Headline

Software Engineer | Backend & Platform Systems | Billing, Cloud & Scalable APIs

About

Software Engineer with 4+ years of experience building and operating production-grade backend systems with high ownership. Currently working on a large-scale billing platform serving ~180K users, owning features end-to-end from requirements and system design to deployment and production support. Strong experience in backend development, authentication and authorization (including SSO), billing and payments, background processing, cloud infrastructure, and database design. Known for reducing ambiguity, executing reliably, and building systems that scale in real-world conditions. Interested in applied machine learning and ML engineering, with prior academic exposure to ML concepts and a focus on integrating ML into production systems over time.

Location

Greater Bengaluru Area

AI stack

claude code

github copilot

kimi

mcp

opencode

GroqCloud

Work experience

Full Stack Engineer at Stealth Startup, Mar 2024 - Present · 2 yrs 6 mos, India, - First engineering hire in India; contributed to building the company’s core product from zero to production. - Worked directly with Product Owner to translate business requirements into technical tasks and system designs. - Designed and implemented authentication and authorization systems, including AWS Cognito and enterprise SSO integrations. - Built and maintained a billing and payments engine, ensuring correctness, reliability, and production stability. - Developed reporting and export pipelines for operational and business use cases. - Implemented background processing and automated system tasks (cron-based workflows). - Owned cloud infrastructure setup, deployments, and maintenance for production environments. - Managed database design, schema migrations, and data integrity across releases. - Reviewed pull requests, mentored peers, and conducted technical knowledge-sharing sessions. - Supported and operated a live production system serving ~180K registered users with monthly active billing traffic. - Delivered features in an environment with no dedicated QA, ensuring quality through design, testing, and careful rollouts.

Software Engineer at Wrench, Inc., Jul 2023 - Jan 2024 · 7 mos, Hybrid, - Contributed to development and maintenance of large-scale web applications across three Angular codebases (AngularJS, Angular 14, Angular 16). - Owned frontend architecture and feature delivery across multiple production applications. - Implemented Single Sign-On (SSO) enabling seamless authentication across three company platforms. - Delivered multiple business-critical modules including Asset Management, Incentive Management, and Admin Dashboards, improving operations team productivity by ~30%. - Built a chat-based order processing workflow similar to e-commerce platforms, projected to increase inbound leads by ~40%. - Independently implemented localization and internationalization across three codebases, supporting US and Australian English. - Collaborated closely with mobile application teams (Flutter – Android & iOS) to align APIs and cross-platform workflows. - Improved build and system performance by optimizing frontend tooling, reducing build time from ~10 minutes to ~2 minutes. - Deployed applications across test, staging, and production environments using Jenkins CI/CD pipelines. - Actively participated in debugging production issues, performance optimization, and code reviews.

Frontend Developer at Wrench, Inc., Jun 2022 - Jul 2023 · 1 yr 2 mos, Bengaluru, Karnataka, India

Full Stack Developer at MountBlue Technologies, Feb 2022 - Jun 2022 · 5 mos, Bengaluru, Karnataka, India, - Built full-stack web applications using the MERN stack, focusing on clean APIs and maintainable code. - Integrated Paytm Payment Gateway to enable secure online payment acceptance. - Implemented OAuth-based authentication to simplify user login and registration flows. - Designed role-based access control, enabling automatic routing for employees and customers. - Implemented subscription-based access tiers, supporting three pricing levels for customers. - Built a video upload pipeline from employee-facing applications to Azure Blob Storage, enabling secure access for customers. - Strengthened foundations in backend APIs, authentication, payments, and cloud storage integrations.

Education

BTech - Bachelor of Technology, Computer Science, SRM IST Chennai

Intermediate Exams, Science, Krishan Anand Memorial Academy- Asarganj

Public links

github: https://github.com/arunishshekhar