Senior Software Engineer (Java/ Golang)

260 Circles Life Asia Technology Pte. Ltd; Bengaluru; On-site; INR 1,200,000 - 1,800,000; Full time

Benefits offered by this job

Telco exposure

Startup culture

Competitive pay

Mentoring

Job summary

Circles is seeking a Senior Software Engineer - Backend to join our engineering team in Bangalore. You will build and optimize backend services using Java and Golang, focusing on performance, scalability, and reliability for our CXOS Telco operating system.

Ideal candidates have 5+ years of backend experience, hands-on DB skills (MariaDB/MySQL, MongoDB), and a strong grasp of modern frameworks such as Spring Boot, along with testing and code-review discipline. Join a fast-paced startup culture.

Qualifications

• Degree in Computer Science, Software Engineering or equivalent.
• Minimum 5+ years industrial experience with backend focus.
• Hands-on development in Java and Golang.
• Experience with MariaDB/MySQL; NoSQL (MongoDB) advantageous.
• Familiarity with Spring Boot and modern design patterns.
• Excellent communication and team collaboration.

Responsibilities

• Develop new features and modify existing ones for the Telco OS.
• Write comprehensive automated tests (Unit/Integration/Journey) for the features.
• Write performant code and incorporate code review feedback from seniors.
• Participate in R&D work as per capability requirements.
• Document design details (APIs, diagrams) under guidance.
• Support production issue troubleshooting to meet SLAs.

Skills

Java

Golang

Education

Degree in Computer Science or equivalent

Tools

Spring Boot

MariaDB

MySQL

MongoDB

Job description

Job Title

Senior Software Engineer - Backend - ( Golang/ Java)

Location: Bangalore

Job Details

As a Software Engineer II at Circles, you'll be a part of a world class software engineering team developing innovative capabilities into our CXOS Telco operating system that is disrupting the Telco industry. You will also be hands-on with the non-functional aspects of the software you are developing including perf & scale, security and many more.

Are you looking to accelerate your career 10x getting your hands dirty with the latest technologies, best practices and processes in the software industry today, then this opportunity is just for you...!

Job Responsibilities

• Develop new features as well as modify existing features to meet the constantly involving requirements of our Telco operating system as we expand globally.
• Write comprehensive automated tests (Unit Tests, Integration Tests, Journey Integration tests) for the features you are developing.
• Write performant code and constantly incorporate the code review feedback provided by senior developers into the features you are assigned to work on. Utmost attention to detail and quality in all work assignments.
• Participate in R&D work as per the requirements of a capability.
• Actively participate in all team discussions and contribute effectively to those discussions.
• Document the design details (APIs, various design diagrams etc.) under the guidance of senior developers.
• Support during production issue troubleshooting activities to ensure smooth operation of our live customer environments meeting customer SLAs.

What’s on offer

• 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.
• 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.

Requirements

• Degree in Computer Science, Software Engineering or equivalent.
• Minimum 5+ years industrial experience with a focus on backend engineering.
• Hands-on development experience in either Java, Golang.
• Hands-on development experience with Relational DBs, preferably in MariaDB or MySQL.
• Experience with NoSQL DBs such as MongoDB will be advantageous.
• Usage of AI tool for coding.
• A good understanding of commonly used Software Design Patterns.
• Excellent communication skills and team working skills.
• Experience in modern frameworks such as Spring Boot will be an advantage.

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.

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.