Senior Developer – FileMaker Platform

MainSpring; United States; Remote; USD 75,000 - 120,000; Full time

Benefits offered by this job

Medical, Dental and Vision coverage

401k + company match

Life insurance

Disability coverage

HRA health spending account

PTO

Bonus plans

Tuition Reimbursement

Employee Assistance Program

Employee Referral Program

Professional development

Job summary

MainSpring is seeking a Senior FileMaker Developer to design, build, and implement FileMaker applications for government and commercial clients. You will optimize server performance, integrate with external services via APIs, and advance AI-assisted development practices.

The role emphasizes security, robust documentation, and collaboration with stakeholders. Remote-friendly, full-time, with competitive salary and benefits.

Qualifications

• Requires extensive experience with the complete Claris FileMaker Platform and completion of Claris certifications.
• Strong experience with API integration, including REST, OData and GraphQL APIs.
• Ability to leverage AI-powered development tools and maintain engineering judgment, security, and ownership.
• Advanced troubleshooting and root-cause analysis within FileMaker, including script performance, data integrity, and server issues.
• Experience with Agile Lifecycle and managing development projects.

Responsibilities

• Design, develop, and maintain FileMaker applications across desktop, web, and mobile environments.
• Architect and implement integrations with third-party services using APIs and external connectivity.
• Administer and optimize FileMaker Server environments for performance and security.
• Troubleshoot complex application and server issues and drive continuous improvement.
• Lead projects with scope, risk analysis, and timelines; translate requirements into scalable solutions.

Skills

FileMaker Platform

API integration

JavaScript

Security best practices

AI-powered tools

Claris certifications

Agile lifecycle

Team collaboration

Education

Bachelor’s degree

Tools

SharePoint

Salesforce

PHP

VueJS

AppleScript

SQL administration

Job description

Job Location :Remote

Type :Full-time, Mon-Fri (EST)

Number of Openings :1

Start Date :Immediately

Salary Range : $75,000-$120,000 annually

Clearance Required : None

MainSpring, Inc. is looking for an experienced, innovative, and forward-thinking Senior FileMaker Developer. The Senior Developer is responsible for planning, designing, developing, and implementing creative application solutions for a variety of government and commercial U.S. and international clients. Adherence to proven processes and standards outlined in the MainSpring Agile Development process is required. The ideal candidate is efficient, exhibits meticulous follow-through, and possesses the ability to prioritize competing demands effectively. If you’re looking to join an organization with an exceptional work-life balance, look no further.

Essential Duties and Responsibilities

• Design, develop, andmaintain custom FileMaker applications across desktop, web, and mobile environments.Develop andmaintain scripts, calculations, layouts, custom functions, and automation workflows.
• Architect and implement integrations with third-party applications and services usingAPIs and other external connectivity.
• Administer, monitor, andoptimize FileMaker Server environments to ensure performance, reliability, security, and availability.
• Troubleshoot and resolve complexapplication, 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 andmaintain technical documentation, system architecture diagrams, and deployment procedures.
• Participate in application lifecycle management, including testing, deployment, upgrades, and support.
• Ensure project development/featuresremain 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 billableutilization targets.
• Maintain proficiency and certification in development platforms asrequired.

Requirements

• Bachelor’s degree in a related fieldpreferred;orcomparable experienceisrequired.
• Excellent communication and customer service skills.
• Extended experience withthecompleteClarisFileMaker Platform, and completion of all currently availableClaris certifications.
• Ability to effectivelyleverage AI-powered development tools and coding assistants as a force multiplier for application design, code generation, troubleshooting, documentation, testing, and productivity enhancement whilemaintaining strong engineering judgment, code quality,_ security _, and solution ownership.
• Strong experience with API integration, including:
  • REST,OData andGraphQL APIs
  • JSON,XML and other data structures
  • OAuth and token-based authentication
• Advanced troubleshooting and root-cause analysis skills within the FileMaker platform, including experiencediagnosing and resolving:
  • Script performance issues
  • Data integrity concerns
  • Server performance bottlenecks
  • Authentication and connectivity issues
  • Complex application defects
• At least onetandem partnerdevelopmentskill, such asSharepoint, Salesforce, PHP,VueJS, AppleScript,orSQLadministration.
• Mid-levelskills in JavaScript, HTML, and CSS, especially in relation to FileMakerwebviewer interfaces and Klai (FMBetterForms).
• Experiencewith or understandingof the AgileLifecyclerequired. Demonstratea 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.
• Demonstratethe ability to work as part of an application development team; create task lists,timelines anddeliverables; work to meet project schedulesdetermined by others.

About MainSpring

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 awardsfor 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 1_st_ 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.