Senior Full Stack Software Engineer

Description
Sharetec is looking for a
Senior Full Stack Software Engineer
to join our team

At Sharetec, we believe in a people-first business. Our mission is to make millions of people's lives easier by developing innovative core banking and lending software solutions for credit unions and their members. Our customers rely on us for powerful financial technology that enhances operations across accounting, lending, member services, and online banking and they count on us to be a caring, trusted partner in their success.

As a
Senior Full Stack Software Engineer
at Sharetec, you'll play a key role in building the technology that powers credit unions across the country. You'll work hands-on across the full stack — from backend services and data architecture to front-end applications — to deliver reliable, scalable, and user-friendly software that helps our clients better serve their members. You'll collaborate closely with product managers, QA, and fellow engineers to design creative solutions, improve system performance, and enhance how credit unions operate every day. This is a great opportunity for someone who enjoys solving complex problems, mentoring others, and making a meaningful impact through technology that truly matters.

This is a full-time, exempt, remote position open to candidates residing in any U.S. state, with the exception of California. The starting salary for this position is $107,000 - $140,000 based on experience.

Essential Duties And Responsibilities
Technical Leadership

• Architect scalable, secure, and maintainable systems across backend, frontend, and database layers.
• Lead design discussions, code reviews, and engineering best-practice initiatives.
• Evaluate new technologies and guide the adoption of tools that improve developer productivity and system performance.
• Define and document architecture patterns, design principles, and shared libraries for reuse across teams.
• Partner with DevOps to design efficient CI/CD pipelines, deployment automation, and observability tooling.

Software Development

• Build high-quality, production-ready features using modern frameworks and cloud platforms.
• Write clean, testable, and efficient code following established coding standards and contributing to their evolution.
• Optimize system performance, reduce technical debt, and improve reliability.
• Collaborate with QA engineers to develop automated testing strategies and ensure high code coverage.
• Participate in production support rotation and proactively drive root cause analysis and prevention.

Collaboration & Mentorship

• Mentor and coach mid-level and junior engineers to foster career growth and skill development.
• Partner with Product Managers and stakeholders to translate business needs into technical solutions.
• Provide feedback and guidance during design and implementation reviews.
• Promote a culture of continuous learning, clear communication, and shared ownership across the team.

General Duties And Responsibilities

• Complete assigned development and project tasks by due dates while maintaining a high standard of quality.
• Work collaboratively with engineers, product managers, and QA across departments to deliver cohesive solutions.
• Act as a technical resource and subject matter expert in your assigned product domain.
• Contribute to process improvements, documentation, and internal tooling to enhance engineering efficiency.

What Success Looks Like
In Your First 30 Days:

• Build an understanding of Sharetec's architecture, domain, and codebase.
• Complete onboarding and deploy your first contributions with mentorship.
• Participate in planning and architecture discussions, bringing forward improvement ideas.

By 60 Days

• Lead a small-to-medium-size feature from design to production.
• Build strong cross-functional relationships with other engineers, QA, and product managers.
• Begin mentoring mid-level engineers, providing code review and technical guidance.

By 90 Days And Beyond

• Serve as technical owner for a significant domain or service.
• Drive architectural improvements and influence long-term technology direction.
• Enable your team to ship high-quality, maintainable code faster and more confidently.

Required Qualifications
Qualified Candidates Should Have
:

• 6+ years of professional software development experience, including technical leadership on complex projects.
• Deep proficiency with at least one backend platform (C#, .NET, Java/Spring Boot, , or Python/FastAPI).
• Advanced experience with modern frontend technologies (Angular, React, or ).
• Strong database design and data architecture expertise (Progress OpenEdge, PostgreSQL, SQL Server, or MongoDB).
• Experience integrating APIs and third-party systems securely and efficiently.
• Proven ability to modernize legacy applications into modular designs.
• Familiarity with DevOps tooling, CI/CD pipelines, and cloud services.
• Strong understanding of software architecture, design patterns, and performance optimization.
• Excellent communication skills for articulating complex technical ideas to varied audiences.
• Bachelor's degree in Computer Science, Software Engineering, or equivalent experience.

Preferred Qualifications

• Experience leading small teams or serving as a technical lead on feature squads.
• Experience designing distributed systems or microservice architectures.
• Hands-on experience with containers and orchestration (Docker, Kubernetes).
• Security-first mindset and experience implementing secure coding practices.
• Prior experience in the financial services or fintech industries.
• Familiarity with SOC 2 or other compliance frameworks.

Why Sharetec
Acquired by Evergreen Financial Technology Group (EFTG) in late 2020, Sharetec is now marching towards rapid growth and expansion into new markets. We are a team of highly focused and dedicated individuals who stop at nothing to achieve success no matter how great or small the challenge; we are also a unique bunch of people that love to work and play together. We do our best to make fun a basic part of every day.

Sharetec offers a robust benefits package, including competitive salaries, medical, dental, vision, life and disability coverage, Paid Time Off (PTO), paid holidays - including your birthday off, $1,000 employee referral program, 401(k) and 401(k) matching. We like to put the fun in the funds with department and company outings like paid food trucks, baseball games, and bowling, along with virtual team-building activities such as escape rooms, trivia, and other company-wide events.

Sharetec is an equal opportunity employer.

Keywords: Full Stack Software Engineer, Senior Software Engineer, Core Banking Software, Credit Union Technology, Financial Services Technology, Fintech Development, Cloud Architecture, API Integration, CI/CD, DevOps, Software Development, Microservices, C#, .NET, Angular, React, JavaScript, SQL Server, PostgreSQL, MongoDB, Software Engineering Jobs, Fintech Careers, Credit Union Software, Banking Technology