Backend Engineer III

As a Backend Engineer III, you will build the services, data models, and APIs that power a new greenfield platform at the core of FIQ's supply chain technology. You will write the business logic and processing workflows that everything else depends on, with a focus on data integrity, correctness, and performance. Working alongside the founding engineer and full-stack team, your work will form the reliable backbone the rest of the product is built on.

Key Responsibilities:

Design and build backend services, APIs, and data models

Implement business logic and processing workflows

Design relational schemas and manage database migrations

Ensure data integrity, correctness, and API performance

Write tests and contribute to shared engineering standards

Integrate with external systems and data sources

Collaborate closely with full-stack engineers, product, and the platform's technical owner

Participate in code review and technical design

Help evolve the backend architecture as the platform scales

Experience with AI-driven development and AI-assisted engineering workflows

Experience with LLM-integrated development, including RAG and retrieval-augmented patterns

Experience with FastAPI, SQLAlchemy, and Alembic

Experience with multi-tenant systems or complex data models

Experience building workflow engines, pipelines, or DAG-based processing

Familiarity with CI/CD, containers (Docker), and cloud infrastructure

Experience with calculation engines, rules engines, or deterministic data pipelines

Exposure to logistics, supply chain, fintech, or data-intensive SaaS platforms

Ramp up on the codebase, data model, and product domain

Set up local development and deployment environments

Ship your first backend changes and endpoints

Build working relationships across the team

Take ownership of a backend service or feature area

Deliver production-grade APIs and data models

Contribute to backend standards and shared patterns

Actively participate in technical design and code review

Independently own backend features from design through production

Improve reliability, performance, and data integrity across services

Demonstrate consistent, measurable delivery velocity

Help raise the engineering quality bar for the growing team

Consistent delivery of production-ready backend services and APIs

Data integrity and correctness across the system

API performance and reliability

Code quality and test coverage

Velocity and throughput of shipped backend work

At Fulfillment IQ, we don’t just build supply chain solutions. We build careers, friendships, and unforgettable experiences.

We believe in giving our senior technical leaders real ownership, real influence, and the opportunity to shape platforms that power real-world logistics operations.

As an equal opportunity employer, we celebrate diversity and are committed to creating an inclusive environment for all team members.

Here’s what makes working with us a rewarding experience:

Work That Matters Build systems that directly impact global commerce and supply chain performance.

Career Growth That Matters We invest in mentorship, leadership development, learning budgets, and long-term career growth.

Flexibility to Thrive We support remote and hybrid work models by offering multiple office locations to help you perform at your best.

We Celebrate You From team wins to work anniversaries, we recognize impact, celebrate milestones and reward performance.

A Collaborative Culture Work alongside talented engineers, product leaders, and award-winning domain experts who value ownership, transparency, and high standards.

Fulfillment IQ is a people-first company built in trust, collaboration, and ownership. We are proud to be an equal opportunity employer and are committed to building a diverse, inclusive, and high-performing workplace.

Use of Artificial Intelligence in Hiring:

FIQ uses artificial intelligence to assist in the screening, assessment, and shortlisting of applications for this position, including features within our applicant tracking system. AI supports human reviewers and does not make hiring decisions on its own. Final hiring decisions are made by FIQ personnel. If you have questions about how AI is used in this process, contact hr@fulfillmentiq.com.

Keep this while our ATS AI screening is enabled. Remove only if AI is fully disabled at every stage.

FIQ is committed to an inclusive and accessible recruitment process. Accommodations are available on request at any stage of recruitment and assessment. Contact hr@fulfillmentiq.com and we will work with you to meet your needs.

Your personal information is collected and used for recruitment purposes in accordance with FIQ's Candidate Privacy Notice, available at [privacy notice URL]. This includes the use of AI-assisted screening described above and storage that may occur in the United States. By applying, you acknowledge this notice. Questions: hr@fulfillmentiq.com.

Fulfillment IQ is a people-first company built on trust, collaboration, and ownership. We are proud to be an equal opportunity employer and are committed to building a diverse, inclusive, and high-performing workplace.

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