Mohnish (Gemini) Jadwani-Builder
Check rate
Experience
Builder
Wherecanonefind
- Implemented RAG architecture with Mistral AI APIs to help people find relevant events, job links and other details related to their job search and career.
- Used Tailwind UI components and Flowbite.
Freelance Senior Engineer
FramePayments
- Led efforts towards finalizing an observability solution to meet audit and compliance needs at scale.
- Implemented a Sharefile Ruby client to automate uploads of merchant data for KYC checks.
- Implemented an Alloy Ruby client to interface with their APIs and worked on other APIs.
Freelance Senior Developer
IndeedFlex
- Enhanced a large and complex codebase by adding tests and refactoring code, strengthening Indeed Flex’s core product and supporting client and partner growth.
- Improved observability by implementing event tracking and creating Redash dashboards, helping to analyse application usage and drive future product roadmap decisions.
- Documented domain-specific and technical knowledge for the product and its tools, enabling faster and automatic query resolution and improved knowledge-sharing.
- Defined product specs and prioritised tasks in collaboration with product managers and other department colleagues; wrote tech specs as needed.
Freelance Senior Developer
Blinkist
- Built a new B2B partner portal to extend product capabilities to support Enterprise customers.
- Enhanced APIs of different microservices consumed by the partner portal.
Freelance Senior Developer
Getro
- Built prototypes in two-week release cycles towards building an MVP for the Getro People product.
- Added tracking capabilities using Woopra to measure the impact of work and apply lessons for better prototype iterations.
Senior Developer
Babbel
- Led a team by taking ownership of building a new B2B2C app, unblocking the team to work independently; gave a live customer demo for a product offering.
- Led rebranding of a legacy product with significant technical debt, initiating documentation that reduced task cycle times and increased team autonomy.
- Improved onboarding experience, enabling the team to pick up new project work faster.
- Improved sense of belonging among team members, enhancing team connection.
Backend Developer
Honeypot
- Led a team to build a recommendations feature.
- Reduced engineering team dependency by enabling the business team to work more independently.
- Built a more inclusive and well-being focused work culture, keeping team more connected.
- Made process improvements by identifying gaps such as a missing backlog grooming ceremony.
Backend Developer
Cobot
- Played an anchor role in successfully updating payment systems to be PSD2 SCA compliant under stringent timelines and challenging circumstances, enabling business continuity once SCA was live EU wide.
- Collaborated with customers, integration partners, and their developers to improve add-on integrations, strengthening core product offerings and customer relations.
Senior Developer
Kaligo (Ascenda Loyalty)
- Successfully and timely delivered a brand new flights module as part of Kaligo’s Travel Edge platform.
- Implemented an OTP feature to complement existing product offerings.
Senior Developer
MoneySmart
- Successfully delivered new projects using a first-time Rails engine architecture approach, facilitating faster project delivery by another tech team.
- Onboarded and paired with less experienced engineers to speed up ramp-up time for using Rails engines.
- Led development of one of the Elixir services for a unified login system.
Senior Developer
Sephora
- Optimized a Rails powered cart show page performance by 32% (from 829ms to 558ms) for one of Sephora’s digital sales, contributing to record sales.
- Led end-to-end implementation of a refunds project enabling faster turnaround times for customer service when handling refund requests.
- Implemented reports automation to enable fulfillment teams to work more effectively during heavy sale periods.
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Cosmetics, Banking and Finance, Education, and Tourism.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Product Development, Business Intelligence, Customer Service, and Operations.
Summary
- A human-centered Senior developer who cares about people and his craft
- 12+ years of work experience(10+ years with Ruby on Rails, 1.5 years as a lead developer)
- Experienced in building AI Systems with RAG architecture
- Experienced in global work cultures for 8+ years & in distributed teams
Skills
- Ruby On Rails
- Postgresql
- Rest Api’S
- Redis
- Sidekiq
- Packs-Rails
Languages
Statistics
Experience
Global experience
Expertise
Profile
Frequently asked questions
Have questions? Find more information here.
Mohnish is based in Berlin, Germany.
Mohnish speaks the following languages: English (Advanced), German (Elementary).
Mohnish has at least 7 years of experience. During this time, Mohnish has worked in at least 5 different roles and for 11 different companies. The average length of individual experience is 1 year and 8 months. Note that Mohnish may not have shared all experience and actually has more experience.
Based on recent experience, Mohnish would be well-suited for roles such as: Builder, Freelance Senior Engineer, Freelance Senior Developer.
Mohnish's most recent position is Builder at Wherecanonefind.
In recent years, Mohnish has worked for Wherecanonefind, FramePayments, IndeedFlex, Blinkist, and Getro.
Mohnish is most experienced in industries like Information Technology, Cosmetics, and Banking and Finance. Mohnish also has some experience in Education, Tourism, and Media and Entertainment.
Mohnish is most experienced in business areas like Information Technology, Product Development, and Business Intelligence. Mohnish also has some experience in Customer Service, Operations, and Audit.
Mohnish has recently worked in industries like Information Technology, Education, and Media and Entertainment.
Mohnish has recently worked in business areas like Information Technology, Product Development, and Business Intelligence.
The availability of Mohnish needs to be confirmed.
Daily rate distribution
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Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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