Principal Software Engineer
NFI Industries
Trenton, NJ · Posted August 3, 2026
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Where Trenton, NJ ranks
Where Trenton, NJ placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
Pay compared with the market
This listing does not state pay. Across 51 open principal software engineer listings that state pay, the middle half runs $205,500 to $274,000 and the median is $240,000.
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Principal Software Engineer salaries by state · Check your own pay
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Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
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About the job
Overview
As a Principal Software Engineer you will be responsible for developing, designing, and implementing NFI’s Digital Twin. You will serve as an advocate for engineering decisions related to the Digital Twin.
While interfacing with other business leaders, you will lead initiatives involving the development of new Digital Twin products and services. You will work directly with IT, as well as other teams supporting Transportation Management's various platforms and systems. This position reports to the Sr. Director of Solutions Engineering.
Responsibilities
● Lead maintenance of the Digital Twin and related technologies. ● Lead the interoperability of the Digital Twin and related data ● Report on team/project performance KPIs ● Develop flowcharts, layouts and documentation to identify requirements and solutions ● Create and update quarterly roadmaps to review with internal and customer leadership ● Organize and participate in project meetings that are held to discuss project scope, requirements, design, planning, and status. ● Apply analysis, design, coding, testing, upgrades, and production control best practices in a team environment towards the timely development and support of application software. ● Deploy programs and evaluate user feedback ● Ensure software is updated with latest features ● Write well-designed, testable code ● Develop software verification plans and quality assurance procedures ● Integrate software components into a fully functional software system
Qualifications
Requirements:
● Bachelor’s degree in Information Systems, Computer Science, or Related Engineering. ● 7+ years experience working in a corporate engineering or software development environment ● Must have well-rounded experience planning and implementing engineering, analytics, and relationship development. ● Strong written and verbal communication skills ● An exceptional ability to work autonomously. ● The ability to hit the ground running in a very busy atmosphere ● Strong Experience with Python and SQL, Proficiency in software engineering tools ● Experience with test-driven development ● Ability to conduct software reviews and status updates with leadership ● Ability to run project meetings (requirements & design)
Preferred Requirements:
● 10+ years experience working in a corporate engineering or Supply Chain consulting environment
● Sound knowledge of Supply Chain Engineering, Software Engineering, Data and Platforms Engineering.
● Experience with Supply Chain modeling platforms like Supply Chain Guru, Llama.ai, NextMV, Gains, Sophus, Starboard, Optilogic, or TMOD.
● Experience working in Agile/Scrum environments
● Experience with Go/Golang
● Experience with ML Algorithms, Optimization Algorithms, and Building AI Native Apps / MCP
We are excited to share that the base salary range for this position is $130,000- $160,000, based on the national average for the position. This position is also eligible for an annual discretionary bonus. NFI takes into consideration applicants' qualifications, experience, education, and geographic location when determining a starting rate of pay.
Employees are also eligible for a robust benefit program, which includes Medical, Dental, Vision, Prescription Drug Coverage, 401k Plan, Wellness Program, Life Insurance, Paid Time Off, and Paid Parental Leave, among other benefit plan options.
Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
The contractor will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information. 41 CFR 60-1.35(c)
LA County Applicants: The Company will consider qualified applicants, including those with criminal histories, in a manner consistent with applicable state and local laws.
Profit Center
PC-250
● Lead maintenance of the Digital Twin and related technologies. ● Lead the interoperability of the Digital Twin and related data ● Report on team/project performance KPIs ● Develop flowcharts, layouts and documentation to identify requirements and solutions ● Create and update quarterly roadmaps to review with internal and customer leadership ● Organize and participate in project meetings that are held to discuss project scope, requirements, design, planning, and status. ● Apply analysis, design, coding, testing, upgrades, and production control best practices in a team environment towards the timely development and support of application software. ● Deploy programs and evaluate user feedback ● Ensure software is updated with latest features ● Write well-designed, testable code ● Develop software verification plans and quality assurance procedures ● Integrate software components into a fully functional software system
Requirements:
● Bachelor’s degree in Information Systems, Computer Science, or Related Engineering. ● 7+ years experience working in a corporate engineering or software development environment ● Must have well-rounded experience planning and implementing engineering, analytics, and relationship development. ● Strong written and verbal communication skills ● An exceptional ability to work autonomously. ● The ability to hit the ground running in a very busy atmosphere ● Strong Experience with Python and SQL, Proficiency in software engineering tools ● Experience with test-driven development ● Ability to conduct software reviews and status updates with leadership ● Ability to run project meetings (requirements & design)
Preferred Requirements:
● 10+ years experience working in a corporate engineering or Supply Chain consulting environment
● Sound knowledge of Supply Chain Engineering, Software Engineering, Data and Platforms Engineering.
● Experience with Supply Chain modeling platforms like Supply Chain Guru, Llama.ai, NextMV, Gains, Sophus, Starboard, Optilogic, or TMOD.
● Experience working in Agile/Scrum environments
● Experience with Go/Golang
● Experience with ML Algorithms, Optimization Algorithms, and Building AI Native Apps / MCP
We are excited to share that the base salary range for this position is $130,000- $160,000, based on the national average for the position. This position is also eligible for an annual discretionary bonus. NFI takes into consideration applicants' qualifications, experience, education, and geographic location when determining a starting rate of pay.
Employees are also eligible for a robust benefit program, which includes Medical, Dental, Vision, Prescription Drug Coverage, 401k Plan, Wellness Program, Life Insurance, Paid Time Off, and Paid Parental Leave, among other benefit plan options.
Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
The contractor will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information. 41 CFR 60-1.35(c)
LA County Applicants: The Company will consider qualified applicants, including those with criminal histories, in a manner consistent with applicable state and local laws.