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Old Mission

C++ Software Engineer - Research Infrastructure

Old Mission · Chicago, IL, United States

Posted about a month ago · $175,000 - $300,000

or apply directly on Old Mission's site. We never take the application ourselves.

Is this posting real?

This role has been open
34 days
Old Mission's roles stay open a median of 81 days
Reposted
No
Salary listed
Yes
75% of Old Mission's roles list one
Ghost-job risk at Old Mission
high
37 stale, 0 reposted of 40 open
Hiring momentum
43 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-10-23

Measured from postings appearing on and disappearing from Old Mission's own greenhouse board since 2026-08-03. Full hiring picture for Old Mission.

About this role

As a C++ Software Engineer on the Research Infrastructure team at Old Mission, you will manage and maintain datasets, infrastructure, and libraries that support the firm's research across various asset classes. Your daily tasks will include handling production issues, developing new datasets, building infrastructure, and maintaining data pipelines. You will also work on improving data transmission between C++ and Python, re-architecting APIs, and collaborating on system releases.

Our read on this posting4.6out of 5
benefits
4/5
freshness
5/5
career value
4/5
role clarity
5/5
pay transparency
5/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Old Mission as an employer.

What you need

  • Experience with C++
  • 4+ years of experience as a Systems Engineer, Platform Engineer, Data Engineer, Software Engineer, or similar
  • Ability to drive and lead technical projects
  • Knowledge of software engineering practices
  • Passion for infrastructure
  • Experience with Linux APIs

Nice to have

  • Experience with Python
  • 'Big Data' experience
  • Experience with the design and implement big data tooling
  • Experience developing big data technology

What you get

  • Competitive salary with discretionary annual bonus
  • Fully paid Medical, Dental, Vision, Disability, and Life Insurance
  • Fully stocked kitchen; free breakfast and lunch every day on-site
  • Tuition Reimbursement Program
  • 401(k) with employer match
  • Paid Vacation, Sick and Parental leaves

Worth weighing

  • Base salary range is broad ($175,000 - $300,000) and depends on various factors
  • No specific mention of remote work options or flexibility in hours

Summarised from Old Mission's posting. Read the full original.

Listed by Old Mission on their greenhouse job board, last confirmed open on 2026-10-23. PitchMeAI is not the employer.

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