Senior Full Stack Developer

Leader Bank•Arlington, TX

1d•$85,000 - $110,000•Onsite

About The Position

Leader Bank is looking for exceptionally dedicated team members to join one of the region’s fastest growing community banks and mortgage lenders. At the time of its founding in 2002, Leader Bank had one branch office, $6.5 million in assets and 7 team members. Since then, the Bank has become one of the most successful banks in Massachusetts with $4.5 billion in assets, more than 400 team members, 7 branch offices, and annual mortgage originations of over $2 billion. Exemplary products and an innovative spirit have driven Leader Bank’s rapid growth over the years, and our team members embrace these values. Our mission is to obsess over our clients, make them feel valued, and maintain long-term relationships with them by constantly enhancing our products and processes to always improve our client experience. For our team members, Leader Bank prioritizes competitive compensation and benefits, a healthy work-life balance, and an environment that fosters diversity and inclusion. We are seeking a highly motivated and versatile Senior Full Stack Developer who combines strong technical expertise with curiosity, collaboration, ownership, and a passion for delivering high-quality software solutions. This role is ideal for an experienced engineer who thrives in a fast-paced environment, embraces continuous learning, and can translate business needs into scalable, maintainable technology solutions that support the Bank’s continued digital transformation. The successful candidate will design, develop, and support modern applications using technologies such as Vue.js, JavaScript, Python, RESTful APIs, relational databases, and AWS cloud services. In addition to core full-stack development responsibilities, the role requires a practical understanding of AI-enabled software development, workflow automation, low-code/no-code platforms, API-led integration, and modern digital solution architecture. This position offers the opportunity to work on impactful initiatives that accelerate digital transformation while expanding expertise in modern application development, cloud technologies, automation, and AI-driven solutions.

Requirements

Bachelor’s degree in Computer Science, Engineering, Information Systems, a related discipline, or equivalent professional experience.
4+ years of professional software development experience delivering enterprise-grade applications across the full technology stack.
Strong experience designing, developing, and maintaining scalable web applications using modern technologies such as JavaScript, TypeScript, Vue.js, React, Python, PHP, or equivalent frameworks and languages.
Proven experience designing, developing, securing, and integrating RESTful APIs and microservices-based architectures.
Strong proficiency with relational databases, including PostgreSQL, MySQL, or MariaDB, with experience in data modeling, query optimization, and performance tuning.
Deep understanding of Git-based source control, branching strategies, code review processes, automated testing, and CI/CD pipelines.
Experience building and deploying cloud-native applications using AWS services such as Lambda, S3, RDS, CloudWatch, Bedrock, API Gateway, ECS, or comparable cloud platforms.
Solid understanding of software architecture principles, application security, scalability, resiliency, and observability best practices.
Experience working within Agile/Scrum teams and contributing to technical planning, estimation, and solution design.
Hands-on experience leveraging AI and Large Language Models (LLMs) to improve developer productivity, automate workflows, enhance business processes, and develop intelligent software solutions.
Strong troubleshooting, analytical, and problem-solving skills with the ability to independently diagnose complex technical issues and deliver effective solutions.
Excellent written and verbal communication skills with the ability to collaborate effectively across engineering, product, operations, and business teams.
Demonstrated ability to mentor junior developers, promote engineering best practices, and contribute to a culture of continuous learning and technical excellence.
Ability to balance innovation with risk management and compliance requirements within a regulated financial services environment.
Passion for learning emerging technologies and evaluating their practical application to business and customer outcomes.

Nice To Haves

Front End Retool, Vue.js, JavaScript, React, HTML, CSS
Back End Python, PHP, RESTful APIs, Boomi/MuleSoft
Data PostgreSQL, MySQL, MariaDB, SQL fundamentals
Cloud and DevOps AWS S3, RDS, Lambda, CloudWatch, Git, CI/CD concepts
AI and Automation AWS Bedrock, AI-assisted development, LLM concepts, workflow automation

Responsibilities

Develop, test, deploy, document, and support modern web applications, internal business tools, integrations, APIs, and automation solutions.
Build responsive, intuitive, and user-friendly applications using Vue.js, PHP, JavaScrip, HTML, CSS, and modern front-end frameworks.
Design, build, and maintain Retool applications to rapidly deliver internal operational tools, workflow solutions, dashboards, and business process automation.
Develop, consume, secure, and support RESTful APIs and event-driven integrations across internal and third-party systems.
Design and implement enterprise integrations using Boomi, MuleSoft, or comparable iPaaS platforms, including API-led connectivity, workflow orchestration, and reusable integration services.
Collaborate with business stakeholders to identify opportunities for process optimization through automation, low-code/no-code solutions, and API-enabled services.
Work with AWS cloud services to deploy, monitor, secure, and maintain applications and integration workloads.
Partner closely with product managers, business analysts, QA engineers, infrastructure teams, security stakeholders, and other developers to deliver business value.
Participate actively in Agile ceremonies, sprint planning, backlog refinement, solution design discussions, demos, retrospectives, and peer code reviews.
Troubleshoot and resolve application, integration, and production issues with a strong sense of ownership and urgency.
Ensure solutions meet expectations for security, scalability, reliability, performance, governance, and maintainability.
Evaluate and leverage emerging technologies, including AI-assisted development tools, workflow automation platforms, and intelligent business solutions, to improve engineering productivity and business outcomes.
Mentor junior developers, promote engineering best practices, and contribute to a culture of continuous learning, knowledge sharing, and technical excellence.
Demonstrate accountability, collaboration, and a commitment to delivering innovative technology solutions that support Leader Bank's clients, employees, and strategic business objectives.