Efim Polevoi
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Senior Software Engineer at Singular
Israel
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- SSenior Software EngineerMar 2024 - Current (2 years 8 months)Lingacom is the leading provider of cosmic ray muon imaging systems for Security and Underground Applications.
Senior Software EngineerSingularJan 2022 - Jul 2023 (1 year 7 months)Singular is a leading Marketing Intelligence Platform. Our primary goal is to streamline marketing data, making it more accessible and understandable. In my role, I am responsible for designing and developing features for highly scalable, resilient, and fault-tolerant systems. These systems are crucial for effectively processing extremely large volumes of data. Working across a diverse range of technologies in an asynchronous stack, I ensure that the code I deliver adheres to rigorous standards of quality, testability, monitoring, and cost-efficiency, while employing advanced deployment strategies. Technologies: Go, Python, PL/SQL, Postgres, Redis, Aerospike, DynamoDB, Snowflake, Kafka, NSQ, Docker, Kubernetes, AWS- Senior Software EngineerControlUpNov 2020 - Dec 2021 (1 year 2 months)ControlUp is a leading provider of Virtual Desktop management solutions. Key achievements include: - Developed Virtual Desktop monitoring systems and low-level network libraries for Citrix and VMWare Horizon platforms, leveraging the RDP Virtual Channel SDK on both Windows and MacOS. This innovative solution empowered IT teams with real-time metrics and performance data, enabling them to efficiently troubleshoot and remediate issues. - Developed an End-User Computing Availability monitoring system, providing comprehensive visibility into potential issues within the environment. Technologies: C++17, Python, RDP, AWS, Networking, Windows, MacOS
- Senior Full-Stack DeveloperIGROUPApr 2019 - Jun 2020 (1 year 3 months)I am responsible for designing and developing a cloud-based fueling payment service across the full stack, utilizing Python with Django on AWS and React Native for iOS and Android devices. I employ prototyping to explore the problem space and deliver reliable products by ensuring thorough attention to edge cases, robust error handling, extensive testing, and maintaining clean, secure code for data integrity. Key contributions include: - Implemented a one-tap secure fueling feature integrating sensor fusion technology, combining real-time event streams from cameras installed at gas stations via SDK with continuous on-device location service updates. This approach allowed for real-time tracking of vehicles and drivers within the gas station,
- SSenior Software EngineerApr 2018 - Mar 2019 (1 year)Tuki by Correnet is a Unified Communication solution provider. I delivered a few key projects related to migration and provisioning of legacy telephony systems to contemporary cloud-based unified solutions, including: - Designed and implemented a cross-cluster user data search engine by deciphering the intricate CUCM (Cisco Unified Communications Manager) data model. - Developed an in-memory CUCM simulation, streamlining and simplifying the development workflow. - Promoted and supervised the integration of Docker technology, enhancing the efficiency of the company's development-to-production pipeline. Technologies: Python/Django, Java/Spring, Hibernate, Postgres, Docker, AWS
- Senior iOS Developer, Tech LeadCellebriteMar 2015 - Sep 2016 (1 year 7 months)Developed Self-Care/Online Diagnostics mobile solution including: - Designed and implemented iOS Diagnostics SDK. - Developed iOS application for data transfer and backup. - Solved performance issues through analysis and concurrency model tuning to gain 20% speed increase in data transfer. - Conducted dozens of technical interviews and took part in the hiring process of a new iOS team member. ●Environment●: iOS, Objective-C, Swift, shell script, Git, Scrum
- Freelance Software EngineerSelf-employedNov 2014 - Mar 2018 (3 years 5 months)- As part of my work at PayApi, a leading payment routing company, I developed custom full-stack modules from scratch for various e-commerce platforms, enabling seamless pre-checkout product availability and smooth transaction transfer to the company's payment service. Technologies: PHP/Symfony, JavaScript, Postgres, Google Cloud, TDD - As part of my work at MountainPass, a Ruby on Rails shop, I designed and developed a full-stack web service for HIPAA (Health Insurance Portability and Accountability Act) Compliance from scratch. Technologies: Ruby/Rails, TDD, JavaScript, Postgres, MySQL - As part of my work for Wajam, a social search startup, I contributed to a team that developed the Ad Hunter iOS application focused on enhancing user web
- ZSenior iOS Developer, Tech Lead, VoIP ArchitectZula, Inc.Jan 2012 - Oct 2014 (2 years 10 months)Developed a feature-rich messaging and conference-call iOS application including: - Took part in a full service/app life cycle – from product requirements and design to the app beta testing and distribution via App Store. - Implemented complex UI and storyboards. - Designed and developed core features of the application ranging from address book and calendar integration to fast media files uploading and documents sharing via various cloud providers. - Architected VoIP solution from scratch including the research and the integration of several iOS VoIP SDKs (Twilio, Tropo, Rebtel, C2Call). - Developed a demo VoIP Web Client (JavaScript, jQuery). ●Environment●: iOS, Objective-C, TestFlight, App Engine, Python, Git
- Software EngineerQualcommJan 2010 - Jan 2012 (2 years 1 month)Developed a multi-cluster platform for converged social experience utilizing Facebook and Twitter API, Perl, Apache, and MySQL.
- NNew Products Team LeaderSep 2004 - Jan 2010 (5 years 5 months)- Managed the New Products team of 3 developers. - Developed interactive TV client applications and services (Caller ID, Call Log, TVChat) in cooperation with tier-1 cable providers like Comcast. - Developed 3rd party call control SIP interface for Click To Call service. - Led the company’s interactive TV demo projects for SMS, RSS Reader, Voice Mail and Picture Caller ID both for server side and Scientific Atlanta set-top box client. - Hired a team member for New Products team and managed the team to yield innovative software solutions enabling the company to present the potential for its service platform on shows all over the globe. - Had vast experience in on-site integration of company’s software abroad (Siemens, Cisco, Comcast). - Deve
- SSoftware DeveloperOct 2002 - Sep 2004 (2 years)- Developed client-side messaging applications (SMS and MMS) for mobile phone - Developed gallery application for integrated management of images, video and audio files ●Environment●: Windows CE, C++, Visual Studio
- Software DeveloperCheck Point SoftwareJan 1999 - Jan 2001 (2 years 1 month)- Developed API to enable efficient content validation. - Implemented persistency solution for Firewall policy change.
Education
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- B.Sc Computer ScienceThe Hebrew University of JerusalemJan 1995 - Jan 1999 (4 years 1 month)