Integration Developer (m/f)

More than a job, a mission!

We are looking for an Integration Developer to join the team Oney. You will be responsible for the integration and development of highly complex and scalable products, vital to the strategic business of the company. We are looking for someone with previous experience in the development of products to help manage and improve API & Integration aspects of our products.


Your responsibilities?

Design and develop API, microservice integration. Prepare high- and low-level technical documentation.

Design and build integration specifications and solutions with high reusability, reliability and scalability.

Be able to convert API design specifications into development activities and communicate progress to management and project leads.

Proactively participates in helping shape candidate solutions on the platform. This consultative part of the role explores the business capability portfolio to guide and direct solution options to ensure health of the platform.

Participate in every aspect of integration development and implementation, working close to product owners to fully understand business and technical requirements.

Designing and building prototypes.

Build flexible data models and seamless integration points.

Assist the team in handling ongoing tasks as required.


What are we looking for?

Degree in Computer Engineering or similar education.

Excellent organizational skills and attention to detail.

A flexible can-do attitude - able to respond to the needs of the business.

Ability to coordinate multiple tasks, handle assigned action items, manage priorities, work effectively within deadlines and time pressures.

Critical and creative thinking.

Result driven mentality.

Ability to work independently and with other people in an international context.

Strong organization and responsibility.

Experience in financial sector, banking and digital payment world; global vision of digital and retail specificities of payment market; knowledge of payment and e-commerce platforms.

Between 3 to 5 years of experience with API development.

Experience with Integration patterns.

Experience with software development methodologies.

Experience developing with C#, Java, JS, HTML and CSS.

Experience developing with OutSystems Platform (not mandatory).

Experience with SQL databases.

Experience with micro-services architecture for new and existing systems 8(not mandatory).

Experience working with version control systems, including Git and Azure DevOps.

Hands-on experience designing and developing RESTful APIs (Mandatory).

Hands on experience with SOAP, JSON, XML, YAML, XSLT, Swagger and OpenAPI specifications (not mandatory).

Hands on experience with API security standards and different authentication models including Basic Auth, SAML, API keys, OAuth, JWT, SSL/TLS mutual authentication and access tokens (not mandatory).

Very good Portuguese and English spoken and written.

Excellent written/verbal communications skills and organizational skills.

Proficient in Microsoft Office Suite (Outlook, Word, Excel, PowerPoint, Visio).


What are you going to find?

A great team and an excellent work environment.

Sharing of the success and company results.

Well-being promotion, an openness and share culture and benefits and conditions specially thought for our employees.

Training investment and skills acquisition along the career path, encouraging evolution in the company. With dedication and will, here you can go further.

Willingness to innovate and striving for excellence as a way to satisfy our customers with products and services that make a difference.

Happiness and team spirit. We are a happy company according to the Happiness Works ranking published by Exame magazine.


If you think that you can make the difference in our company, send your application to

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