Full Stack Developer
TITLE: Full Stack Software Engineer
LOCATION: 3 days onsite hybrid in Sunnyvale, CA
ANTICIPATED DURATION: 12 months (possibility to extend)
Client is the world’s largest professional network, built to help members of all backgrounds and experiences achieve more in their careers. Our vision is to create economic opportunity for every member of the global workforce. Every day our members use our products to make connections, discover opportunities, build skills, and gain insights. We believe amazing things happen when we work together in an environment where everyone feels a true sense of belonging, and that what matters most in a candidate is having the skills needed to succeed. It inspires us to invest in our talent and support career growth. Join us to challenge yourself with work that matters.
At Client, our approach to flexible work is centered on trust and optimized for culture, connection, clarity, and the evolving needs of our business.
The work location for this role is hybrid, based in Sunnyvale, CA, meaning it will be performed both from home and from a Client office on select days as determined by business needs.
We are seeking a Full-Stack Software Engineer (Contractor) to support Client Scaled Sales Development (SSD) organization, partnering closely with the Premium and Virtual Chat Assistant (VCA) teams. This role will accelerate delivery of Client Online Chat and technology roadmap—critical initiatives that enable scalable assisted-sales experiences and Premium product growth.
We trust each other to do our best work where it works best for us and our teams. This role offers a hybrid work option, meaning you can both work from home and commute to a Client office, depending on what’s best for you and when it is important for your team to be together.
You will collaborate with Product, Engineering, and UX partners to build and optimize key features across mobile, web, and cross-channel experiences that enhance personalization, engagement, and conversion. The contractor will be managed within SSD, with dotted-line collaboration across Premium and VCA leadership to ensure full alignment on roadmap priorities and execution.
Responsibilities
-Design, develop, and deploy scalable, high-volume, user-centric applications that power Client chat-based and self-serve sales experiences.
-Deliver on roadmap initiatives including:
-Mobile feature enhancements for Chooser and Survey experiences
-Cross-channel enablement via one-click chat deep links
-AI-driven recommender and conversational self-serve capabilities
-Expansion of chat entry points across Premium product surfaces and Help Centers
-Modular UI architecture to support differentiated routing and experiences
-Personalization and copy testing in partnership with UX and data science teams
-Partner with cross-functional stakeholders to ensure architectural trade-offs, dependencies, and design choices are well documented and aligned.
-Contribute to continuous integration, testing, and deployment pipelines to ensure reliable, high-quality delivery.
-Collaborate with SSD, Premium, and VCA leadership to ensure timely execution of key FY26/FY27 initiatives.
Basic Qualifications:
BA/BS in Computer Science or related technical field, or equivalent practical experience
2+ years of professional experience in software engineering, full-stack or backend development
Proficiency in one or more of the following: JavaScript, TypeScript, React, Python, Java, or C++
Preferred Qualifications
Experience designing and building infrastructure or web services at large scale
Expertise in React or modern front-end frameworks and API development
Familiarity with distributed systems, data pipelines, and asynchronous design patterns
Experience building AI-enabled or conversational interfaces
Strong understanding of responsive and accessible web/mobile design and localization
Familiarity with Client technology stack (Play Framework, Espresso, Kafka, Rest.li) is a plus
Full-Stack Development
API & System Design
Front-End Architecture (React / TypeScript)
The hourly pay rate range for this position is $70.00 to $78.50 (dependent on factors including but not limited to client requirements, experience, statutory considerations, and location). Benefits available to full-time employees: medical, dental, vision, disability, life insurance, 401k and commuter benefits.
Synergis is proud to be an Equal Opportunity Employer. We value diversity and do not discriminate on the basis of race, color, ethnicity, national origin, religion, age, gender, gender identity, political affiliation, sexual orientation, marital status, disability, military/veteran status, or any other status protected by applicable law.
Qualified applicants with arrest or conviction records will be considered for employment in accordance with the requirements of applicable state and local laws, including but not limited to, the San Francisco Fair Chance Ordinance, the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance, the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.
For immediate consideration, please forward your resume to t.nguyen@synergishr.com
If you require assistance or an accommodation in the application or employment process, please contact us at t.nguyen@synergishr.com.
Synergis is a workforce solutions partner serving thousands of businesses and job seekers nationwide. Our digital world has accelerated the need for businesses to build IT ecosystems that enable growth and innovation along with enhancing the Total Experience (TX). Synergis partners with our clients at the intersection of talent and transformation to scale their balanced teams of tech, digital and creative professionals. Learn more about Synergis at www.synergishr.com.