Job Description

• Salary: Up to $3500 gross
• English: Advanced
• Working Location: Cau Giay Ward, Hanoi City
• YoE: 5+ (Senior)

Job overview and responsibility

Headquartered in Hanoi, the company has built a reputation for cutting-edge solutions and customer-centric services. The company has successfully developed a portfolio of standout projects that showcase its expertise and innovation. These include a core lending system with 100% automation capabilities, enabling seamless customization to adapt to different company scales and market demands; an all-in-one trading platform that empowers users to trade U.S. stocks during Asian hours, offering unmatched convenience and accessibility; and an innovative generative AI platform that allows users to create personalized characters and seek expert advice across various industries, such as mental support, finance, and education.

Responsibilities

– Own reliability, performance, and scalability across Android (Kotlin), iOS (SwiftUI), and backend APIs.

– Build end-to-end observability (metrics/logs/traces), define SLI/SLO/SLA, and maintain reliability dashboards.

– Instrument mobile apps (Crashlytics/Sentry, Firebase Performance, MetricKit) and analyze traces with Xcode Instruments & Android Profiler/Perfetto.

– Optimize startup time, rendering, memory, network, and caching on both platforms (Coroutines/Flows, Combine/async-await).

– Establish CI/CD for mobile (Fastlane, signing, TestFlight/Play, phased rollout) and APIs (canary/blue-green, autoscaling, rollback).

– Run performance/load testing (k6/JMeter), capacity planning, and cost/perf optimization.

– Lead incident response/on-call, publish blameless postmortems, and drive remediation.

– Partner with Security on ISO 27001/27017 controls, secrets management, and privacy compliance.

Required skills and experiences

– 5+ years in SRE/DevOps or Mobile Performance; strong understanding of Kotlin and/or Swift/SwiftUI runtimes and threading..

– Hands-on with APM/observability stacks; expert in Instruments & Android Profiler/Perfetto..

– CI/CD expertise (GitHub Actions/GitLab/Jenkins, Fastlane); scripting in Python/Bash (Go is a plus).

– Solid knowledge of HTTP/2/3, gRPC, caching/CDN, resilience patterns.

– Good teamwork ability, able to work under pressure.

– Good at English communication.

Preferred skills and experiences

– Kubernetes/Terraform, service mesh, OpenTelemetry; FX/Stock/Crypto Trading system domain experience.

Why Candidate should apply this position

#INCOME

– Salary up to 3500$, negotiation based on candidate’s capacity; attractive & competitive benefit.

– Project bonus based on KPI.

– Be issued with a health insurance card designed specifically for our members

#CAREER PATH IMPROVEMENT

As a member, you will have the opportunity to develop yourself at 2-3 times faster than the common ground:

– Participating in full-cycle in the development process of complex financial products, combining many difficult operations.

– Working in an international environment: Using English daily, communicating with IT teams of many different countries, onsite for long/short days abroad…

– Participating in a long-term training program for C – Level according to the development orientation of each individual.

#OTHERS BENEFITS

– The office is designed in the style of Co-working, with many entertainment facilities such as: coffee machine, treadmill, ping pong table…; dining area with free food and drinks; Hot and cold bathroom, washing machine.

– Equipped with modern equipment such as high configuration Laptop, Macbook…

– Be able to join hobby clubs such as football club, running club, happy stock trading club / forex / crypto, game tournaments…

– 100% support for company trips: Summer Holiday, Year End Party.

– Receive gifts, participate in events on the occasions of June 1, Mid-Autumn Festival, March 8, October 20, Christmas, Company birthday.

– Working hour: 08h30 – 17h30, From Monday to Friday.

Report to

CTO

Interview process

3 rounds: Technical interview with CTO -> Interview with CEO -> Interview with Director (Singaporean)

Contact: HR | Zalo: 0344168351 | www.itworks.asia