Senior Software Engineer (GenAI)

Posted 13 Days Ago
Be an Early Applicant
Hiring Remotely in Belgrade, Grad Beograd, Centralna Srbija
In-Office or Remote
Senior level
Software
The Role
Lead design and implementation of a reusable multi-agent GenAI platform, build automated AI pipelines, integrate and deploy models, design monitoring and logging with Elasticsearch/Prometheus/Grafana, document decisions, and mentor teams to deliver end-to-end GenAI features.
Summary Generated by Built In
About Passport:

At Passport, we empower brands to reach their global potential by delivering the #1 international solutions for direct-to-consumer businesses. What sets us apart is our expertise in international shipping - enabling brands like Carpe, OneSkin, Rhode, GORUCK, and Wildflower Cases to scale globally with ease. Our extensive network, in-house team of logistics and e-commerce experts, integrations with Shopify and other e-commerce platforms, and user-friendly portal make us the trusted partner for growth-focused brands looking to expand internationally and create seamless cross-border experiences.

At Passport our goal is to build the #1 internationalization solution on the market, with shipping as the differentiator.

About the role
Responsibilities
  • Lead the development of a multi-agent platform — a reusable foundation of AI agents, tools, orchestration logic, and shared infrastructure.

  • Collaborate closely with other teams (e.g., Data, QA, DevOps, Product) to ship AI features end-to-end — from dataset preparation to model integration, deployment, optimization, and monitoring.

  • Build and maintain automated AI pipelines using specialized frameworks or custom orchestrators.

  • Design robust logging, tracing, and metric systems for AI workloads; analyze performance using Elasticsearch, Prometheus, and Grafana.

  • Document architecture decisions, experiment results, and best practices in Notion.

  • Use deep GenAI expertise to evaluate trade-offs, propose high-impact solutions, simplify workflows, and maximize value for internal teams and external clients.

  • Share knowledge and architectural patterns with the team to strengthen internal GenAI expertise and maintain high engineering standards.

  • Provide the full lifecycle of GenAI features — design, development, deployment, monitoring, and long-term maintenance.

You have many of the following

(Apply even if you don’t meet every requirement!)

  • 5+ years of software engineering experience.

  • 2+ years of building Generative AI powered products (especially commercially successful).

  • Strong proficiency in TypeScript, Node.js, and modern backend development.

  • Hands-on experience with AI frameworks such as LangChain, n8n, or Microsoft Agent Framework.

  • Deep understanding of key GenAI concepts: retrieval-augmented generation, fine-tuning, prompt engineering, agent architectures, reinforcement learning, evaluation frameworks.

  • Comfortable working with relational, NoSQL, and search-based databases and designing efficient access patterns.

  • Clear and confident communicator who collaborates well and aligns technical decisions with stakeholders.

  • Able to take complex, ambiguous problems and break them into measurable, actionable tasks.

  • Skilled at identifying edge cases early to ensure reliability and predictable behavior in production.

A sneak peek into our perks & benefits:
  • Competitive cash and equity packages

  • 100% remote work environment #LI-Remote

  • Paid Time Off

  • 8 weeks Paid Parental Leave

  • Monthly team get-togethers - bring on the Zoom comedians, pop-a-shot contests, and sip ’n paints!

  • Quarterly virtual team gatherings and biannual team offsites

  • Annual Work Smart Fund to support your professional growth & working environment

  • Teammates around the world in 20+ different countries!

Top Skills

Elasticsearch
Grafana
Langchain
Microsoft Agent Framework
N8N
Node.js
Nosql Databases
Notion
Prometheus
Relational Databases
Search-Based Databases
Typescript
Am I A Good Fit?
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The Company
225 Employees
Year Founded: 2017

What We Do

At Passport, we help brands reach their global potential.

With an expansive network, an in-house team of shipping and compliance experts, and a user-friendly software platform, Passport is the shipping carrier that growth-focused brands trust to expand their business internationally.

You make the products your customers love. We’ll get it to their doorsteps.

Why Work With Us

Passport is a fully remote, globally distributed company that values collaboration, innovation, and inclusivity. With a people-first approach, flexible policies, and engaging team events, we empower employees to grow, be heard, and make an impact while delivering exceptional service.

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