About TexAu TexAu empowers sales and marketing teams by providing the data they need to fuel growth We re building a powerful platform that automates data collection cleaning and enrichment helping our users identify and connect with the right prospects ultimately driving more deals and better marketing outcomes Think of us as the go-to solution for actionable sales and marketing intelligence TexAu Find Leads Anywhere Reach People Everywhere As a Senior Engineer you will be instrumental in designing developing and maintaining the critical backend systems that power our API marketplace You ll leverage your deep expertise in building distributed systems optimizing for performance and reliability and working with modern cloud-native technologies This is an opportunity to architect and implement solutions that will impact millions of developers and businesses worldwide Key Responsibilities Design and implement scalable and resilient microservices using NestJS Node js TypeScript and potentially Go for high-concurrency tasks Develop robust data models and optimize database interactions with PostgreSQL Redis ClickHouse BigQuery and potentially NoSQL databases like MongoDB DynamoDB Architect and implement real-time event processing pipelines using technologies like Kafka or similar messaging systems Build and maintain RESTful and potentially gRPC APIs for internal and external communication Implement comprehensive unit integration and end-to-end tests to ensure code quality and reliability Collaborate closely with frontend mobile and product teams to define and deliver high-quality features Participate in code reviews providing constructive feedback to ensure code quality and adherence to best practices Troubleshoot and resolve production issues ensuring the stability and uptime of our platform Contribute to the design and implementation of our multi-region architecture including active-active and failover strategies Implement and maintain API rate limiting authentication and authorization mechanisms Participate in the on-call rotation to ensure the continuous availability of our services Mentor and guide junior engineers on the team Contribute to the evolution of our technology stack and engineering best practices Who You Are You are a seasoned backend engineer with a passion for building scalable and reliable systems You have a deep understanding of distributed systems microservices architecture and cloud-native development You are proficient in at least one of our core backend technologies NestJS Node js TypeScript or Go You have extensive experience working with relational and NoSQL databases at scale You are a strong problem-solver with excellent debugging and troubleshooting skills You are a cooperative team player with excellent communication skills You are proactive self-motivated and take ownership of your work You have a strong understanding of software engineering principles and best practices Requirements Bachelor s or Master s degree in Computer Science or a related field Minimum of 5 years of professional experience in backend development Strong proficiency in Node js TypeScript NestJS preferred OR Go Extensive experience with relational databases PostgreSQL preferred and NoSQL databases Experience designing and implementing RESTful APIs Experience with message queueing systems e g Kafka RabbitMQ SQS Solid understanding of cloud platforms AWS GCP or Azure Experience with containerization and orchestration technologies Docker Kubernetes Familiarity with monitoring and logging tools e g Prometheus Grafana Loki ELK 2 Experience with CI CD pipelines and infrastructure-as-code e g Terraform CloudFormation Strong understanding of software testing principles and practices Bonus Points Experience with caching strategies e g Redis Memcached Experience with building multi-region applications Familiarity with security best practices for web applications and APIs OAuth 2 0 etc Contributions to open-source projects Experience in the API marketplace or platform space If you are a highly skilled and motivated Senior Backend Engineer looking for a challenging and rewarding opportunity to build a world-class API marketplace we encourage you to apply Job Type Full-time Pay 85 000 00 - 95 000 00 per month Work Location In person