Founded in 2014, Circles is a global technology company reimagining the telco industry with its innovative SaaS platform, empowering telco operators worldwide to effortlessly launch innovative digital brands or refresh existing ones, accelerating their transformation into techcos. Today, Circles partners with leading telco operators across multiple countries and continents, including KDDI Corporation, Etisalat Group (e&), AT&T, and Telkomsel, creating blueprints for future telco and digital experiences enjoyed by millions of consumers globally. Besides its SaaS business, Circles operates three other distinct businesses: Circles.Life: A wholly-owned digital lifestyle telco brand based in Singapore, Circles.Life is powered by Circles’ SaaS platform and pioneering go-to-market strategies. It is the digital market leader in Singapore and has won numerous awards for marketing, customer service, and innovative product offerings beyond connectivity. Circles Aspire: A global provider of Communications Platform-as-a-Service (CPaaS) solutions. Its cloud-based Experience Cloud platform enables enterprises, service providers and developers to deliver and scale mobile, messaging, IoT, and connectivity services worldwide. Jetpac: Specializing in travel tech solutions, Jetpac provides seamless eSIM roaming for over 200 destinations and innovative travel lifestyle products, redefining connectivity for digital travelers. Jetpac was awarded Travel eSIM of the Year. Circles is backed by renowned global investors, including Peak XV Partners (formerly Sequoia), Warburg Pincus, Founders Fund, and EDBI (the investment arm of the Singapore Economic Development Board), with a track record of backing industry challengers. Job Title - Principal Software Engineer Role - Principal Engineer with people management (Java background) Location Sri Lanka About the Role We seek a highly accomplished Principal software Engineers with extensive experience in Spring and React to join our distinguished team. This pivotal role requires a seasoned professional to act as both a hands-on technical lead and a people leader. The individual will be responsible for managing and mentoring a team of developers, driving project execution, and maintaining robust technical oversight. They will also work closely with our esteemed clientele to deliver sophisticated and resilient solutions. We require a candidate with exceptional analytical prowess, unwavering drive, and meticulous attention to detail. The ideal candidate will be a collaborative leader with a visionary mindset, capable of challenging existing paradigms and shaping future strategic directions. This position presents a unique opportunity to lead high-impact projects, manage engineering talent, and engage directly with senior leadership. Key Responsibilities Oversee the professional development, performance management, and career progression of direct reports, ensuring a high-performing and motivated team. Define and align the team's technical roadmap and execution strategy with broader organizational goals, ensuring timely delivery of high-quality software. Lead the hiring process, including interviewing and onboarding, to strategically scale the engineering team. Manage team capacity, project assignments, and resource allocation to effectively meet business objectives. Build and maintain complex enterprise-level applications utilizing the Java Spring framework and React. Collaborate strategically with cross-functional teams to elicit requirements, provide expert technical guidance, and ensure the successful execution of projects. Mentor and guide junior developers, fostering their professional growth and contributing to the overall advancement of the development team. Conduct rigorous code reviews to ensure adherence to industry best practices and established coding standards. Diagnose, debug, and optimize applications to achieve peak performance. Maintain a comprehensive understanding of emerging trends and technologies within the Java Spring, React, and web development ecosystems. Requirements Bachelor’s degree in Computer Science, Software Engineering, or a closely related discipline. Minimum of 10 years of progressive professional experience in software development, with proven experience managing an engineering team of at least 10 members Advanced proficiency in Java and extensive expertise with the Spring Framework Proven experience in designing and implementing RESTful APIs. Substantial experience with database technologies, both SQL and NoSQL. Working knowledge of cloud platforms, preferably AWS or Azure. Exceptional problem-solving and analytical capabilities. Outstanding communication skills and the ability to excel in a client-facing environment. Demonstrated experience with Agile/Scrum development methodologies. What We Offer Highly competitive compensation package commensurate with experience. Opportunity to lead challenging projects for a diverse portfolio of clients. Comprehensive professional development and training programs. Flexible work arrangements. Comprehensive health insurance benefits. We invite highly motivated and accomplished professionals passionate about developing cutting-edge web applications and leading a high-impact engineering team to apply. Circles is committed to a diverse and inclusive workplace. We are an equal opportunity employer and do not discriminate on the basis of race, national origin, gender, disability or age. Data Protection and Privacy Statement By submitting an application for this position, you, as the applicant, or your authorised representative(s), consent to Circles’ Candidate Data Protection and Privacy Policy. You also agree to the collection, use, and/or disclosure of your personal data by us solely for recruitment purposes as specified in the Policy. You acknowledge that you have read and understood the Policy, are aware of your rights regarding your personal data, and accept the terms relating to international data transfers, where applicable. You further understand that you may withdraw consent at any time, which may affect our ability to consider your application. In instances where your personal data or application is submitted by a third party, it is understood that such third party has been duly authorised by you to disclose the relevant personal data and provide consent on your behalf, and that you have been made aware of this Policy. To all recruitment agencies: Circles will only acknowledge resumes shared by recruitment agencies if selected in our preferred supplier partnership program. Please do not forward resumes to our jobs alias, Circles, employees or any other company location. Circles will not be held accountable for any fees related to unsolicited resumes not uploaded via our ATS. Founded in 2014, Circles is a global technology company reimagining the telco industry with its innovative SaaS platform, empowering telco operators worldwide to effortlessly launch innovative digital brands or refresh existing ones, accelerating their transformation into techcos. Today, Circles partners with leading telco operators across multiple countries and continents, including KDDI Corporation, Etisalat Group (e&), AT&T, and Telkomsel, creating blueprints for future telco and digital experiences enjoyed by millions of consumers globally. Besides its SaaS business, Circles operates three other distinct businesses: Circles.Life: A wholly-owned digital lifestyle telco brand based in Singapore, Circles.Life is powered by Circles’ SaaS platform and pioneering go-to-market strategies. It is the digital market leader in Singapore and has won numerous awards for marketing, customer service, and innovative product offerings beyond connectivity. Circles Aspire: A global provider of Communications Platform-as-a-Service (CPaaS) solutions. Its cloud-based Experience Cloud platform enables enterprises, service providers and developers to deliver and scale mobile, messaging, IoT, and connectivity services worldwide. Jetpac: Specializing in travel tech solutions, Jetpac provides seamless eSIM roaming for over 200 destinations and innovative travel lifestyle products, redefining connectivity for digital travelers. Jetpac was awarded Travel eSIM of the Year. Circles is backed by renowned global investors, including Peak XV Partners (formerly Sequoia), Warburg Pincus, Founders Fund, and EDBI (the investment arm of the Singapore Economic Development Board), with a track record of backing industry challengers.

Principal Software Engineer (Backend).

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