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SP INFOTECH

Development

Open Source Customization Services in Kolkata

Open source gets you 80% of the way for a fraction of the cost. We build the other 20% — the custom modules, integrations and hardening that turn a generic install into software shaped around how your business actually runs.

Developer editing open source application code on a computer screen
Category
Development
Delivered from
Kolkata, West Bengal
Team
100% in-house

Customisation that survives the next update

The most common failure we are called in to repair is a site where somebody edited core files directly. It worked, until the next security update overwrote everything and the site broke — often at the worst possible moment.

We never touch core. Customisation goes into child themes, purpose-built plugins and documented hooks, so your platform can take security patches indefinitely without losing a single modification. That discipline costs slightly more on day one and saves a rebuild on year two.

Security hardening for platforms that are constantly probed

WordPress powers a huge share of the web, which makes it a permanent target for automated attacks. Default installations are scanned within hours of going live. We harden every deployment: current PHP versions, forced SSL, correct file permissions, disabled file editing, login rate limiting with two-factor authentication, a web application firewall, malware scanning and off-site automated backups with tested restores.

If you have arrived here after being hacked, we also do clean-up: malware removal, backdoor auditing, Google blacklist removal and a hardened rebuild of the compromised layer.

Making open source talk to the rest of your business

Most of the value in a customisation project sits in the integrations — pushing leads into your CRM, syncing stock with Tally, connecting a payment gateway, wiring up WhatsApp or SMS notifications, or exposing a clean API for your mobile app. We build these as maintainable modules with error handling and logging, not as fragile scripts nobody can debug later.

Technologies we work with

  • WordPress
  • WooCommerce
  • Magento
  • Odoo
  • Drupal
  • PHP
  • MySQL

What's included

Our open source customization capabilities

Everything below is delivered by our own team — nothing is subcontracted out.

WordPress Development

Custom themes, bespoke plugins, multisite and headless WordPress builds.

Magento & WooCommerce

Extension development, performance tuning and version upgrades.

Odoo & ERPNext

Module customisation, workflow configuration and data migration.

Joomla & Drupal

Component development, template design and migration to modern stacks.

Security Hardening

Malware removal, firewall setup, backup automation and patch management.

Performance Tuning

Caching, database optimisation, CDN configuration and asset delivery.

Open Source Customization across Kolkata and West Bengal

We deliver open source customization for businesses throughout West Bengal — including Kolkata, Howrah, Salt Lake (Bidhannagar), New Town, Durgapur, Asansol, Siliguri and Kharagpur — with engineers who can attend site where the work genuinely needs someone present. For development and digital projects we also work with clients across India, the UK, Europe and the USA.

FAQs

Open Source Customization — your questions answered

Straight answers to what clients ask us before they commit.

Not the way we build it. All changes live in child themes and separate plugins that use documented hooks, so core and plugin updates apply cleanly without overwriting your customisations.

Related services

More development services

Start a conversation

Ready to move forward with open source customization?

A clear recommendation, a realistic timeline and an honest price — including when the simplest answer is the cheapest one.

Office
RN 506, Siddha Esplanade, 6 Jawaharlal Nehru Road, Kolkata, West Bengal 700013, India
Hours
Monday – Saturday, 10:00 AM – 7:00 PM IST

Our Clients

We work with the companies that have established a stainless reputation in what they do. They are leaders in various spheres of business, and we appreciate cooperating with them.

International Institute of Hotel Management logo
CenturyPly logo
Geological Survey of India logo
Indian Defence emblem
TVS logo
Client logo
Client logo
Simoco Telecommunications (South Asia) Limited logo
CEVA logistics logo
Anand Shreeji logo
aquatica india logo