Senior Full Stack Software Engineer - Java and React

Senior Full Stack Software Engineer - Java and React

Hybrid from Waltham, MA

At Constant Contact, we are seriously awesome people who take ownership and make an impact by operating with the mindset, integrity and courage of a small business owner. There’s something so profoundly rewarding about knowing that your work is empowering people everywhere to pursue their dreams . Here, we all play an integral part in helping business owners, entrepreneurs, non-profits and individuals to succeed by giving them all the help and tools they need to grow online. We’re energized by new challenges and new possibilities-and we’re just getting started!

We have an opening for a Senior Full Stack Software Engineer . You will be a crucial member of our 3rd party Integrations team, working with innovative tools, processes, and people to engineer platform services that are distributed and consumed on a massive scale. You will work with Product Owners, UX designers, and architects to build next-generation applications.

Integrations are a core pillar of the Constant Contact Product. The Integrations team is responsible for driving organization-wide integration initiatives: e-commerce, CRM, fundraising, non-profit, and real estate related integrations. Integrations are a convenient and flexible way for SMBs to kick-start their marketing goals.

*This is a flexible hybrid role based out of our Waltham, MA office

What you’ll do:

• Be a key contributor to a cross-functional, agile product delivery team
• Work in all areas of a technology stack: front-end, middle tier, and backend
• Deliver scalable and sustainable platform services
• Work on multiple 3rd party integrations in various verticals: e-commerce, non-profit, real estate, fundraising, CRM, etc.
• Collaborate with Product Managers, Architects, UX, and other engineers daily
• Participate in code reviews, design sessions, sprint ceremonies: backlog grooming & planning, retro, standup
• Bring new ideas and innovations to adapt and scale in the technology space

Who you are:

• 8+ years of experience developing robust, scalable software applications in a SaaS environment .
• Extensive expertise in building responsive UI applications with React .
• Deep proficiency in back-end development using Java Spring/Spring Boot .
• Strong understanding of REST APIs .
• Comfort working with MySQL or similar relational database systems (RDBMS).
• Experience with database migration and management frameworks like Liquidbase , Flyway , or similar.
• Proficiency with unit testing frameworks (e.g., JUnit, Mockito).
• Well-versed in application authorization concepts like OAuth .
• Exceptional documentation skills , including creating design flows, architecture diagrams, sequence diagrams, and flowcharts.
• Experience building applications with Python .
• Familiarity with integration testing frameworks such as Playwright .
• Working knowledge of AWS services, including EC2 instances, VPC, security groups, and cloud networking.

#LI-HK1 #LI-Hybrid

The specific salary offered to a candidate may be influenced by a variety of factors including the candidate’s experience, their education and work location. In addition, some roles may be eligible for additional on target commission pay or bonus. The compensation package includes health and welfare benefits including paid leave.

Pay Transparency - All Full Time Employees

$108,400 - $135,500 USD

Why You’ll Love Us:

• We celebrate one another’s differences. We are proud of our culture of diversity and inclusion, and we\'re always working hard to strengthen and improve this culture. We have programs in place that bring us together on important issues and provide educational opportunities for all employees.
• Join the experts. If you\'re passionate about supporting businesses and organizations, you won’t find a better spot to share your talent. We’re dedicated to improving the quality of our product from a customer standpoint and have a true desire to enable the success of businesses, non-profit organizations, and community groups.
• You’ll have opportunities to grow your career. We encourage and support our team members to learn different aspects of the business, take on stretch assignments, seek coaching opportunities and professional development opportunities.
• A generous paid time off policy and a competitive benefits package that supports the health and well-being of you and your family

At Constant Contact, we’re all about work flexibility and are proud to serve our customers as a hybrid workforce. Our hybrid work model combines the convenience of remote work with access to our great office locations to collaborate in-person, participate in live trainings, and socialize with colleagues.

Application Deadline: 30 days. We may fill this job opening prior to the deadline if a candidate is selected by us.

Constant Contact is an equal opportunity employer. We do not discriminate on the basis of race, color, religion, sex, gender, gender identity, national origin, citizenship, age, disability, sexual orientation, genetic information, veteran status or any other status protected under applicable law. If you require accessibility assistance applying for open positions, please contact .

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