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Senior Full Stack Engineer

Lithuania - Vilnius💼 Full-time💰 $4,800–$6,000🗓 2026-09-18 → 2026-09-26

Core

Lead R&D and proof-of-concept deliveries for cloud-native solutions in global financial markets, taking responsible AI solutions from concept to production.

Role type

Senior Full Stack Engineer (AI/FinTech)

Builds

Cloud-native solutions, secure integrations, and AI-assisted workflows for financial markets.

Domain

Financial services / Cloud-native AI

Deliverable

production ML models | product features

Required skills

Java (Spring, OOP, SOLID), React, TypeScript, SQL, Docker, Kubernetes, AWS (EKS, RDS, IAM), Architecture design, Mentoring

Preferred skills

LLM/agent development (function calling, RAG, prompt engineering), OAuth2/OIDC, Infrastructure-as-code (Terraform/OpenTofu), Fintech background

Technologies

Java, Spring, React, TypeScript, SQL, Docker, Kubernetes, AWS, Terraform, OpenTofu

Responsibilities

Lead R&D and proof-of-concept deliveries; Design and own secure integrations; Establish software engineering best practices; Drive cross-functional initiatives (testing, deployment, observability); Promote AI-assisted tooling adoption.

Seniority

Senior, hands-on IC with mentorship responsibilities

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