Senior BackEnd Engineer | Node.js, Python

Bangalore Urban, Karnataka, India


Mumbai, Maharashtra, India


Ernakulam, Kerala, India


Ernakulam





Bachelor of Technology, Computer Engineering
Amrita Vishwa Vidyapeetham

Class XII, Mathematics and Computer Science
Central Board of Secondary Education
Join Rajath and 10k+ other professionals on
Tal is the app where bosses meet engineers & builders directly, without middlemen
Download Tal BossSenior BackEnd Engineer | Node.js, Python
Backend Engineer with proven experience and love for building, innovating and scaling. Helped numerous startups build robust products from scratch by taking up different roles from all things development related to all things product/project management related. Software enthusiast who spends time learning what goes on behind the beautiful and fast responsive applications of the world.
Bengaluru
claude code
n8n
openai
ChatGPT
Lead Backend Developer at Openigloo, Oct 2024 - Present · 2 yrs 1 mo, Bangalore Urban, Karnataka, India, Responsibilities at Openigloo included: - Designed, developed, and maintained a lot of the backend architecture for Openigloo which included their Review Platform, NYC Open Data Reports Platform, Leasing Platform. - Collaborated directly with Founders, Product Managers, Designers, AI engineers and Frontend engineers to build the core backend for the leasing side of the business. - Optimized user-facing backend infrastructure to support growing B2C traffic, successfully implementing vertical scaling strategies to reduce horizontal scaling dependencies and cut operational costs. - Spearheaded the transition to an "agentified" codebase by implementing standardized LLM rules, agent configuration files, and Model Context Protocol (MCP), enabling the engineering team to leverage AI for consistent code generation. Architected and optimized core backend systems for the leasing platform, including: - An ETL pipeline that aggregates open listings from partner networks into our central marketplace. - Scalable, customer-facing APIs to power the primary listings site. - A conversational chatbot that automates apartment tour bookings for potential renters. - A custom CRM enabling broker agents to manage the end-to-end lifecycle from initial tour to lease signing. Spearheaded key platform engineering and infrastructure initiatives: - Decreased API latency by implementing Redis caching, optimizing database queries, and fine-tuning WSGI (Gunicorn) server configurations for load balancing. - Integrated critical third-party services, including Stripe (payments), Plaid (bank verification), Firebase (user management), and Loops/Klaviyo (notifications). - Fortified platform security by deploying firewall rules to block aggressive bot scraping. - Successfully consolidated multiple microservices (building, reviews, reports) and migrated their databases into a unified monolith within 2 months using Claude to reduce operational overhead. and cut infra costs by 50 percent
Back End Developer at Openigloo, Oct 2024 - Present · 2 yrs 1 mo, Lead Backend Engineer with 7+ years of experience building products from scratch alongside founders at 3 startups. Worked closely with founding teams, designers, frontend and AI engineers to take products from idea to launch, including Openigloo's leasing platform with an internal CRM and AI chatbot, and Fancraze's Matchday Challenges fantasy game, now one of its main revenue sources. Also own the systems once they grow, scaling Openigloo from 1,000+ to 100,000+ users and later cutting infrastructure costs by 50%. Set up Openigloo's AI-assisted codebase with Claude Code, standardizing how the engineering team uses AI to write code. Core stack: Python (Django), Node.js/TypeScript, PostgreSQL, MongoDB, Redis and AWS.
Senior Backend Developer at FanCraze, Jun 2022 - Jun 2024 · 2 yrs 1 mo, Mumbai, Maharashtra, India, Responsibilities at Fancraze included - design, development and maintenance of the backend systems for core features of the product - leading teams consisting of backend, frontend and quality assurance engineers - collaborating with product teams to build robust and user friendly features quickly Collaborated with the team to build and maintain the backend services for the core features of Fancraze like the MARKETPLACE where collectible trading happens, FLASH and SETS which are fantasy games played using the collectibles and many more. https://www.fancraze.com/ Led the development efforts for fantasy sports game FC5 played using the famed NBA Topshot collectibles, bringing the collectors of NBA Topshot even closer to the real live game experience. Architected and developed various aspects of the product ranging from the backend design, database design, fantasy scoring system, the game creation flow by the admins, team submission flow by the customers, the reward distribution system etc. https://www.fc5.app/ Architected and built the in-house Notification Service with integration to different notification channels like Email, SMS, Whatsapp, In-App. Later extended the system to allow marketing teams to build dynamic templates and trigger notifications for marketing campaigns from the in-house admin tool. Actively contributed to optimising and scaling up APIs, database queries and large data processing systems in the platform to cut down costs and improve user experience.
Back End Developer at FanCraze, Jun 2022 - Jun 2024 · 2 yrs 1 mo, Collaborated with the founding team to design, develop and maintain backend services for core features of Fancraze like MARKETPLACE for collectible trading, Matchday Challenges and SETS which were fantasy games played using the collectibles.
Fullstack/Backend Developer at SurveySparrow, Sep 2019 - Feb 2022 · 2 yrs 6 mos, Ernakulam, Kerala, India, Responsibilities at SurveySparrow included - design, development and maintenance of the core features of the product(both Frontend and Backend) - led the development efforts with small teams for various core features of the product like the Billing System, Response Dashboard etc. - collaborated with the founders and product teams to build robust, scalable and user friendly features quickly Billing System Individually designed and developed dynamic billing system integrated to Stripe enabling sales team to carefully design and sell new subscription plans to customers with zero engineering help(a huge contrast to how things were done earlier). Achieved boost in customer sales by 20% as sales teams were able to dynamically change plans provided to customers based on changing market trend with zero down time and zero developer support. Import Service System Led the design and development efforts to build a generic import system for use throughout the Surveysparrow platform. The service was extended to implement features like importing contacts to send out surveys, importing responses captured in other platforms to Surveysparrow for customers migrating to our platform etc. Constantly took initiative to improve the SurveySparrow platform in terms of customer experience as well as developer experience by working on the following: - Database tasks like schema design, query analysis, query optimisation and database administration. - Set up an independent pluggable redis caching layer at route level to serve data faster and reduce response time of the application - Improved platform security by implementing csrf tokens, proper security and cookie headers, strong password policies etc. - Set up dynamic automated documentation page for API routes using Swagger Open API and Hapi -Swagger js library to ensure up to date API documentation for customers, partners and developers.
Back End Developer at SurveySparrow, Sep 2019 - Feb 2022 · 2 yrs 6 mos, Designed and developed a dynamic, pluggable billing service integrated with Stripe that seamlessly integrated into multiple company products. Empowered the sales team to independently create and adjust subscription plans based on market trends, boosting sales by 20% with zero downtime and no engineering overhead.
Software Engineer at Cognizant, Jan 2018 - May 2019 · 1 yr 5 mos, Ernakulam, Responsibilities at Cognizant included: - learning and contributing to the overall development efforts for the data analytics platform AlinIQ - worked on building various features for data warehouse system belonging to the client Abbott in the pharmaceutical space. AlinIQ Informatics Platform Responsible for the development of the ETL System for an Informatics Platform AlinIQ, an application to analyze and monitor data to uncover actionable insights to improve laboratory performance for the client Abbott Technologies. Contributed to the design, development and optimisation of the ETL Data Warehouse for storing the enormous patient diagnostic data from Abbott's numerous labs and hospitals.
Bachelor of Technology, Computer Engineering, Amrita Vishwa Vidyapeetham
Class XII, Mathematics and Computer Science, Central Board of Secondary Education
github: https://github.com/rajathgunners