Hastee, a Zellis company, is an award-winning fintech start-up providing a market-leading financial well-being solution.
The platform allows workers to get paid flexibly at any time of the month, provides money management and budgeting support, and helps them save sustainably.
Hastee delivers its solution in a B2B2C model, selling to major employers who offer the Hastee app as a corporate benefit to their staff.
The company has a focus on improving workforce productivity and has an NPS of 76 and a 4.8/5 rating in the Apple Store and Google Play.
Hastee has over 300 clients, including McDonald’s, PayPal, and the NHS, and is on a growth journey.
The company was founded with a socially driven mission and has offices in Barcelona and London, backed by leading fintech investors.
Requirements:
Candidates must have 5+ years of experience in backend development using C# and .NET Core/.NET 8.
A strong understanding of microservices architecture and event-driven systems is required.
Experience with Domain-Driven Design (DDD) and event sourcing is necessary.
Candidates should have deep knowledge of RESTful API design, authentication, and security best practices.
Hands-on experience with asynchronous messaging and event-driven processing is essential.
A strong knowledge of SQL is required.
Candidates must possess strong communication skills and the ability to collaborate in a remote-first environment.
Proficiency in English is necessary.
Benefits:
The position offers a flexible work environment, with options for hybrid or fully remote work in Spain.
Employees will have the opportunity to work with cutting-edge technologies in a fast-growing fintech startup.
The company promotes a strong engineering culture focused on quality, scalability, and innovation.
Hastee provides a supportive, diverse, and dynamic team that values growth and learning.
Employees will work on a product that makes a real social impact on financial well-being.