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Mohnish Jadwani

Ruby on Rails Developer

Can work in or around Berlin, Frankfurt am Main, Hamburg, Dresden

  • 52.517
  • 13.3888
  • Suggested rate £567 / day
  • Experience 7+ years
Propose a project The project will begin once you accept Mohnish's quote.

This freelancer is available full-time but hasn't confirmed their availability in over 7 days.

Propose a project The project will begin once you accept Mohnish's quote.

Location and workplace preferences

Berlin, Deutschland
Can work onsite in your office in
  • around Berlin and 50km
  • Around Frankfurt am Main and 100km
  • Around Hamburg and 100km
  • Around Dresden and 100km


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Stack Overflow

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  • 6686 Reputation
  • 72 Bronze
  • 47 Silver
  • 11 Gold


  • English

    Native or bilingual


Skills (39)

  • Languages
  • Beginner Intermediate Advanced
  • Beginner Intermediate Advanced
  • Beginner Intermediate Advanced
  • CSS
    Beginner Intermediate Advanced
  • Beginner Intermediate Advanced

Mohnish in a few words

Joyful Greetings for the Day from Berlin! :) My name is Mohnish and it's nice to have you here 🙂

Based on my 9.5+ years of working professionally as a programmer(mostly on the Backend and primarily on Web application development with Ruby, with prior experience in leading teams(lead developer/as an engineering manager in different capacities) to meet project deliverables and wonderful first hand opportunities of experiencing different work cultures in Singapore, The UK, India and currently Germany, I'd be happy to:

**Use my existing knowledge in**:

Backend software development, Leading software teams, building a work culture that fosters trust, collaboration, inclusiveness & a sense of belonging, hiring, improving onboarding, things related to different phases of project design, development & deployment life cycle, using agile methodologies, owning & delivering projects end to end including proactive planning, making them more autonomous, facilitating meetings(like sprint planning, grooming, retrospective etc.,), giving & receiving feedback, conflict mediation, using emotional intelligence(in the context of dealing with feedback, conflicts etc.,), project management, development, supporting people in their growth, fixing process gaps, stakeholder communication, incident management, interacting with customers & integration partners, deployment & doing live customer demos

**To be of service in the following areas**:

- Freelance developer in building Web applications using Ruby and/or Rails and/or Elixir. Also open to full stack roles and would be happy to learn & grow my FE skills on the job.
- Improving the quality of communication within software teams
- Peer to peer communication
- Team member to manager communication & vice versa communication
- Building high performing and autonomous software teams
- Improving the quality of communication within software teams
- Hiring
- Building Emotional Intelligence & Improving mediation skills


Mentoring Club


June 2021 - Today (1 year and 8 months)

Mentoring club is a pro bono mentorship platform & the idea behind it originated because of the 2020 corona pandemic. I've had the wonderful opportunity to work in co.'s in India, Singapore & Europe & I'm grateful to people who've been there(via mentorship etc.,) for me at varying times in this journey. In these times especially surrounding the Corona pandemic, I'd like to pay it forward. Specific topics on which I can share my experiences for your consideration are mentioned here in case you'd like to connect with me:


Software Consultant

Berlin, Germany

June 2021 - Today (1 year and 8 months)

As a software consultant, I'd be happy to be of service in the following areas at a high level: 1. Software development(Backend development - Primarily with Ruby/Rails/Elixir) 2. Leadership Development 3. Team Coaching/Building 4. Discuss topics related to improving Diversity, Equity & Inclusion efforts in a software team 5. IT consulting(End to End Software Development Lifecycle) 6. Project Management A detailed list of areas where I could currently be of service as a software consultant are mentioned here: I've attempted to answer 1 question in those areas: as a way to give an example of the potential value that I can bring to a company as a software consultant. If areas you'd like to collaborate on aren't mentioned above, feel free to ask via: [email protected] :).


Senior Backend Ruby on Rails Engineer

Berlin, Germany

December 2020 - April 2021 (4 months)

- Lead a team by taking ownership of building a new Ruby on Rails B2B2C app. This unblocked the team to work on their tasks independently. Conducted code reviews on the project. - Lead the complete rebranding of a product whose codebase had a challenging amount of technical debt. Resulting work led to documentation efforts that reduced the cycle time of related tasks for the team and made them more autonomous - Improved onboarding experience for team members - Improved engagement & sense of belonging among team members - Gave a live customer demo for one of our most recently completed product offerings

Backend Developer

Berlin, Germany

June 2020 - November 2020 (5 months)

- Lead a team to build a Recommendations feature - Built a more inclusive & well-being focused work culture - Implemented process improvements that enabled the team to work more autonomously - Reduced dependency on the engineering team by enabling a business team to work more independently


Backend developer

Berlin Area, Germany

April 2019 - March 2020 (11 months)

- Played an anchor role to successfully update payment systems to be PSD2 SCA compliant especially under stringent timelines, emotionally challenging circumstances & when the team was understaffed. This enabled the business to carry on as usual once SCA was live EU wide - Collaborated with customers, integration partners & their developers to improve various add-on integrations. This further strengthened Cobot’s core product offerings and further improved the relationships with their existing customers


Senior Software Engineer


May 2018 - September 2018 (4 months)

- Worked on successfully delivering a completely new flights module as part of Kaligo’s Travel Edge platform. The efforts resulted in us launching this as a team for our customers in a timely manner. - Implemented an OTP feature to complement Kaligo’s existing product offerings

MoneySmart Group

Senior Software Developer


July 2017 - April 2018 (9 months)

- Delivered new projects using a first time Rails Engine architecture approach - Led backend work that made it easier for another tech team to deliver work faster. - Onboarded and paired with lesser experienced engineers to assist them in getting unstuck - Lead the development of one of the Elixir services for a Unified Login system

Sephora Digital SEA

Senior Software Developer

Co-working spaces - & https://www.91springboard.c

February 2016 - July 2017 (1 year and 5 months)

- Lead the end to end implementation of a Refunds project. This helped the customer service team to have faster turnaround times when handling customer refund requests - Implemented the ability to generate a number of automated reports that would help fulfillment teams work more effectively especially during sale periods like Valentines Day etc., - Played an anchor role to improve the performance of the carts show page from 829ms to 558ms for one of Sephora’s digital sales whose revenue almost equalled that from retail sales & also set a new record in Sephora SEA’s digital sales history

Cybrilla Technologies

Senior Software Developer

Bengaluru Area, India

April 2015 - January 2016 (9 months)

- Lead the UI integration for a client’s payroll software that would help the team work more efficiently on their respective development tasks in the project - Mentored an intern to help get her up to speed & build a Rails project from scratch



Bengaluru Area, India

November 2014 - January 2015 (2 months)

❖ Worked on adding performance enhancements that reduced the round trip time between the main app(customer facing) and the app platform for requests that originated from the main app. ❖ Worked on a few feature enhancements and bug fixes that would help enrich the overall customer experience of using this product. Blogged about one such enhancement here(

Tesco HSC

Senior Software Engineer


November 2013 - October 2014 (11 months)

❖ Played an anchor role towards building a new promotions forecasting system for Tesco Direct. ❖ Mohnish was also involved in mentoring juniors and interviewing potential hires. ❖ Was involved in the successful transitioning of the Better Promotions Forecasting Project from UK to India. Worked out of UK for 3 months as part of this effort. ❖ Developed new features for the Better Promotions Forecasting project that would help Tesco cut wastage costs with respect to the ordered inventory for each of their sales that happened throughout the year.

Cognizant Technology Solutions

Programmer Analyst

Bengaluru Area, India

July 2011 - October 2013 (2 years and 3 months)

❖ Social Tango(An Enterprise Social Network - internal project) ➢ Played an active role to help improve the overall performance in various parts of the application including critical sections of the platform like the home page. ➢ Worked on tasks(new features, bug fixes etc.,) that would help improve the overall engagement in the platform.

Cognizant Technology Solutions

Programmer Analyst Trainee

July 2010 - July 2011 (1 year)

❖ United Prosperity(Helps poor entrepreneurs) - PA Trainee [ Apr ‘11 - Sep ‘11, 6 months ] ➢ With less than a year's work experience and as a trainee, I had a wonderful opportunity to work single handedly on this project . ➢ Fixed some bugs and added certain feature enhancements to the application.