Senior Full Stack Engineer (Hybrid – Lake Mary, FL)

Compensation: $140k–$150k base
Experience: Ideally 5–9 years (8+ listed in responsibilities)

We’re looking for a Senior Full Stack Engineer who can design and develop scalable applications end-to-end—from modern frontend interfaces to cloud-based backend services. You’ll help shape technical decisions, mentor engineers, and deliver high-impact software for complex, data-driven environments.

Hybrid Requirement: Minimum 3 days onsite per week in the Lake Mary, FL office.
Team Preferences: Longer tenures, SaaS or product-focused environments, strong alignment with required technologies.
Requirement: Candidates must have Java experience (team will not consider candidates without Java). AWS experience is also required.

What You’ll Do

Partner with Product, Business Operations, and customer-facing teams to understand requirements

Design and build scalable full-stack applications and APIs

Develop responsive, modern React/TypeScript frontends

Build backend services with strong test coverage

Optimize database queries and manage complex relational data

Architect, deploy, and maintain cloud infrastructure on AWS

Write and maintain automated unit and integration tests

Contribute to cross-team collaboration and technical decision-making

Mentor junior engineers and uphold engineering best practices

Participate in code reviews and maintain coding standards

What We’re Looking For

8+ years software engineering experience

Expertise in a strongly typed backend language: Java required (Scala, Kotlin, C#, or TS also acceptable)

Strong React + modern JavaScript/TypeScript experience

Advanced SQL experience (PostgreSQL preferred):

Complex joins & subqueries

CTEs

Query optimization

Hands-on AWS experience with:

EC2 or ECS

CloudFront

ELB

S3

IAM

Strong testing experience (unit & integration)

Experience with distributed systems or microservices

Solid understanding of software engineering best practices

Preferred

Terraform or other IaC tools

End-to-end testing (e.g., Cypress)

Docker/Kubernetes

CI/CD pipelines and DevOps practices

Experience in high-traffic production environments

Equal Opportunity Employer / Disabled / Protected Veterans

The Know Your Rights poster is available here:
https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12.pdf

The pay transparency policy is available here:
https://www.dol.gov/sites/dolgov/files/ofccp/pdf/pay-transp_%20English_formattedESQA508c.pdf

For temporary assignments lasting 13 weeks or longer, AppleOne is pleased to offer major medical, dental, vision, 401k and any statutory sick pay where required.

We are committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation for any part of the employment process, please contact your staffing representative who will reach out to our HR team.

AppleOne participates in the E-Verify program in certain locations as required by law. Learn more about the E-Verify program.
https://e-verify.uscis.gov/web/media/resourcesContents/E-Verify_Participation_Poster_ES.pdf

We also consider for employment qualified applicants regardless of criminal histories, consistent with legal requirements, including, if applicable, the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance. Pursuant to applicable state and municipal Fair Chance Laws and Ordinances, we will consider for employment-qualified applicants with arrest and conviction records, including, if applicable, the San Francisco Fair Chance Ordinance. For Los Angeles, CA applicants: Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.