Senior software engineer (API)

About Writer

Writer is the full-stack generative AI platform delivering transformative ROI for the world’s leading enterprises. Named one of the top 50 companies in AI by Forbes, Writer empowers hundreds of customers like Accenture, Intuit, L’Oreal, and Vanguard to transform the way they work.

Our all-in-one solution makes it easy to deploy customized AI apps and workflows that accelerate growth, increase productivity, and ensure compliance. Designed to provide enterprise-grade accuracy, security, and efficiency, Writer’s suite of development tools is supported by Palmyra – Writer’s state-of-the-art family of LLMs – alongside our industry-leading graph-based RAG and customizable AI guardrails.

Founded in 2020 with offices in San Francisco, New York City, and London, Writer is backed by strategic investors, including ICONIQ Growth, Insight Partners, WndrCo, Balderton Capital, and Aspect Ventures.

Our team of over 200 employees thinks big and moves fast, and we’re looking for smart, hardworking builders and scalers to join us on our journey to create a better future of work.

About This Role

As the founding API Software Engineer, you'll play a pivotal role in developing cutting-edge backend services and API solutions. Harnessing your expertise in Kong Konnect, your API development will be at the forefront of our AI Studio applications. You’ll build APIs from end to end where performance and code quality will be your guiding principles and your contributions will be crucial in shaping the future of our groundbreaking technology in the enterprise generative AI space.

Your Responsibilities

• Ensure API performance, security, and reliability through thorough testing, monitoring, and optimization.
• Design, develop, and maintain high-performance APIs that support our products and services.
• Work with API gateways and manage API deployments, including security, access control, and infrastructure provisioning using Terraform.
• Collaborate with backend engineers, SDK developers, and other stakeholders to define API requirements and specifications.
• Implement best practices for API design, including versioning, error handling, and documentation.
• Troubleshoot and resolve issues related to API performance, availability, and integrations.

Is This You?

• Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field.
• Minimum 5+ years of recent professional experience in API development including designing, building, and testing RESTful APIs.
• 5+ years of experience using Python or Typescript.
• Strong expertise in Kong Konnect and Terraform.
• Knowledge of Server-Sent Event (SSE) Streaming API, API security, and rate limiting techniques.
• Experience with testing frameworks and tools (e.g., Playwright, Postman, Mocha, Newman) for API testing.
• Excellent problem-solving skills and ability to work in a fast-paced, collaborative environment.
• Strong communication skills and ability to effectively articulate technical concepts to both technical and non-technical stakeholders.

Benefits & Perks

• Generous PTO, plus company holidays.
• Medical, dental, and vision coverage for you and your family.
• Paid parental leave for all parents (12 weeks).
• Fertility and family planning support.
• Early-detection cancer testing through Galleri.
• Flexible spending account and dependent FSA options.
• Health savings account for eligible plans with company contribution.
• Annual work-life stipends for:
• Home office setup, cell phone, internet.
• Wellness stipend for gym, massage/chiropractor, personal training, etc.
• Learning and development stipend.
• Company-wide off-sites and team off-sites.
• Competitive compensation, company stock options, and 401k.

Writer is an equal-opportunity employer and is committed to diversity. We don't make hiring or employment decisions based on race, color, religion, creed, gender, national origin, age, disability, veteran status, marital status, pregnancy, sex, gender expression or identity, sexual orientation, citizenship, or any other basis protected by applicable local, state or federal law. Under the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.