-
Braintrust

Sr. Software Engineer, Android (Kotlin)

Braintrust
Argentina · Full-time · Mid-Senior

Job Description

  • Contract length: 6-12 months
  • Hours per week: 40
  • Start date: Early February
  • Timezone: Must be willing to work PST or MST
  • Candidates must have their own laptop/equipment

You will work on complex projects from discovery to delivery, working primarily with Kotlin but

also collaborating closely with iOS, Web, and BE (Backend) team members. You'll be responsible for large pieces of work, as well as setting best practices and mentoring other members of the team with openness and empathy. To thrive in this role, you should be someone who works well in teams and enjoys collaborating.

Essential Duties & Responsibilities

  • Design, develop, and maintain platform tooling and infrastructure for supporting mobile

application development, builds, and releases

  • Actively participate in technical design and planning discussions, contributing to

system design and documentation (including ADRs)

  • Uphold standards for quality by performing code reviews, fixing bugs, creating automated tests, and monitoring performance
  • Collaborate with UX designers to build polished user interfaces
  • Adhere to all system operation policies including but not limited to Access Control, Encryption Control, Logging, Change Management, Platform Security, System Configuration, Accessibility, Physical and Incident Management policies.
  • Write high quality code with automated test coverage
  • Deliver work on well-communicated timelines
  • Participate in 24x7 on-call rotation

Required Education / Certificates / Experience

  • 5+ years experience building native Android applications
  • Knowledge and understanding of mobile development best practices
  • Experience building and maintaining automated test suites
  • Diploma/degree nice to have (not required)

Attributes / Characteristics

  • Writes correct and clean code with guidance and consistently follows stated best

practices

  • Understands how their work fits into team and company objectives
  • Prioritizes tasks without getting caught up in unimportant details
  • Communicates assumptions and gets clarification on tasks up front to minimize the

need for rework. Occasionally provides assistance to other team members

  • Solicits feedback from others, and gives timely, helpful feedback to peers and

managers

Key Skills

Ranked by relevance

android kotlin ios ux
Login to Apply
Posted
Jan 05, 2026
Type
Full-time
Level
Mid-Senior
Location
Argentina
Company
Braintrust

Industries

Software Development

Categories

Engineering Information Technology

Related Jobs

3 roles aligned with this opportunity

View all jobs
View Job Details
Flix
Related

Full-stack (Kotlin) Engineer (m/f/d) - Team Payments

2026-05-21

Full-time
Not Applicable
Germany
Software Development
Engineering
View Job Details
leverbox
Related

DevOps Engineer (AWS) con orientación Backend

2026-05-27

Full-time
Mid-Senior
Argentina
Software Development
Engineering
View Job Details
Scaleway
Related

Software Engineer - Developer

2026-05-28

Full-time
Not Applicable
France
Software Development
Engineering