Building innovative financial technologies as a Senior .NET Developer at Roofstacks. Join the growing Card Payment Systems team in developing mission - critical services for card applications.
About the role
- Lead API Engineer at Gradera defining Software-Orchestrated Services and collaborating across teams. Responsible for mentorship, design, and implementation of secure API solutions.
Responsibilities
- Provide technical leadership, mentorship, and guidance to the API engineering team
- Lead the design, implementation, and evolution of API architecture and backend services
- Champion API-first development, ensuring clear contracts and comprehensive documentation (OpenAPI/Swagger)
- Architect and implement secure, scalable, and performant APIs
- Drive adoption of best practices in API design, versioning, and integration
- Collaborate closely with product, UI, and runtime teams to deliver integrated solutions
Requirements
- 7+ years of hands-on API or backend engineering experience, with 2+ years in a technical leadership role
- Proven experience leading API or backend engineering teams and delivering complex API projects
- Deep expertise in API architecture, design, and implementation (RESTful, GraphQL, etc.)
- Strong programming skills in relevant backend languages (e.g., Node.js, Python, Java, Go, etc.)
- Experience with API security, authentication, and authorization (OAuth, JWT, RBAC, PKCE)
- Experience with API documentation and standards (OpenAPI/Swagger, Use Case, JSON Schemas, etc.)
- Strong understanding of performance optimization, scalability, and reliability for APIs
- Excellent communication, documentation, and stakeholder management abilities
Benefits
- Health insurance
- Retirement plans
- Professional development
Job title
Job type
Experience level
Salary
Not specified
Degree requirement
Tech skills
Location requirements
Application Developer building web platforms for merchants to compare payment solutions. Involved in both merchant and provider applications for greater ecosystem transparency.
Senior .NET Integration Developer at Belgian public - sector organization, designing integration platforms and building .NET components while collaborating in a SAFe environment.
Engineer for testing systems developing automated testing software and processes. Based in Berlin for a client in advanced communication systems.
Experienced PHP Developer contributing to backend systems and collaborating in a hybrid environment. Engage in technical decisions, RESTful API design, and maintainability measures.
Software Developer enhancing softgate's document management systems in a collaborative team environment. Involves working closely with product management and mentoring junior developers.
Senior Software Developer at Contour Software involved in development, testing, and deployment within STC health. Collaborating with teams to deliver solutions in vaccine intelligence and immunization data management.
Application Engineer in Payments Workflow Technology team delivering solutions aligned with technology strategy. Engaging in project delivery and collaboration for technology solutions at TD.
Java Developer at SourcingTrust, Lda responsible for software development and collaboration with cross - functional teams in Lisbon, Portugal. Delivering high - quality applications with a focus on software best practices and team delivery.
Tech Lead FullStack (Java+Azure) at CI&T overseeing full - stack development projects. Collaborating with teams to deliver impactful technology solutions for clients.