California

Developer Jobs in California

266 jobs found

Include remote jobs

1mo ago

Software Engineer I - AI/ML, AWS Neuron Distributed Training

Annapurna Labs (U.S.) Inc. Cupertino, CA

Cupertino, CA

1mo ago Closed

$127k - $185k/yr Full time AWS Aws Neuron Cloud

This position is no longer accepting applications (closed Jul 7, 2026).

Job Description

Annapurna Labs (U.S.) Inc is seeking a Software Engineer I to contribute to AI and ML distributed training initiatives in Cupertino, onsite. This role centers on optimizing large-scale models on AWS Trainium, including mixed-precision training and framework extensions, in collaboration with hardware and AWS teams. The position offers a salary range of USD 127,100 - 185,000 per yearly.

Responsibilities

Help design and implement distributed training solutions for large-scale ML models running on Trainium instances.
Extend and optimize distributed training frameworks such as FSDP, torchtitan, and Hugging Face libraries within the Neuron ecosystem.
Develop and optimize mixed-precision and low-precision training techniques, including BF16, FP8, and emerging numerical formats to boost training throughput while preserving accuracy.
Implement precision-aware training strategies, loss scaling, and careful gradient management to maintain stability across reduced precision formats.
Profile, analyze, and tune end-to-end training pipelines to maximize performance on Trainium hardware.
Collaborate with hardware, compiler, and runtime teams to understand system constraints and unlock new capabilities.
Work with AWS solution architects and customers to support the deployment and optimization of training workloads at scale.

Requirements

Bachelor's degree or higher in computer science, computer engineering, or a related field, or equivalent
1+ years of programming experience in at least one software language (including academic projects, internships, or research)
Experience with software development practices including code reviews, source control, testing, and build processes
Experience with machine learning concepts and at least one ML framework (PyTorch, JAX, or TensorFlow)

Technologies

FSDP
torchtitan
Hugging Face libraries
PyTorch
JAX
TensorFlow
Trainium
AWS Neuron
BF16
FP8

Benefits

Health insurance
401(k) matching
Paid time off
Parental leave
Sign-on payments
Restricted stock units (RSUs)
Flexible Spending Accounts
Employee Assistance Program (EAP)
Mental Health Support
Adoption and Surrogacy Reimbursement

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1mo ago

Software Developer

Oracle Redwood City, CA

Redwood City, CA

1mo ago Closed

Full time Cyber Security Data Security Encryption Key Management

This position is no longer accepting applications (closed Jul 5, 2026).

Job Description

Oracle is seeking a Senior Principal Software Development Engineer to own the architecture, evolution, and delivery of OCI's Key Management Service within the Oracle Cloud Infrastructure Security Platform. Based onsite in Redwood City, CA, this role leads cross-functional initiatives across the KMS stack to deliver secure, scalable cryptographic services for Oracle Cloud and its customers.

Responsibilities

Provide technical leadership and strategic direction for secure, high-performance components and services that meet rigorous enterprise and compliance requirements.
Lead the design and development of new KMS features, with deep integration to Hardware Security Modules (HSMs) and encryption-at-rest support across OCI.
Define specifications and architectural designs for new initiatives, ensuring alignment with OCI security vision and cloud-scale standards.
Collaborate with cross-functional teams to deliver scalable, maintainable solutions, ensuring tight integration with Oracle services such as Database, Storage Services, SaaS, and other OCI offerings.
Drive end-to-end project execution, from technical requirements and prototyping to implementation and production rollout.
Champion engineering best practices, innovation, and continuous improvement across the team—challenging assumptions and driving architectural excellence.
Facilitate and oversee real-world operational readiness, ensuring full lifecycle management and secure deployment at scale beyond simple API integration.

Technologies

Key Management Service (KMS)
Hardware Security Modules (HSMs)
Oracle Cloud Infrastructure (OCI)

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1mo ago

Embedded Software Engineer

Arkham Technology Ltd. Irvine, CA

Irvine, CA

1mo ago Closed

$85k - $180k/yr Full time Embedded Linux Embedded Systems Engineering

This position is no longer accepting applications (closed Jul 4, 2026).

Job Description

Arkham Technology Ltd offers an on-site Embedded Software Engineer role in Irvine, CA with a competitive compensation range of USD 85,000 - 180,000 per year. You will contribute to embedded software solutions for network security products and collaborate across teams to bring secure, reliable systems to life. This position requires U.S. citizenship and the ability to obtain and maintain a DoD Secret clearance.

Benefits

401(k)
401(k) matching
Dental insurance
Employee assistance program
Health insurance
Life insurance
Parental leave
Referral program
Vision insurance

Responsibilities

Design, code, test, integrate and document firmware and software for embedded systems and communication products
Support software engineering activities including interface design, system integration, code reviews, and software testing
Participate in internal review of software components and systems
Create required project documentation to support contract deliverables, including development plans, requirements and design specifications, and test documents
Develop embedded software for network security applications, covering device management software, communication protocols, device drivers, and control plane security features
Collaborate with cross-functional teams to integrate software and hardware solutions
Manage requirements through decomposition, allocation, verification, and validation

Requirements

Bachelor’s degree in Engineering, Computer Science, or a related field
4+ years of experience in embedded systems design
High proficiency in embedded C/C++ or equivalent systems language
Broad understanding of end-to-end network system architecture from wireless physical layer to application end-point
Knowledge of MAC and Networking layers in communication systems
Deep understanding of IPsec, network protocols, data authentication and encryption (TLS, SSL, OpenSSL, X.509 Certificates, etc.)
Experience with various security protocols and encryption algorithms including CNSA
Experience with low-level hardware driver implementation
Experience with embedded Linux
Ability to work in a Bare Metal environment
Familiarity with ARM architecture
Strong problem-solving skills and a collaborative team mindset
Excellent verbal and written communication skills
U.S. Citizenship required; ability to obtain and maintain a security clearance
Willingness to travel periodically as needed

Technologies

Embedded C/C++
Embedded Linux
ARM architecture
OpenSSL, X.509 Certificates, TLS, SSL
CNSA algorithms
Cameo Systems Modeler
NETCONF, RESTCONF, YANG
EKMS, KMI
SHA, HMAC, Elliptic Curve cryptography
CMS, Public Key Infrastructure
RESTful and SOAP interfaces
IPsec

Desirable Qualifications

Experience with DoD applications across systems, software, and hardware development
Familiarity with DoD protocols, dynamic discovery processes, and security in DoD networks
Expertise in cryptographic technologies and cross-domain solutions
Proficiency with Cryptographic Modernization 2 Operational Management
Knowledge of NETCONF/RESTCONF and YANG for network management
Understanding of cryptographic key management using EKMS and KMI
Experience with architecture development and modeling tools like Cameo Systems Modeler
Knowledge of networking and interface technologies including RESTful and SOAP services
Ability to define security requirements for authentication, integrity, and confidentiality
PKI expertise with trust chains, certificate revocation, and validation
Experience with cryptographic primitives including SHA, HMAC, Elliptic Curve, and quantum-resistant approaches
Familiarity with Cryptographic Message Syntax (CMS)

Application Questions

How did you hear about this opportunity? (Indeed, LinkedIn, Flyers, or other)
Have you worked with Secure Boot in prior roles, particularly in embedded systems or firmware security?
Are you a U.S. citizen?

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1mo ago

Software Engineer Calibration and Algorithms

Iventim inc. San Diego, CA

San Diego, CA

1mo ago Closed

Full time Python Algorithms Calibration

This position is no longer accepting applications (closed Jul 3, 2026).

Job Description

Iventim Inc. is seeking a Software Engineer with a focus on Calibration and Algorithms to build and validate sensor calibration routines, develop tooling for visualization, and document onboarding resources within a fast-paced, cross-functional team in San Diego. This on-site role combines hands-on algorithm work with cross-disciplinary collaboration to ensure reliable sensor performance across multiple domains.

Responsibilities

Design and implement calibration algorithms for sensors such as ALS, Health, and Proximity.
Develop and maintain unit and integration tests for new algorithms.
Create and sustain a software framework that supports visualization tools.
Document the frameworks and produce tutorials to onboard new team members.
Follow software engineering best practices, including version control, test-driven development, and thorough documentation.
Contribute across all phases of the software lifecycle, from requirements and planning to design, build, testing, and deployment.

Requirements

Hands-on software development experience with Python3, OpenCV, pandas, and numpy.
Ability to prototype algorithms in C++ and Python, starting with initial data analysis to identify trends.
Background in signal processing, computer vision, robotics, or an equivalent field.
Strong problem-solving abilities and the capacity to break complex problems into manageable tasks.
Self-motivated, hands-on, independent, and dedicated.
Excellent collaboration skills in a diverse and dynamic team environment.

Technologies

Python3
C++
OpenCV
pandas
numpy
Objective-C

Experience

OpenCV: 2 years (Required)
C++: 4 years (Required)
Python: 4 years (Required)

Project details

Location: San Diego, 100% on-site
Contract: Full-time employment
Timezone requirement: PST

Success criteria / Definition of done

Calibration algorithms meet predefined quantitative error targets.
Unit tests and integration tests exist and pass.
Algorithms and frameworks are fully documented.

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1mo ago

Senior Software Engineer

Digital Force Technologies San Diego, CA

San Diego, CA

1mo ago Closed

$150k - $180k/yr Full time Senior Engineering Go

This position is no longer accepting applications (closed Jul 3, 2026).

Job Description

Join Digital Force Technologies as a Senior Software Engineer on the Seraphim Platform in San Diego, onsite. This is a full-time role that combines hands-on coding with architectural influence in a fast paced environment, offering the opportunity to build complex systems and make an immediate impact. You will collaborate with Product Management and cross-functional teams to advance the software roadmap and deliver meaningful features for internal and external customers.

Location: San Diego, CA (onsite). Compensation ranges from USD 150,000 to 180,000 per year, with bonus opportunities. The role includes a comprehensive benefits package and a supportive culture that emphasizes technical excellence and teamwork.

Benefits

401(k)
401(k) 5% Match
AD&D insurance
Bereavement leave
Dental insurance
Employee assistance program
Flexible spending account
Free parking
Health insurance
Health savings account
Life insurance
Paid time off
Retirement plan
Snacks provided
Vision insurance
Bonus opportunities
Yearly bonus

Responsibilities

Develop clean, maintainable code and deliver reliable software
Sustain and enhance existing applications to keep pace with evolving environments
Utilize and contribute to Digital Force Technologies' common libraries
Regularly deploy software to production environments
Collaborate across teams to support the software roadmap
Contribute to pivotal architecture and design decisions
Assist in planning for future applications leveraging new technologies
Support and communicate with Product Management and cross-functional teams
Lead or collaborate on projects that deliver new or enhanced functionality for internal and external customers

Requirements

8+ years of relatable software experience
Bachelor’s Degree or equivalent work experience
Excellent communication and documentation skills
Strong problem-solving and analytical abilities
Experience developing in mid-size, multi-language software projects with emphasis on interoperability and reusability
Comfortable integrating third-party codebases or libraries into existing projects
Proficient in developing and navigating Linux-based environments
Proficient in at least one of the following languages: C++, Rust, Go, Python
Eligibility to obtain and maintain a U.S. security clearance

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1mo ago

Frontend Developer

HealthCare Synergy, Inc. Cypress, CA

Cypress, CA

1mo ago Closed

$80k - $90k/yr Full time .NET API APIs

This position is no longer accepting applications (closed Jul 3, 2026).

Job Description

HealthCare Synergy, Inc. is seeking a Frontend Developer to join an Agile team responsible for the design, development, testing, and deployment of enterprise solutions. This onsite role in Cypress, CA places you in Southern California to collaborate closely with cross-functional stakeholders while building robust frontend experiences.

Responsibilities

Apply established development tools and conventions, including C#, JavaScript, TypeScript, Vue, .NET ASP MVC, Playwright, and JMeter, to deliver frontend features.
Support the transition of an existing .NET ASP MVC based Front End into a Vue Front End.
Work in a test-driven environment using multiple APIs to meet requirements.
Refine requests into functional displays that use the minimum necessary data.
Create prototypes and transform them into working solutions using both fake and real data.
Communicate effectively at both technical and business levels, with clarity demonstrated through tests and production code.
Contribute to agile practices, design patterns, and the sharing of lessons learned.
Participate in API implementation and design, and manage the defect tracking system while coordinating system updates.
Explore and develop skills in new technologies; participate in daily standups, weekly iterations, and design discussions.

Requirements

5+ years of frontend development experience in a team environment with shipped production code.
Experience supporting releases after code is pushed to customers.
Design or development experience delivering frontend work within an n-tier architecture.
Ability to work effectively in a small team, taking ownership of all aspects of design and development.
Passion for technology, continuous learning, and a curious mindset.
Active in-person participation in an Agile team at our Southern California office location.
Experience with concurrent development using Git and continuous integration with JetBrains TeamCity.
Knowledge of solution design patterns and best practices.
Familiarity with an APM tool to assist with performance tuning and code quality.
Experience debugging production code and handling sensitive data responsibly.
Understanding of how browsers work and how devices impact perceived performance.
Knowledge of the HealthCare Industry is a plus.

Technologies

C#
JavaScript
TypeScript
Vue
.NET ASP MVC
Playwright
JMeter
Git
JetBrains TeamCity

Benefits

401(k)
401(k) matching
Dental insurance
Flexible schedule
Health insurance
Vision insurance

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1mo ago

Senior Embedded Software Engineer

Curtiss-Wright Santa Clarita, CA

Santa Clarita, CA

1mo ago Closed

$109k - $145k/yr Full time Senior Embedded Linux Embedded Software

This position is no longer accepting applications (closed Jul 3, 2026).

Job Description

Curtiss-Wright invites experienced engineers to join an onsite, defense-focused team in Santa Clarita, CA. This Senior Embedded Software Engineer role offers a competitive annual salary of $108,900 - $145,200, a comprehensive benefits package, and the opportunity to contribute across the full software lifecycle—from architecture and development to testing and ongoing support. You will collaborate with hardware teams to bring complex embedded systems to life in a mission-critical environment.

Benefits

401(k) matching
Dental insurance
Employee stock purchase plan
Health insurance
Paid time off
Referral program
Stock options
Tuition reimbursement

Responsibilities

Create, integrate, test, and debug new embedded software components
Support or develop enhancements to existing embedded software
Collaborate with technical staff to diagnose and resolve software issues
Address customer feedback and propose software modifications or enhancements
Develop and maintain technical software documentation, including planning, requirements, design, test, and user manuals
Coordinate with hardware development to resolve hardware bring-up issues
Participate in peer reviews for requirements, design, documentation, or source code, and work with teammates
Apply established software development processes and pursue process-improvement opportunities

Requirements

Bachelor's degree in computer, software, or electrical engineering (or equivalent)
Minimum of four years' experience in embedded software development
Experience leading software development projects preferred
Proficiency with ANSI C and scripting languages such as Python
Experience developing software under Linux and RTOS systems (eg, VxWorks)
Familiarity with regulatory frameworks for software development (e.g., DO178C, MISRA C/C++)
Familiarity with hardware/software integration and lab equipment (oscilloscopes, DMMs, power supplies, etc.)
Ability to read and understand hardware schematics and component datasheets
BSPs and device-driver development under Linux and VxWorks preferred
Familiarity with software cybersecurity tools preferred