Ranjoy Ghosh

Ranjoy Ghosh

$50/hr
MEAN MERN AWS Development and architecture
Reply rate:
-
Availability:
Full-time (40 hrs/wk)
Age:
37 years old
Location:
Kolkata, West Bengal, India
Experience:
15 years
Engineering Manager | Full Stack Leader | eCommerce | MEAN | AWS | MERN RANJOY GHOSH- |-| https://www.linkedin.com/in/ranjoy-ghosh/ | Kolkata(Remote) ​ PROFESSIONAL SUMMARY ​ Collaborative leader dedicated to partnering with colleagues to foster an engaged, empowering work culture. Skilled in building relationships with diverse stakeholders in fast-paced settings, utilising scalable eCommerce, React/Next.js, Node.js, AWS, headless commerce, API platforms, and SEO. Increased cross-country sales by 25% by developing a high-availability headless eCommerce platform in 4 EU markets. Led global, cross-functional teams to create multi-site eCommerce portals using Node, Next, React, AWS, GA4, and GTM, with 14+ years of experience. Proven in boosting team performance by 20%, driving OKRs, and building AI solutions like a Carbon Footprint Calculator. Known for designing resilient systems and leading distributed teams for high-impact results. ​ SKILLS ​ Technical Skills: JavaScript, TypeScript, Node.js, React, Angular, Next.js, ES5/6/7, GraphQL, MongoDB, MySQL, RethinkDB, Elasticsearch, DynamoDB, MEAN Stack, Contentful, Headless APIs, RESTful Web Services, Riskified, Algolia, Nest, Micro Frontends, Resilience Engineering, Observability, Python, DSA, Problem Solving, System Design, OKR Framework, AI Integrations, Prompt Engineering (basic), Generative AI (exposure), AI-assisted Sprint Planning, OpenAPI Adoption & Governance, Java(basic), .NET Core(basic) DevOps & Tools: AWS, SonarQube, GTM, GA4, Optimizely, GitHub Actions, CI/CD Pipelines, OpenAPI, CodeRabit, COPilot, Cursor, Snyk, Asana, Jira, Miro, Confluence, Azure, Microsoft Project management, Crowdin, Algolia, Playwright, Cypress, Postman, Contenful, Cloudlab Leadership & Agile: Team Leadership, Agile Development, Time Management, Performance Management, Expectation Setting, Complex Problem-Solving, Verbal and Written Communication, Continuous Improvement of 1% daily, Full Stack Development, Agile environment, Communication Skills OKR Delivery & Impact – Drove key OKR initiatives such as: ●​ Sustainable Product Bundling: Launched multi-fulfiller box solutions, contributing to a 12% increase in average order value. ●​ Service Area Growth: Spearheaded “Grow Services” tracks across teams, unlocking 18% YoY improvement in platform feature adoption. ●​ Team Performance Optimisation: Improved sprint commitment-to-velocity ratio by 20% through structured mentoring and sprint hygiene practices. ●​ Employee-First Initiatives: Embedded psychological safety and mentorship layers across global teams, reducing attrition risk during appraisal season. AI & Innovation Exposure: Prompt Engineering (basic), Generative AI tools (exploration & PoC), AI-assisted Sprint Planning initiatives, ML-based Carbon Footprint Estimator, Workflow automation using OpenAI APIs, AI-readiness enablement for headless eCommerce platforms ​ AI & INNOVATION INITIATIVES ​ ●​ Built a Carbon Footprint Calculator integrating emission data models for personalised product sustainability scoring. ●​ Piloted the usage of an OpenAI-based backlog readiness checker to validate Jira stories, improving sprint predictability. ●​ Exploring NLP for sentiment tagging in team retrospectives to enhance psychological safety insights. ●​ Automated Product details page generation in CMS via Open AI and AI Agents ​ KEY ACHIEVEMENTS ​ Scaled Multi-Site eCommerce Platform: Led architecture and delivery of a high-performance, localised, headless eCommerce platform (React, Node.js, AWS) across multiple European markets, boosting load performance by 35% and SEO effectiveness across regions. Team Performance Growth: Improved sprint velocity-to-commitment accuracy by 20% across global teams by introducing focused mentoring, accountability cadences, and stronger sprint hygiene practices. OKR-Driven Product Impact: Drove critical OKRs, including “Grow Services” and “Curated Box Fulfilment,” resulting in a 12% increase in average order value and improved cross-sell success via bundled product strategies. Sustainability Innovation: Initiated and led the development of an AI-integrated Carbon Footprint Calculator to support the company’s circular economy program, adding ESG value to product recommendations. AI-Driven Delivery Readiness: Piloted the use of OpenAI-based prompt automation for sprint story validation and readiness checks, shortening refinement cycles and improving backlog quality by 25%. Psychological Safety & Retention: Navigated a high-risk appraisal cycle by embedding an employee-first mindset and mental wellness practices, resulting in 80+ story points of retained delivery capacity.​ Cross-Geo Team Leadership: Successfully led and motivated over 30 engineers across India, the Netherlands, and Belgium through a hybrid, multi-timezone mode,l achieving continuous delivery without disruption. Observability & Quality Improvements: Integrated SonarQube, structured code reviews, and CI/CD pipelines, enhancing release confidence and reducing post-release defects by 40%. ​ WORK HISTORY ​ Manager Technology​ Cimpress India Pvt Ltd (Remote)​ Feb 2021 – Present ●​ Led 7 globally distributed teams (30+ engineers) to deliver mass-customisation eCommerce solutions across India and Europe. ●​ Improved delivery velocity by 30% and reduced story carry-over by 25% through focused sprint hygiene and backlog quality. ●​ Architected and delivered a scalable, multi-country headless eCommerce platform using React, Node.js, and AWS, achieving 35% faster load time and SEO gains across European markets. ●​ Managed 16 direct reports and built high-performing teams through structured onboarding, cross-training, and mentoring, resulting in 20% performance improvement. ●​ Fostered an employee-first, outcome-driven culture with RnR initiatives, “way of working” upgrades, and strong cross-cultural collaboration. ●​ Drove OKRs including “Grow Services”, “Curated Product Bundles”, and the AI-powered Carbon Footprint Calculator, leading to a 12% increase in average order value and enhanced ESG positioning. ●​ Enabled psychological safety via regular 1:1s, skip-level engagement, Agile rituals, and mental health first-aider training. ●​ Streamlined development by partnering with POs and stakeholders to balance customer and organisational goals, resulting in smoother project execution. ●​ Analysed business performance metrics, ensured optimal budget use, and scaled resources without compromising delivery momentum. Enterprise Architect​ Valuelabs LLP – Hyderabad​ Sep 2018 – Jan 2021 ●​ Owned architecture and delivery of complex enterprise products, including an open banking DevPortal and image-based insurance platform using .NET Core, Java and Python, NodeJS, AWS, Azure, and Angular ●​ Managed 14 engineers across India and the US; implemented DFD-driven architecture and version-specific API documentation. ●​ Standardise platforms across projects, reducing maintenance complexity and increasing feature rollout efficiency. ●​ Led sprint planning and backlog grooming within a scaled agile model, using analytics to track delivery and quality KPIs. ●​ Ensured compliance and security readiness across regulated domains. Technical Lead​ Sears Holdings Corporation – Bengaluru​ Sep 2016 – Sep 2018 ●​ Led full-stack feature teams to improve site performance by 30%+ and implemented big-data analytics integrations (BigQuery, Solr). ●​ Streamlined code quality via reviews, automated tests, and dev standards; mentored engineers on scalable frontend and backend design. ●​ Coordinated delivery across QA, DevOps, and Support to ensure stable production releases. Senior Associate – Technology​ Synechron Technologies – Bengaluru​ Oct 2015 – Aug 2016 ●​ Delivered a voice-based banking chatbot integrated with Amazon Echo and IBM Watson for a major financial client. ●​ Implemented Agile processes and development accelerators that improved delivery timelines and reduced QA rework. Consultant​ GI Group India – Bengaluru​ Apr 2015 – Sep 2015 ●​ Delivered scalable custom web solutions; managed client expectations and ensured 100% SLA adherence. Early Career -)​ CG Colors Pvt Ltd, Business On Top – Delhi & Kolkata ●​ Held progressive roles from Software Developer to Team Lead; led development teams of up to 14 people. Introduced Agile workflows, backend boilerplates, and new tech stacks that reduced dev time by 50% and enhanced system functionality across projects. ​ KEY PROJECTS ​ 1. Global multilingual Headless eCommerce Platform (Cimpress – Drukwerkdeal)​ Architected and led delivery of a multi-country, high-performance headless eCommerce platform (React, Node.js, AWS) across 4 European markets. Achieved 35% faster load times, improved SEO rankings across all regions, and drove a 12% increase in average order value via strategic product bundling. Orchestrated collaboration between 30+ engineers across India and Europe, ensuring continuous delivery without downtime. 2. AI-Integrated Carbon Footprint Calculator(Cimpress – Drukwerkdeal)​ Pioneered the design and development of an AI-powered sustainability scoring engine, integrating emission data models into the e-commerce purchase journey. Delivered as part of the Circular Economy program, influencing ESG-driven purchasing decisions and aligning with corporate sustainability OKRs. Boosted product recommendation relevance by 15%, while positioning the brand as an early adopter of green commerce innovation. 3. API Portal with Automated SDK Generation (Valuelabs - Apiture)​ Led architecture and development of a centralised API Portal with secure multi-level access control and automated SDK generation in JavaScript, Python, and MEAN. Reduced vendor onboarding from 3 weeks to 3 days and increased internal API reuse by 35%. Established versioned API documentation standards, significantly improving platform integration velocity and cross-team productivity. ​ EDUCATION ​ B.Tech (Computer Science & Engineering): | 08-2006 to 08-2010 | Calcutta Institute of Technology, WBUT | Percentage: 7.67 Higher Secondary 12th Standard: 04-2004 to 04-2006 | Uluberia High School, WBCHSE | Percentage: 68.30 Secondary 10th Standard: 04-2002 to 04-2004 | Uluberia High School, WBBSE | Percentage: 80.01 ​ LEADERSHIP ATTRIBUTES ​ ●​ Versatile leader combining Servant, Coaching, Visionary, and Democratic styles, anchored in Situational Leadership. Known for fostering trust, empowering autonomy, and aligning teams with a clear, results-focused vision. Relentlessly curious, solution-oriented, and committed to building a positive, high-performance culture. ​ LANGUAGES ​ English Hindi Advanced (C1) Advanced (C1) Bengali Bilingual or Proficient (C2)
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