsibilities

• Build, maintain, and improve backend services and APIs powering the communications platform.
• Develop and support telephony-related backend modules including call flows and IVR logic.
• Investigate issues, fix defects, and incrementally improve system reliability and stability.

Skills

Go

AWS

Backend APIs

Kafka

Event-driven

MySQL

Cloud platform

Production monitoring

On-call rotation

Platform modernization

Tools

AWS SQS

MySQL

Job description

Home » Backend Software Engineer – Go and AWS

Backend Software Engineer – Go and AWS

At Toku, we create bespoke 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 and deliver mission‑critical CX through 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 operating at scale. Headquartered in Singapore, Toku supports customers across APAC and beyond, with a growing footprint across global markets.

This role is a hands‑on backend engineering position focused on the services that power Toku’s communications platform. You will primarily work in Go to maintain and evolve backend APIs and platform modules supporting telephony capabilities such as call flows, IVR logic, and messaging services. A key part of the role involves understanding and improving existing platform services while contributing to ongoing modernisation efforts, including architectural improvements and the evolution toward event‑driven systems. You will thrive in this role if you enjoy reasoning through complex systems, improving production software, and contributing to the long‑term evolution of a large‑scale communications platform.

What you will be doing

• Backend services & APIs: Build, maintain, and improve backend services and APIs that power Toku’s communication platform.
• Telephony platform features: Develop and support backend modules related to call flows, IVR logic, and inbound and outbound telephony functionality.
• Platform maintenance & improvement: Investigate issues, resolve defects, and incrementally improve existing services to strengthen system reliability and stability.
• Event‑driven systems: Develop and maintain backend services that use event‑driven architecture, including Kafka and AWS SQS.
• Cloud platform development: Design and operate backend services on AWS using cloud‑native design principles.
• Database integration: Implement backend data interactions using relational databases, primarily MySQL.
• Production ownership: Monitor system behaviour, review logs, troubleshoot incidents, and maintain reliable production services.
• On‑call support: Participate in an engineering on‑call rotation (approximately one week every six weeks) responding to production incidents raised by NOC or internal teams.
• Platform modernisation: Contribute to ongoing improvement and redesign of platform services, supporting architectural evolution and increased adoption of event‑driven systems.
• Engineering collaboration: Work closely with engineers across product engineering squads to deliver platform improvements and support adjacent initiatives.

We’d love to hear from you if you have

• Backend services & APIs: Build, maintain, and improve backend services and APIs that power Toku’s communication platform.
• Telephony platform features: Develop and support backend modules related to call flows, IVR logic, and inbound and outbound telephony functionality.
• Platform maintenance & improvement: Investigate issues, resolve defects, and incrementally improve existing services to strengthen system reliability and stability.
• Event‑driven systems: Develop and maintain backend services that use event‑driven architecture, including Kafka and AWS SQS.
• Cloud platform development: Design and operate backend services on AWS using cloud‑native design principles.
• Database integration: Implement backend data interactions using relational databases, primarily MySQL.
• Production ownership: Monitor system behaviour, review logs, troubleshoot incidents, and maintain reliable production services.
• On‑call support: Participate in an engineering on‑call rotation (approximately one week every six weeks) responding to production incidents raised by NOC or internal teams.
• Platform modernisation: Contribute to ongoing improvement and redesign of platform services, supporting architectural evolution and increased adoption of event‑driven systems.
• Engineering collaboration: Work closely with engineers across product engineering squads to deliver platform improvements and support adjacent initiatives.

What would you get?

• Training and Development
• Discretionary Yearly Bonus & Salary Review
• Healthcare Coverage based on location
• 20 days Paid Annual Leave plus other leave allowances

Toku has been recognised as a LinkedIn Top Startup and by the Financial Times as one of APAC’s Top 500 High Growth Companies. If you’re looking to be part of a company on a strong growth trajectory while working on meaningful, real‑world challenges, we’d love to hear from you.