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Full-stack engineer specialising in AI-powered platforms at the intersection of software engineering and applied machine learning. At Lapis AI, I have shipped production LLM workflows, vector search pipelines, RBAC systems, and real-time collaboration features as core product capabilities. I’m equally comfortable owning a React interface, a Python backend, or an AI integration end to end. I focus on translating complex AI capabilities into intuitive user experiences and delivering production-ready solutions end to end.…Full-stack engineer specialising in AI-powered platforms at the intersection of software engineering and applied machine learning. At Lapis AI, I have shipped production LLM workflows, vector search pipelines, RBAC systems, and real-time collaboration features as core product capabilities. I’m equally comfortable owning a React interface, a Python backend, or an AI integration end to end. I focus on translating complex AI capabilities into intuitive user experiences and delivering production-ready solutions end to end.

Marija Ivanišević Wallace

Full Stack Developer, AI Engineer, Software Engineer, +2

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Full-stack engineer specialising in AI-powered platforms at the intersection of software engineering and applied machine learning. At Lapis AI, I have shipped production LLM workflows, vector search pipelines, RBAC systems, and real-time collaboration features as core product capabilities. I’m equally comfortable owning a React interface, a Python backend, or an AI integration end to end. I focus on translating complex AI capabilities into intuitive user experiences and delivering production-ready solutions end to end.…Full-stack engineer specialising in AI-powered platforms at the intersection of software engineering and applied machine learning. At Lapis AI, I have shipped production LLM workflows, vector search pipelines, RBAC systems, and real-time collaboration features as core product capabilities. I’m equally comfortable owning a React interface, a Python backend, or an AI integration end to end. I focus on translating complex AI capabilities into intuitive user experiences and delivering production-ready solutions end to end.

Available to hire

Full-stack engineer specialising in AI-powered platforms at the intersection of software engineering and applied machine learning. At Lapis AI, I have shipped production LLM workflows, vector search pipelines, RBAC systems, and real-time collaboration features as core product capabilities.

I’m equally comfortable owning a React interface, a Python backend, or an AI integration end to end. I focus on translating complex AI capabilities into intuitive user experiences and delivering production-ready solutions end to end.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Croatian

Fluent

Spanish; Castilian

Intermediate

Italian

Beginner

Work Experience

Full-Stack Software Engineer at Lapis AI

September 1, 2025 - Present

Designed and implemented multimodal image support in a multi-tenant enterprise AI platform (V3 chat), including a provider abstraction layer that converts an internal image representation into multiple LLM provider formats and a history replay mechanism to re-inject image context across multi-turn conversations. Contributed to LangGraph-based document extraction pipelines using Pydantic output schemas, tiered named entity resolution with explicit abstention for ambiguous matches, and audit records that link every extracted value to its source passage. Built financial data modeling logic including deterministic period algebra and a DAG-based metric hierarchy with cascade recomputation. Developed a six-phase multi-agent research generation pipeline with background tasks and per-question progress tracking. Implemented data quality checks (period consistency, calculation verification, hierarchy mismatch detection) and delivered product capabilities including quota analytics, editable data

Software Engineer at Pharmaceutical & Pharmacovigilance Software

January 1, 2024 - September 1, 2025

Worked on pharmaceutical and pharmacovigilance software supporting drug safety monitoring and regulatory compliance. Led the complete design and build of corporate web platforms, including UX/UI, CMS architecture, accessibility, and SEO, enabling non-technical teams to manage content independently. Developed careers platforms with location-based filtering and automated departmental form routing. Contributed to Oracle APEX development using PL/SQL packages and procedures and integrated with third-party systems via REST APIs and workflows such as e-signature/document signing.

Frontend Engineer at 5th Strand

August 1, 2022 - December 1, 2023

Built responsive, accessible digital platforms for public sector and heritage clients, managing feature delivery and client communication across several simultaneous projects. Delivered interactive maps, filtering systems, event management features, CMS integrations, and search experiences consistently on schedule.

Freelance Web Developer at Self-employed

January 1, 2022 - August 1, 2022

Built client-facing interfaces and CMS-driven solutions across multiple simultaneous projects, collaborating with cross-functional teams and managing delivery end to end from brief to launch.