Senior Software Engineer

Senior Software Engineer, Data OrchestrationBackgroundKlaviyo operates a real-time data analytics platform coded primarily in Python that is built for massive scale and hosted on Amazon Web Services (AWS). Engineers come to Klaviyo with experience in a variety of languages and from a number of disciplines.The Data Orchestration team is a part of the Data Orchestration group and is responsible for designing and building software that enables data transmission in and out of the Klaviyo platform through a variety of protocols and delivery mechanisms. Data Orchestration is responsible for building a unified framework for orchestrating data movement across Klaviyo domains. The team collaborates closely with internal stakeholders and has substantial exposure to Klaviyo's customers, including businesses, partners, and third-party developers. We operate at the intersection of distributed systems, data pipelining, software architecture, scalability, and reliability.At Klaviyo, we love tackling tough engineering problems and look for employees who specialize in certain areas but are passionate about building, owning & scaling features end to end from scratch and breaking through any obstacle or technical challenge in their way. We push each other to move out of our comfort zone, learn new technologies, and work hard to ensure each day is better than the last. Klaviyo is growing fast and we have openings for all skill levels across all of our teams. Learn more about our engineering culture at https://klaviyo.tech.How you’ll make an impactThis team is a key contributor to the evolution of Klaviyo into a data platform, enabling hundreds of thousands of Klaviyo customers to effectively leverage and activate their data. Critical components of the data platform include data collection and data distribution, which must be both reliable and scalable as Klaviyo continues to expand its support for various methods of data import and export. As a Senior Software Engineer, you will define and own the core components, tools, and customer-facing features for data collection and distribution. You will contribute to the advancement of our data movement framework and play a key role in enabling our customers and partners to move their data in and out of Klaviyo. You will be contributing to the vision, mission, and strategy of our product area and will work with a team of talented and experienced software engineers who are eager to grow fast and make an impact on the company.What you’ll doTake ownership of project segments and lead the delivery of new features, including their design, development, and deployment.Perform independent research, work with domain experts, collect, question, and improve requirements and drill down to core problems for larger features and projectsTake charge of a significant segment within your product domain, becoming its subject matter expert, and overseeing its development and evolution.Work closely with Product and tech leads to contribute to the roadmap that align with company worldwide growthContribute to the technical/architectural evolution of your product area; identify and advocate for scalability, reliability, and maintainability needsEstablished expertise in some Klaviyo and industry practices, patterns, tools, languages, and processes; share new insights and contribute beyond the team.Who you arePassionate about building software effectively and for the long-term. Have experience building products that matter. Have proven expertise in applying relevant design patterns to implementing highly-scalable multi-tenant systems.Like working on small, autonomous agile teams. Enjoy shipping code early and often in an agile fashion, pairing with product management, business stakeholders, and other engineers to craft better software.Have knowledge and experience working with distributed architectures and data processing systems. Have basic understanding of domain-driven design and data management patterns.Motivated by having ownership, excited about taking the initiative to solve tasks in collaboration with others.Enjoy mentoring fellow engineers, ensuring their skill development aligns with organizational growth.Love digging into performance, scalability, and reliability issues to drive breakthrough solutions. You recognize all problems can be solved and are capable of rallying others to address business needs.Tech StackWe are looking for a backend-focused engineer (6 plus years), experience with frontend development is preferred but not mandatory. Previous experience with big data stack is desirable. The tech stack you’ll be working with:Python, Django, FastAPIApache Kafka, Apache Pulsar, RabbitMQ, and other tech from the big data stackMySQL, RedisGraphite, statsd, GrafanaAWS, Terraform, Docker, Kubernetes, Jenkins, and other modern DevOps tools

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