Senior Full Stack Engineer Jobs in Berlin, NJ (NOW HIRING)

WHO WE ARE:
Xactus (pronounced 'Zac-tus') is the leading verification innovator for the mortgage industry. We have over 6,500 clients ranging from the largest bank and non-bank mortgage originators to credit unions and mortgage brokers. Xactus works closely with our clients to digitally integrate a 360° approach to verification across their workflows. As a result, lenders can easily access the technology necessary to meet consumer demands for a modern mortgage experience with industry-leading speed, reliability, and accuracy - while also closing more loans more quickly with greater profitability.
Xactus is proud to provide a friendly work environment that is primarily remote. Our workforce provides many opportunities for you to enhance your skills with our top-notch financial leadership team who prioritizes building talent. If you are curious and searching for a change that will be fun and rewarding, please reach out to us! We would love to have you on our team!
WHO YOU ARE:
You are a career-minded, driven individual who is looking for a position that challenges you and supports your professional development.
THE BENEFITS WE OFFER:
A friendly, supportive environment which is highly rated by Xactus employees. Feedback from our employees says: "The people I work with treat each other with respect," "I feel accepted by my coworkers," and "The person I report to cares about me as a person."
Xactus offers medical, vision and dental insurances, bonus programs, fitness reimbursement and other healthy life-style programs through our benefits carrier, 401k plan with a company match, short and long-term disability, life insurance, accident and critical illness insurance, health savings account, flexible spending account, employee assistance program, legal services, employee discounts and more.
SUMMARY:
The Senior Full Stack Engineer is a senior individual contributor responsible for designing, developing, maintaining, and supporting business-critical fintech applications for XedaLink. This hands-on role works across a predominantly C#/.NET Framework environment, with some .NET Core, ASP.NET Web Forms, Angular, TypeScript/JavaScript, SQL Server, and Azure. The Senior Full Stack Engineer partners with the Development Manager, product, QA, offshore developers, and other engineering team members to deliver reliable software, support production systems, guide implementation approaches, and strengthen code quality through reviews and knowledge sharing.
ESSENTIAL FUNCTIONS:
The following is a list of essential functions, which is subject to change at any time and without advance notice. Management may assign new duties, reassign existing duties, or eliminate a function based on business needs or at its sole discretion.
ESSENTIAL DUTIES AND RESPONSIBILITIES:

• Design, develop, maintain, and support full-stack applications using C#, .NET Framework, some .NET Core, ASP.NET Web Forms, Angular, TypeScript/JavaScript, and SQL Server.
• Evaluate complex new features, enhancements, and production issues, providing high-level implementation guidance or handling implementation directly when appropriate.
• Own complex database-related development tasks, including SQL Server schema changes, data updates, stored procedures, and support for internal processes that generate code and SQL scripts.
• Support release management activities including release branch creation, Stage deployments, CI/CD coordination, and deployment readiness in partnership with the Development Manager.
• Support Alpha and Production environment updates and troubleshooting using Azure, Jenkins, Terraform, Terragrunt, and related deployment tools.
• Investigate and resolve QA and Production inquiries, defects, and application issues, including issues that require system-level analysis or production-context troubleshooting.
• Conduct code reviews for onshore and offshore developers, provide constructive technical feedback, mentor junior developers, and document specialized system knowledge to support knowledge transfer.

QUALIFICATIONS:
To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required.
Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
EDUCATION AND/OR EXPERIENCE:

• High-School diploma or equivalent; Bachelor's degree in Computer Science, Information Systems, Engineering, or related technical discipline preferred, or equivalent experience/training.
• Minimum of 7 years of professional software development experience, with strong hands-on experience in C#, .NET Framework, SQL Server, and full-stack web application development.

SKILLS AND COMPETENCIES:

• Strong written and verbal communication skills, including the ability to explain technical decisions and risks to technical and non-technical stakeholders.
• Deep hands-on experience with C#, .NET Framework, ASP.NET Web Forms, and related legacy application patterns; experience with .NET Core preferred.
• Experience building and maintaining front-end functionality using Angular, TypeScript, JavaScript, HTML, CSS, and related web technologies.
• Strong SQL Server experience, including schema design, data analysis, query development, stored procedures, and performance troubleshooting.
• Experience supporting production or business-critical applications, including root-cause analysis, defect resolution, and operational troubleshooting.
• Experience with Azure cloud environments and CI/CD or deployment tools such as Jenkins, Terraform, and Terragrunt.
• Ability to review code, identify maintainability and quality concerns, and provide clear feedback to onshore and offshore development teams.
• Strong analytical and problem-solving skills with the judgment to balance immediate production needs with long-term maintainability.
• Working knowledge of Agile development practices, release management, branching strategies, documentation, and configuration management.
• Self-motivated, organized, collaborative, and comfortable working with legacy systems, specialized application areas, and changing priorities.
• Experience with financial services, mortgage, credit, tax transcript, document routing, or similar regulated business systems is a plus.
• Experience modernizing legacy applications or integrating legacy .NET applications with newer cloud or front-end technologies is a plus.
• Ability to quickly learn complex domain workflows and document system knowledge for broader team support.

WORKING CONDITIONS:
Traditional office environment with low-to-moderate office noise (computers, phones and business conversations). The position may be remote from main offices.

• May require flexibility in hours.

PHYSICAL DEMANDS:
Xactus promotes an equal opportunity workplace, which includes reasonable accommodations of otherwise qualified disabled applicants and employees. Please contact your supervisor with questions regarding the physical demands of this position.

• Lifting/carrying up to 10 lbs.
• Manual dexterity for computer work
• Speaking, hearing and vision are required to perform essential functions.

ADDITIONAL INFORMATION REGARDING EMPLOYMENT WITH XACTUS:
If applying for a position at Xactus, candidates must be a resident of the United States, and should be authorized and eligible for employment in the United States. Xactus does not provide visa sponsorship at this time.
If hired to work at Xactus, employment is contingent upon successful completion of required background checks (including but not limited to federal and state criminal history checks, employment history verification, education verification, credit history check) and pre-employment drug screening.
No agency submissions, please. We do not accept unsolicited resumes from third-party recruiters.
Equal Opportunity Employer
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.