Senior Backend Engineer (Java / Spring Boot) | 6-Month Contract
opn· Omise Pro
About this role
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
Frequently Asked Questions
Is the salary disclosed for the Senior Backend Engineer (Java / Spring Boot) | 6-Month Contract position at opn?
The salary for this Senior Backend Engineer (Java / Spring Boot) | 6-Month Contract role at opn is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Senior Backend Engineer (Java / Spring Boot) | 6-Month Contract position at opn located?
This Senior Backend Engineer (Java / Spring Boot) | 6-Month Contract role at opn is based in Bangkok, Thailand, Thailand, Hybrid. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Senior Backend Engineer (Java / Spring Boot) | 6-Month Contract role at opn full-time or part-time?
This is listed as a Contractor position. It is posted as a Senior Backend Engineer (Java / Spring Boot) | 6-Month Contract role in the Omise Pro department at opn.
Which team or department does the Senior Backend Engineer (Java / Spring Boot) | 6-Month Contract at opn belong to?
This Senior Backend Engineer (Java / Spring Boot) | 6-Month Contract position is part of the Omise Pro department at opn. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Backend Engineer (Java / Spring Boot) | 6-Month Contract position at opn?
Click the "Apply Now" button on this page. You will be redirected to opn's official application portal hosted on bamboohr where you can submit your application directly.
When was the Senior Backend Engineer (Java / Spring Boot) | 6-Month Contract job at opn posted?
This Senior Backend Engineer (Java / Spring Boot) | 6-Month Contract position at opn was posted on Jul 9, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior Backend Engineer (Java / Spring Boot) | 6-Month Contract
opn
You'll be redirected to opn's official application page on bamboohr.