Senior Java Full Stack Developer

Expleo
St Paul, MN

Overview

Title: Senior Java Full‑Stack Developer

Location: Fully Remote (Client team based in St. Paul, MN)Employment Type: W2 – Hourly or Salaried (Your Choice)

Build Systems That Matter—From Anywhere

Are you a seasoned Java Full‑Stack Developer who thrives on solving complex problems and designing scalable, compliant systems? Trissential is hiring a Senior Java Full‑Stack Developer to join one of our client’s teams on a long‑term, high‑impact engagement.

This is more than just another development role. You’ll play a key role in architecting and delivering enterprise‑grade, workflow‑driven systems used in regulatory and compliance environments—while enjoying the flexibility of fully remote work.

What’s in It for You?

  • High‑Impact Work – Design and deliver complex systems that support critical regulatory, compliance, and reporting needs
  • Architectural Ownership – Influence technical direction, system design, and best practices across a multi‑module platform
  • Remote Flexibility – Work fully remote while collaborating with a highly skilled, cross‑functional team
  • Leadership Without Micromanagement – Operate as a trusted senior engineer and mentor, with autonomy and accountability
  • Long‑Term Stability – Join a well‑funded client program with ongoing enhancements and modernization initiatives

Your Role & Responsibilities

  • Collaborate with business users, analysts, QA, and developers to translate program requirements into technical designs and working software
  • Contribute to risk identification, effort estimation, project planning, and status reporting
  • Produce architecture diagrams, data models, API contracts, and component designs aligned with best practices
  • Design and implement new modules supporting dynamic form building, workflows, scheduling, findings, corrective actions, and document management
  • Build configurable, program‑specific electronic forms with validation logic, scoring, and lifecycle state management
  • Develop RESTful APIs and backend services using Java, Spring MVC, JPA/Hibernate, and SQL
  • Create responsive, mobile‑friendly, accessible (WCAG 2.1 AA) user interfaces
  • Implement document upload, secure storage, metadata tagging, retention rules, and retrieval
  • Develop and maintain scheduling components for review phases, notifications, and deadlines
  • Support search, caching, and performance optimization initiatives
  • Build complex regulatory and compliance reporting solutions, including USDA 640 submissions
  • Write clean, secure, testable code with comprehensive automated test coverage
  • Identify and resolve defects, performance bottlenecks, and security vulnerabilities
  • Produce clear technical documentation for architecture, APIs, workflows, and support operations
  • Mentor developers, lead code reviews, and promote engineering best practices
  • Work independently while aligning deliverables with broader project milestones

Skills & Experience You Should Possess

  • 10+ years of professional enterprise Java development experience
  • Deep expertise in the Spring ecosystem (Spring MVC, Spring Data JPA, Spring Security, Spring Validation)
  • Strong experience with Hibernate/JPA, domain‑driven design, and relational database modeling
  • Proven ability to design and consume RESTful APIs, including versioning and documentation
  • Advanced SQL skills, including query optimization and large dataset handling (SQL Server preferred)
  • Experience developing responsive, accessible front‑end interfaces (HTML, JavaScript, jQuery, Bootstrap, React, or Angular)
  • Strong understanding of application performance tuning and profiling
  • Extensive experience with automated testing using JUnit, Spring Test, or equivalent frameworks
  • Hands‑on experience with CI/CD pipelines and automated deployments
  • Strong secure‑coding knowledge (SQL injection, XSS, CSRF, deserialization risks, etc.)
  • Experience working in Agile/Scrum environments

Bonus Points If You Have

  • Experience designing dynamic form engines or workflow/state‑machine systems
  • Background in government, regulatory, or compliance‑driven environments
  • Familiarity with Azure cloud services
  • Experience serving as a technical lead or solution architect
  • Experience with audit‑heavy systems and strict data governance requirements

Education & Certifications You Need

  • Bachelor’s degree in Computer Science, Information Systems, or a related field (or equivalent experience)
  • Relevant cloud or security certifications are a plus, but not required

What We Offer

At Trissential, we believe in rewarding expertise and giving you flexibility in how you work and get paid.

  • Competitive Compensation – You choose the model that works best for you, both with company‑sponsored benefits! $117,000–$125,000 annually or $73–$78 per hour. Final compensation is determined based on skill alignment, years of experience, and fair, market‑based rates by geography.
  • Comprehensive Benefits for you and your dependents – Medical, dental, vision, free tele‑health, HSA with company contribution, life and disability insurance, and 401k with matching
  • Paid Time Off – Both compensation models offer paid time away from work
  • Fully Remote Work Model – Work from anywhere in the U.S.
  • Career Growth & Longevity – Opportunities to expand your technical leadership and influence system architecture
  • Supportive Engineering Culture – Collaborative, respectful, and quality‑driven

This role is open only to candidates authorized to work in the United States.

Ready to Build What’s Next?

If you’re looking for a senior‑level role where your technical expertise truly matters, apply today and take the next step in your career with Trissential, supporting a client mission that values quality, compliance, and thoughtful engineering.

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