> Markdown version of [/jobs/ext/3975580-senior-software-engineer](https://www.wearedevelopers.com/jobs/ext/3975580-senior-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer - **Company:** Magnify II, Inc. - **Location:** Seattle, WA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Application Integration Architecture, Relational Databases, Web Development, Distributed Computing Environment, Python (Programming Language), Machine Learning, Cloud Services, Salesforce.Com, Software Engineering, Systems Architecture, TypeScript, Web Applications, Enterprise Software Applications, Cloud Platform System, ReactJS, Backend, Information Technology, Marketo, Api Design, Microservices - **Published:** October 27, 2026 - **Apply:** https://www.careerbuilder.com/job-details/senior-software-engineer-seattle-wa--d50a07aa-1f14-422d-aa3b-abb1386216d3 ## About the Role Software Engineering, Post-Sales, Machine Learning, Sales, High Tech Industry, Enterprise Applications, Revenue Growth, Marketing, Automation, Startup, * Bachelor's degree in Computer Science or related field.7+ years of experience working as a software engineer building applications in a high growth, startup environment. * Demonstrated success leading and delivering complex software projects with limited oversight in a distributed environment. * Strong proficiency in web application development, including data modelling across relational and non-relational data stores, API development, asynchronous workflow orchestration, and development of web-based UIs (e.g., React).Advanced proficiency with Typescript/Javascript, Python, or an equivalent language. * Experience with cloud native environments and Amazon Web Services. * Excellent written and verbal communication skills. * Passionate about delivering for users and collaborating with teammates. * Have a strong bias for action, a track record of moving quickly, and the ability to identify where and when scrappiness is the right approach versus those places where deeper rigor is required. ## Description * Designing and implementing backend systems, services, and APIs, including driving our technical strategies, enabling deep bidirectional integrations with a breadth of external services such as Salesforce, Pendo, Gainsight, Marketo, and more. * Building out system microservices, developing cloud services, and supporting application integrations. * Defining system architectures, service contracts, and interfaces to reduce complexity and ease consumption of our platform capabilities. * Establishing and managing AWS-hosted infrastructure and services. * Working with the data science team to build models and simulations. * Mentoring other members of the engineering team.