Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Hi, I'm Rajeev Kumar, a Prompt Engineer and GenAI Product Specialist focused on refining LLM prompts, rule-based logic, and content systems for consumer-facing AI products. I prioritize output quality, tone control, differentiation, and user trust, and I have hands-on experience working with existing prompt frameworks to improve clarity and consistency under tight delivery timelines. My background spans GenAI applications, chatbot design, and UX-sensitive AI systems across commerce, wellness-adjacent, and support domains. I bring cross-cultural leadership and a track record of delivering strategic AI transformations. My MBA capstone evaluated AI-led international expansion for Sword Health, sizing a $13B addressable market and informing a $19M investment decision with 47–58% IRR. I have led AI/automation programs across Europe, the Middle East, Asia, and Africa, collaborating with product, content, UX, and engineering teams to build credible, safe, and scalable AI experiences.…Hi, I'm Rajeev Kumar, a Prompt Engineer and GenAI Product Specialist focused on refining LLM prompts, rule-based logic, and content systems for consumer-facing AI products. I prioritize output quality, tone control, differentiation, and user trust, and I have hands-on experience working with existing prompt frameworks to improve clarity and consistency under tight delivery timelines. My background spans GenAI applications, chatbot design, and UX-sensitive AI systems across commerce, wellness-adjacent, and support domains. I bring cross-cultural leadership and a track record of delivering strategic AI transformations. My MBA capstone evaluated AI-led international expansion for Sword Health, sizing a $13B addressable market and informing a $19M investment decision with 47–58% IRR. I have led AI/automation programs across Europe, the Middle East, Asia, and Africa, collaborating with product, content, UX, and engineering teams to build credible, safe, and scalable AI experiences.

Rajeev Kumar

AI Engineer, AI Prompt Engineer, UX Designer, +2





Hi, I'm Rajeev Kumar, a Prompt Engineer and GenAI Product Specialist focused on refining LLM prompts, rule-based logic, and content systems for consumer-facing AI products. I prioritize output quality, tone control, differentiation, and user trust, and I have hands-on experience working with existing prompt frameworks to improve clarity and consistency under tight delivery timelines. My background spans GenAI applications, chatbot design, and UX-sensitive AI systems across commerce, wellness-adjacent, and support domains. I bring cross-cultural leadership and a track record of delivering strategic AI transformations. My MBA capstone evaluated AI-led international expansion for Sword Health, sizing a $13B addressable market and informing a $19M investment decision with 47–58% IRR. I have led AI/automation programs across Europe, the Middle East, Asia, and Africa, collaborating with product, content, UX, and engineering teams to build credible, safe, and scalable AI experiences.…Hi, I'm Rajeev Kumar, a Prompt Engineer and GenAI Product Specialist focused on refining LLM prompts, rule-based logic, and content systems for consumer-facing AI products. I prioritize output quality, tone control, differentiation, and user trust, and I have hands-on experience working with existing prompt frameworks to improve clarity and consistency under tight delivery timelines. My background spans GenAI applications, chatbot design, and UX-sensitive AI systems across commerce, wellness-adjacent, and support domains. I bring cross-cultural leadership and a track record of delivering strategic AI transformations. My MBA capstone evaluated AI-led international expansion for Sword Health, sizing a $13B addressable market and informing a $19M investment decision with 47–58% IRR. I have led AI/automation programs across Europe, the Middle East, Asia, and Africa, collaborating with product, content, UX, and engineering teams to build credible, safe, and scalable AI experiences.

Available to hire

Hi, I’m Rajeev Kumar, a Prompt Engineer and GenAI Product Specialist focused on refining LLM prompts, rule-based logic, and content systems for consumer-facing AI products. I prioritize output quality, tone control, differentiation, and user trust, and I have hands-on experience working with existing prompt frameworks to improve clarity and consistency under tight delivery timelines. My background spans GenAI applications, chatbot design, and UX-sensitive AI systems across commerce, wellness-adjacent, and support domains.

I bring cross-cultural leadership and a track record of delivering strategic AI transformations. My MBA capstone evaluated AI-led international expansion for Sword Health, sizing a $13B addressable market and informing a $19M investment decision with 47–58% IRR. I have led AI/automation programs across Europe, the Middle East, Asia, and Africa, collaborating with product, content, UX, and engineering teams to build credible, safe, and scalable AI experiences.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Hindi

Fluent

Portuguese

Beginner

Work Experience

Prompt Engineering & Gen AI Optimization (Contract / Project-based) at Kabuk Style Inc. (HafH Travel Platform)

January 1, 2023 - July 1, 2024

Analyzed and restructured existing prompt frameworks to improve clarity, tone consistency, and brand alignment for consumer-facing AI applications. Implemented rule-based conditional logic to control response depth, variation, and personalization across user contexts. Validated prompt outputs to identify hallucinations, repetition, and UX-breaking responses prior to release. Documented prompt logic, decision rules, and improvement recommendations to enable smooth handover and future iteration by product teams. Delivered high-quality refinements under tight deadlines to support rapid pre-launch readiness.

Senior Product Manager – AI & Automation at Mumzworld (Tamer Group)

January 1, 2021 - January 1, 2023

Designed and refined AI-powered conversational systems, balancing automation with a human-like tone to foster user trust. Collaborated with content, UX, and engineering stakeholders to align AI responses with product intent and user expectations. Improved AI-driven support and guidance workflows, reducing resolution time and increasing user satisfaction through better content logic. Evaluated AI outputs against real user scenarios to ensure consistency, credibility, and emotional appropriateness.

Digital Product Owner – Data & Platform Transformation at Foodspring (Mars Group)

January 1, 2021 - Present

Stabilized large-scale platform migration while safeguarding 99.9% uptime and uninterrupted fulfillment operations. Refined agile workflows and delivery cadences, lifting team throughput by 30% and shortening release cycles for data and automation features. Aligned supply-chain integrations with compliance and operational standards to support cross-market scalability.

Digital Product Owner – Platform & Automation at Jumia Group

January 1, 2019 - January 1, 2020

Automated installment payment workflows with NBE (Egypt), scaling adoption to 528K daily transactions and $130K/day GMV (+33% adoption). Built certified Tableau dashboards with SLAs for lineage and lead-time reporting, cutting service tickets by 60% and saving $165K/month; strengthened executive trust. Designed differential shipping/pricing models with certified datasets, driving $2M annual savings and enhancing competitive positioning. Automated CMS campaign workflows, cutting onsite workload by 75% and accelerating adoption of campaign pages across multiple markets.

Technical Product Manager – AI & Platform Systems at Lazada (Alibaba Group)

January 1, 2017 - January 1, 2019

Deployed AI-driven logistics and routing capabilities across Southeast Asia, trimming delivery times by 30% through ML-based optimization. Launched adoption-focused CPR promotion features on PDP, doubling CVR (5.3% → 12.2%) and generating +$5M NMV uplift; secured executive buy-in through adoption analytics and performance storytelling. Steered a portfolio of platform initiatives across payments, logistics, and automation, synchronizing multiple engineering teams at enterprise scale while maintaining reliability in regulated and high-traffic environments.

Technology Lead – Data & Systems Integration at Reliance Retail (Ajio), JustEat, Indium Software and Zynga

January 1, 2011 - January 1, 2016

Integrated OMS/WMS with SAP/Hybris, cutting order processing time by 40% and improving accuracy to 98%. Built QA automation frameworks with 85% coverage, reducing defects by 20% and ensuring reliability of mission-critical data flows. Partnered with cross-functional teams to enable governance, adoption, and large-scale data integrations across retail and tech platforms.