Salesforce Developer

ISN; Bethesda (MD); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Comprehensive Medical Coverage with Rx

Flexible Spending Accounts (FSA)

Company-Paid Short-Term & Long-Term D

Company-Paid Basic Life Insurance

401(k) Retirement Plan

Paid Time Off from day one

Professional growth & leadership dev

Job summary

ISN Corporation is seeking a Senior Salesforce Developer to design, build, and maintain mission-critical Salesforce applications and APIs for federal programs. This hands-on role emphasizes deep Apex and LWC development, custom service layers, and production support to ensure reliable government systems.

The ideal candidate will mentor teams, enforce secure coding, and optimize systems for high-volume transactions, while collaborating with product and operations teams to enhance service design.

Qualifications

• 7+ years Salesforce development experience with heavy hands-on coding.
• Strong Apex and Lightning Web Components expertise.
• Experience building and supporting custom APIs and integrations.
• Production support and troubleshooting experience.
• Strong understanding of Salesforce limits, performance optimization, and secure service design.

Responsibilities

• Design, develop, version, and support ISN’s proprietary REST/SOAP APIs and service layers.
• Build and enhance custom integration frameworks using Apex, LWC, Platform Events, and asynchronous patterns.
• Develop and support solutions using Apex, Lightning Web Components (LWC), Visualforce (as needed), and Flows.
• Lead troubleshooting and resolution of production incidents, including API failures, data issues, and performance bottlenecks.
• Participate directly in production support and incident response.
• Perform deep root-cause analysis and implement durable fixes.
• Collaborate with product, operations, and federal program teams on service design and enhancements.

Skills

Salesforce development

Apex

Lightning Web Components

APIs & integrations

Production support

Secure coding

Performance optimization

Tools

Visualforce

Platform Events

Job description

At ISN, we believe our people are the driving force behind our success. For more than 45 years, we've partnered with over 150 federal agencies to deliver innovative, mission-critical solutions that strengthen government mission and serve the public.

Recognized over 25 times by the Washington Business Journal as one of the 50 Fastest Growing Government Contractors and by the Inc. 5000 as one of the Fastest Growing Private Companies, ISN continues to grow through exceptional service, innovation, and a commitment to excellence. We have earned more than 100 commendation letters from our customers recognizing our commitment to exceptional quality, timely delivery, and unwavering integrity. We take pride in our role as a trusted government partner, delivering innovative solutions that benefit society, strengthen national security, and support mission-critical operations.

At ISN, you'll find more than a career—you'll find an opportunity to influence strategy, lead high-performing teams, and help shape the future of government. We foster a collaborative, entrepreneurial culture where leaders are empowered to solve complex challenges, build strong customer partnerships, and create lasting impact.

If you're passionate about leading people, delivering operational excellence, and driving strategic growth across federal programs, we'd love to hear from you.

Why You'll Love Working at ISN

We believe great leaders deserve great support. Our comprehensive benefits package includes:

• Comprehensive Medical Coverage with Prescription Benefits
• Flexible Spending Accounts (FSA)
• Company-Paid Short-Term & Long-Term Disability
• Company-Paid Basic Life Insurance
• 401(k) Retirement Plan
• Paid Time Off beginning on your first day of employment
• Professional growth and leadership development opportunities

Who We’re Looking For:

You’re organized, energetic, and ready to make an impact. You thrive in fast-paced environments, love checking things off your to-do list, and can juggle multiple priorities without breaking a sweat. Most importantly, you bring a positive attitude and a problem-solving mindset to everything you do.

If you’re a self-starter with an eye for detail and a passion for excellence, we’d love to meet you.

ISN is seeking a Senior Salesforce Developer to work on mission-critical, fully custom-built Salesforce applications and APIs supporting federal programs. This is a hands-on engineering role focused on deep Apex and LWC development, custom service layers, integrations, and ongoing production support.

All ISN Salesforce platforms are custom developed, including proprietary APIs and automation frameworks. The ideal candidate is a strong coder who enjoys building, scaling, and supporting complex production systems.

U.S. citizenship is required. Active or prior security clearance is a strong plus.

Key Responsibilities

Serve as a hands-on senior developer building and maintaining custom Salesforce applications and APIs

• Design, develop, version, and support ISN’s proprietary REST/SOAP APIs and service layers
• Build and enhance custom integration frameworks using Apex, LWC, Platform Events, and asynchronous patterns
• Develop and support solutions using Apex, Lightning Web Components (LWC), Visualforce (as needed), and Flows
• Lead troubleshooting and resolution of production incidents, including API failures, data issues, and performance bottlenecks
• Participate directly in production support and incident response
• Perform deep root-cause analysis and implement durable fixes
• Optimize systems for high-volume transactions, concurrent users, and long-running processes
• Enforce secure coding standards and API governance
• Collaborate with product, operations, and federal program teams on service design and enhancements

Required Qualifications

• 7+ years Salesforce development experience with heavy hands-on coding
• Strong Apex and Lightning Web Components expertise
• Experience building and supporting custom APIs and integrations
• Production support and troubleshooting experience
• Strong understanding of Salesforce limits, performance optimization, and secure service design

Preferred Qualifications

• Active or previously held security clearance
• Salesforce Platform Developer certification(s)
• Experience in federal or regulated environments
• Experience with high-volume or multi-application Salesforce environments

This role offers the opportunity to work on real engineering problems, not configuration-only work, with direct impact on national-level systems.

Additional Information

ISN Corporation is proud to be an Equal Opportunity Employer.

We are an Equal Employment Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, age, national origin, protected veteran status, disability status, marital status, genetic information, or any other characteristic protected by law.

ISN Corporation maintains a Drug-Free Workplace. All candidates must successfully complete a pre-employment background investigation prior to starting employment.