Job Description

About Circles
Founded in 2014, Circles is a global technology company reimagining the telco industry with its SaaS platform - Circles X, helping telco operators launch and operate successful digital brands through its offerings.

Having pioneered a successful blueprint for disrupting the telco space in Singapore, Circles has since launched its own digital telco, Circles.Life, in Singapore, Taiwan and Australia. Circles has also partnered with other telco operators to launch digital services, enabling our partners to accelerate growth and capture market share within a short period of time.

Today, Circles is partnering with operators in 14 countries to deliver delightful digital experiences to millions of people through our businesses.

We are backed by global investors such as Sequoia, Warburg Pincus, EDBI and Founders Fund – renowned backers of industry-shaking innovators.

Job Description
Key Responsibilities:

• Contribute to the design and implementation of scalable, distributed systems that meet the demands of millions of consumers globally.
• Take ownership of critical services within microservices architecture, delivering features and projects while ensuring timelines, quality, and performance metrics are consistently met.
• Partner with Product Managers, Designers, and other stakeholders to deeply understand business requirements and ensure alignment between engineering and product outcomes.
• Define and promote engineering best practices for software development, CI/CD, and DevOps, ensuring systems are reliable, secure, and maintainable.
• Actively participate in post-production support processes, ensuring robust monitoring, incident response, and continuous improvement.
• Actively support other engineers by contributing to a culture of learning and innovation through technical guidance and mentorship.

Job Requirements

• Bachelor’s or Master’s in Computer Science, Software Engineering, or equivalent.
• 5+ years of relevant programming experience with GoLang or Node.js, with a demonstrated track record of successfully managing diverse deliveries.
• Strong design and architectural experience in building scalable and highly available products and services (millions of consumers).
• Comprehensive understanding of all SDLC activities, including analysis, design, development, testing, deployment, and support.
• Extensive experience with backend technologies, including RESTful APIs, microservices, distributed systems, and asynchronous event-driven architectures.
• In-depth knowledge of backend technology stacks, including HTTP protocols, API design, relational and NoSQL databases, Linux systems, and containerization technologies (e.g., Docker, Kubernetes).
• Experience optimizing system reliability, scalability, and performance for backend systems.
• Proficiency in GoLang and Node.js is required. Familiarity with Ruby on Rails (RoR), ReactJS, and other modern frameworks is a strong plus.
• Experience working in Agile delivery environments, with a focus on iterative, incremental development.
• Hands-on experience with DevOps practices, CI/CD pipelines, and cloud platforms such as AWS, emphasizing automation and reliability.
• Excellent verbal and written communication skills, with the ability to effectively convey technical concepts to technical and non-technical stakeholders.

What’s On Offer
We provide a great environment and platform for employees to build their career. In this role, you can expect:

• Unique opportunity to be a part of innovating the telecommunications industry.
• Once in a lifetime chance to help shape a brand from the ground up.
• Autonomy in the role and in managing your own portfolio.
• Exposure to the fast-paced world of high-tech start-ups.
• Attractive experience and compensation.
• Working with passionate, smart and driven colleagues in a vibrant environment.
• Get continuous mentoring to fast-track your career.