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The primary responsibility of this role is to design , develop, implement, and maintain APIs & API Gateway platform. This role is ideal for candidates with a strong background in API development using Java spring boot and experience in API gateway tools like Nginx with knowledge in Azure Devops.
A day in the life of a API Engineer Java
We hire smart people like you for your potential. Our biggest expectation is that you’ll stay curious. Keep learning. Take on responsibility. In return, we’ll back you to develop into an even more awesome version of yourself.
You will have the possibility to work with more fun ,flexible and supportive team.
Would you like to get to know the department better? Book a coffee with the hiring manager, a team member, or the recruiter. In a second phase you could get to know the job content better via a My Job Your Job.
, ING Bank
A day in the life of a API Engineer Java
- Design , develop, deploy, and maintain APIs as well as contribute to the implementation of API Gateway platform.
- Create and refine API specifications using OpenAPI/YAML and develop REST APIs using Java & Spring boot framework.
- Utilize Azure Devops for continuous integration and deployment (CI/CD) and infrastructure management.
- Implement API SRE principles including circuit breakers, backpressure etc with integrating the APIs into related monitoring & observability tools .
- Implement API management solutions, including setting up API proxies, managing traffic, ensuring security, and enabling analytics, monetization, and developer portals.
- Establish best practices in API design , API development & API security.
- Maintain high standards of code and design quality by executing thorough test plans.
- Proactively identify technical dependencies and work with cross-functional teams to
- Participate in peer code reviews to ensure high code quality.
- Provide technical support and troubleshoot API related issues
We hire smart people like you for your potential. Our biggest expectation is that you’ll stay curious. Keep learning. Take on responsibility. In return, we’ll back you to develop into an even more awesome version of yourself.
- Over 10+ experience in implementing REST API using Java & Spring boot framework.
- Proficient in creating API specifications using Swagger.
- Strong understanding of XML, JSON, Web Service technologies (SOAP, REST), and data structures.
- Experience in implementing API SRE principles including monitoring & observability .
- Capability to apply security measures, throttling, OAuth 2.0, TLS, JWT and other API security measures
- Understanding of API management, lifecycle, and integration design patterns and best practices.
- Knowledge of API gateway components such as proxies, policies, plugins, and developer portals, including their configurations.
- Experience in Agile development, application design, software development, and testing.
- Understanding of Microservices patterns and concepts.
- Knowledge of CI/CD processes and experience with DevOps tools.
- Eagerness to learn new technologies and apply them to create functional software.
- Knowledge of the Banking & Insurance industry is a plus.
- Explore the world of APIs & work with cross functional teams to build multiple APIs to serve different purposes .
- Innovate & provide solutions to different problems.
- Be part of payment domain which is interesting.
You will have the possibility to work with more fun ,flexible and supportive team.
Would you like to get to know the department better? Book a coffee with the hiring manager, a team member, or the recruiter. In a second phase you could get to know the job content better via a My Job Your Job.
, ING Bank
Key Skills
Ranked by relevance
java
spring boot
devops
cicd
continuous integration
design patterns
microservices
oauth
nginx
xml
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- Posted
- Mar 01, 2025
- Type
- Full-time
- Level
- Entry
- Location
- Brussels
- Company
- ING Belgium
Industries
Financial Services
Categories
Engineering
Information Technology
Related Jobs
3 roles aligned with this opportunity
View Job Details
Related
Software Engineer
2026-05-28
Full-time
Not Applicable
Belgium
Financial Services
Engineering
View Job Details
Related
AI Engineer
2026-05-27
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Australia
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View Job Details
Related
Senior Mobile App Developer (m/f/d) Vienna, Austria
2026-05-21
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Not Applicable
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Engineering