Senior/Principal Software Engineer

Apply here

525K is a technology company focused on bringing the latest technology advancements to sellers and e-commerce platforms to streamline the delivery of their product globally under 30 minutes. In fact, 525K is an abbreviation for the number of minutes in a year; we aspire to deliver products where possible in 1 minute! 525K is creating products at the core of e-commerce platforms, warehousing, fulfillment, last mile delivery, and global supply chain.

We are looking for a full stack senior software engineer to join our team in Denver – CO. An engineer that operates with high level of autonomy and efficiency to build amazing software products.  This is senior position across the company; therefore, we are looking for a leader always looking out and working hard to help the team and the business deliver its goals.

This is a job for software engineers passionate about building systems that process large scale datasets, high transaction throughput globally, and respond in real or near-real time. The ideal candidate, is an engineer that can convert advanced computer science algorithms to products that are engineered to scale and meet 525K customers’ needs and expectations. In today’s technology, this means software in the cloud, distributed globally, performing and available at or better than the industry standards. A senior software engineer, can dive deep and stay connected with the latest innovations in technology, product design and computer science. As a result, s/he can translate these advancements to innovative products, and software engineering practices.


  1. 5+ years in software development, including all aspects from the product inception till post release and support
  2. 5+ years coding in high level programming languages such as Java
  3. Excellent computer science fundamentals (algorithms, design and analysis)
  4. Bachelor’s degree in computer science or related field

Preferred Qualification

  1. Built mission critical services that exceeded operational objectives
  2. Led the design of products and software architecture across own and other teams
  3. Mentored and coached junior software engineers on own and other teams
  4. Interfaced with the business leadership and influenced or drove key business decisions
  5. Worked in a startup

Apply here