Sameer Vartak Email & Phone Number

Woking, Surrey, Gb

London, London, Gb

In the world of increasingly decentralised and renewable electricity generation, both generators and consumers want value, control and engaged relationship. Limejump is leading this revolution with its data science and technology, by providing open and transparent access to the electricity markets.Limejump is an integrated energy platform. We are spearheading the transition to a world of decentralised and sustainable electricity. At the core of this is state of the art data science and the IoT infrastructure which drives real-time decision making to optimize customer value. Today we serve businesses and generators by providing smart and transparent access to energy markets. Our “Virtual Grid” technology, optimizes across the entire energy eco-system. It brings together buyers and seller to create new value streams for flexibility.Acquired by Shell in February 2019

Cardiff, Gb

Pockit empowers unbanked and underserved consumers to move away from cash and manage their money electronically. We help our customers to save money through partnerships with retailers who offer our customers cashback on their purchases. We are building a bank which is modern and a pleasure to use.My primary focus is to build and manage the engineering team, build next gen Pockit platform at scale in the cloud. I'm also involved in the product development and user experience.

London, England, Gb

WorldRemit is leading money transfer company. It allows sending remittance to over 160 countries from more than 40 countries. The company is backed by Accel Partners and TCV who invested $140m in WorldRemit.As a principal architect I was responsible for architecture/design and delivery of our cloud services. Here are some of the projects I was involved in.- Cloud architecture- PCI compliance and security- Payment gateways- Fraud detection systems- REST API- Monitoring and analytics platform- Big data and machine learning

London, England, Gb

I was founding member of the engineering team. I created the WorldRemit cloud architecture from scratch, on top of which I along with the engineering team built REST APIs, analytics and transaction monitoring services. I did the UI/UX design of the WorldRemit mobile apps and lead the engineering team to deliver the apps.IMPACT- Move to cloud and to the REST api platform enabled the launch of mobile apps.- Grew the engineering team in areas of mobile, backend, q/a and DevOps- Built the analytics system with the data team.TECHNOLOGIES- REST API, SignalR- BLOB/Table Storage, Message Queues, Lucene/ElasticSearch, Azure Search service, Azure Document DBDEPLOYMENTWindows Azure, Web/Worker roles, Azure Web sites, Web jobs, Azure Mobile service, TeamCity, Octopus Deploy

Printsum is leading management information system with over 3000 customers across the world of all sizes and in all industry sectors.As a CTO, with small team of 12 engineers and Q/A I designed and delivered various products including a cloud based bidding service (sponsored by a research grant from the department of trade and investments), novel software delivery system and peer to peer payments solution.