Real-World Engineering.
Measurable Product Impact.
Explore in-depth technical case studies written from the front lines of software architecture. Discover how DCPL Tech’s dedicated teams in Kolkata take over legacy platforms, engineer high-availability web applications, and build multi-year engineering partnerships.
Featured Case Studies
Detailed architectural breakdowns and business outcomes
Autonomous Multi-Vendor Document AI & Multilingual RAG Pipeline
How DCPL Tech engineered a high-precision, privacy-first Document AI engine for an international enterprise: normalizing 10+ irregular vendor invoice templates across English and French, tracking 10-epoch machine learning training via Weights & Biases, and deploying local quantized LLMs on NVIDIA CUDA GPUs inside a 340+ package Azure Docker container.
Ekata: Multi-Tier Accounting & Property Management ERP for Large Residential Societies
How DCPL Tech engineered a configurable society ERP from first principles—treating owners as independent financial ledgers, binding multiple property assets, calculating dynamic cumulative penalties on arrears, and managing 5+ years of live continuous billing across 700+ flats, shops, and offices at Labony Estate, Kolkata following a 60-day migration sprint.
HotLunch: School Catering & Online Meal Ordering Platform (Aurora)
How DCPL Tech took over Aurora’s flagship HotLunch school meal ordering platform in 2009, modernized its inherited legacy architecture using asynchronous AJAX calendar workflows, and sustained continuous product engineering across a 5-year dedicated team partnership (2009–2014).
Turnkey Post-Sales Financial & Milestone Payment Tracking System
How DCPL Tech partnered with NK Realtors in 2012, authored a comprehensive SRS through offline stakeholder discovery, engineered a configurable on-premises payment milestone engine, supported live operations for over a year, and executed a seamless handover to NK Realtors' in-house IT team in 2013.
Asklepia Health: Cross-Platform Flutter Doctor Teleconsultation & Mobile Booking Platform
How DCPL Tech transitioned to 100% Work-From-Home after 11 years in-office, rapidly engineered the Asklepia Health humanitarian telemedicine platform using Flutter for iOS, Android, and Cloud in months during the 2020 pandemic peak, powered thousands of remote consultations, and executed a seamless handover in 2022.
High-Concurrency Web3 Fantasy Sports Platform & NFT Marketplace on Zilliqa
How DCPL Tech partnered with funded US startup Ultimate Franchise Fantasy Sports (UFFS) in mid-2020: mastering Scilla smart contracts during lockdown, engineering high-concurrency real-time auction engines on Kubernetes, scaling staking platforms, and executing a seamless handover upon 2023 brand acquisition.
H2 Technology: Bespoke ASP.NET Support Ticketing & Internal Operations System
How DCPL Tech collaborated with the CTO of Sydney-based H2 Technology across a 5-year partnership (2012–2017): maintaining and enhancing their internal bespoke ASP.NET Web Forms support ticketing system through on-demand ticket batching, support call intake, engineer dispatch, and granular time log registration without the overhead of fixed retainers.
Our Engineering Principles
Every project undertaken by DCPL Tech follows technical standards established by our leadership in Kolkata.
Pragmatic Product Takeover
We do not arbitrarily scrap existing code. We systematically audit architecture, encapsulate working business logic, and refactor bottlenecks in-flight with zero disruption to active business operations.
Long-Term Knowledge Retention
Through our dedicated team model, software understanding compounds over time. Our engineers become genuine domain experts who understand the historical “why” behind your product architecture.
Active Technical Direction
Our CTO and senior architects actively guide development, evaluate emerging technologies objectively, and ensure that software is engineered for high concurrency, security, and sustained scalability.
Upcoming Case Studies
Additional engineering retrospectives currently in documentation by our CTO
Automated borrower scoring, multi-tier risk syndication, and compliant loan disbursement.
High-concurrency online examinations, low-bandwidth audio-visual proctoring, and automated evaluation.
IoT sensor stream ingestion, automated routing, and geospatial fleet optimization.
Discuss Your Product Architecture with our CTO
Whether you are inheriting a complex codebase, planning a SaaS platform, or seeking a dedicated engineering team in Kolkata with a proven multi-year track record, let's discuss your requirements.