Junior Software Engineer resume examples

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Skillful Junior Software Engineer resume

Xi Deng
Summary
  • I was an engineering director at Tango and successfully defined and developed live broadcast for Tango, which is now a top 10 grossing app in google play.
  • I am now a hands-on tech lead in WhatsApp. I lead projects and help grow the team to improve the experience, security, privacy, and performance for VoIP for billions of users.
  • Near 10 years of experience in project management and 1.5 years of experience in people management.
  • Over 12 years of experience in C/C++, multimedia (video, streaming, video call), and 9 years of experience in android(AOSP multimedia and app).
Work Experience
Staff Software Engineer | 08/2017 to Current WhatsApp Inc. - Menlo Park, CA

Tech lead for VoIP projects, help the manager to grow the team, set directions to improve robustness, performance, and security including automation, build system, fuzzing and test flow

  • Redesigned and led cross teams to have developed cross-platform VoIP signaling, which hugely speeds up the development of the new platform and new signaling. Co-designed VoIP signaling for web client and helped two teams to integrate VoIP for their platforms
  • Leading teams to develop VoIP on a challenging platform (KaiOS)
  • Redesigned the capture/renderer for the video call (Android) to support group call
  • Designed and implemented audio/video switch feature (cross-platform and Android)
  • Improved video bitrate by 11%, reduced camera launching time by 2~3 seconds
  • Design and code review for the team (No.2 code reviewer in the whole WhatsApp in last half)
Director Of Engineering | 04/2016 to 08/2017 TangoMe Inc. - Mountain View, CA
  • As a director, successfully defined and led teams crossing countries to have developed private live messaging and public live broadcast features from scratch. TangoMe is now a top10 grossing app in google play due to the success of live broadcast
  • As a tech lead (before 3/2017), led teams to have developed features for video call and photo booth, such as funny filter, animated sticker, mask, and avatar
Principle Software Engineer | 11/2014 to 03/2016 TangoMe Inc - Mountain View, CA

Focused on video call quality and robustness (Senior SWE before 8/2015)

  • Redesigned QOS algorithm and framework. My bandwidth estimation algorithms improved call duration by 1%(cellular)/2%(WIFI), speeded up ramp-up time from 10+ seconds to few seconds
  • Designed algorithm to speed up our video resolution ramp-up time from 20+ seconds to 2 seconds, improved call duration by 1%, average resolution by 1%
  • Initiated and co-implemented the algorithm to choose best video resolution and bitrate based on PSNR, improved call duration by 1%, reduced RTT by 3%(Android)/6%(iOS)
  • Redesigned call automation system to guard and evaluate call quality, designed call BI infrastructure to monitor and analyze call quality
  • Ported video codec from armv7 to arm64 for apple's mandatory arm64 build requirement
Software Engineer | 10/2012 to 11/2014 Tango china information & Technology Ltd. - Beijing, China
  • Improved QOS algorithms for our video call quality
  • Initiated the initial version of Android shop app, co-developed social features
Deputy Technical Manager | 09/2010 to 10/2012 Mediatek - Beijing, China

Tech lead for multimedia modules for Android. (Senior SWE before 6/2012)

  • Led the design and implementation of auto stress test system to improve the robustness of our multimedia modules. This project won the company's 2011 special innovation award
  • Led development of Android streaming, AVI playback, video telephony multimedia layer
Early Software Engineer | 12/2008 to 05/2010 Avsolution - Beijing, China
  • In charge of software of our DVR/DVS and video analysis evaluation board
  • Highly optimized software speed for embedded SOC
Founding Engineer (Full Stack) | 10/2007 to 10/2008 Nuistars.com - Beijing, China
  • Developed a google map based social network website. (part-time before 3/2008)
Education
Tsinghua University - - Beijing, China | | Bachelor of Science 7/2005 Electronic And Information Engineering

9/2005 ~ 7/2008, graduate in Circuits and Systems, dropped out for startup.

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Job-winning Junior Software Engineer resume

Oleksandr Chekanskyi
Professional Summary

Highly-skilled software development professional bringing more than 9 years in software design, development, testing and integration. Advanced knowledge of Big Data related technologies and distributed high load fault-tolerant systems.

Skills
  • Big Data domain expertise
  • Data intensive and distributed systems design experience
  • Deep knowledge of Java/JVM Based Universe
  • Performance and scalability optimization
  • Rich experience in end-to-end application development
  • Advanced problem solving skills
  • API design knowledge
  • Team player with strong passion of Software Engineering
  • Experience in communication between parties (stakeholders, architects, development teams)
  • Team Managing experience
Work History
Engineering Manager, 01/2019 to Current
OmioBerlin, Berlin
  • Tech Lead and People Manager for a team of 5 engineers;
  • Responsible for Marketing Tech delivery;
  • Designed and took part in implementation of in-house User Context system;
  • Refactored pile of legacy Python scripts to sustainable distributed system;
  • Lead technology side of Marketing in the company rename;
  • Build reliable and fast delivery process;
Senior Software Engineer, 11/2017 to Current
OmioBerlin, Berlin


  • Led a group of 4 engineers, to satisfy Site Reliability for engineering tribe of 35 people.
  • Took essential part in Hiring Process;
  • Member of Dev Ops / Big Data company chapters.
  • Took part in implementation of In-House universal tracking tool.
  • Designed and implemented cross datacenter data migration and validation tool with aim of unlimited scalability;
  • Performed complex data migrations;
  • Designed and implemented real-time streaming event validation and monitoring platform;
  • Technologies: Java 8, Go, Python 3, Google Cloud Platform (BigTable, Cloud Spanner, MySQL, PostgreSQL, GCE, Dataflow, GCS, BigQuery, Kubernetes, Cloud Pub/Sub, Stackdriver), Airflow,  GRPC, Protocol Buffers, Docker, AWS (Kinesis, RedShift);
Junior Software Developer, 01/2010 to 01/2011
Vintage Design StudionKyiv, Ukraine
Senior Data Engineer , 02/2016 to 11/2017
BonialBerlin, Germany
  • Shaped and develop Data Engineering team from 2 to 12 people.
  • Build DWH universe for the company from scratch.
  • Responsible for end-to-end data intensive application design.
  • Designed and implemented In-house Event Tracking system.
  • Significantly improved company billing system.
  • Performed migration from Cloudera CDH Platform to AWS services.
  • Implemented and designed parts of Data Warehouse solution systems for data collection, storage and processing.
  • Multi channel complex raw data to clean data delivery systems.
  • Led a group of 4 engineers in the design, and development of data-based software solutions.
  • Technologies: Java 8, Scala, Spring, AWS (EC2, S3, EMR, Redshift, Data Pipeline), CDH Platform (HDFS, YARN, Spark, MLib, Hive, Impala, Flume, Apache Kafka), Elasticsearch, Docker.
Senior Software Engineer , 08/2014 to 02/2016
YapitalHamburg, Germany
  • In-house multi channel payment provider and mass transaction processing system
  • Worked closely with Business analysts problem specifications and system designs
  • Took part in design and implementation of multiple app services such as accounting, settlement, clearing. Consumer and merchant data services
  • Technologies Java 7/8, Groovy, Javascript, Spring, JBoss Infinispan, JEE, OAuth 2, HornetQ, Apache Camel, Hibernate, Oracle RDBMS, Elasticsearch, JBoss EAP
Senior Java Developer, 05/2012 to 07/2014
DataArt SolutionsKyiv, Ukraine
  • Designed and developed (Project Architecture, UML) new administration support engine system.
  • Plugin based information collecting system. Full information about execution environment collection. Decision based plugin selection.
  • Zero downtime.
  • Dynamic GUI within plugin support.
  • Technologies: Java 7, Spring, JBoss Infinispan, JSF, JMX, Apache CXF, Tomcat, JBoss AS.
  • Took essential part in refactoring and modernization of legacy in-house ETL Job Administration solution.
  • Migration map definition.
  • Legacy Code analyzing.
  • Technologies: Java 7, Spring, Oracle 11g, JBoss AS, Arquillian, JSF.

Java Developer, 09/2011 to 04/2012
CiklumKyiv, Ukraine
Junior Java Developer, 01/2011 to 09/2011
DCS Software e ServiziKhmelnitskyi, Ukraine
Education
University Graduate : Software Engineering , 2011
Khmelnitskiy National University - Khmelnitskiy, Ukraine
College graduate: Software Engineering, 2008
Kamyanets-Podilskyi Industrial College - Kamyanets-Podilskyi, Ukraine
Hobbies

Photography, music.

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Experienced Junior Software Engineer resume

Slamet Kristanto Tirto Utomo
Professional Summary

An excellent engineer with experience in CTO and Lead Engineer position specializing in Fullstack Ruby on Rails, VueJS, React, iOS, Android, IoT and blockchain development. Contributing to open-source projects through GitHub (@drselump14).

Skills
  • Advanced knowledge of Ruby on Rails ( 6 years experience ), Blockchain Technology, IoT
  • API design knowledge (REST, GraphQL)
  • Experienced in various programming language ( C, Objective C, Ruby, Python, Java, Javascript, VueJS, Swift, Elixir, RSpec )
  • Experienced in building scalable cloud-based Application (AWS, Docker, Elasticbeanstalk, RDS, ElasticCache, AWS Cloudfront)
  • Experienced in designing and building Ethereum base DApps
  • Experienced in agile development process, Test Driven Development (TDD), and Behaviour Driven Development (BDD).
  • Troubleshooting and debugging
  • Advanced problem solving skills
  • Exceptional time management
  • Leadership
  • Speak three languages ( English, Japanese, Indonesian)
  • Team management
Work History
Chief Technology Officer, 10/2019 to Current
Tandems Inc Tokyo, Tokyo
  • Maintained high-level knowledge of current and emerging technology development and applications
  • Collaborated with third-party vendors to implement new IoT system
  • Facilitated ongoing team development and growth through training and professional skills enhancement
Chief Technology Officer, 02/2019 to 10/2019
Startbahn, Inc Bunkyo, Tokyo
  • Briefed executives on technology risks and suggested ways to alleviate concerns
  • Designed, implemented, configured and integrated customer networks utilizing Blockchain and Web technology
  • Supervised team of 7 engineers (frontend, backend, and blockchain engineers), 2 project managers, and 1 designer in developing blockchain infrastructure for art registry and trade
  • Improved software program delivery performance and reliability
  • Maintained thorough understanding of all key and current technologies, platforms, and trends
  • Managed company-level architecture, platform, and data configuration processes and implementation protocols
Lead Engineer, 04/2014 to Current
Startbahn, Inc Bunkyo-ku, Tokyo




  • Developed object-oriented software, including startbahn.org
  • Reviewed and approved all engineering, product and project scope documents prior to delivery
  • Built, tested and deployed scalable, highly available and modular software products
  • Debugged and modified software components
  • Developed code fixes and enhancements for inclusion in future code releases and patches
  • Led a group of 5 engineers in the design, and development of Ruby-based software solutions.Developed object-oriented software, including startbahn.org
Software Development Engineer Intern, 08/2017 to 12/2019
ACCESS Co., Ltd. Chiyoda-ku, Tōkyō-to
  • Created, delivered and maintained a console application for managing high-availability IoT System with various internal applications
Programmer, 04/2012 to 07/2014
Rawhide, Inc Shibuya, Tokyo
  • Modified existing software to correct errors and improve performance
  • Coded 3 web system using Ruby on Rails and Django
Education
Ph.D.: Applied Computer Science, Expected in 2021
The University of Tokyo - Tokyo, Japan
Master of Arts And Science: Applied Computer Science, 03/2016
The University Of Tokyo - Tokyo, Japan
Bachelor of Engineering: Information and Imaging System Engineering, 2014
Chiba University - Chiba, Japan
Associate of Engineering: Electronic and Information Engineering, 2012
Kagawa National College of Technology - Kagawa, Japan
Certifications
  • JLPT N1
  • TOEIC Score 930
  • Ruby Association Certified Ruby Programmer Silver
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