Software Engineer I

Software Engineer I

Location- Sri Lanka

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.

About the Role

We seek a highly skilled and experienced Junior Full-Stack Java Developer (Spring & React) to join our dynamic team. This role requires a blend of technical expertise and client-facing skills, as you'll be working closely with our clients to deliver high-quality, robust solutions. We are looking for someone who possesses good analytical skills, energy, drive and attention to details. The ideal candidate will be a team player with a forward-thinking mindset, ability and confidence to challenge the status quo to define future visions. You will be given a unique opportunity to work with high impact projects and interact directly with senior leadership.

Key Responsibilities

• Design, develop, and maintain complex applications using Java Spring framework and React
• Collaborate with team members to gather requirements, provide technical insights, and ensure project success
• Lead the development of scalable and efficient backend services using Java Spring
• Create responsive and interactive user interfaces using React and related technologies
• Mentor junior developers and contribute to the overall growth of the development team
• Participate in code reviews and ensure adherence to best practices and coding standards
• Troubleshoot, debug, and optimize applications for maximum performance
• Stay updated with the latest trends and technologies in Java Spring, React, and web development

Requirements

• Bachelor's degree in Computer Science, Software Engineering, or a related field
• Minimum 3  years of professional experience in software development
• Strong proficiency in Java and extensive experience with Spring Framework (Spring Boot, Spring MVC, Spring Security)
• Expert-level knowledge of React, including state management (e.g., Redux, MobX) and React Hooks
• Experience with RESTful API design and implementation
• Solid understanding of front-end technologies (HTML5, CSS3, JavaScript ES6+)
• Familiarity with build tools (e.g., Maven, Gradle) and version control systems (e.g., Git)
• Experience with database technologies (SQL and NoSQL)
• Knowledge of cloud platforms (preferably AWS or Azure)
• Excellent problem-solving and analytical skills
• Strong communication skills and ability to work effectively in a client-facing role
• Experience in Agile/Scrum development methodologies

Preferred Qualifications

• Experience with microservices architecture
• Knowledge of containerization technologies (Docker, Kubernetes)
• Familiarity with CI/CD pipelines
• Experience with test-driven development (TDD) and automated testing frameworks
• Contributions to open-source projects