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Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves. About Five9 Five9 is a global leader in cloud software for the enterprise contact center market, powering billions of customer interactions annually. Since 2001, Five9 has been at the forefront of the cloud revolution, helping organizations deliver exceptional customer experiences, improve productivity, and achieve measurable business outcomes. We are expanding our engineering and delivery teams in Bangalore and are seeking passionate professionals to help design, implement, and scale Five9s next-generation cloud-native services Overview We are looking for a highly skilled Full-Stack Developer with expertise in .NET Core, to develop and maintain scalable web applications and microservices. The ideal candidate will have strong problem-solving skills, experience in modern software development, and a passion for creating robust, high-performance applications. Key Responsibilities Backend Development: Design, develop, and maintain microservices and APIs using .NET Core. Should have a good understanding of .NET Framework. Implement RESTful APIs, ensuring high performance and security. Optimize database queries and design schemas for SQL Server / Snowflake / MongoDB. Software Architecture & DevOps: Design and implement scalable microservices architecture. Work with Docker, Kubernetes, and CI/CD pipelines for deployment and automation. Ensure best practices in security, scalability, and performance. Collaboration & Agile Development: Work closely with UI/UX designers, backend engineers, and product managers. Participate in Agile/Scrum ceremonies, code reviews, and knowledge-sharing sessions. Write clean, maintainable, and well-documented code. Qualifications & Skills 7+ years of experience as a Full-Stack Developer. Strong experience in .NET Core, C#. Proficiency in React.js, JavaScript (ES6+), TypeScript. Experience with RESTful APIs, Microservices architecture. Knowledge of SQL / NoSQL databases (SQL Server, Snowflake, MongoDB). Experience with Git, CI/CD pipelines, Docker, and Kubernetes. Familiarity with Cloud services (Azure, AWS, or GCP) is a plus. Strong debugging and troubleshooting skills Nice to Have Experience with GraphQL, gRPC, or WebSockets Knowledge of authentication/authorization frameworks (OAuth, JWT, Identity Server) Exposure to serverless architecture and cloud-native best practices Background in automated testing (unit, integration) Why Five9 At Five9, we believe that technology is only as powerful as the people behind it. Youll be part of a team that values collaboration, innovation, and accountability, and youll have the opportunity to make a meaningful impact on how global enterprises engage with their customers. Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills. The more inclusive we are, the better we are. Five9 is an equal opportunity employer. View our privacy policy, including our privacy notice to California residents here: https://www.five9.com/pt-pt/legal. Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9. .
Here's how to pick the right one and stand out in your application.
144.883Jobs
31.687IN
81%EN
That number is real. WorkMundi's database shows 144,883 open engineer roles across the world. India has the most with 31,687 jobs, followed by the United States with 30,084. If you just finished reading one job ad and felt paralyzed by choice, you're not alone—but this scale is actually an advantage. It means you can afford to be selective.
Start by geography and language. The majority of engineer ads—117,837 of them—have the job posting text written in English. Use that as one filter, but remember: the ad text language tells you nothing about whether the role actually requires you to speak English day-to-day. Read the job description carefully. Then check which countries have the volume you're targeting. Singapore, Poland, and Australia round out the top five after India and the US.
Next, learn who's hiring. Accenture has posted 2,801 engineer roles. andurilindustries, speechify, and jobgether are also actively recruiting. If you're applying to one of these names, research their hiring patterns and interview style before you apply. That homework pays off.
When you interview, expect the question every engineer hears: 'Tell me about a time you had to debug a problem that wasn't in your job description.' Have a specific story ready—not a general one. Name the tools, the deadline pressure, and what you learned. Hiring managers listen for whether you see problem-solving as part of the role itself, not a favour.