FULL TIME|Yerevan, Armenia · Remote|Posted 5/26/2026
Toptal /Senior Platform Engineer
Overview
Toptal is looking for a Senior Platform Engineer to contribute to the development of agentic AI tooling and platform infrastructure. The role focuses on building an orchestration platform that enables developers to run isolated AI-powered development sessions, work across backend, infrastructure, and frontend areas, and lead features from problem definition to production deployment.
Responsibilities
- Lead platform and feature development from problem statement to production deployment.
- Build and improve agentic AI tooling, workflows, and development processes.
- Work across backend, infrastructure, CLI tools, API services, Kubernetes, and frontend code when needed.
- Make technical decisions based on quality, performance, security, maintainability, and user impact.
- Implement quality gates and improve product reliability.
- Monitor product quality and resolve technical issues or bugs.
- Identify technical debt and suggest improvements to the technology stack.
- Collaborate with stakeholders to understand business value and propose technical alternatives.
- Support users of internal platform and tooling.
- Mentor teammates and contribute to engineering team growth.
- Participate in technical planning, architecture discussions, and process improvements.
Requirements
- 8+ years of professional software development experience.
- 5+ years of experience with systems-level or backend technologies such as Rust, Go, C/C++, or Java.
- Experience with DevOps, including containers, observability, and CI/CD.
- Rust experience is preferred.
- Kubernetes and Helm experience is preferred.
- Infrastructure-as-code experience, such as Terraform or similar tools, is preferred.
- Cloud platform experience is preferred; GCP is preferred, while AWS or Azure is also acceptable.
- React or frontend development experience is a plus.
- Experience using agentic development tools such as Claude Code, Codex, Gemini CLI, OpenCode, or similar tools.
- Strong understanding of functional and object-oriented programming.
- Strong knowledge of automated testing and software quality practices.
- Ability to work with high autonomy and identify what needs to be built.
- Excellent written and verbal English communication skills.
- Strong architecture mindset, attention to quality, and team-oriented approach.
Skills
PlatformEngineeringBackendDevelopmentRustGoC++JavaKubernetesHelmGCPAWSAzureDevOpsDockerContainersCI/CDObservabilityTerraformInfrastructureasCodeReactTypeScriptAPICLIToolsAgenticAIToolingAutomatedTestingSystemArchitectureCloudSoftwareQualityMentoringEnglishCommunication
Toptal
Toptal is a global talent marketplace that connects companies with the top 3% of freelance professionals worldwide. Founded in 2010, the platform specializes in providing elite software developers, designers, product managers, finance experts, and project managers for companies ranging from startups to Fortune 500 enterprises. Toptal is known for its rigorous screening and vetting process, ensuring high-quality talent and reliable project delivery. The company operates with a fully remote model, enabling businesses to build flexible, high-performing teams without geographical limitations.