Senior Software Engineer (Java/Kotlin back-end 100% hands-on) Part time

Updated 2 months agoIT » Full Stack Development
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Job Description

We are looking for highly technical individuals with a passion for entrepreneurship. We seek individuals who have the right combination of business acumen, technical ability, and product sense.

Our Senior Software Engineers focus on building financial claim management platform and robotic process automation, with a scalable architecture optimized for performance.

This team is always at the edge of building and experimenting with specialized user experiences with innovative features. We are a team of domain expertise. We welcome people with technical excellence and a keen eye for product to join us.

Reporting Structure: this position will report to VP of Engineering


  • Work closely with product, design and a team of engineers across multiple platforms to release features and run experiments.
  • Design, architect and build distributed, scalable backend services together with other backend engineers in the team.
  • Drive collaboration between backend and frontend engineers in the team to scope and plan for features and experiments.
  • Communicate and collaborate with other Senior Engineers in the organization, getting alignment and buy-in to propose changes to other areas of our systems where necessary.
  • Mentor junior backend engineers in the team and organization, imparting technical knowledge, industry best practices and leadership skills.
  • Propose changes to existing processes, that will improve the quality of our codebases and systems, clear out technical debt and improve our developer productivity.
  • Acquire domain knowledge relevant to the verticals, and use this knowledge coupled with technical expertise to solution and build innovative features for our users.
  • Work within technology stack (JavaScript/TypeScript, Java/Kotlin, Python, MongoDB, ElasticSearch), but push the team on new technologies and implementation methodology
  • Write clean code with clear documentation. Participate in collaborative code reviews
  • Build scalable data models and query logic
  • Build integrations with external API services (Open API providers, government sectors, commercial SaaS, analytics, CRM, social marketing, etc)


  • Degree in Computer Science, Software Engineering or other equivalent degrees/experience
  • at least 4 years years in Java or Kotlin software development
  • Good command of spoken and written English and Mandarin
  • Mentored and coached junior engineers effectively in their technical growth.
  • Strong English communication skills, with the ability to write good technical documentation and proposals.
  • Have experience in a role where cross-team communication was necessary or of importance.
  • Experience in building large, scalable distributed systems with good understanding of micro-services architecture and associated principles.
  • Excellent knowledge of RDBMS and object caches such as PostgreSQL, Memcached, Redis and knowledge of how to design, tune and optimize SQL queries and caching strategies
  • Experience with TDD/BDD and agile methodologies
  • Familiar with AWS and serverless architecture
  • Familiar with continuous integration & test coverage
  • Excellent communication skills and ability to communicate well with technical and non-technical personnel
  • Embrace strong culture in continuous learning and sharing with others

Interview process

Stage 1: Prepare presentation with 2 slides

Stage 2: 30 min Fundamental Session, 15min to explain solution on critical project, 15min to share learning on latest technology, interviewed by VP of Engineering in Taipei.

Stage 3: compete the technical test in four days.

Stage 4: 30 min Technical Session, interviewed by technical expert in San Francisco.

Stage 5: 30 min Partnership Session, interviewed by co-founder in Taipei.

Stage 6: 30 min Culture Session, interviewed by CEO in San Francisco.

Personal Invitation Link

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9F No. 287, Sec. 3, Nanjing E. Rd., Songshan Dist., Taipei City

About us

Joining our team, you will grow and learn from senior experts on technology, legal, finance and entrepreneurship!!!

Proxifile Value: 

  • We believe in craftsmanship and empathy, being the best-in-class engineers to create value for the society.

Proxifile Culture:

  • We honor continuous improvement, embracing fail-fast, retrospective and automation.
  • We measure every aspect by data.
  • We support training and sharing to grow expertise.
  • We celebrate team accomplishment.
  • We strive for creating customer value, not number of features.
  • We work as professional to build product with quality attributes

Technology Initiatives:

  • Build on AWS and the latest Cloud Native technologies, such as IaaC, API Gateway, Kubernetes, ArgoCD and gitops.
  • Be involved in key architectural decisions, such as: microservices vs. serverless; Java vs. Typescript vs. Python.
  • Participate in open source project and evaluation on commercial SaaS.
  • Research cutting edge technology on open data API, linked data, and scaling the knowledge graph to solve the real world problem.
  • Build integration platform connecting to third party systems, ranging from government offices to other enterprise applications.
  • Design highly scalable event driven architecture using event sourcing, event stream and workflow engine.
  • Take total ownership on software lifecycle from design to test automation to release and operation.


Manchi Leung

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