Julius Arden
Verified Expert in Engineering
Front-end Developer
Sydney, New South Wales, Australia
Toptal member since July 23, 2021
Julius is a full-stack software engineer and engineering manager with 10+ years of professional experience. He has worked in multiple sectors, including marketplace, edutech, and fintech, and in companies ranging from early-stage startups to multinationals. Julius leverages his varied experience to remain flexible and pragmatic while delivering and maintaining clean code. He had experience working in microservices utilizing Kubernetes in GCP.
Portfolio
Experience
- Node.js - 8 years
- JavaScript - 6 years
- SQL - 6 years
- React - 5 years
- MongoDB - 4 years
- Angular - 2 years
- Meteor - 2 years
- RxJS - 2 years
Preferred Environment
Git, Visual Studio Code (VS Code), Node.js, Go, React, Apache Kafka, Google Cloud Platform (GCP)
The most amazing...
...thing I've developed was a flexible querying system that allowed users to submit self-service queries in a sharded MongoDB cluster.
Work Experience
Head of Engineering
Bukalapak
- Designed and implemented a cloud-native, microservices-based architecture for the investment platform, resulting in a significant reduction of incidents.
- Built and led a high-performing engineering team consisting of 20+ engineers, resulting in a 25% increase in team productivity and a reduction in voluntary turnover.
- Developed and executed a technical strategy that aligned with business goals and objectives, resulting in a >250% increase in revenue while maintaining cost at +30% YoY.
Engineering Manager
tiket.com
- Proposed and led architectural changes that fit new product requirements while balancing scalability, cost, and development velocity.
- Managed the engineering team and coordinated marketing, business, and other stakeholders to release new products in a timely manner.
- Mentored team members and suggested codebase improvements to reduce technical debts.
Senior Software Engineer
Forage
- Architected a database infrastructure using zone-based sharding in MongoDB while maintaining application performance.
- Led a front-end migration from a legacy framework to React with design systems using Storybook.
- Built a data pipeline and ETL for analytics, using AWS Glue to make it queryable in Tableau for self-service business intelligence.
- Established and grew the engineering function from two interns to two teams.
Software Engineer | Team Lead
Online Freelance Company
- Integrated and improved the internal A/B testing framework and used it heavily for new feature releases.
- Created SEO pages and managed technical ad targeting.
- Managed the email system to maintain a high send rate and low bounce rate and improved the email tracking system.
Software Engineer
Approach Solutions
- Developed an ERP solution using SAP HANA, SAPUI5, and OData.
- Implemented a data management system for historical data.
- Assisted with user onboarding and troubleshot user issues.
Business Operations Technical Graduate
IBM
- Moved and rebuilt the data center for internal IBM development labs.
- Created and operated a server backup strategy using tape libraries for short-term and long-term storage.
- Developed the initial version of a self-service system to spin up virtual infrastructure on-demand.
Experience
Data Sharding Within One Cluster
http://www.theforage.comFull-stack MERN React/Node.js Engineering Lead
Education
Bachelor's Degree in Computer Engineering
University of New South Wales - Sydney, Australia
Diploma of IT in Programming in Information Technology
Sydney Institute TAFE - Sydney, Australia
Skills
Libraries/APIs
React, Node.js, REST APIs, RxJS, Reactor
Tools
Git, MongoDB Atlas, SonarQube, SAPUI5, AWS Glue
Languages
JavaScript, SQL, TypeScript, PHP, VHDL, Java, Go, GraphQL, Ruby
Paradigms
DevOps, Serverless Architecture, Lambda Architecture, ETL, REST, Jamstack
Platforms
OS X, Visual Studio Code (VS Code), Meteor, AWS Lambda, Raspberry Pi, SAP HANA, Netlify, Contentful, Apache Kafka, Google Cloud Platform (GCP)
Storage
PostgreSQL, MySQL, MongoDB, Data Pipelines, Redis, Elasticsearch
Frameworks
Angular, Redux, AngularJS, Flutter, Jest, Spring, .NET 4, ASP.NET MVC, ADO.NET, Next.js
Other
Engineering Management, Sharding, A/B Testing, Email Systems, WebSockets, CI/CD Pipelines, Indexing, Data Aggregation, Supabase, Machine Learning, Data Warehousing, FPGA, Microcontrollers, Content Delivery Networks (CDN), OData, Enterprise Resource Planning (ERP), Programming, Cloud, Data Center Migration, BladeCenter H, Gatsby
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