Senior Mobile Software Engineer (Full Stack)

Job Type

Full-time

Description

Sharetec is looking for a Senior Mobile Software Engineer (Full Stack) 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 Mobile Software Engineer (Full Stack) at Sharetec, you’ll play a key role in building, evolving, and maintaining production mobile applications used by credit unions across the country. In this role, mobile application development is a core responsibility, not an afterthought. You’ll design and ship Android, iOS, or cross-platform mobile applications while partnering closely with backend and web teams to deliver secure, reliable, and user-friendly experiences. You’ll collaborate with product managers, QA, and fellow engineers to design creative solutions and improve system performance. As a senior leader on the team, you’ll be a go-to resource—not just for technical architecture, but for mentoring fellow engineers and fostering a culture of continuous learning. This role is ideal for an experienced engineer who enjoys shipping high-impact mobile features to production while staying connected to the broader system architecture and helping others grow.

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 $110,000 - $140,000 based on experience.

Essential Duties And Responsibilities

Technical Leadership

• Architect scalable, secure, and maintainable systems across backend, frontend, and database layers.
• Set the standard for mobile excellence by leading 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

• Design, build, and maintain production-grade mobile applications for Android, iOS, or cross-platform frameworks.
• 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

• Actively mentor and coach engineers, providing the technical and professional guidance needed to foster career growth and elevate the team’s collective skill set.
• Partner with Product Managers and stakeholders to translate business needs into technical solutions that balance immediate delivery with long-term system health.
• Foster a culture of shared ownership, clear communication, and continuous learning where team members feel supported in taking technical risks.

Qualified Candidates Should Have

• 6+ years of professional software development experience, with a proven track record of technical leadership on complex, high-stakes projects.
• Deep mobile expertise: Extensive hands-on experience building, deploying, and maintaining production mobile applications (Android, iOS, or cross-platform) that are tightly integrated with backend APIs.
• Full-Stack Proficiency: Expert-level knowledge of at least one backend platform (C#, .NET, Java, Node.js) and modern frontend frameworks (Angular, React, or Vue.js).
• Data & API Architecture: Strong expertise in database design (Progress OpenEdge, PostgreSQL, SQL Server, or MongoDB) and the ability to integrate third-party systems and APIs securely and efficiently.
• Legacy Modernization: A proven ability to modernize legacy applications into modular, scalable designs while optimizing for performance.
• Architectural Mastery: Deep understanding of software architecture, design patterns, and performance optimization across the entire stack.
• DevOps & Cloud: Familiarity with DevOps tooling, CI/CD pipelines, and cloud services to ensure reliable and automated deployments.
• Mentorship experience: Proven ability to guide other engineers, provide constructive feedback, and lead by example in code quality and professionalism.

Preferred Qualifications

• Architectural Depth: Experience designing distributed systems or microservice architectures that support high-availability applications.
• Modern Infrastructure: Hands-on experience with containers and orchestration, specifically Docker and Kubernetes, to streamline development and deployment.
• Security-First Mindset: A strong background in implementing secure coding practices and a proactive approach to application security.
• Fintech Expertise: Prior experience in the financial services or fintech industries, with an understanding of the unique challenges of credit union or banking environments.
• Compliance Knowledge: Familiarity with SOC 2 or other regulatory and compliance frameworks relevant to financial data.

Tech Stack (What You’ll Work With)

Mobile: React Native, iOS (Swift), and/or Android (Kotlin) (depending on project needs)

Backend: .NET and RESTful APIs

Frontend: Angular and/or React

Databases: PostgreSQL, SQL Server, and Progress OpenEdge

DevOps & Tools: CI/CD pipelines, cloud services, and modern development tooling

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, Mobile Application Development, Android, iOS, React Native, 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, Technical Mentor, Engineering Lead

_Salary Description

$110,000 - $140,000 per year