Hi There,
I'm Sreedev Raja Rajeswari

i am into

About Me

About Me

I'm Sreedev

Android Developer/Data Engineer

I'm Sreedev, a driven professional passionate about data, with 9 years of experience in the software(Android) industry, building 25+ Android apps and delivering 50+ features. I hold a postgraduate degree in Artificial Intelligence and Data Science from Loyalist College, Toronto, and my portfolio showcases 3 passion projects on data engineering. I am a dedicated team player with experience managing teams of up to 12 members across industries such as banking and healthcare. My strong coding and people management skills make me a great fit for any team. My achievements include a 6500+ reputation on Stack Overflow, certifications in Azure, Java, Python, and SQL, and winning a hackathon at Nihilent. My experience as a research and data analyst at the Ministry of the Solicitor General of Ontario allowed me to learn how data can be used to solve real-world problems. I create solutions that are maintainable, sustainable, and cost-effective. As I am transforming my career from mobile apps to data, I am eager to leverage my skills in data engineering. I aim to contribute to transformative projects in technology.

email : sreedev.r5@gmail.com

Skills & Abilities

Python
Java
SQL
PostgreSQL
Spark
Azure
CI/CD
PowerBi
Tableau
pandas
NumPy

My Education

Education is not the learning of facts, but the training of the mind to think.

Artificial Intelligence and Data Science

Loyalist College In Toronto

2022-2023

Bachelor of Electrical and Electronics Engineering

Vinayaka Missions University

2007-2011

Projects

Sales analysis - Pizza store

Improved data accuracy by 100% and prepared a dataset for analysis by successfully cleaning the data using Python and pandas. Increased data retrieval efficiency by 80% by setting up PostgreSQL and defining the structure for the data warehouse. Boosted data visibility and reporting by 95% by connecting Power BI to PostgreSQL, and creating an interactive dashboard. Identified 5 key trends in annual sales, providing valuable insights for informed decision-making and potential revenue growth.

DVD rental - Data warehousing

Reduced query time by 205 milliseconds by creating a data warehouse using a star schema from a normalized 3NF schema. Improved data analysis efficiency by hosting it in PostgreSQL. Streamlined data insertion process by transferring data from the raw source into the data warehouse, enabling faster reads. Demonstrated the importance of data warehousing for analysis teams by comparing query timings between 3NF schema and star schema.

Experience

Research and Data Analyst | Ministry of Solicitor General of Ontario

Research and Data Analyst | Full time

May 2023 - Aug 2023

Project lead/Senior Software Engineer | Nihilent

Project lead/Senior Software Engineer | Full time

Feb 2018 - Nov 2021

  • Promoted to Project Lead from Senior System Analyst after successfully delivering 15+ features across 8 successful deployments.
  • Boosted user click rate by 15% and revenue by 32% by analyzing user click analytics with Google and Adobe analytics and recommending UI enhancements to business teams.
  • Increased client satisfaction by 20% and ensured timely project deliverables by conducting biweekly demos and providing regular progress updates.
  • Improved product alignment with business requirements by 20% through effective communication with the business team and product owners.

Senior Software Engineer | Tekskills(Cognizant)

Senior Software Engineer| Full time

Feb 2018 - Nov 2021

  • Cut development time by 30% (16 hours) by developing a reusable in-house SDK using Java and Android SDK.
  • Improved feature integration efficiency for 3 teams by 50% by designing and leading the development of an in-house SDK.
  • Reduced security vulnerabilities by 40% by integrating encryption and decryption functionalities into the SDK's Rest API.
  • Delivered the SDK 1 week ahead of schedule (16 weeks) through effective collaboration with the architect.

Senior Software Engineer | E - team(Wipro)

Senior Software Engineer| Full time

Jan 2017 - Oct 2017

  • Improved team's understanding of feature feasibility by 30% by designing and developing HLD and LLD for custom notifications.
  • Enhanced feature security by 15% by implementing encryption methods for secure data transfer, closing 5+ security loopholes.
  • Successfully delivered 9 complex requirements on time, minimizing the number of bugs and improving QA time..
  • Increased cross-vendor collaboration efficiency by 20% by utilizing Git for effective version control management.

Software Development Analyst | Dell

Software Development Analyst | Full time

Jan 2014 - Oct 2016

  • Facilitated a successful project handover for Bank of Ireland from another vendor, reducing communication gaps by 30%.
  • Improved maintainability of the project by 2 years by preparing updated technical documentation.
  • Mentored and technically trained new team members, reducing onboarding time by 12%.
  • Increased client satisfaction by 20% and secured a 12-month contract extension for Dell by completing 100% of deliverables on time and within scope for the Seko Logistics project.

Software Engineer | Dewneot

Software Engineer | Dewneot

Feb 2013 - Apr 2014

  • Reduced development costs by 20% by developing Android applications using custom views, third-party libraries, and deployment techniques.
  • Improved code organization and maintainability by 30% for the next 2 years by implementing MVC and MVP architectures.
  • Contributed to a 25% increase in the product team's resources by mentoring junior developers and motivating them to kick off product development.

Software Engineer | Feathersoft

Software Engineer | Feathersoft

Nov 2011 - Feb 2013

  • Increased project efficiency by 20% by improving technical clarity and finalizing features through close collaboration with service and product teams.
  • Increased user base to 100k by developing and deploying 2 applications to the Play Store, encompassing requirement gathering, coding, and debugging.
  • Reduced app production costs by 33% by conducting research to create custom components for mobile PDF viewing and integrating various third-party libraries.