JobsCompaniesTalents

Loading job…

AApplyPick

Remote job catalog with tools to tailor your resume and cover letter to each role.

[email protected]

Explore

Remote jobs
Companies
Blog

Company

About
Help & support

Legal

Privacy Policy
Terms of Service
Listings are aggregated from public job boards and career pages.

© 2026 ApplyPick. All rights reserved.

Backend Engineer - Java and Kotlin (FinTech) at IO Tech Solutions Limited · ApplyPick

Jobs
/
IO Tech Solutions Limited
/
Backend Engineer - Java and Kotlin (FinTech)

Backend Engineer - Java and Kotlin (FinTech)

IO Tech Solutions LimitedHong Kong only

Apply now

Opens the original posting on Himalayas.

Apply now Source: Himalayas

Apply on the original site

Companies in this catalog do not charge applicants. Never send money to apply.

Key Responsibilities

Design, develop, and maintain backend services and APIs using Java and Kotlin.
Build and optimize services for performance, reliability, and scale.
Write clean, testable code and contribute to engineering best practices.
Develop and maintain data access layers and integrations with databases.
Implement and support microservices and/or service-oriented architectures.
Create and maintain automated tests (unit/integration) and participate in CI/CD.

Diagnose production issues, perform root-cause analysis, and help drive improvements.

Collaborate with frontend, mobile, DevOps/SRE, and QA to deliver end-to-end features.

Document system behavior, design decisions, and operational procedures.

Continuously improve observability (logging, metrics, tracing) and developer productivity.

Required Qualifications

Atleast 5 years (or equivalent) of professional backend development experience.
Strong experience with Java and Kotlin in production systems.
Proficiency with RESTful APIs and/or service interfaces (e.g., gRPC).
Solid understanding of data structures, algorithms, and backend fundamentals (concurrency, caching, networking).
Experience with SQL and at least one relational database (e.g., PostgreSQL, MySQL).
Experience with common backend frameworks (e.g., Spring Boot, Ktor, Micronaut).
Strong testing practices (e.g., JUnit, Mockito, integration testing).
Familiarity with containerization and deployment workflows (e.g., Docker, Kubernetes is a plus).
Ability to work in an agile environment and communicate clearly with cross-functional teams.

Preferred Qualifications

Experience with microservices, event-driven systems, or distributed systems.
Familiarity with messaging/streaming technologies (e.g., Kafka, RabbitMQ).
Experience with AWS/GCP/Azure services and cloud-native patterns.
Knowledge of observability tooling (e.g., Prometheus, Grafana, ELK, OpenTelemetry).
Experience with performance tuning, reliability engineering, and automated incident response.
Familiarity with security practices (authn/authz, OWASP principles, secrets management).
Originally posted on Himalayas

Apply now

Opens the original posting on Himalayas.

Apply now Source: Himalayas

Apply now

Opens the original posting on Himalayas.

Apply now Source: Himalayas

About the job

Apply before: Dec 10, 2026
Posted on: Oct 11, 2026
Job type: Full Time
Experience level: Senior
Location requirements: Hong Kong
Hiring timezones: UTC+8
Job categories: Developer
Skills: Backend Engineer Java Developer Kotlin Developer Senior Backend Engineer (Fintech)Senior Backend Engineer (Java Kotlin)Senior Fintech Backend Developer Software Engineer

Similar searches

Senior Developer jobs
Full Time Developer jobs
Jobs in Hong Kong

About IO Tech Solutions Limited

IO Tech Solutions Limited

Company profile