Job Description

Location Note:  This a hybrid role for our Wakefield, MA office (In-office one day every other week, plus additional in-person trainings and workshops as needed) 

The Purpose of Your Role:
The Junior Software Engineer is part of the development team, which has the responsibility for building, maintaining, enhancing and integrating home built custom applications using different technology stacks and connected systems. A junior engineer at Sentinel learns and conducts requirement analysis, documents technical specifications, test plans, writes, reviews, debugs code and performs releases. This role handles increasingly complex issues and problems over time or collaborates more complicated issues with higher-level staff.

What you'll bring to Sentinel:

• Comprehend the need to build secure, maintainable and testable software systems.
• Growth mindset and willingness to learn.
• Experience in agile environments.
• Programming expertise in Python.
• Programming knowledge with Typescript, ReactJs, SQL, Terraform and ideally Go
• Knowledge how AI can help us build better applications

What you’ll be responsible for:

• Work with Business Analysts and peers to build software you are proud of.
• Help converting legacy applications into web based applications.
• Build secure and well-defined API’s.
• Build automation with Airflow.
• Utilize Azure DevOps, Azure Pipelines, and Azure Repos and upgrade DevOps processes within Sentinel.

A bout you: 
We are looking for smart and innovative thinkers to drive our business and clients forward—someone with self-motivation, drive, determination, and the strength of character to challenge the status quo. We strive to surround ourselves with team members who are proud of their work and look for people who are willing to embrace change.

What you need to have:

Preferred qualifications:
•1–3 years of experience building or supporting software applications through professional work, internships, coursework, or personal projects.
•Experience developing with Python and familiarity with TypeScript and React.
•Working knowledge of SQL and relational databases.
•Familiarity with REST APIs, automated testing, version control, and CI/CD practices.
•Exposure to Azure DevOps, Azure Pipelines, Azure Repos, Terraform, or Airflow.
•Understanding of secure, maintainable, testable software design and basic application security principles.
•Experience working in an Agile or collaborative, cross-functional development environment.
•Ability to troubleshoot existing systems, understand legacy code, and contribute to incremental modernization.
•Interest in using AI-assisted development tools responsibly to improve software quality and developer productivity.
•Strong written and verbal communication skills, with a willingness to ask questions, receive feedback, and continue learning.

Salary Range: $88,000-$93,000

At Sentinel, compensation is calibrated to your geographic location to reflect local market conditions; the posted salary range may vary based on where you live.

Nice to haves:

• Experience with git, build pipelines, auth, testing

What you’ll be part of:  

Joining our company means becoming part of something special. We're driven by a mission to excel in our industry and within our team, supported by people who truly care about our organization. 

Sentinel was recently recognized by The Boston Globe as a Top Place to Work in 2020 and 2023. In 2021, 2022, 2023 and 2024, Sentinel earned a Top Workplace USA Award from Energage.  

At Sentinel, we welcome people from diverse experiences, backgrounds, and perspectives – and we wouldn’t have it any other way. So even if you don’t meet every single requirement, please consider applying if you like what you see. Our priority is to find talented individuals who enrich our team culture, contribute with enthusiasm, and are passionate about what they do. 

Sentinel is an equal opportunity employer and welcomes everyone to our team. If you need reasonable adjustments at any point in the application or interview process, please let us know. 

Some of our Benefits:  

• PTO (vacation, sick, personal time bank) 

• FTO (Flexible time off for vacation, sick, and personal time) after 2 years of service  

• 12 Paid Holidays (10 stated and 2 floating holidays) 

• 2 Community Volunteer Days  

• 5 Summer Half Days  

• Medical, Dental, Vision  

• Life Insurance 

• LTD & STD  

• Retirement Plan with 4% Employer Match 

• Parental Leave 

See What We Stand For:  

Who we are:  

Sentinel Group proudly serves nearly 5,000 clients throughout the U.S. For 35+ years, we’ve remained devoted to positively impacting the lives of our people, our clients and our communities. With a 9-year average associate tenure among our 265 professionals, our team’s commitment to excellent service has positioned Sentinel as the only provider who makes benefits EASY: easy for your people; easy for your business; and easy for you. 

Our ultimate goal is to help companies and their employees prepare for their future health, wealth and retirement needs. Whether it’s through retirement plans, group health insurance, reimbursement accounts or financial planning, we engineer simple solutions and continuously strive to make them better. Our in-house experts – and their commitment to excellence – define who we are. 

Sentinel is also one of the largest employee benefits firms in Massachusetts (Boston Business Journal) and was named a 2022 Retirement Plan Adviser of the Year in the Mentorship category (PLANADVISER Magazine).  

Job Tags

Full time, Summer work, Internship, Work at office, Local area, Flexible hours, 1 day per week

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