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.
Circles.Life Staff Engineer
Staff Software Engineer (Backend - Java Focus)
Location: Bangalore (Hybrid)
The Opportunity
As a Staff Software Engineer (Backend), you will serve as a critical technical leader, setting the architectural direction and operational standards for our most impactful, high-scale services. You will directly influence engineering excellence across multiple teams, drive the delivery of complex features, and ensure the reliability and security of the core Circles X platform. This role requires deep systems thinking, a relentless focus on quality, and a passion for mentoring the next generation of technical leaders.
Key Responsibilities
Technical Leadership & Architecture
Define Technical Strategy: Establish and drive the long-term technical vision and architectural roadmap for core backend services within your domain.
Design & Delivery: Lead the design and implementation of highly-scalable, highly-available, and secure microservices, primarily using Java/Spring Boot.
Platform Enablement: Architect and build reusable libraries, frameworks, and technology platforms that address common, multi-use cases across the engineering organization.
Drive Excellence: Define, enforce, and advocate for engineering best practices, coding standards, and systematic thinking across the platform group.
Operational Excellence & Reliability
Service Ownership: Hold end-to-end service ownership, responsible for the performance, security, availability, scalability, and other “ilities" of all microservices under your purview.
SLA/SLO Champion: Own and drive operational readiness, constantly improving the SLO, SLI, and SLA of relevant production services.
Deep-Dive Problem Solving: Lead complex incident management, performing rigorous Root Cause Analysis (RCA), executing immediate reactive fixes, and implementing robust long-term solutions.
Support: Provide expert-level L3 engineering support to resolve the most challenging production issues.
Mentorship & Collaboration
Raise the Bar: Provide technical mentorship, coaching, and guidance to engineers across the team, actively removing roadblocks and fostering an inclusive, high-performance culture.
Cross-Functional Partnership: Collaborate seamlessly with Product Managers and Designers stakeholders to translate business requirements into technical deliverables and ensure alignment on timelines.
Requirements
Experience - 10+ years in software development, including significant technical leadership or lead roles.
Core Technology - Expert proficiency in Java and server-side frameworks like Spring Boot. Experience with other languages (Node.js, Golang) is a plus.
Architecture- Strong design and architectural experience building high-scale, highly available products and distributed microservices platforms.
Databases - Hands-on experience with both NoSQL & SQL Databases (MySQL, PostgreSQL, MongoDB, Redis).
SDLC Mastery- Deep understanding of the entire Software Development Life Cycle (SDLC): Analysis, Design, Development, Testing, Deployment, and Post-Production Support.
Operational Focus- Proven ability to program at a system level and manage service stability; metric-driven mindset obsessed with quality, testing (unit/integration), and clean coding practices.
Mindset -Demonstrated ability for deep-dive problem-solving, systematic thinking, and effective prioritization while operating independently.
Preferred
Experience with messaging systems (e.g., RabbitMQ), log analysis (ELK Stack - Elasticsearch/Kibana), and product development within a microservices architecture.
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 StatementBy 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.
Top Skills
What We Do
Founded in 2014, Circles is a global technology company reimagining the telco industry with its SaaS platform - Circles X, empowering telco operators launch and operate successful digital brands. Today, Circles is partnering operators in 14 countries with the mission to deliver delightful digital experiences to millions of people through our businesses. With Circles.Life, our digital lifestyle brand, we empower and delight customers across the world by offering digital experiences that go beyond traditional telco services. With Circles X, our digital telco technology empowers operators to launch digital telco brands from anywhere in the world. Built for operators by an operator, Circles X powers both Circles.Life and our partner operators’ digital telco brands. Circles is backed by global investors such as Sequoia, Warburg Pincus, EDBI and Founders Fund – renowned institutions with a track record of backing industry-shaking innovators. To learn more, visit www.circles.co.
