Senior Software Engineer – Tech Modernization

Nava

Senior/Software Engineer aiding in legacy system modernization at Nava. Focused on building innovative solutions throughout the modernization lifecycle.

Posted 6/4/2026full-timeRemote • Alabama, Arizona, California, Colorado, Connecticut, District of Columbia, Florida, Illinois, Louisiana, Maine, Maryland, Massachusetts, Minnesota, Missouri, Montana, Nevada, New Jersey, New York, North Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Utah, Virginia, Washington, Wisconsin • 🇺🇸 United StatesSenior💰 $135,900 - $153,000 per yearWebsite

About the role

Key responsibilities & impact

Survey the technical landscape to identify the right tools, platforms, and technologies to accomplish modernization objectives
Develop solutions that leverage generative AI and traditional engineering approaches to understand legacy systems and their business rules
Build proofs of concept, prototypes, and demonstration applications that showcase modernization capabilities
Design and implement approaches for translating legacy systems into modern architectures and technology stacks
Develop solutions that reduce modernization risk by validating replacement applications and ensuring functional parity
Brainstorm and evaluate multiple approaches to complex technical problems, identifying trade-offs and risks
Experiment with new technologies and methodologies to rapidly identify successful patterns and limitations
Collaborate with engineering teams, subject matter experts, and government stakeholders to understand constraints and build support for modernization strategies
Create reusable patterns, playbooks, and processes that help teams modernize legacy systems more effectively
Support modernization efforts by applying tools and approaches to real-world client challenges

Requirements

What you’ll need

Ability to quickly learn new technologies, patterns, and concepts
Strong knowledge of legacy system modernization and migration patterns
Experience integrating with, modernizing, or migrating legacy systems
Experience refactoring, maintaining, or extending complex full-stack applications using a variety of frameworks and technologies
Proven ability to rapidly prototype concepts to validate technical feasibility and identify implementation risks
Ability to work independently and turn loosely defined ideas into functional software solutions
Strong problem-solving skills and comfort navigating ambiguity
Ability to influence stakeholders and build alignment within large organizations
Experience balancing experimentation with delivery of reliable, maintainable solutions
Strong written and verbal communication skills

Benefits

Comp & perks

Health coverage — comprehensive medical, dental, and vision plans to support your overall health needs
Insurance coverage — Nava provides disability, life, and accidental death insurance at no cost
Time off — vacation, holidays (including Juneteenth), and floating holidays to rest and recharge
Company holidays — enjoy 12 paid federal holidays each year on top of your regular PTO
Annual bonus — when Nava meets its goals, eligible employees receive a performance-based annual bonus
Parental leave — paid time off for new parents, plus weekly meals delivered to your home
Wellness program — full platform offering physical, mental, & emotional health resources & support tools
Virtual care — see doctors online with no copay through UnitedHealthcare’s virtual visit program
Sabbatical leave — earn extended unpaid leave after continuous service for personal growth or rest
401(k) match — Nava matches 4% of your salary to support your retirement savings plan
Flexible work — remote-first environment with flexibility built around your schedule and responsibilities
Home office setup — company laptop & setup assistance provided via Staples for remote work needs
Utility support — monthly reimbursement to help offset eligible home office utility expenses
Learning opportunities — internal training programs and resources to help grow your professional skills
Development opportunities — LinkedIn Learning access & an annual allowance for courses, tuition, & certs
Referral bonus — get rewarded when you refer great people who join the Nava team
Commuter benefits — pre-tax commuter programs to support in-office travel when applicable
Supportive culture — A collaborative and remote-friendly team environment where people genuinely care

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

generative AIlegacy system modernizationmigration patternsfull-stack applicationsprototypingrefactoringmaintaining applicationscomplex problem-solvingfunctional software solutionsmodern architectures

Soft Skills

ability to learn new technologiesstrong problem-solving skillsinfluence stakeholdersbuild alignmentwork independentlynavigate ambiguitystrong written communicationstrong verbal communicationcollaborationcreativity