Senior Software Engineer (Full Stack)

Seeking a seasoned Full Stack Java Developer to Join a fast-growing, innovation-driven technology company at the forefront of building advanced software platforms that make a real-world impact. This organization is developing cutting-edge applications used by professionals in high-stakes environments-where performance, reliability, and user experience truly matter.
As part of a collaborative and high-caliber engineering team, you'll play a key role in shaping modern, scalable systems while working on products that continue to evolve and expand. This is an opportunity for a seasoned engineer who thrives in dynamic environments, enjoys solving complex challenges, and wants to influence both architecture and technical direction.
*What we are looking for:*

* 7+ years of software engineering experience
* A true full-stack mindset with depth and breadth across technologies
* Strong communication skills and ability to influence technical direction
* Someone who enjoys whiteboarding, architecting solutions, and thinking critically about trade-offs
* Comfortable working in an evolving environment where not every requirement is predefined
* A team-first mentality ("we" vs. "I")
*Full Stack Java Developer will do the following in this role:*

* Design, develop, and maintain scalable full-stack applications
* Build modern, responsive front-end experiences using React
* Develop backend services with Java, Kotlin, Node.js, and REST APIs
* Contribute to architectural decisions and system design discussions
* Help evolve systems toward microservices and distributed architectures
* Collaborate cross-functionally with product and design teams
* Mentor engineers and promote engineering best practices
* Troubleshoot and resolve complex technical issues across the stack
*Required Skills needed:*

* Strong experience with Java in enterprise environments
* Proven ability to build scalable APIs and backend services
* Experience with microservices and distributed systems
* Exposure to Kotlin (or willingness to ramp quickly)
Frontend
* Strong experience with React and modern web applications
* Solid understanding of JavaScript/TypeScript
* Experience with component-based architectures and state management
Additional Technical Skills
* Experience with Node.js
* Knowledge of software design patterns and SOLID principles
* Strong understanding of data structures and system design
* Experience with PostgreSQL or relational databases
* Familiarity with AWS cloud services
* Understanding of CI/CD pipelines and modern DevOps practices
* Kotlin and/or Spring Boot
* GraphQL experience
* AWS EventBridge or messaging/event-driven systems
* Experience migrating monoliths to microservices
* Exposure to cloud-native architectures
*Job Type & Location*This is a Permanent position based out of Carlsbad, CA.
*Pay and Benefits*The pay range for this position is $135000.00 - $160000.00/yr.
Can provide these details upon request.
*Workplace Type*This is a fully onsite position in Carlsbad,CA.
*Application Deadline*This position is anticipated to close on Jul 10, 2026.

About TEKsystems


We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services


We're a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We're a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We're strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We're building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

*San Francisco Fair Chance Ordinance:* Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

*Massachusetts Lie Detector:* It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

*Use of Artificial Intelligence (AI):* We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.