# Software Engineer II – Integrations & API Connectivity

**Company**: Mastercard
**Location**: Navi Mumbai, India
**Experience**: mid
**Job type**: full-time
**Category**: Engineering
**Industry**: Finance

**Apply**: https://mastercard.wd1.myworkdayjobs.com/en-US/CorporateCareers/job/Navi-Mumbai-India-Finicity/Software-Engineer-II---Integrations---API-Connectivity_R-289567?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/jobs/job_67bf1709-30c

## Description

Mastercard is seeking a Software Engineer II to join their Open Finance Europe – Connectivity team. As a hands-on engineer, you will be responsible for building, testing, and supporting secure, reliable backend services.

**Job Summary** You will contribute to the development of scalable solutions, collaborate with experienced engineers on system design and implementation, and help deliver high-quality software that operates in production environments.

**Responsibilities**

- Develop, test, and support scalable APIs and backend services

- Contribute to the design and implementation of reliable, maintainable software solutions

- Deliver high-quality code throughout the software development lifecycle

- Troubleshoot and resolve application and production issues under guidance from senior team members

- Participate in code reviews and follow established engineering best practices and standards

- Implement and maintain unit, integration, and end-to-end tests

- Collaborate with cross-functional teams including Product, Architecture, Security, and SRE

- Support efforts to improve observability, automation, and operational efficiency across services

- Continuously learn and apply new technologies, tools, and engineering practices

**Technology Stack**

- Backend: C#, .NET, Web APIs

- Cloud: Azure (App Services, KeyVault, Blob Storage), AWS (S3, Redis, Microservices)

- Data: PostgreSQL, Flyway

- Practices: CI/CD pipelines, observability, secure development

- Plus: Java / Spring Boot, AI-assisted tools (e.g., GitHub Copilot)

**Requirements**

- 2-4 years of professional software engineering experience

- Experience developing backend applications and APIs using modern programming frameworks

- Familiarity with cloud platforms and distributed systems concepts

- Understanding of software development lifecycle (SDLC), testing practices, and secure coding principles

- Ability to analyze and solve technical problems with guidance from senior engineers when needed

- Experience delivering software components and features in a collaborative team environment

- Strong communication and teamwork skills

- Commitment to learning, continuous improvement, and engineering excellence

**Preferred Qualifications**

- Experience in payments, banking, or Open Banking (PSD2) environments

- Exposure to microservices-based architectures

- Familiarity with monitoring, observability, and production support practices

- Experience using AI-assisted development tools (e.g., GitHub Copilot)

## Skills

### Required
- C#
- .NET
- Web APIs
- Azure
- AWS
- PostgreSQL
- Flyway
- CI/CD pipelines
- observability
- secure development

### Nice to have
- Java
- Spring Boot
- GitHub Copilot
- microservices
- Open Banking
- PSD2

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Source: [Apply at mastercard.wd1.myworkdayjobs.com](https://mastercard.wd1.myworkdayjobs.com/en-US/CorporateCareers/job/Navi-Mumbai-India-Finicity/Software-Engineer-II---Integrations---API-Connectivity_R-289567?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)