Company Overview: Pulsate is a leading Mobile Engagement Platform tailored for Financial Institutions. Our platform enables personalized, real-time, and proactive messaging to customers, ensuring that financial decisions are made with the institution top of mind. In a nutshell: we build tech that drives personalization and growth for financial institutions. Backed by industry experts, we have established partnerships with numerous credit unions and community banks across the United States.Position Overview: We are looking for a Senior Backend Developer with over 5 years of expertise in Ruby or Python, a strong understanding of AI-focused development, and extensive experience working with AWS, Docker, GitHub Actions, and CI/CD pipelines. You will play a crucial role in architecting and building scalable backend systems, handling large-scale data ingestion and ETL pipelines, and ensuring best practices in data processing, database design, and system architecture.Key ResponsibilitiesArchitect and build scalable backend solutions using Ruby or Python, ensuring high performance and maintainability.Design, implement, and optimise AI-driven applications and services.Develop and manage ETL pipelines and large-scale data ingestion workflows.Ensure efficient data transformation, cleaning, and storage using best practices.Optimize and maintain PostgreSQL databases, ensuring scalability, performance tuning, and indexing strategies for high-volume workloads.Handle high-throughput data processing and design solutions for real-time and batch data workflows.Develop and manage CI/CD pipelines, GitHub Actions, and workflows to streamline deployments.Design and implement integration and unit testing to ensure system reliability.Leverage AWS services to build cloud-native applications.Write clean, efficient, and well-documented code, following industry best practices.Collaborate with AI, DevOps, and frontend teams to deliver robust and efficient solutions.Drive best practices in system design, microservices architecture, and API development.Qualifications:Experience: 5+ years of experience in backend development using Ruby (Rails) or Python (Django/FastAPI/Flask).Technical Skills:Strong experience in AWS services (Lambda, ECS, S3, DynamoDB, API Gateway, etc.).Strong experience with ETL pipelines and handling large-scale data ingestion and transformation.Experience with AWS data services such as AWS Glue, Kinesis, Redshift, Athena, and DynamoDB.Expertise in Docker and containerized application development.Proven ability to design scalable system architectures and implement best practices.Strong experience with CI/CD pipelines and GitHub Actions/Workflows.Solid knowledge of integration and unit testing.Experience with RESTful APIs and microservices.Strong problem-solving skills and ability to work in fast-paced environments.Soft Skills:Excellent communication & teamwork: You’re able to explain complex technical concepts clearly to different teams.Problem-solving & adaptability: You thrive in an agile environment and can navigate challenges with creative solutions.Ownership & accountability: You take full responsibility for your work and drive initiatives forward independently.Curiosity & continuous learning: You stay updated on best practices, new technologies, and AI advancements.Collaboration & mentorship: You contribute to a positive team culture and help mentor junior developers.Preferred Qualifications:Experience in the fintech sector or with customer engagement platforms.Experience with AI/ML frameworks (TensorFlow, PyTorch, OpenAI API, etc.).Knowledge of event-driven architectures and message queues (Kafka, RabbitMQ, SQS).Exposure to Infrastructure as Code (Terraform, AWS CDK, Pulumi).Familiarity with serverless computing and Lambda-based architectures.