Full Stack Developer
Full Stack Developer
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1 Vacancy
Job Description
We have an opening for a Full Stack Developer to contribute to the design development and support of LLNLs Enterprise Search and LivChat platforms. This position is in the Digital Experience and Search group within the Information Technology Solutions Division within the Computing Directorate in support of the LivIT program.
This position offers a hybrid schedule blending in-person and virtual presence. You will have the flexibility to work from home one or more days per week.
You will
- Provide software application engineering and maintenance for all phases of the software development lifecycle including analysis design implementation automated testing and support. This includes both frontend and backend development for all aspects of our search and LivChat environments.
- Leverage Elasticsearch Java Angular TypeScript python and other technologies in the support of various facets of the Labs enterprise search and LivChat applications including crawling indexing query tuning report building and updating the search APIs and User Interfaces.
- Create and update CI/CD pipelines to build and test new features and applications.
- Deploy software following an agile design methodology to be secure free of vulnerabilities and componentized for ease of maintenance.
- Provide analysis and innovative methods to enhance and extend the product services to customers.
- Provide knowledge sharing with team members and/or mentoring in application design and business processes.
- Perform other duties as assigned.
Qualifications :
- Ability to secure and maintain a U.S. DOE Q-level security clearance which requires U.S. citizenship.
- Bachelors degree in a computer or engineering related field or the equivalent combination of education and related experience.
- Broad experience with DML and/or DDL as they relate to one or more relational database management systems (e.g. Oracle MySQL).
- In-depth knowledge of current trends and best practices in web architecture and design in one or more of the following areas: performance accessibility UI/UX design prototyping scalability compliance and/or usability.
- Broad experience with ML models in the areas of text and image analysis.
- Experience with software development lifecycle version controls and issue tracking tools.
- Ability to own projects from beginning to end. This covers research technical design and working with others to develop needed components. Able to effectively manage concurrent technical tasks with competing priorities approach difficult problems with enthusiasm and creativity and ability to change focus when necessary.
- Proficient verbal and written communication skills necessary to effectively collaborate in a team environment and present and explain technical information and provide advice to management.
Qualifications We Desire
- Significant experience developing and optimizing data processing workflowsincluding chunking indexing ingestion and vectorizationfor text and/or non-text data.
- Experience implementing and maintaining auto-tagging systems and data/or preparation processes to enhance Retrieval-Augmented Generation (RAG) effectiveness and support accurate context-aware responses in GenAI applications.
- Proficient in leveraging advanced prompting techniques to develop test and optimize prompts for large language models (LLMs) ensuring high model performance response quality and accuracy across various use cases.
Additional Information :
#LI-Hybrid
Position Information
This is a Career Indefinite position open to Lab employees and external candidates.
Why Lawrence Livermore National Laboratory
- Included in 2025 Best Places to Work by Glassdoor!
- Flexible Benefits Package
- 401(k)
- Relocation Assistance
- Education Reimbursement Program
- Flexible schedules (*depending on project needs)
- Our values - visit Clearance
This position requires a Department of Energy (DOE) Q-level clearance. If you are selected we will initiate a Federal background investigation to determine if you meet eligibility requirements for access to classified information or matter. Also all L or Q cleared employees are subject to random drug testing. Q-level clearance requires U.S. citizenship.
Pre-Employment Drug Test
External applicant(s) selected for this position must pass a post-offer pre-employment drug test. This includes testing for use of marijuana as Federal Law applies to us as a Federal Contractor.
Wireless and Medical Devices
Per the Department of Energy (DOE) Lawrence Livermore National Laboratory must meet certain restrictions with the use and/or possession of mobile devices in Limited Areas. Depending on your job duties you may be required to work in a Limited Area where you are not permitted to have a personal and/or laboratory mobile device in your possession. This includes but not limited to cell phones tablets fitness devices wireless headphones and other Bluetooth/wireless enabled devices.
If you use a medical device which pairs with a mobile device you must still follow the rules concerning the mobile device in individual sections within Limited Areas. Sensitive Compartmented Information Facilities require separate approval. Hearing aids without wireless capabilities or wireless that has been disabled are allowed in Limited Areas Secure Space and Transit/Buffer Space within buildings.
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To learn more about recruitment scams: Employment Opportunity
We are an equal opportunity employer that is committed to providing all with a work environment free of discrimination and harassment. All qualified applicants will receive consideration for employment without regard to race color religion marital status national origin ancestry sex sexual orientation gender identity disability medical condition pregnancy protected veteran status age citizenship or any other characteristic protected by applicable laws.
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Remote Work :
No
Employment Type :
Full-time
Employment Type
Full-time
