API Integration Engineer (OAuth2 / WS02 / AWS)
- Level
- Mid
Not stated in the posting: salary, work type, visa.
Open. First seen 2 October 2026.
About the role
About GoTymeX:
GoTymeX is a fast-scaling fintech platform enabling seamless banking solutions across emerging markets. We blend innovation with scalable tech infrastructure to help millions access secure, intuitive financial services.
Your mission is to embrace continuous integration/deployment in a delivery pipeline that will perform automated quality checks, deploy cloud infrastructure and applications quickly, and provide operational tooling and metrics that can be consumed by development teams. To be successful, you will have a blend of development experience and operational experience that provides a good understanding of the developers you are working with, while also balancing critical systems uptime.
Responsibilities
- Primary job is to do integration work using Java/Python/Golang, REST, SOAP APIs and Identity service.
- Solving complex technical and business problems and learn new technology and frameworks
- Be part of a team that will take full responsibility for the features you own
- Design, develop, test, deploy, monitor and improve, you are responsible for the full life-cycle of your product – build it, own it
Requirements
What We're Looking For
- 3+ years of experience in backend engineering
- Solid hands-on expertise in Java, Python, OR Golang
- Experience working with API Management platforms like: WSO2 / MuleSoft / Kong – design and development of APIs, guidance on design and development best practices, define strategy for operational procedures such as version control, deployments, monitoring.
- Experience in OAuth2 implementations using any Identity/SSO tools
- API’s designing and modeling using Swagger and API Developer toolkit
- Experience in Installation and configuration of various API product features and capabilities
- Good to have knowledge on Middleware and ESB tools
- Experience working with Amazon Web Service
- Experience working with Observability platform like DataDog / NewRelic
- Good skills in English
Benefits
- Meal and parking allowance are covered by the company
- Full benefits and salary rank during probation
- Insurances as Vietnamese labor law and premium health care for you and your family without seniority compulsory
- Performance bonus up to 2 months
- 13th month salary pro-rata
- 15-day annual leave+ 3-day sick leave + 1 birthday leave + 1 Christmas leave
- SMART goals and clear career opportunities (technical seminar, conference, and career talk) – we focus on your development
- Values-driven, international working environment, and agile culture
- Overseas travel opportunities for training and working related
- Internal Hackathons and company’s events (team building, coffee run, blue card…)
- Work-life balance 40-hr per week from Mon to Fri
What this role asks for
In most of GoTymeX's ads
Python
Named in most of its open postings, whatever the role.
Read against GoTymeX's other open postings on this site.
The team: Engineering HIRES STEADILY
This role is one of 19 open in Engineering. 4 were posted in the last 30 days and the oldest in October: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
AWS (13 of 19), Java (13 of 19), Python (12 of 19), Agile (9 of 19), Serverless (7 of 19), Test Automation (7 of 19), Microservices (6 of 19)
OTHER ROLES ON THIS TEAM
- Backend Engineer - Crypto and Payments posted Oct 16
- Engineering Manager - Crypto & Payments posted Oct 15
- iOS Developer (Swift) posted Oct 7
- Senior/Middle Full Stack Software Engineer posted Oct 6
- Junior Product Engineer posted Sep 18
- Product Analyst posted Sep 16
- Backend Engineer - Crypto and Payments posted Sep 15
- DevOps Engineer (Databricks-based Data as a Product Platform) posted Sep 10
- Backend Engineer - Middle/Senior (Java/Python, AWS) posted Sep 7
- Engineering Manager - Authentication & Authorization posted Sep 7
- QA Automation posted Aug 18
- Agentic AI Build Week - Opportunities with GoTyme Crypto & Payment / Lending posted Jul 10
- Java API Engineer - HCM (Microservice, AWS) posted Jul 2
- Mobile Community and Design System Lead / Architect (Android & iOS) posted Jun 11
- Technical Scrum Master posted Mar 13
- QA Automation Lead (QA QC, Tester, good English) posted Feb 9
- Backend Technical Lead posted Dec 5
- Senior DevOps Engineer (Cloud, AWS) posted Oct 9
From the team and dates on GoTymeX's own job board.
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