Senior Developer – FileMaker Platform

• →Design, develop, and maintain custom FileMaker applications across desktop, web, and mobile environments. Develop and maintain scripts, calculations, layouts, custom functions, and automation workflows.
• →Architect and implement integrations with third-party applications and services using APIs and other external connectivity.
• →Administer, monitor, and optimize FileMaker Server environments to ensure performance, reliability, security, and availability.
• →Troubleshoot and resolve complex application, performance, data integrity, and server-related issues.
• →Manage projects and enhancement requests, including effort estimation, scope definition, risk analysis, and timeline development. Collaborate with business stakeholders to gather requirements and translate them into scalable technical solutions.
• →Implement data migration, synchronization, and integration strategies between FileMaker and external systems.
• →Create and maintain technical documentation, system architecture diagrams, and deployment procedures.
• →Participate in application lifecycle management, including testing, deployment, upgrades, and support.
• →Ensure project development/features remain in scope and proactively communicate with the team and the client throughout the course of projects.
• →Provide budget and schedule updates to the Team Lead.
• →Meet/exceed billable utilization targets.
• →Maintain proficiency and certification in development platforms as required.

• Bachelor’s degree in a related field preferred; or comparable experience is required.
• Excellent communication and customer service skills.
• Extended experience with the complete Claris FileMaker Platform, and completion of all currently available Claris certifications.
• Ability to effectively leverage AI-powered development tools and coding assistants as a force multiplier for application design, code generation, troubleshooting, documentation, testing, and productivity enhancement while maintaining strong engineering judgment, code quality, security, and solution ownership.
• Strong experience with API integration, including:
  • REST, OData and GraphQL APIs
  • JSON, XML and other data structures
  • OAuth and token-based authentication
• Advanced troubleshooting and root-cause analysis skills within the FileMaker platform, including experience diagnosing and resolving: 
  • Script performance issues
  • Data integrity concerns
  • Server performance bottlenecks
  • Authentication and connectivity issues
  • Complex application defects
• At least one tandem partner development skill, such as Sharepoint, Salesforce, PHP, VueJS, AppleScript, or SQL administration.
• Mid-level skills in JavaScript, HTML, and CSS, especially in relation to FileMaker webviewer interfaces and Klai (FMBetterForms).
• Experience with or understanding of the Agile Lifecycle required. Demonstrate a strong history of success with developing and managing development projects.
• Advanced knowledge of relational database and application design relating to FileMaker; Including scripting, data parsing, and the ability to search technical documentation.
• Demonstrate the ability to work as part of an application development team; create task lists, timelines and deliverables; work to meet project schedules determined by others.

MainSpring is an IT strategy and consulting firm that arms organizations with the strategy, tools and resources to grow. We foster a family-friendly, innovative, challenging, fun working environment earning the distinction of being one of The Washingtonian’s 50 Great Places to Work and countless awards for employee programs, growth and innovation.

• Medical, Dental and Vision coverage for employee and family
• 401k + company matched contributions 4% match on 5% contribution – Employee contribute on the 1st day of the month after 30 days; Company contributes on the first day of the quarter after 1 year – no vesting period!
• Group Term Life and Accidental Death and Dismemberment coverage (company provided)
• Short-Term and Long-Term Disability coverage (voluntary enrollment, company provided)
• Health Reimbursement Account (HRA) w/ medical coverage
• 7 Paid Holidays + 1 Floating Holiday
• Paid Time Off (PTO)
• Bonus plans
• Tuition Reimbursement Program
• Employee Assistance Program
• Employee Referral Program
• Dynamic Recognition and Rewards
• Work with Industry-Leading Talent
• Promotion and Advancement Tracks

Founded in 1993, MainSpring is headquartered in Frederick, Maryland and supports a wide range of clients including businesses, non-profits and government agencies.

Like our clients, people tend to stay at MainSpring. If you think you’re a match, let’s connect.