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Posted 1w ago

Senior Backend Engineer (Java / Spring Boot) | 6-Month Contract

@ Opn
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Bangkok, Thailand, Thailand
OnsiteContract
Responsibilities:owning features, eliminating debt, communicating risks
Requirements Summary:Expert Java and Spring Boot, relational database performance tuning (PostgreSQL/MySQL), cloud platform experience (AWS/GCP/Azure), strong testing discipline, autonomy and technical leadership, English proficiency.
Technical Tools Mentioned:Java, Spring Boot, Node.js, PostgreSQL, MySQL, AWS, GCP, Azure, React, Next.js, React Native, Kubernetes, Docker, Elasticsearch, Copilot
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Job Description

Omise Pro is a software development company specializing in end-to-end project delivery and digital transformation.


We partner with clients to design, build, and implement technology solutions that support their business goals. This role is part of our delivery organization, working directly with client teams to execute software projects successfully.


You will be joining Omise Pro, Omise’s professional services team, working on custom software delivery and digital transformation projects.



What you will be doing


We need a strong Senior Backend Engineer to act as a technical anchor and "bar raiser." You will take full ownership of features from design to deployment, proactively eliminate technical debt, and cleanly communicate risks to stakeholders.


You


Core Technical Profile


  • Backend: Expert-level Java and Spring Boot (Node.js is a plus).
  • Architecture: Deep OOP knowledge with proof of building high-concurrency, event-driven systems (CQRS, SAGA).
  • Databases: Expert in relational databases (PostgreSQL/MySQL), ACID properties, and performance tuning under heavy loads.
  • Cloud Platforms: Hands-on experience with at least one major platform (AWS, GCP, or Azure). Azure experience is a strong plus. Must understand pub-sub and message bus architectures.
  • Testing: High discipline in writing robust unit and integration tests.


Key "Bar Raiser" Traits

  • Autonomy: Drives feature development end-to-end with minimal oversight.
  • Proactivity: Continually suggests and executes system/process improvements.
  • Leadership: Mentors and navigates the team through complex technical landscapes.
  • AI Literacy (Bonus): Pragmatic use of AI tools (e.g., Copilot), balancing velocity with strict code vetting (hallucinations, security).


Others

  • Experience in interacting and coordinating software development activities within a team
  • Ability to effectively communicate within an international team
  • Ability to explain technical context to business users
  • Good command of English (Speaking, Writing, and Reading)
  • Good conceptual and analytical skills - demonstrating outside-the-box problem-solving skills
  • Possess positive attitude and open for feedback


Omise Pro's Technology Stack


  • Front-end: React, Next.js
  • Back-end: Node.js, Java/Spring Boot
  • Mobile: React Native
  • Database: PostgreSQL
  • System Architecture: Microservice
  • Infrastructure: Azure, Kubernetes, Docker, Elasticsearch



Nice to haves


  • Experience in E-Wallets technology and financial services is plus
  • Experience in Cloud infrastructure is a plus
  • Experience in automated testing is a plus