Senior Full-Stack Software Engineer (Cyber Security and AI)

Our family-style company is looking for a strong Senior Full-Stack Software Engineer (8+ years). This is a long-term, full-time position in a startup in the field of Cyber Security and AI.

About the Role
Our client has raised more than $11 million in a seed round. The role is a backend-oriented full-stack position, but it requires strong frontend execution as well. Day-to-day work includes building and owning features end-to-end mainly across React + Node.js, but also involves a few services in GO and Python. The work includes CRUD workflows, DB schema changes SQL work, and AI integrations. You’ll work closely with developers, Team Leads, and PMs, in a highly collaborative Agile environment.

What you’ll do:

• Full-stack feature ownership (backend-leaning), including React UI work and backend/API delivery.
• Core implementation areas: CRUD flows, SQL database work, schema changes with Drizzle ORM, and AI integrations.
• Production-grade engineering: monitoring, debugging, performance optimization, and handling incidents/issues in real environments.
• Architecture work: designing systems or significantly evolving existing architectures with clear trade-off thinking (performance, scalability, cost, and maintainability).

What We’re Looking For:

• Core Languages: Type Script and Node.js (core services).
• Frontend: React, Shadcn.
• Backend & API: Node.js, Fastify / NestJS.
• Database & Storage: PostgreSQL, Drizzle ORM.
• Testing Standards: Jest (Unit tests), Playwright (E2E tests).
• Strong understanding of scalable systems and software architecture.
• Ability to mentor professionally mid- level developers.
• Startup experience (will be a significant advantage).
• Ownership of features end-to-end.
• Strong communication skills.
• Advanced English proficiency.

Nice to have:

• Experience with Go and Python (will be a significant advantage).
• Infrastructure & DevOps: AWS / GCP, GitHub Actions, Docker, CI/CD pipelines, Kubernetes.
• Technical curiosity toward cyber security / reverse engineering / traffic sniffing.

What we offer:

• A really promising long-lasting project (you will be proud of yourself).
• Sane and polite, but effective management.
• The best corporate culture (according to our teammates' opinions).
• Competitive salary and other stuff.
• Remote work, full time.
• Becoming not just another team member, but a part of UKAD with unique value and long-term relationships.

Some facts about UKAD to help you make a decision:
During 2022-2025, we only increased cooperation with our foreign partners.
UKAD combines benefits of family-sized companies, like no bureaucracy, easy access to the executives, with sustainable growth and vast opportunities.
Our company is strong enough to be not just a vendor but a tech partner. We can afford to choose customers that respect developers.
UKAD is one of the leading employers in Kharkiv, according to DOU.

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