Full Stack Software Developer

About Nautilus SIP Pte Ltd

Nautilus Network Solutions is currently seeking a full-time , Software Developer to join our innovative team in a remote capacity. Since 2012, Nautilus has been a trusted provider of cloud-based telecommunication solutions across Southeast Asia and in over 100 countries, serving a diverse range of clients from government agencies to fintech enterprises.

The Role

Nautilus is seeking a dedicated Full Stack Software Developer to manage the end-to-end lifecycle of our specialized SaaS contact center solutions, CRM System, reporting dashboards, and integrated billing systems. In this role, you will be responsible for engineering and sustaining robust frontend and backend architectures while steering critical system designs, overarching technical strategies, and complex architectural initiatives.

Back End Responsibilities

• Design, build, and optimize scalable server-side applications, database schemas, and APIs (RESTful, GraphQL, RPC).
• Write clean, testable code and enforce application security best practices.
• Integrate backend systems with frontends and third-party services.
• Manage CI/CD pipelines, logging, monitoring, and production system health.
• Participate in code reviews, technical documentation, system design, and on-call rotations.
• Collaborate cross-functionally and keep updated on backend technologies.

Front End Responsibilities

• Develop responsive, high-performance UIs using HTML, CSS, JavaScript, and modern frameworks.
• Translate designs into dynamic UI elements while ensuring cross-browser compatibility.
• Integrate with RESTful APIs and debug frontend issues.
• Apply testing strategies, Git workflows, and agile practices.
• Collaborate with designers and backend teams, contribute to code reviews, and maintain UI style guides.

Qualifications & Skills

• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
• Minimum of 3–5 years of professional experience in full-stack development.
• Strong proficiency in Go and PHP (Laravel v8+).
• Experience with Protocol Buffers and gRPC.
• Experience with frontend frameworks such as ReactJS.
• Required Technology stack: JavaScript / TypeScript · Node.js · React.js· React Native · MySQL · HTML / CSS
• Expertise in AWS services (EC2, RDS, S3) and containerization (Docker, Kubernetes).
• Solid understanding of software engineering principles, data structures, and algorithms.
• Excellent problem-solving, debugging, and communication skills.

Good to Have

• Experience building SaaS, CRM, contact center, communication, or enterprise software platforms.
• Practical experience with cloud communication, VoIP, SIP, telephony, PBX, or contact center technologies.
• Familiarity with Asterisk, Twilio, WebRTC, SIP, or real-time communication systems.
• Experience developing microservices and distributed systems using Go, gRPC, Protocol Buffers, or similar technologies.
• Experience with event-driven architectures, message queues, and asynchronous processing such as RabbitMQ, Kafka, or Redis.
• Knowledge of AWS services beyond EC2, RDS, and S3, including Lambda, ECS/EKS, CloudWatch, API Gateway, and ElastiCache.
• Experience with Kubernetes orchestration, Docker, infrastructure automation, and cloud-native deployments.
• Familiarity with CI/CD tools and DevOps practices, including GitHub Actions, GitLab CI/CD, Jenkins, or similar platforms.
• Experience with React Native and mobile application development for Android and iOS.
• Understanding of real-time technologies such as WebSockets, Server-Sent Events, or Socket.IO.
• Experience designing high-volume, highly available, and fault-tolerant systems.
• Familiarity with security standards and practices, including OAuth 2.0, OpenID Connect, JWT, SSO, RBAC, API security, and OWASP principles.
• Experience with performance optimization, database indexing, caching, profiling, and system scalability.
• Exposure to observability and monitoring platforms such as Prometheus, Grafana, ELK/OpenSearch, or similar tools.
• Experience working in Agile/Scrum environments and collaborating with product managers, QA engineers, UI/UX designers, and DevOps teams.
• Open-source contributions, technical certifications, or a strong GitHub/technical portfolio are an advantage.

What We Offer

• Competitive Salary: Starting salary ranges from SGD 2,000 to SGD 2,200+, with performance-based increments after six months and yearly reviews.
• Flexible Work: Options for hybrid or remote work settings.
• Comprehensive Benefits: Upto 14 days of Annual leave, 14 days of sick leave, and annual wellness benefits (gym/fitness/Optical).
• Growth Opportunities: Work on challenging, high-impact projects in a collaborative and supportive environment.

How to Apply

Ready to innovate with us? Please submit your updated CV and a cover letter to HR at [email protected]. Ensure the subject line is "Application for Full Stack Software Developer."