Are you a talented developer looking for a remote job that lets you show your skills and get decent
compensation? Join Upstaff.com, a platform
that connects you with hand-picked startups and scale-ups in the US and Europe.
About the role:
As a Middle Full Stack Developer, you’ll become a part of a cross-functional development team engineering experiences of tomorrow.
Our Client is a fast-growing, profitable, well-funded, and dynamic global payments company. Its offices are located in Israel, New York, and more. It is serving thousands of corporates and millions of end-users (payment receivers), in 190+ countries. With client’s fast, flexible, secure, and low-cost solutions, businesses and professionals in both developed and emerging markets can now pay and get paid globally as easily as they do locally.
R&D organization holds almost 500 workers (Developers, Manual QA, Automation QA, DBA, IT, Professional services/production support). R&D teams operate using Scrum methodology, with product managers involved in each team.
Client systems are based on Microsoft and open-source technologies that serve both international WEB users and the company's internal users.
R&D is looking to extend its capacity for new developments and existing product enhancements, in high quality and fast pace of delivery in Spain.
Responsibilities
- Back-end development to meet customers’ business needs and implement components/parts of features or modules according to modern software development environment (microservice architecture) with acceptable quality with moderate
- supervision
- Front-end development
- Describing own code within technical documents and simple diagrams and providing inputs/updates to specifications for the solution
- Writing various types of tests (unit, integration, functional, etc)
- Proactive position in solution development, process improvements
- Working in an international distributed team in an Agile environment
- Efficiently use development toolset, follow code standards and team-agreed rules.
- Use of the best practices and patterns when designing and implementing application components
- Investigate and fix application bugs.
Requirements
- 3 +Â experience in C# and .NET
- 2+ years’ experience with SQL
- 1+ Experience with distributed systems/ microservices (Communication Patterns, Distributed Transactions, Eventual Consistency)
- Commercial experience with frontend technologies (React, TypeScript)
- Knowledge in: Clean code practices, OOP, OOD, and Design Patterns
- Experience in engineering best practices (code reviews, testing coverage, agile methodologies).
- Experience with messaging systems (e.g. RabbitMQ / Kafka)
- Experience with ORMs (e.g. EntityFramework)
- Experience with unit and integration testing using testing frameworks (e.g. xUnit)
- Experience with troubleshooting, profiling, and debugging applications
Nice to have
- Understanding of network interactions (protocols, conventions (e.g. REST), authentication and authorization flows)
- Knowledge of Deployment patterns
- Angular experience is a plus.
- Team player attitude and mentality
- Ambitious and eager to learn new things
- Understanding of Agile/Scrum/SAFE
- B.Sc in computer science or equivalent
Personal skills
- Investigate issues
- Able to work in distributed cross-functional teams effectively
- Plan, schedule, and monitor your own work
- Have learning agility (readiness for challenge and being open to change)
Last Updated: June, 2025
