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Sun King

Off-grid solar home systems provider

Application Security Engineer

Security Engineering & ArchitectureUpdated on Nov 13
Full-timeNew Delhi, Delhi, IndiaNo salary listedRemote

About the Job

Requirements

  • A bachelor's degree in Computer Science, Cyber Security, or a related field.
  • At least 2 years of hands-on application security experience, ideally in product-based or SaaS companies working directly with engineering teams.
  • A good understanding of OWASP Top 10, API Security Top 10, and common authorization flaws, including BOLA, BFLA, and privilege escalation.
  • Experience manually testing web applications, APIs, and Android applications, and conducting manual code reviews beyond running tools.
  • Familiarity with OAuth2, OIDC, JWT, and typical misconfigurations in providers such as Keycloak and Firebase.
  • Experience integrating and tuning SAST/DAST tools within CI/CD pipelines; experience with SCA/IAST tools is optional.
  • Exposure to cloud-native security, including Kubernetes, containers, service mesh (Istio mTLS and policies), and IAM concepts across at least one major cloud provider.
  • Familiarity with AI/LLM security risks, such as OWASP LLM Top 10.
  • Ability to script or automate with tools such as Python or Bash to streamline testing, data collection, and reporting.

Responsibilities

  • Own application security for assigned business functions by performing threat modeling, architecture reviews, penetration testing, secure coding programs, and vulnerability management.
  • Perform manual penetration testing and vulnerability assessments on web applications, APIs, and Android mobile applications.
  • Perform security reviews for AI-native products, models, pipelines, and inference services.
  • Onboard applications into the SSDLC program and serve as a security point of contact for the application product.
  • Own security incident response for product-layer issues, define remediation plans, and track fixes through completion.
  • Integrate and tune SAST/DAST/IAST/SCA tools in CI/CD, create custom rules where needed, and triage false positives.
  • Review and harden cloud infrastructure, including Kubernetes RBAC, pod security, network policies, Istio service mesh, Keycloak/OIDC configurations, and IAM across AWS, DigitalOcean, GCP, and Firebase.
  • Communicate vulnerabilities and risk clearly to developers, product managers, and leadership in actionable terms.
  • Conduct application security training for engineers and product managers.

Desired Qualifications

  • Experience with Cloudflare WAF, perimeter security scanning, and/or red-team testing.
  • Practical experience implementing guardrails, prompt validation, output filtering, or other safety controls in production AI features, or assessing insecure use of third-party AI APIs.
  • Interest in or experience building AI-based security tools that improve coverage or reduce manual toil.

About the Company

Sun King

Off-grid solar home systems provider

Sun King designs, manufactures, distributes, and finances solar home energy products for off-grid communities in Africa and Asia. Its range includes solar lanterns and solar home systems with inverters and storage that can power lights, radios, phones, and household appliances, all financed through a pay-as-you-go model with small mobile money installments after a low upfront payment. The company differentiates itself with an end-to-end approach—handling product design, manufacturing, distribution, and financing—supported by a large field-agent network and strategic acquisitions like PayGo Energy to expand into clean cooking. Its goal is to increase energy access by helping households leapfrog kerosene and unreliable grids, aiming to reach millions of homes and businesses, including over 2 million in Ethiopia by 2030.

Company size
1,001-5,000
Company stage
Debt Financing
Total funding
$864.9M
Headquarters
Chicago, IL
Founded
2008

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