Abir Sarkar

Software Engineer

Kolkata, West Bengal, India5 yrs experience

Highly Stable

Key Highlights

Expert in architecting scalable backend systems.
Proficient in high-concurrency microservices development.
Strong background in cloud infrastructure and DevOps.

Stackforce AI infers this person is a Backend-heavy Fullstack Engineer specializing in SaaS and Mobile Development.

Contact

webdev.abir@gmail.com LinkedIn

Skills

Core Skills

Backend DevelopmentMicroservices ArchitectureCloud InfrastructureMobile Application DevelopmentBackend IntegrationWeb Application DevelopmentWeb Development

Other Skills

GoDjango REST FrameworkWebRTCAmazon Web Services (AWS)Google Cloud Platform (GCP)PythonFlutterDartFirebaseDjangoPHPMySQLCSSHTML5Svelte

About

As a Senior Software Engineer at Anhad Technocrafts, I focus on architecting enterprise-grade digital infrastructure, emphasizing high-concurrency backend systems built with Go and Django REST Framework. My role includes designing scalable microservices, implementing real-time communication protocols using WebRTC, and optimizing backend performance to meet industry standards. With an MPhil in Physics from Babasaheb Bhimrao Ambedkar University, my technical expertise spans backend development, scalable API design, and cloud platforms like AWS, GCP, and Linode. Values such as structural integrity, efficiency, and clean architecture guide my work, as I strive to deliver resilient, performant systems that align with organizational goals.

Experience

5 yrs

Total Experience

2 yrs

Average Tenure

11 mos

Current Experience

Illume ai innovations

Senior Systems Consultant (Part-time / Advisory)

Oct 2025 – Present · 6 mos · Kolkata, West Bengal, India · Hybrid

Part-time advisory role alongside a full-time Senior Systems / Backend Engineering position.
Provide architectural direction for enterprise AI platforms by aligning high-performance backend systems with cloud infrastructure and DevOps workflows. Advise on resilient server-side design in Go and Python, focusing on scalability, concurrency constraints, and low-latency APIs. Support CI/CD and container orchestration strategies to ensure AI-driven requirements are translated into stable, production-ready systems that balance performance, reliability, and developer velocity.

Amazon Web Services (AWS)Google Cloud Platform (GCP)GoPythonCloud InfrastructureBackend Development

Anhad technocrafts

Senior Software Engineer (Systems & Backend)

May 2025 – Present · 11 mos · Kolkata, West Bengal, India · Hybrid

Architecting and delivering enterprise-grade digital infrastructure with a primary focus on high-concurrency backend systems using Go and Django REST Framework. I lead the design of scalable microservices and real-time communication protocols, specifically leveraging WebRTC for low-latency data streaming and enhanced user connectivity. By applying advanced architectural patterns and optimizing system throughput, I drive the technical roadmap for complex full-stack deployments, ensuring that backend performance and mobile integration meet rigorous industry standards for stability and growth.

GoDjango REST FrameworkWebRTCBackend DevelopmentMicroservices Architecture

Self-employed

2 roles

Mobile Systems Engineer (Flutter)

Mar 2024 – Apr 2025 · 1 yr 1 mo · Kolkata, West Bengal, India · Hybrid

Independent Engineering Consultant
Led the technical design and architecture of high-performance, cross-platform mobile applications using Flutter and Dart. I focused on building scalable frontend architectures integrated with robust backend services, utilizing Firebase for real-time data synchronization and efficient state management via BLoC and GetX. My work centered on transforming complex business logic into performant mobile systems, overseeing the entire lifecycle from initial technical discovery to final deployment. By prioritizing clean code and modular design, I delivered resilient mobile solutions that emphasized system stability and seamless user engagement.

FlutterDartFirebaseMobile Application DevelopmentBackend Integration

Software Engineer (Systems & Backend)

Jan 2022 – Jan 2024 · 2 yrs · Kolkata, West Bengal, India · Hybrid

Independent Engineering Consultant
Executed end-to-end technical delivery for a diverse portfolio of enterprise-grade web applications and high-performance backend systems. I specialized in architecting scalable solutions using Python/Django and Go, alongside optimizing data-driven platforms via PHP and RDBMS. By managing the full development lifecycle - from schema design to deployment - I delivered complex e-commerce engines and business portals that prioritized system uptime and performance. My work involved bridging the gap between stakeholder requirements and technical execution, ensuring all platforms were built with clean, maintainable architecture and robust security protocols.

PythonDjangoPHPBackend DevelopmentWeb Application Development

Epic wings digital

Backend-Focused Web Engineer (PHP)

Dec 2020 – Dec 2021 · 1 yr · Kolkata, West Bengal, India · On-site

Engineered custom backend logic using PHP and MySQL to build modular themes and high-performance plugins. I focused on optimizing database queries and site architecture to minimize latency and improve system stability. Beyond core development, I scaled technical infrastructure by translating complex design requirements into performant frontend code and managed the full deployment lifecycle to resolve technical bottlenecks and ensure high availability for client platforms.

PHPMySQLCSSHTML5Backend DevelopmentWeb Development