Software Development Engineer Backend

Juspay — Bangalore

₹4–6 LPA (HireSetu estimate) · Entry level · Freshers eligible · Full-time · onsite

HireSetu listing reference 0664b1 · employer requisition BE01 — confirm requirements below, then apply on the employer site.

Quick answer: Backend work at a payments company in Bangalore where the core logic is written in a functional language, on systems carrying hundreds of millions of transactions a day. The framework-building angle counts for more here than API plumbing.

From Juspay's job posting

Bangalore

_

Juspay offers a modular and interoperable product suite for merchants that includes open-source payment orchestration, seamless authentication, payment tokenization, fraud & risk management, global payouts, end-to-end reconciliation, unified payment analytics, and more. For banks, Juspay’s offerings include end-to-end white label payment gateway solutions & real-time payments infrastructure._

What you’ll be doing?

You’ll be working on the core problems pertaining to our centers of excellence. Each of our Centres of Excellence balance the dual of Framework Development (The Ideal) and Business Enablement

(The Practical)

1. SDK: Building UI/UX experiences that enable frictionless user payments and enable merchants to manage payment options seamlessly.

  • Frictionless 1-Click Payment with Native payment page
  • Incorporating React Markups in ‘Presto’ (proprietary UI framework)

2. Backend: Business Logic to handle evolving payment requirements (UPI, Integrations, Authentication) flexibly

  • Biggest FP company with entire business logic in FP
  • Concise Expression of complex Payment Logic
  • API Integrations

3. Data Science: Intelligence from more than a billion transactions to enable automated and intelligent payment operations

  • Intelligent traffic routing
  • Self-Healing systems
  • Automatic Anomaly Detection
  • Intelligent Payment Assist
  • AI-powered Payment Operations
  • Aesthetic Visualization of Data

4. Infrastructure: Reliable and 99.999% Available infrastructure which can power the payments for India.

  • Multi-DC Architecture
  • Infrastructure DSL for unified management at scale
  • Distributed computing in Edge devices

Apply if you are

  • Enthusiastic about architecting expensive framework using deep functional programming languages
  • Interested to solve reliability & performance problems which occur with large scale
  • Passionate about developing low code & no code platforms whiten a framework to streamline & accelerate application development
  • Empowered to incorporate self service, features in application development, enabling end users to efficiently modify and customize their applications as needed
  • Excited about managing merchants (big & small) with zero issues

What’s in it for you?

Welcome to Day0!

  • You will hit the ground running with the focus on mission-critical projects & the development of the next generation frameworks
  • Working on challenging problems which will put you to your best
  • Dive into a development journey anchored in first principles thinking & progress into a skilled system architect, inspired by the growth of our
  • DUI/Hyper SDK team
  • Learn from the best, unleashing your potential for ten fold growth

The employer’s company overview, benefits and equal-opportunity statement are left out here; they are on the original posting.

Text from Juspay's official job posting, formatted by HireSetu. The employer's own page is the final word on details.

HireSetu's note

The bar is depth in one functional language

The listing names four centres of excellence: SDK, backend, data science, infrastructure. The "apply if you are" list underneath is the real filter. Architecting frameworks in a deep functional language, holding reliability and performance at large scale, building low-code tooling merchants can adjust themselves. That's framework engineering, closer to language and platform design than to wiring up endpoints.

If your backend experience is Java or Python services with a framework doing the heavy lifting, and functional programming means map, filter and lambda, this will feel steep. Production code in Haskell, Scala, Clojure, Elixir or Erlang, plus opinions on type design and where side effects belong, is the profile that reads this posting and shrugs.

A fresher with one substantive functional-language project can hold their own. A senior with only object-oriented experience has to prove the other half.

Purity in the code, failure in the system

In a functional codebase, state is explicit and side effects sit at the edges. Coming from object-oriented work, revise recursion, higher-order functions, algebraic data types, and how errors get carried as values. Write something small in the language you'd pick and read an open-source service written in it. Code from people who think this way looks unfamiliar for a week and then reads fast.

Then revise failure. At hundreds of millions of transactions a day, a timeout, a duplicate callback or a bank going down mid-transaction is a normal Tuesday. Idempotency, retries, exactly-once delivery, consistency between services and graceful degradation are the vocabulary of that problem. Payments exposure helps, but the systems thinking is the transferable part, and it surfaces in how you describe something you have already built.

Drafted with AI from Juspay's job posting and checked by Prashanth Jakkula before publishing. See our Editorial Policy.

How to apply

  1. Open Juspay's careers site with the Apply button.
  2. Follow the application steps on the site and upload your resume.
  3. Keep the confirmation email or application number for follow-up.

Apply on Juspay's site

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