Sr. Principal Engineer
Boston, MA
Category: Development
Industry: Financial Services
Reference ID: JN -082026-108226
Date Posted: 08/10/2026
Shortcut: http://careers.eliassen.com/LxUEuG
Description:
Hybrid 3 days onsite in Boston, MA
Our client seeks a Sr. Principal Engineer to design, develop, and maintain software programs, databases, and processes supporting core business environments across research, investments, front office, and trading. The role involves direct interaction with end users, collaboration with small engineering teams, and application support with a focus on integrations, best practices, and coding within an OMS-centric trading environment.
This is a contract to hire opportunity. Applicants must be willing and able to work on a w2 basis and convert to FTE following contract duration. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.
Rate: $100.00 to $110.00/hr. w2
JN -082026-108226
Responsibilities:
- Work on an engineering team to design and develop applications that support business units.
- Assume responsibility for maintenance of existing core business applications.
- Collaborate within IT and with business stakeholders across the organization.
Experience Requirements:
- 10+ years of software development experience.
- 5+ years in financial management or financial services.
- Solid knowledge of modern software design principles, concepts, and practices.
- Significant experience with Python and related technologies.
- Significant experience with relational databases and SQL.
- Knowledge of C# and the Microsoft stack is a plus.
- Experience leading a technical team is a plus.
- Experience with cloud-based development. AWS preferred. Experience with a major cloud provider such as AWS, Azure, or GCP. Building and deploying applications in a cloud environment. Infrastructure as code using tools such as Terraform or CloudFormation. Containers and orchestration with Docker and Kubernetes. Monitoring, logging, and basic cloud security practices.
- Experience with OMS platforms such as Charles River is preferred.
Education Requirements:
B.S. or M.S. in computer science or equivalent.
Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.
W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.
If anyone reaches out to you about an open position connected with Eliassen Group, please ensure that you are working directly with us by confirming the following:
· When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
· Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group.
If you have any indication of fraudulent activity, please contact fraud@eliassen.com.
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Eliassen Group is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status. Eliassen Group’s Affirmative Action Plan (AAP) is available for inspection by any employee or applicant for employment upon request, during normal business hours of Monday through Friday, 8:30am to 5:30pm EST. Interested persons should contact Phaedra Wells at pwells@eliassen.com for assistance. It is unlawful in Massachusetts and Maryland to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Applicants with disabilities that believe they require an accommodation or assistance with a position, please email our HR team at hradmin@eliassen.com. This email inbox is designed exclusively to assist job seekers whose disability prevents them from being able to apply online. Emails sent for other purposes will not receive a response.
Please be advised that a number of fraudulent job postings have been released under the Eliassen Group brand.
Unfortunately, fraudulent job postings can happen. If anyone reaches out to you about an open position connected with Eliassen Group, never provide personal or financial information to anyone who is not clearly associated with Eliassen Group
If anyone seemingly from Eliassen Group has ever requested this personal information in the past or does so in the future, please contact fraud@eliassen.com.
Please ensure that you are working directly with us by confirming the following:
- When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
- Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group, as indicated above