Serving Kolkata, India remotely

SaaS developer in Kolkata

SaaS demand in Kolkata often starts with schools, colleges, coaching classes and nursing homes that collect fees and appointments by hand. I build multi-tenant products with a workspace per institution, parent and staff roles, fee and subscription billing, Bengali and English screens, and an admin console. I work remotely from India on the Kolkata clock, and you own the code and accounts.

Based in India and working remotely: no office in Kolkata, and video calls at times that suit you. Kolkata and I are both on UTC+5:30, so there is no time-zone difference and the working day overlaps in full. Many Kolkata offices, schools and clinics work Monday to Saturday, and some corporates Monday to Friday; calls are set around your pattern, including the long Durga Puja holiday period when many businesses slow down.

$400K+
Monthly ad spend managed
500+
Global brands scaled
12+
Years in performance marketing
22–30x
Peak ROAS (healthcare / IVF)

SaaS product development for Kolkata businesses

Fee collection is the heart of a school product: a fee structure by class, instalments with due dates, concessions, receipts carrying the school's name, and a reminder before each date. Each school is a tenant, and each parent sees only their own child's ledger, which is tested directly. Reminders go by e-mail, and by WhatsApp only to parents who agreed. Payments come through Razorpay, whose UPI and card options parents already use. Reconciliation is the unglamorous part: every online payment and every cash entry lands in the same ledger, so the accountant closes the month without a side spreadsheet.

Bengali text needs care in a product: fonts that render the script cleanly on inexpensive phones, search that works for both Bengali script and Roman spellings, and forms that accept names in either. The calendar matters too. Admission windows, result weeks and the Durga Puja holidays move the load, so I schedule large sends and billing runs away from them and test the system on the busiest expected day. Support staff are often away for days around Puja, so the admin console lets a school fix common things itself, such as resetting a parent login or reissuing a receipt.

Nursing homes and clinics around Park Street and Ballygunge need appointment books, reminders and referral tracking, built so that one clinic's patients never appear in another's workspace. Traders in Burrabazar and engineering units around Howrah need quotation and order tools more than patient tools, with catalogues shared as WhatsApp links. Teams in Salt Lake Sector V that sell abroad add Stripe for card payments. The DPDP Act 2023 applies to student and patient data, so consent is stated plainly. I have no office in Kolkata, and meet in person only if you arrange it.

Working with a remote specialist from Kolkata

Time zone
Kolkata and I are both on UTC+5:30, so there is no time-zone difference and the working day overlaps in full. Many Kolkata offices, schools and clinics work Monday to Saturday, and some corporates Monday to Friday; calls are set around your pattern, including the long Durga Puja holiday period when many businesses slow down.
How projects there are usually paid
Kolkata businesses mostly pay by NEFT, RTGS or cheque to a bank account, with UPI for smaller sums. Traders and companies expect a GST invoice with the supplier's GSTIN, and some deduct TDS, so I suggest settling invoicing details in the quote. Local currency: INR.
Languages
English, Bengali, Hindi
Rules that apply
The Digital Personal Data Protection Act, 2023 applies to student and patient data collected on enquiry forms, so purpose and consent should be stated clearly.

What SaaS product development covers

Product
the first working version of your SaaS, live on hosting in your name.
Accounts
sign-up, login, password reset, workspaces, invitations and roles.
Isolation
customer data separated per workspace, with tests that try to break it.
Billing
plans, subscriptions and failed-payment handling through your payment provider.
Admin console
customer search, plan changes, trials and support tools for your team.
Tracking
sign-up, activation and upgrade events in Analytics, ready for ad campaigns.

SaaS developer in Kolkata: questions

Yes. Each ledger belongs to a student record tied to a parent login, the server returns nothing else, and a test signs in as one parent and tries to open another child's account.

I schedule bulk sends and billing runs around the holidays and the admission window, and test the busiest expected day, so a spike does not meet a thinly staffed week.

I add spelling variants so a search in Roman letters finds Bengali-script entries and the reverse. The variant list is reviewed with someone who speaks Bengali.

A tightly scoped first version, with accounts, one core workflow, billing and an admin screen, often takes six to ten weeks. It depends on the number of integrations and how quickly you can decide and review, and I give a schedule with the quote.

If an existing tool already does the job for your customers, use it or white-label it. A custom SaaS makes sense when the workflow is distinct, when you want to sell it, or when the existing tools cannot be adapted. I will tell you which case you are in.

Yes. Bengali is my native language, along with fluent Hindi and professional English, so I can discuss the project and write or edit Bengali page and ad copy myself.

More for Kolkata

How the work runs

  1. 01

    Define the one job

    A discovery call and a one-page brief: who the first customer is, what job the product does for them and what they will pay for.

  2. 02

    Cut the scope

    A first-version feature list, a parked list in priority order, and the plan and billing rules written in plain words.

  3. 03

    Design accounts and data

    Workspaces, roles, plans and the data model, drawn and agreed before building starts.

  4. 04

    Build the core

    Sign-up, workspaces, the core workflow, billing and the admin console, delivered in weekly slices on a staging link.

  5. 05

    Test isolation and money

    Cross-customer and wrong-role tests, billing event tests with a payment provider's test mode, and device checks.

  6. 06

    Launch and learn

    Production setup, tracking, monitoring, backups, a recorded walkthrough and 30 days of fixes while the first users arrive.

SaaS developer for Kolkata: get a quote

Tell me the goal; you get a plain answer and a fixed quote, usually within one working day.

Fastest reply on WhatsApp — usually within a couple of hours.

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SaaS Developer in Kolkata | Sunny Guha