Senior Flutter Developer Jobs in Linden, NJ (NOW HIRING)

Job#: 3045386
Job Description:
Lead Software Engineer
Location
New York, NY
About the Role
We are seeking a highly experienced and driven Lead Software Engineer to lead the modernization of a customer-facing digital product platform. This role requires deep expertise in modern software development practices, a passion for emerging technologies, and the ability to provide strong technical leadership and mentorship.
You will play a critical role in shaping the platform's technical direction and ensuring it is scalable, resilient, secure, and maintainable for long-term growth. This is a hands-on leadership position that combines architecture, engineering execution, technical decision-making, and mentorship.
Key Responsibilities
Architecture & Engineering

• Architect and implement a modern digital product platform using technologies such as:
  • TypeScript
  • Node.js
  • Next.js
  • React
  • React Native
  • Flutter
  • GraphQL
• Establish and champion engineering practices that promote modularity, scalability, resiliency, security, and maintainability.
• Define and uphold coding standards, architectural patterns, testing strategies, and quality metrics.
• Lead technical design discussions, design reviews, and code reviews.
• Provide hands-on technical guidance across web, mobile, API, and platform engineering initiatives.
• Develop and improve CI/CD pipelines and contribute to DevSecOps practices.
• Help define platform hosting, deployment, and runtime strategies that support reliability and performance at scale.

Platform Modernization

• Lead the modernization of an existing digital product platform supporting multiple customer and partner use cases.
• Reduce technical debt through thoughtful architecture, pragmatic trade-offs, and disciplined execution.
• Build stable, reusable technical foundations that accelerate product development and future platform expansion.
• Improve performance, reliability, security, scalability, and maintainability across web and mobile applications.
• Evaluate emerging technologies and recommend solutions based on technical fit, business value, and long-term sustainability.

Technical Ownership

• Own the technical vision and architecture of the platform.
• Serve as a key decision-maker for technology selections, architectural trade-offs, and implementation approaches.
• Take accountability for platform quality, performance, security, and long-term sustainability.
• Identify and proactively address technical risks, scalability challenges, and architectural gaps.
• Ensure technical decisions align with customer needs, business objectives, and organizational priorities.

Engineering Leadership & Collaboration

• Partner closely with Product Managers, Designers, and business stakeholders to translate requirements into scalable technical solutions.
• Collaborate with engineering peers, mobile and web teams, platform services, security, infrastructure, and operations.
• Mentor and coach engineers while fostering a culture of learning, quality, accountability, and continuous improvement.
• Promote architectural consistency and technical alignment across teams.
• Share knowledge through clear documentation, technical discussions, design reviews, and constructive feedback.

Expected Outcomes

• A modernized, production-ready digital platform supporting both business and consumer use cases.
• Well-documented and maintainable codebases aligned with established architectural standards.
• Consistent and repeatable deployments enabled by standardized CI/CD pipelines.
• Improved performance, reliability, security, and scalability across web and mobile applications.
• Reusable technical foundations that support future product development, integrations, and platform growth.
• Stronger engineering practices and greater technical consistency across development teams.

Qualifications
Required Experience

• Bachelor's degree in Computer Science, Engineering, or a related technical field, or equivalent practical experience.
• 10+ years of professional software development experience, including significant experience in senior, staff, principal, or lead-level roles.
• Proven success designing and delivering large-scale, high-impact platforms in production environments.
• Demonstrated experience providing technical leadership across architecture, design, implementation, and operational support.
• Experience building and operating customer-facing web and mobile applications.
• Experience developing business-to-business APIs, portals, integrations, or transaction-driven systems.
• Experience partnering with Product, Design, Engineering, and business stakeholders to deliver meaningful outcomes.

Technical Skills
Expert-level proficiency in modern application development, including:

• TypeScript, Node.js, and Next.js
• React, React Native, and Flutter
• Swift and Kotlin
• GraphQL and REST-based API design and integration
• PostgreSQL and MongoDB
• Database design, performance optimization, and data access patterns
• CI/CD pipelines and DevSecOps practices
• iOS and Android application delivery
• Mobile release and application store lifecycle management
• Event-driven and asynchronous architectures
• Messaging and queue-based systems
• Third-party platform and API integrations
• Identity and single sign-on integrations
• Payment and digital commerce integrations

Preferred Experience

• Experience with real-time or near-real-time systems.
• Experience building communication, collaboration, or media-enabled applications.
• Experience supporting platforms with complex integrations and high transaction volumes.
• Familiarity with cloud-native architectures and distributed systems.
• Advanced degree in a related field.

Core Competencies

• Platform and systems architecture
• Technical decision-making and trade-off analysis
• Full-stack software engineering
• Web and mobile application development
• API design and systems integration
• Code quality, testing, and maintainability
• Performance, scalability, and reliability engineering
• Security-aware design and implementation
• Technical mentorship and engineering leadership
• Cross-team alignment and stakeholder influence
• Continuous improvement and engineering excellence

What We're Looking For

• A hands-on technical leader who is comfortable operating at both strategic and implementation levels.
• A systems thinker who can balance immediate delivery needs with long-term architectural health.
• A curious, pragmatic, and outcomes-driven engineer with a passion for continuous improvement.
• A confident communicator who can influence technical direction across teams and stakeholders.
• A resilient and adaptable leader who performs well in fast-moving environments.
• A collaborative mentor who helps strengthen the capabilities and confidence of other engineers.
• An ownership-oriented professional who views platform reliability, scalability, security, and maintainability as long-term responsibilities.

Compensation & Benefits
Compensation
Compensation is market competitive and will vary based on experience, skills, geographic location, and other job-related factors. This role may also be eligible to participate in a performance-based incentive program.
Benefits
Eligible employees may receive access to a comprehensive benefits package that includes:

• Competitive compensation and incentive opportunities
• Medical, dental, and vision coverage
• Retirement savings plans with employer contributions
• Generous paid time off and company holidays
• Paid parental and family leave
• Life and disability insurance
• Tuition assistance and educational reimbursement
• Professional development, training, and certification support
• Employee wellness programs
• Mental health and work-life support resources
• Employee assistance services

Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.
Everforth Apex uses a virtual recruiter as part of the application process. Click for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at
Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Everforth Apex team member can provide.
Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.
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