Senior Software Engineer

The Senior Software Engineer is responsible for designing, developing, delivering, and supporting complex capabilities across the iT1 Nucleos AchieveDXP platform. This position serves as a senior individual contributor with broad full-stack ownership and is accountable for translating ambiguous business and technical requirements into secure, reliable, production-ready solutions. The role supports the continued scale of a digital experience platform used by education, workforce, and justice-sector programs and is expected to expand in technical scope, mentorship, and leadership responsibility as the engineering organization grows.

Essential Functions:

- Design, develop, test, deploy, and support production features across the full technology stack, including a React and TypeScript front end, Node.js and Express APIs, PostgreSQL, a Rust network-proxy layer, and the AchieveDXP content-integration framework.

- Own significant platform components and technical initiatives from architecture and design through implementation, deployment, monitoring, reliability, and ongoing improvement.

- Develop and operationalize AI-enabled capabilities, including large language model features, agentic workflows, retrieval-augmented generation, evaluations, model selection, guardrails, and secure data-handling patterns.

- Maintain secure and reliable services for multi-tenant, per-facility deployments in Azure Kubernetes environments using technologies such as Helm, Terraform, ArgoCD, containers, and CI/CD pipelines.

- Contribute to architecture decisions, engineering standards, code reviews, testing practices, technical documentation, and the identification and resolution of platform risks.

- Partner with product, implementation, customer-facing, and engineering stakeholders to clarify requirements, explain technical tradeoffs, and deliver solutions that address user and business needs.

- Participate in the redesign and continued scaling of AchieveDXP to support increased usage and expansion into adult education and workforce development programs.

- Mentor engineers, share technical knowledge, and help strengthen a distributed, high-trust engineering culture.

- Perform other duties and responsibilities as assigned.

Requirements
- Minimum of six years of professional experience building and supporting production software, including substantial full-stack development responsibility.

- Demonstrated experience independently owning complex or ambiguous technical problems from definition through production delivery.

- Demonstrated experience delivering AI or large language model capabilities to production, including experience with agents, retrieval-augmented generation, evaluations, and pragmatic model selection.

- Advanced proficiency with TypeScript, JavaScript, React, Node.js, relational database design, API design, and PostgreSQL.

- Experience with cloud-native development and operations, including containers, Kubernetes, and CI/CD practices.

- Ability to communicate technical concepts and tradeoffs clearly to technical and nontechnical stakeholders.

- Ability to work effectively with customers and internal partners in a distributed work environment.

- Must be based in and authorized to work in the United States.

PREFERRED QUALIFICATIONS:
- Experience with Rust, Tokio, or Actix, or demonstrated ability and willingness to learn Rust.

- Experience with browser automation, browser extensions, Manifest V3, proxy technologies, or network filtering.

- Experience working with distributed or India-based engineering teams.

- Experience in education technology or in secure, regulated, restricted, or air-gapped environments.

- Experience mentoring engineers or assuming technical leadership responsibilities.

OTHER SKILLS / ABILITIES:
- Strong analytical, problem-solving, and decision-making skills.

- Ability to balance product outcomes, user needs, security, reliability, and delivery prior