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Toku

Senior Software Engineer – Distributed Systems

Toku

Senior Backend Engineer designing, building and operating distributed systems for cloud communications solutions at Toku. Contributing to critical backend services and architecture improvements with a focus on scalability and reliability.

Posted 7/27/2026full-timeRemote • 🇲🇾 MalaysiaSeniorWebsite

Tech Stack

Tools & technologies
AWSCassandraCloudDistributed SystemsDynamoDBGoGrafanaKafkaMicroservicesNoSQLPrometheusRabbitMQRedisSQL

About the role

Key responsibilities & impact
  • Design, build and evolve robust backend services and APIs that power Toku's cloud communications platform.
  • Design and develop scalable distributed systems and microservices.
  • Build and evolve event-driven systems using technologies such as Kafka, AWS SQS, RabbitMQ.
  • Develop backend integrations connecting Toku's platform with external communication providers and asynchronous workflows.
  • Develop and operate backend services on AWS using modern cloud-native engineering principles.
  • Contribute to technical direction, challenge existing designs, improve architecture and help evolve backend systems.
  • Own backend systems in production, including monitoring and troubleshooting.
  • Contribute to the ongoing modernisation of backend services.
  • Design and optimise SQL-based data models, ensuring performance, correctness and scalability.
  • Write clean, maintainable and well-tested code, and participate actively in design discussions, code reviews and technical decision-making.
  • Proactively identify technical debt and opportunities for improvement.

Requirements

What you’ll need
  • Strong hands-on experience designing, building and operating production backend systems.
  • Strong practical experience developing production backend services in Go.
  • Experience designing or operating distributed systems, microservices and backend architectures.
  • Practical experience working with technologies such as Kafka, AWS SQS, RabbitMQ or similar messaging and event-streaming platforms.
  • Experience designing, building and integrating production APIs and backend services.
  • Strong cloud engineering fundamentals.
  • Strong SQL knowledge including schema design, query optimisation and production data management.
  • Experience with NoSQL technologies such as DynamoDB, Cassandra or Redis is advantageous.
  • Experience operating production systems, including monitoring, troubleshooting, incident response, performance optimisation and continuous reliability improvements.
  • Demonstrated ability to improve existing systems, influence technical direction and proactively solve engineering problems rather than simply delivering assigned tasks.
  • Experience with observability and monitoring tools such as Grafana, Prometheus, OpenTelemetry, Datadog or similar technologies.

Benefits

Comp & perks
  • Flexible work arrangements