Stjepan Antivo Ivica Email & Phone Number

Bellevue, Wa, Us

Remote First, Us

• Tech Lead of 6 member Identity and Access Platform backend team.• Designed and lead creation of Customer Orchestration Service, which handles all of Mint, Access, Console, customer product account sign up. Handles orchestration of all flows specific to each of the products.• Designed and lead Identity 2.0. Redefinition of Identity service, unlocking expansion in new features.• Designed and contributed to Unified Login, enabling users to use same email:password across products lines.• Own a large part of Approval Workflow Service. Designed the policy lifecycle and policy voting for Circle-managed wallets. Planned groomed and delegated tasks to junior engineers on the team.• Designed and led implementation of user lifecycle for Self-Custody product, covering user creation, userremoval, PII data records and access granting to the different users sharing the same self-custody wallet.• Delivered Enhanced L3 onboarding flow allowing sales team to pre-screen Circle Mint applications.Java

San Francisco, Ca, Us

• Created Image Registry Mirror, which maintains copies across all listed architectures of image repositoriesbetween target image registries. Used to store complete clones of public images into internal registries.• Wrote data structuring library for internal key-value storage system.• Worked on simplification of Kubernetes deployments. Go.

San Francisco, California, Us

Common services: Notification Service. Python; gRPC• Envisioned, designed and built template based SendNotificationToUserByPreference API for localized, SMS and push, notification delivery in alignment with user preferences and configuration of the template. Set to replace majority of SMS traffic with push notification traffic (savings in dosen of milion sms per day and driving app engagement). Pushed for adoption by collaborating with other teams and anticipating their needs. Simple to invoke gRPC interface with only two mandatory parameters. On accepted request, ETAs and delivery execution are safeguarded with alerts, metrics and logs.• Proposed and built Generic Worker: changing asynchronous workers from notification type based load separation to priority based. Saved 58% in AWS CPU worker infrastructure costs with aggregating processes and optimizing pod. New workflows (like privacy, notifications related to gifting,..) have been adopting generic worker for execution. • Mentored new hire. Wrote scripts to fetch data and buy numbers at Twilio API . Migrated Phone Number Settings and Consumer Notification Preferences from monolith. Refactored Email and SMS libraries. Built Unified Metrics module for standardized metric emission. Techical Phone Screen interviewer. Capacity planner. On-call.

Redmond, Washington, Us

Azure SQL DataWarehouse. C#; Typescript; Selenium• Increased total successful deployments 6+% by replacing sql connection with named pipe connection in create DataWarehouse instance from sample which was failing 20+% of time in period of two years until fix. • Developed DW restore portal experience with cross server, cross performance and custom restore points.• Rewrote Restore, Active Queries experiences into new technology that increases availability metrics (load time) of the experiences.• Onboarded Resource Health service for SQL DB and SQL DW to national clouds. • Added metrics for backup, snapshot and geo-snapshot sizes. Investigated and mitigated live site incidents.• Made Insights which analyze and inform for three most common issues. Developed quota supportability experience for DW. Improved mitigation notebook.• Contributed to DW Gen2 development - table auditing, publish schema step, Catalog DB certificate authentication step, end to end tests and modifying billing data to include Gen2. • Implemented runners for subscription quota alerting and mitigator for production maintenance. • Created testing utilities for auto statistics. Fixed bugs in Azure Portal and SSMS scripting.

Minnetonka, Mn, Us

MTX Platform (in-game micro-transactions)• Integrated in-house platform for common data exchange; Contributed to the core functionalities such as gifting, reporting and user segmentation; Performed extraction and handover of production data. Java; Spring; Hibernate; SQL; Wicket

Vienna, Vienna, At

Cloud Task Scheduler• Developed component that automatically executes arbitrary tasks and stores results on the cloud hosted environments based on time and cost. Java; Spring; jclouds; AWS; MariaDB

Zagreb, Croatia, Hr

TA for course Programming in Haskell (86388)• Assisting lectures. Participating in preparing homework assigments. Grading homework assigments. Haskell

Zagreb, Hr

Core• Developed Console provider over File System, Telnet, Web, Script and Standard IO. Java; Spring; Netty

Zagreb, Hr

LI Data (Lawful Interception)• Created rule based master – slave architecture distributed over a network with alias resolution. Remodeled IRI (HI2) and CC (HI3) delivery. Refactored IAS and GTP delivery. Java; Spring

Zagreb, Croatia, Hr

TA for course Programming in Haskell (86388)• Assisting lectures. Participating in preparing homework assigments. Grading homework assigments. Haskell

Zagreb, Hr

ACH DA (Advanced Call Handling, Dialer and announcer)• Extended front – end framework. Contributed to the web user interface. Wrote manual for the UI. JavaScript; jQuerey + UI; RequireJS• Contributed to the Model – View – Controller solution. REST architecture. Java; Spring; Spring Roo

Coimbatore, Tamil Nadu, In

Genetic Algorithm (GA) Based Wireless Mesh Network (WMN) Construction in Dynamic Environments• Created a model, objects it contains and domains of their attributes in which problem is researched. Java

Master'S Degree, Computer Science

Master'S Degree, Computer Science

Bachelor'S Degree, Computer Science