Optimization Engineer Intern - Production-Scale OR

Haladir; San Francisco (CA); On-site; USD 150,000 - 210,000; Full time

Job summary

Haladir in San Francisco seeks a skilled Operations Research specialist to design the optimization core of its products, shaping models for waves release, inventory allocation, routing, and labor planning in 3PL contexts. You will convert real constraints into scalable production-ready code.

Candidates bring a strong OR background, experience with MILP/CP, Python and solver APIs, and the ability to travel to customer sites. US work authorization is required.

Qualifications

• Strong background in Operations Research, including MILP, constraint programming, heuristics, and local search.
• Research experience in Operations Research through publications or applied work.
• Ability to implement models in production-quality Python using solver APIs such as Gurobi, CP-SAT, or HiGHS.
• Turn real-world operational constraints into mathematical production-ready models.
• Strong judgment around solution quality, computational performance, and real-world constraints.
• Willingness to relocate to San Francisco and travel to potential customer sites.
• US work authorization.

Responsibilities

• Design optimization core models for Haladir's products and ensure production readiness.
• Collaborate with operators to understand decision processes and translate them into scalable models.
• Deploy optimization solutions in live environments and monitor performance.

Skills

MILP

Constraint programming

Local search

Heuristics

Python production

Solver APIs

Operational modeling

Relocation willingness

US work authorization

Education

Bachelor’s degree or higher in Operations Research / OR/ IE / Applied Mathematics

Tools

Gurobi

CP-SAT

HiGHS

Job description

Haladir in San Francisco seeks a skilled Operations Research specialist to design the optimization core of its products, shaping models for waves release, inventory allocation, routing, and labor planning in 3PL contexts. You will convert real constraints into scalable production-ready code.

Candidates bring a strong OR background, experience with MILP/CP, Python and solver APIs, and the ability to travel to customer sites. US work authorization is required.