Sasa Djolic Email & Phone Number

Delta, Bc, Ca

Santa Clara, California, Us

Vancouver, Bc, Ca

Purchase, Ny, Us

Founded a new program to launch the next-generation enterprise data science and AI/ML platform called Data Science Workbench. The program supports 72+ other programs and $2B+ in revenue with double-digit year-over-year growth in both users and revenue support. Increased NPS score by 73 points, turning the program around from negative to positive NPS though a strong focus on customer-centric approach with hypothesis-testing. Established a leadership culture focusing on hiring & retaining top talent, promoting a healthy work environment, continuing education, and volunteering - with "Grow Together" a top recognized value for the team and a retention rate in the high nineties. CX award finalists in the Impact category. Delivered MLOps capabilities, including an NVIDIA GPU accelerated platform on-prem for GenAI and ML model training and inferencing. Made key open source LLMs available on-prem through a custom, fully integrated, model catalog. Modernized ML tooling including a Jupyter Notebooks platform with load balancing, SQL, GenAI, and data catalog integration. Owned a managed service to deliver a secure, curated Python package distribution for data science and AI with over 1,000 packages. Managed all delivered products and services as PaaS/SaaS with detailed usage metrics.

Purchase, Ny, Us

Digital Marketing program empowers end-to-end marketing campaign management inclusive of audience targeting and campaign execution and measurement. The overarching goal of data-driven marketing is to deliver the right content, to the right person, at the right time. The program is made up of 4 areas: 1) technologies for marketing campaigns, 2) email marketing services, 3) B2B marketing, and 4) data insights. Managed program budget of $12M+ USD per year and 40+ people in my reporting line.

Vancouver, British Columbia, Ca

Persistr is an Event-Sourcing Platform-As-A-Service. Cloud-native database. Easy-to-use client libraries. Rock-solid performance, security, scalability. Get your first event-sourced project up-and-running in a few minutes while you drink your morning coffee. Used by Kater to build out a large-scale event sourced ridehailing platform.

Helped grow Kater Engineering from 5 to 50 people in under 2 yearsManaged day-to-day priorities and long-term initiativesParticipated in weekly management meetings with the CEO, CTO / head of product, head of marketing, and head of operationsDerived data-driven insights from the large amount of trip-related data we generated and helped apply those insights towards driving outcomes across product, operations, marketing, and businessMeasured and acted on team engagement metrics (such as eNPS, personal growth, ambassadorship, recognition, alignment, satisfaction, wellness) and productivity metrics (such as velocity, reaction time, cycle time, lead time, PR success rate, defect rate, innovation rate, maintenance rate)Established an agile development process. Implemented TDD & BDDCreated Kater Flow - a combination of Github Flow, Slack, and custom chatbots to manage and classify issues, enforce code quality & code style, perform code reviews, track completed work, and implement tight feedback loops between design, development, and QAPut into place a Zero Defects plan of improvementDeveloped "feature owners" on the team - resulting in better feature specs, better visibility into the product roadmap, less rework, and fewer defectsLed data science and analysis efforts including data extraction, processing, and transformations. Implemented AWS Quicksight (instead of Tableau/Mode). Derived insights applicable to surge pricing, unmet demand, customer behavior, and financial reportsLed security assessment efforts. Helped analyze and prioritize security threats. Set security objectives. Established on-going team coaching on application security best-practicesManaged other managers on the engineering team as well as senior individual contributorsOwned software architecture and delivery of several products/applications - including Kater Platform API, backend services, Kater Operations Centre, Kater Reports, and mobile rider & driver apps for iOS & Android

Led the architecture design and development of the Kater ridehailing system: a large-scale high-performance and high-reliability distributed system consisting of the Kater Platform API, mobile driver apps for iOS and Android, mobile rider apps for iOS and Android, driver onboarding web application, and Kater Operations Centre (a full-stack web application for customer service and administration)Drove engagement, understanding, and buy-in among all stakeholders through a set of eventstorming workshops that involved all levels of the company and through team coaching, mentoring, and on-going team communicationsEmployed Event-Driven Design (EDD): event-sourcing, CQRS, data pipelines, and ETL workflowsDesigned Kater's data engineering pipelines and workflowsEvaluated stream processing solutions such as Kafka, Spark, and PersistrLed effort to secure production environment including data infrastructure, pricing modules, and other componentsReduced technical debt by a tenfold from an average of 6 months per project down to average of 14 days per project, while simultaneously managing a 4-fold increase in the number of projects from 3 to 13Designed and led the effort to implement accurate GPS-based soft meter for taxi pricing as per Passenger Transportation Board rulesDesigned a scalable back-end architecture that stays performant while collecting and retaining large amounts of dataExecuted strategy of “no-devops” resulting in reliable, fault-tolerant, scalable hosting of back-end server and data while not requiring any added IT human resources

Top Promotions is a leading company in imprinted products in North AmericaCreated the technology roadmap and executed on itRe-architected commence website and achieved substantial reduction in page loading times to under 3 tenths of a second, down from an average of 7-15 secondsAdded fast client-side (in-browser) product catalog searchNode.js, static generation, ecommerce, react, angular, REST API, JWT, AWS, CDN, DotNetNuke (DNN), C#, .NET

Critical Pass is in the education market and makes flash-cards for law school students and MBE bar examsCreated the technology roadmap and executed on itDesigned and built the Critical Pass mobile apps (iPhone & Android) and back-end API and databaseiOS, Android, REST API, Node.js, Xamarin, C#, Objective-C, Swift, Java, JavaScript, SQL, eventsourcing, CQRS, Event-Driven Design (EDD)

ElectroMotion Energy makes a combined heat & power appliance designed to make the furnace, hot water tank, air conditioner, and power generator obsoleteCreated the technology roadmap and executed on itDesigned and built the software solution that controls and manages the unitDesigned real-time Internet-of-Things (IoT) data collection system, processing 50+ sensors per second per deviceSecured entire network behind a private VPNIoT, PLC, time-series data collection and analysis, API, open-source, Arduino, Raspberry Pi, eventsourcing, CQRS, Event-Driven Design (EDD)

Vancouver, Bc, Ca

Full-service web & mobile app design and development agency. As a digital agency, our capabilities span the full life-cycle of app development from concept to completion. Through our work for our clients, we have made millions of dollars for our clients in increased sales and lower operating costs. Responsible for understanding client business needs, architecting solutions, and leading a talented team of 15 software developers, designers, product managers, and QA testersClients include successful local startups like PlayTime Media / SpinTop Games (bought out by PopCap, which in turn was bought by EA); US-based start-ups like X1 Search (x1.com); Fortune-500 companies like Harris Teeter (200+ locations, bought out by Kroger), Rockwell Automation; and many others. Projects include custom-built enterprise-grade API platforms, cross-platform mobile apps, and web applications

Technical lead on a street soccer PC & PS2 game called “Soccer Skillz”. Led architecture and development of the game framework and tool development including the BASE1 Control Center (a real-time distributed game monitoring tool) and LUNA (a real-time artificial intelligence framework for autonomous agents). Recruited and managed the engineering team. Other: Ported Python run-time to Sony PS2.

Led a newly formed engineering team to a successful completion of one of the first Sony PS2 products released in early 2001. Budget was > $1M and the team was about 15 people. Following project completion, I documented the technical research performed on the project which resulted in the company receiving a significant chunk of the development budget reimbursed through a successful SR&ED tax credit application. Technical lead on a team of six software engineers. Built one of the first PS2 games in Vancouver. Technologies developed included an object-oriented extension to C, an on-demand asynchronous loading subsystem for streaming data in the background, and others. Helped document research done for SR&ED refundable government tax credits

Burnaby, British Columbia, Ca

Courses taught: Computer Fundamentals for Programmers, Systems Analysis and Design, Programming Methods using C, Introduction to C++, Object Oriented Programming using MS Visual C++, Oracle Database Systems.Created lesson plans, lecture notes, tutorials, labs and assignments. Significantly improved student satisfaction and received two teaching awards, one of which was based on having received the highest student ratings and the other was given to me by the Director of the school.Instructor of the Month Award, Vancouver Career College, August 1999Special Achievement Award, Vancouver Career College, July 1999

Redwood City, Ca, Us

Developed a user-interface framework with customizable skins hand-drawn by graphics artists. Framework supported alpha-blending, non-rectangular controls and dialogs, dynamic layouts loaded at run-time, and other features. Developed Kreator, a bitmap font editor and WYSIWYG preview tool with plug-in support, kerning and character spacing, zooming, and other features. Contributed to P2 (texture-editing tool) and LayMan (UI layout manager). Contributed to AI algorithms and visual effects for the ReBoot PSX game

Designed and implemented a semantic-aware source code documentation extraction tool with HTML output called DocWiz. DocWiz extracted documentation out of source code and did not require formatting tags to be present in source code comments. Extraction was context-based (ie. opinionated programming) and conformed to company’s coding standards. Developed a platform-independent GUI framework and contributed to Vertigo's Adobe Photoshop plug-ins

Burnaby, Bc, Ca

As a Windows software engineer, I utilized C, C++, MFC, DCOM and ActiveX technologies to build device drivers and software applications for Spectrum's hardware products such as their SoundFesta PC sound card. Contributed to customer-facing application software in support of company’s Windows-compatible sound card products. Work included a high-level sound mixer application, Windows NT and OS/2 Warp device drivers, and user interface development using MFC, DCOM, and ActiveX

Master Of Science - Ms, Cybersecurity

B.Sc., Computer Science

Education record