**Calling all innovators – find your future at Fiserv.** We’re Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day – quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we’re involved. If you want to make an impact on a global scale, come make a difference at Fiserv. **Job Title** Specialist, Software Development Engineering + You will be part of a team of dynamic professionals working on a high-profile product development assignment. This involves the most advance concepts of software development for core banking applications such as open banking & microservices. You will be involved in all steps of the ongoing Software Development Life Cycle (SDLC) including but not limited to; planning, requirements analysis, coding, unit testing and issue management. + Design, build, test, and document software on a progressive technology stack + In-depth understanding and demonstrated expertise working with Microsoft stack including C# and ASP.NET MVC + Building API using any of these technologies WCF, Web API + Good understanding of RESTful API + Understanding of middleware and integration technology + Experience in API design , advanced proxies , analytics + API Security : API Key validation , Authentication , Authorization and Identity + Knowledge of installation and configuration , platform operations , trouble shoot and support of API products + Strong problem-solving skills + Strong understanding of unit testing, mocking and integration testing + Extensive experience with distributed systems and micro-services design principles + Deep knowledge of software engineering and computer science fundamentals (e.g. design patterns, best practices, etc.) + Tenacious desire to continually learn new technologies Additional Job Description + Familiarity with UI technologies such as ReactJS/Angular + Strong relational database skills as well as exposure to SQL technologies + Experience with Open API standards + Familiarity with Swagger + Familiarity with .Net core + Experience with Agile development Thank you for considering employment with Fiserv. Please: + Apply using your legal name + Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable). **Our commitment to Diversity and Inclusion:** Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law. **Note to agencies:** Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions. **Warning about fake job posts:** Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.