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Tech Stack
Tools & technologiesAWSCloudGoJavaScriptPostgresPythonSQLTypeScript
About the role
Key responsibilities & impact- Build and ship internal applications, services, and shared libraries end to end from API to the data layer.
- Design, query, and tune our managed data platforms while keeping schemas, migrations, and query performance healthy.
- Maintain the internal SDK that routes apps through the model gateway, injects keys, and adds tracing and cost headers, so teams write less code and we keep control of prompts and guardrails.
- Run and harden the model gateway used by every team, including high availability across zones and clean dev, staging, and production environments.
- Build and operate the cloud services behind the platform, including container compute, managed databases, caching, storage, and secrets.
- Build and run the CI/CD pipelines, container registry, and monorepo tooling that every app depends on.
- Own platform security maintenance by patching CVEs and security findings quickly during business hours.
- Work with the Security team to implement core safety controls, including image and code scanning, secret scanning, access control, identity and sign-on, and audit logging.
- Keep the platform reliable and observable through logging, tracing, issue resolution, and steady improvement.
- Support cost visibility by tagging usage, building spend and chargeback views, and helping keep spend sensible.
- Write clear documentation and provide practical support so teams can adopt the platform without friction.
Requirements
What you’ll need- 4+ years of experience in software engineering, platform engineering, infrastructure engineering, or DevOps, with hands-on coding at the center of the role.
- Strong coding skills in at least two of TypeScript, JavaScript, Go, and Python, plus solid software fundamentals such as testing, code review, and clean API design.
- Solid database experience, including schema design, SQL, and query tuning, ideally with Postgres.
- Proven hands-on AWS experience, having built and run real services across compute, databases, networking, IAM, and common managed services.
- Experience with CI/CD pipelines, containers, and source control workflows.
- Hands-on comfort with LLM and AI tooling at the application level, including model APIs, prompts, retrieval, and guardrails.
- Comfortable owning security maintenance, including quickly patching CVEs and handling incidents during business hours.
- A good grasp of access control, identity, logging, and keeping systems secure.
Benefits
Comp & perks- An Equal Opportunity Employer - All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.
- By submitting your application, you acknowledge that Sembi, Inc. will process and retain your resume and related personal information solely for recruitment and hiring purposes.
- Resumes of unsuccessful candidates will be securely deleted within twelve (12) months of the hiring decision, unless a longer period is required by law or you provide explicit consent for continued retention (e.g., for consideration for future opportunities).
- In compliance with applicable privacy laws, including the EU General Data Protection Regulation (GDPR), you have the right to request access to, correction of, or deletion of your personal information at any time by contacting compliance@sembi.com.
- Sembi, Inc. does not sell candidate data and will ensure that all personal information is processed securely and in accordance with relevant data protection regulations.
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Hard Skills & Tools
TypeScriptJavaScriptGoPythonSQLSchema DesignQuery TuningAPI DesignTestingCode Review