System Integrator Engineer (2 to 4 Years)

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Bangalore, Bengaluru Urban, Karnataka, IND
In-Office
Mid level
Fintech • Financial Services
The Role
Develop and maintain Java services interacting with RESTful APIs. Use IDE AI assistants to navigate and refactor legacy code, write unit tests, and decompose complex features into AI-optimized workflows. Apply networking fundamentals to application design and craft precise prompts for AI-driven development tasks.
Summary Generated by Built In

About PhonePe Limited:

Headquartered in India, its flagship product, the PhonePe digital payments app, was launched in Aug 2016. As of April 2025, PhonePe has over 60 Crore (600 Million) registered users and a digital payments acceptance network spread across over 4 Crore (40+ million) merchants. PhonePe also processes over 33 Crore (330+ Million) transactions daily with an Annualized Total Payment Value (TPV) of over INR 150 lakh crore. 


PhonePe’s portfolio of businesses includes the distribution of financial products (Insurance, Lending, and Wealth) as well as new consumer tech businesses (Pincode - hyperlocal e-commerce and Indus AppStore Localized App Store for the Android ecosystem) in India, which are aligned with the company’s vision to offer every Indian an equal opportunity to accelerate their progress by unlocking the flow of money and access to services.


Culture:

At PhonePe, we go the extra mile to make sure you can bring your best self to work, Everyday!. And that starts with creating the right environment for you. We empower people and trust them to do the right  thing. Here, you own your work from start to finish, right from day one. PhonePe-rs solve complex problems and execute quickly; often building frameworks from scratch. If you’re excited by the idea of building platforms that touch millions, ideating with some of  the best minds in the country and executing on your dreams with purpose and speed, join us!

 
Key Responsibilities
  • Write clean, maintainable Java code adhering to core Object-Oriented Programming (OOP) principles and efficient control flow.
  • Consume and interact with external RESTful web services using Java libraries such as HttpClient or RestTemplate.
  • Utilize IDE-based AI coding assistants (e.g., GitHub Copilot, Cursor) to navigate legacy codebases, debug errors, write unit tests, and refactor logic.
  • Craft structured, context-rich prompts to generate production-ready code and summarize complex technical documentation.
  • Decompose multi-step, complex feature requirements into clear execution steps optimized for AI workflows and agents.
  • Apply core networking fundamentals, including URL structures, HTTP/HTTPS port protocols, and web service communication, to application design.
Qualifications & Requirements
  • Java Mastery: Demonstrated command of core Java syntax, data types, control structures, and OOP principles (Inheritance, Polymorphism, Encapsulation, Abstraction).
  • API & Networking: Solid understanding of REST API architecture, HTTP communication, URL formatting, and hands-on experience using Java HTTP clients.
  • Modern Developer Tooling: Practical experience using Cursor, GitHub Copilot, or similar IDE assistants in a daily software development workflow.
  • Prompt Engineering & Workflows: Ability to formulate precise technical prompts and break down instructions for multi-step AI task execution.

Excellent verbal and written communication skills with the ability to present complex technical information clearly and concisely to a variety of audiences.

Past experience with startups and fast paced environments is an added advantage

PhonePe Full Time Employee Benefits (Not applicable for Intern or Contract Roles)

  • Insurance Benefits - Medical Insurance, Critical Illness Insurance, Accidental Insurance, Life Insurance
  • Wellness Program - Employee Assistance Program, Onsite Medical Center, Emergency Support System
  • Parental Support - Maternity Benefit, Paternity Benefit Program, Adoption Assistance Program, Day-care Support Program
  • Mobility Benefits - Relocation benefits, Transfer Support Policy, Travel Policy
  • Retirement Benefits - Employee PF Contribution, Flexible PF Contribution, Gratuity, NPS, Leave Encashment 
  • Other Benefits - Higher Education Assistance, Car Lease, Salary Advance Policy

Our inclusive culture promotes individual expression, creativity, innovation, and achievement and in turn helps us better understand and serve our customers. We see ourselves as a place for intellectual curiosity,  ideas and debates, where diverse perspectives lead to deeper understanding and better quality results. PhonePe is an equal opportunity employer and is committed to treating all its employees and job applicants equally; regardless of  gender, sexual preference, religion, race, color or disability. If you have a disability or special need that requires assistance or reasonable accommodation, during the application and hiring process, including support for the interview or onboarding process, please fill out this form.

Read more about PhonePe on our blog.

Life at PhonePe

PhonePe in the news

Skills Required

  • 2-4 years of software development experience
  • Strong core Java knowledge (syntax, OOP principles, data types, control structures)
  • Experience with REST API architecture and Java HTTP clients (HttpClient, RestTemplate)
  • Practical experience using IDE AI assistants (GitHub Copilot, Cursor, or similar) in daily development
  • Ability to craft structured technical prompts and decompose multi-step AI workflows (prompt engineering)
  • Experience writing unit tests, debugging, and refactoring legacy code
  • Understanding of networking fundamentals (URL structures, HTTP/HTTPS, ports, web service communication)
  • Excellent verbal and written communication skills
  • Past experience with startups and fast-paced environments

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The Company
HQ: Bengaluru
1,000 Employees
Year Founded: 2015

What We Do

PhonePe was founded in December 2015 and has emerged as India’s largest payments app, enabling digital inclusion for consumers and merchants alike. With 48 crore (480 Million) registered users, one in four Indians are now on PhonePe. The company has also successfully digitized 3.6 crore (36 Million) offline merchants spread across Tier 2,3,4 and beyond, covering 99% of the postal codes across India. PhonePe is also the leader in Bharat Bill Pay System (BBPS), processing over 45% of the transactions on the BBPS platform. PhonePe forayed into financial services in 2017, providing users with safe and convenient investing options on its platform. Since then, the company has introduced several Mutual Funds and Insurance products that offer every Indian an equal opportunity to unlock the flow of money and access to services. PhonePe was recently recognized as the Most Trusted Brand for Digital Payments as per the Brand Trust Report 2023 by Trust Research Advisory (TRA).

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