Senior Software Engineer II Platform & Integrations (Backend)

We are looking for a Senior Software Engineer II to design build and operate large-scale distributed systems and services for an enterprise SaaS this role you will help shape resilient AI-native software delivery practices while building high-availability services that support modern cloud platforms and customer-facing product experiences.

The Platform and Integrations team is building the core services that provide foundational support to the entire Seismic Platform. With autonomy and ownership you will apply an AI-first development philosophy cloud-native architectures and leading-edge technologies to build and maintain features critical to the user experience.

• Extensive experience designing and operating enterprise-grade SaaS systems distributed services and cloud operational infrastructure for scalability reliability security and high availability.

• 7 years of experience with C# or another major object-oriented programming language and web services.

• 3 years of experience with PostgreSQL or major RDBMS including performance tuning maintenance schema design and operational best practices.

• Proficiency with Test-Driven Development (TDD) Domain-Driven Design (DDD) API testing and modern engineering quality practices.

• Experience with event-driven architectures using technologies such as Kafka or RabbitMQ and in-memory data stores such as Redis.

• Hands-on experience with container technologies and cloud-native platforms such as Docker Kubernetes Istio etcd and service mesh architectures.

• Experience with AWS GCP or Azure including deploying and operating containerized workloads on Kubernetes in production.

• Familiarity with CI/CD pipelines Infrastructure as Code and tools such as Terraform or Pulumi.

• Experience mentoring engineers leading design reviews and influencing technical direction across teams.

• Proven ability to collaborate effectively with product design engineering and globally distributed teams.

• Experience working in a fast-paced dynamic environment preferably in a SaaS or technology-driven company.

Preferred qualifications

• Experience with AI-native development tools and platforms such as Claude GitHub Copilot Agentforce or similar tools.

• Hands-on experience with LLMs RAG model integration patterns AI-assisted workflows or intelligent product features.

• Experience with observability analytics automation or data platforms such as New Relic Snowflake Ansible or Python.

• Experience with major CRM ecosystems such as Salesforce or Microsoft Dynamics.

• Bachelors or Masters degree in Computer Science Engineering or a related field or equivalent practical experience.

Why this role matters

This role is an opportunity to help build the next generation of enterprise SaaS systems in an AI-native engineering environment. You will have meaningful impact on platform architecture developer productivity service reliability and the intelligent capabilities that power customer-facing products while growing with a collaborative team that values ownership innovation and technical excellence.

• Design develop and operate enterprise-grade distributed systems and services that are scalable reliable secure and highly available.

• Own end-to-end technical design for key services and subsystems evaluate architectural trade-offs and drive implementation decisions across backend services cloud infrastructure and data platforms.

• Build and maintain production services using C#/.NET or other major object-oriented programming languages web services and modern API patterns.

• Apply AI-native development practices including LLM-assisted development retrieval-augmented generation (RAG) and agentic workflows to accelerate delivery and build intelligent product capabilities.

• Collaborate closely with product management design and distributed engineering teams to translate business needs into technical solutions from concept through launch.

• Improve engineering quality through Test-Driven Development (TDD) Domain-Driven Design (DDD) automated testing observability and operational excellence.

• Identify and drive improvements to system reliability performance scalability and developer experience across the platform.

• Participate in on-call support rotations and incident response to ensure service reliability availability and timely resolution of production issues.

• Mentor engineers participate in design and code reviews and help raise the technical bar across globally distributed teams.

If you are an individual with a disability and would like to request a reasonable accommodation as part of the application or recruiting process please click here.

Headquartered in San Diego and with employees across the globe Seismic is the global leader in salesenablement backed by firms such as Permira Ameriprise Financial EDBI Lightspeed Venture Partners and T. Rowe Price. Seismic also expanded its team and product portfolio with the strategic acquisitions of SAVO Percolate Grapevine6 and Lessonly. Our board of directors is composed of several industry luminaries including John Thompson former Chairman of the Board for Microsoft.

Seismic is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to gender age race religion or any other classification which is protected by applicable law.

Please note this job description is not designed to cover or contain a comprehensive listing of activities duties or responsibilities that are required of the employee for this job. Duties responsibilities and activities may change at any time with or without notice.