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Resum del rol
Publicat via Mainder
We are looking for a Senior Full Stack Engineer to join a high-impact product-focused project within the fintech and digital banking ecosystem.
In this role, you will work on the design and development of scalable web platforms and secure digital experiences used by financial institutions and enterprise clients. You will contribute to both frontend and backend architecture, building reliable systems with strong emphasis on security, identity management, and modern web technologies.
This is an opportunity for someone who enjoys solving complex engineering challenges, working autonomously, and contributing to technical decisions in a collaborative and fast-paced environment.
Design, develop, and maintain scalable web applications using React, JavaScript, and C#
Build and integrate APIs ensuring performance, reliability, and scalability
Implement Backend-for-Frontend (BFF) architecture patterns
Develop responsive, user-friendly interfaces aligned with modern UX standards
Troubleshoot and resolve complex technical issues independently
Collaborate with cross-functional teams to define and deliver technical solutions
Contribute to architecture decisions and engineering best practices
Mentor junior and mid-level engineers within the team
Implement secure authentication and authorization flows across applications
Participate in the integration of identity providers and external authentication services
Experience & Technical Skills
Strong experience with JavaScript, React, C#, and SQL
Hands-on experience building and integrating APIs and distributed systems
Experience implementing BFF (Backend-for-Frontend) architecture
Strong understanding of responsive web design principles
Experience working autonomously in complex technical environments
Proven experience mentoring or leading technical initiatives
Security & Identity
Experience with JWT-secured authorization requests (JAR) and token lifecycle management
Strong understanding of OAuth 2.0, OpenID Connect (OIDC), and claims-based identity
Experience with JWK key management and token validation
Experience integrating external Identity Providers (IdP) where the platform acts as a Service Provider (SP)
Experience with secure credential management solutions (Azure Key Vault or similar)
Nice to Have
Experience with GraphQL
Familiarity with Microsoft Azure cloud services
Experience integrating legacy systems (SOAP / ASP-based systems)
Knowledge of SAML 2.0 SSO integrations
Familiarity with Duende IdentityServer, Auth0, Okta, or similar solutions
Soft Skills
Strong analytical and problem-solving mindset
Ownership and accountability for technical deliverables
Excellent communication and collaboration skills
Ability to mentor and support other engineers
Access to e-Learning platforms
Amazing people-oriented organizational culture
Remote work flexibility
Opportunity to work on challenging projects using modern technologies for US-based clients
You’ll join a global digital innovation company that helps businesses reimagine, digitalize, and accelerate their transformation through cutting-edge technology.
The company designs and builds impactful digital products powered by AI/ML, IoT, Blockchain, and AR/VR, partnering with leading organizations across industries such as healthcare, finance, education, and technology.
With more than 1,300 professionals across North America, Latin America, the U.K., and South Asia, the teams combine deep technical expertise with a people-first culture built on collaboration, learning, and purpose.
Join us in creating real impact through innovation, technology, and collaboration.