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Senior Software Engineer Backend Python

Los Angeles,CA

1076 Senior Software Engineer Backend Python jobs in Los Angeles,CA

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U.S. Army Reserve Logo

U.S. Army Reserve - Los Angeles, CA

25B Information Technology Specialist - Find Success in US Army

Paid Relocation to Los Angeles, CA

OnsiteEducation AssistanceHealth InsurancePaid Time Off
New, Posted 1 day ago
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C/C++ Software Engineer 3 or 4 (AHT)

Northrop Grumman

Los Angeles, CA 90011

Paid Relocation to Los Angeles, CA

OnsiteHealth InsurancePaid Time Off

Primary Level Salary Range: $114,000.00 - $171,000.00
Secondary Level Salary Range: $142,200.00 - $213,400.00
Employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.
Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results.
Employees in Vice President or Director positions may be eligible for Long Term Incentives.
Relocation assistance may be available
Relocation assistance, while not guaranteed, may be available.
Health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.
Full-time
Bachelor's degree in a STEM discipline with 5+ years of revelant experience, or Master's degree in a STEM discipline with 3+ years of experience
Strong professional experience developing software in C/C++ on Windows 10, 11, and Linux (preferably CentOS)
Experience with MIL-STD-1553, TCP/IP, Serial, and Ethernet network communication protocols
Experience in deriving software requirements from system requirements; working with SRSs, ICDs, CDRLs
Current US Government DoW Secret clearance
Bachelor's degree in a STEM discipline and 8+ years of experience or Master's degree in a STEM discipline and 6 years of experience.
U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.
Advanced hands‑on system troubleshooting and determining root‑cause analysis.
Experience working in a Lab environment or production floor.
Experience operating oscilloscopes, power meters, power supplies, signal generators, and spectrum analyzers
Working experience in Atlassian tools such as Jira, Confluence, Bitbucket, etc.
Experience with DOORS and/or EPLM.
Experience working with hardware programmers such as JTAG and ability to set up test equipment to support software development
Experience in other Object Oriented Programming languages like C#
Experience in embedded systems design with preemptive, multitasking real-time operating systems
New, Posted 6 hours ago
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Senior Specialist, Software Engineering

L3Harris Technologies

Cudahy, CA 90201

Bilingual Preferred
New, Posted 2 hours ago
Recommended
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Sr. Principal / Staff Software Developer Lead

Northrop Grumman

Manhattan Beach, CA 90266

Paid Relocation to Manhattan Beach, CA

~ 26 min OnsiteHealth InsurancePaid Time Off

Primary Level Salary Range: $142,200.00 - $213,400.00
Secondary Level Salary Range: $177,000.00 - $265,600.00
Employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.
Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results.
Employees in Vice President or Director positions may be eligible for Long Term Incentives.
Relocation assistance may be available
Health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.
* *Sr. Principal Software Engineer – Level 4:* Bachelor's Degree in Computer Science or closely related STEM (Science, Technology, Engineering or Mathematics) discipline from an accredited university and 8 years of related work experience, or a Master's Degree and 6 years of related work experience, or 4 years of related work experience with a PhD.
* *Staff Software Engineer – Level 5:* Bachelor's Degree in Computer Science or closely related STEM (Science, Technology, Engineering or Mathematics) discipline from an accredited university and 12 years of related work experience, or a Master's Degree and 10 years of related work experience, or 8 years of related work experience with a PhD.
US Citizenship
A *current DoD Secret clearance* (adjudicated within the last 5 years)
Ability to obtain Top Secret and SAP access.
Experience with Agile methodologies and using CI/CD tools and practices (e.g., Bamboo, Jenkins).
Strong software development skills in C# and/or Java, Object-Oriented design, scripts (e.g., YAML, Python, PowerShell, Batch, TypeScript), and Microsoft Windows technologies, with practical use of version control systems (e.g., Git, Bitbucket, CVS).
Ability to obtain and maintain initial Special Access Program (SAP) access via a Program Access Request (PAR).
Ability to obtain and maintain subsequent SAP PARs following commencement of employment to be able to completely support statement of work.
Proficiency in C#, .NET, Windows Presentation Foundation (WPF), and Microsoft Windows–based applications, with experience applying software design patterns.
Experience with microservice development and service communication protocols (gRPC and/or REST), relational databases and SQL, and the Atlassian tool suite (Bitbucket, Jira, Confluence, Crucible/FishEye).
Familiarity with cloud technologies (Azure and/or AWS), containers (Docker and/or Kubernetes), DevOps and Infrastructure-as-Code tools (e.g., Ansible, Terraform, Chef, Puppet), and experience working with requirements in DOORS.
Prior mission planning domain experience (e.g., JMPS Framework, Air Force mission planning).
Active Top-Secret Clearance (adjudicated within the last 5 years); CompTIA Security+ certification; and Agile credentials such as Certified ScrumMaster (CSM) or Professional Scrum Master (PSM).
Current SCI/SAP access
New, Posted 1 day ago
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Software Engineer

Optum

Cypress, CA 90630

$72,800-$130,000/yr
~ 34 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

The salary for this role will range from $72,800 to $130,000 annually based on full-time employment.
Paid Time Off which you start to accrue with your first pay period plus 8 Paid Holidays
Medical Plan options along with participation in a Health Spending Account or a Health Saving account
Dental, Vision, Life& AD&D; Insurance along with Short-term disability and Long-Term Disability coverage
401(k) Savings Plan, Employee Stock Purchase Plan
Education Reimbursement
Employee Discounts
Employee Assistance Program
Employee Referral Bonus Program
Voluntary Benefits (pet insurance, legal insurance, LTC Insurance, etc.)
Equity stock purchase and 401k contribution
Bachelor's degree OR equivalent experience
3+ years of experience in software engineering, including enterprise-class microservices, REST APIs, React JS, API Security and web applications
3+ years of experience programming in at least one high-level language (.NET Core/C#, Python, JavaScript, etc.)
3+ years of hands-on experience building large scale web applications using SPA frameworks like ReactJS
3+ years of experience building and leveraging container-based technologies such as Docker, Kubernetes
3+ years of solid delivery experience in a matrixed environment
3+ years of Agile Based Delivery combined with DevOps experience (CI / CD / CT) and Jenkins/Github Actions
3+ years of experience in designing data model based on requirement
3+ years of experience building native cloud solutions on either Azure (preferred) or AWS
Candidates are required to pass a drug test before beginning employment.
Hands-on experience with public cloud platforms (preferably AWS) and managing infrastructure using IaC tools like Terraform (Serveless Architecture, Cloudwatch(monitoring)
Familiarity with AI/ML frameworks (e.g., TensorFlow, PyTorch) and integrating AI models into applications. (Secondary)
Experience with component-based architecture, preferably React, and building large React applications
Space Payload RF Communications Analysis and Design Engineer (Experienced, Lead, or Senior)

The Boeing Company

El Segundo, CA 90245

Easy Apply
MBSE Systems Engineer

TEKsystems

Redondo Beach, CA 90277

$50-$90/hr
~ 28 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

$50.00 - $90.00/hr.
Medical
Dental & vision
Critical Illness, Accident, and Hospital
401(k) Retirement Plan
Pre-tax and Roth post-tax contributions available
Life Insurance (Voluntary Life & AD&D; for the employee and dependents)
Short and long-term disability
Health Spending Account (HSA)
Transportation benefits
Employee Assistance Program
Time Off/Leave (PTO, Vacation or Sick Leave)
MUST HAVE A TS/SCI
Active TS/SCI Clearance
Bachelor's degree in Systems Engineering, Computer Science, Software Engineering, or related technical discipline
Strong experience in Software Systems Engineering
Experience supporting Ground Systems, Mission Systems, or Command & Control (C2) Systems
MBSE methodologies
SysML
Cameo Systems Modeler
Requirements Engineering
Systems Architecture Development
System-to-subsystem decomposition
System-to-software requirements flow-down
Requirements traceability
Specification development and management
Experience supporting software development teams through architecture and modeling artifacts
Ability to build system models and architectures from scratch rather than simply maintaining existing models
Ground System Architecture
Mission System Development
Software Integration Planning
Digital Engineering Environments
Agile Software Development Programs
Large-scale DoD or Intelligence Community programs
Experience working in MBSE-driven development environments
Ground Systems Engineering
MBSE and Digital Engineering
SysML Modeling
Requirements Decomposition and Traceability
System-to-Software Requirement Flow-down
Specification Creation and Management
Architecture Development
Creation of MBSE Artifacts from Scratch
Sequence Diagrams, Activity Diagrams, BDDs, and IBDs
Support of Software Development Teams Through Modeling Artifacts
Ground Systems
Command & Control (C2)
Mission Systems
Software-Intensive Defense Platforms
Digital Engineering and MBSE-Centric Programs
Software Architecture and Systems Integration
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Senior Associate, Manufacturing Engineer (Chemical Processing)

L3 Harris

Los Angeles, CA 90011

OnsiteBilingual PreferredEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

The salary range for this role in the State of California is $73,000 - $136,000.
Health and disability insurance
401(k) match
Flexible spending accounts
EAP
Education assistance
Parental leave
Paid time off
Company-paid holidays
9/80: Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off
Bachelor's Degree and a minimum of 2 years of prior related manufacturing engineering experience. Graduate Degree or equivalent with 0 to 2 years of prior related manufacturing engineering experience. In lieu of a degree, minimum of 6 years of prior related manufacturing engineering experience.
Pre-employment substance abuse testing and background checks, where permitted by law.
Knowledge of Clean Processing and/or Electroplating
Capable of creating/modifying electronic process instructions (EPI)
A good working knowledge of process specifications and quality requirements
Proficiency with Microsoft Office products (Word, Excel, and PowerPoint)
Experience of electronic systems used internally (Delmia, Windchill, ADMS, etc.)
New, Posted 20 hours ago
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Sr Controls Engineer

Disney Experiences

Pico Rivera, CA 90660

$130,800-$159,800/yr
New, Posted just now
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Sr Manufacturing Engineer, Paint and TPS

Relativity Space

Long Beach, CA 90805

~ 29 min Onsite

Competitive salary and equity
$122,000-$182,000 USD
A generous PTO and sick leave policy
Parental leave
An annual learning and development stipend
Bachelor's degree in aeronautical, mechanical engineering, or other engineering discipline with 4+ years progressive and related work experience
Experience building out workcenters including the selection, acquisition, and activation of capital equipment for scaling manufacturing processes
Strong working experience and expert knowledge of at least 2 of the following processes: adhesive bonding, soft goods manufacturing, coating processes, machining, mechanical fastening and torquing operations, trim and drill operations, composites manufacturing, critical lifting, tool design and fabrication
New product introduction of an aerospace hardware product or process with proven success
Previous experience leading or mentoring engineering teams
Master's degree in engineering or related technical discipline

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89% of jobs ask for a resume

Don't let the perfect job slip away—upload your resume and we'll personalize your results instantly.

New, Posted 20 hours ago
Recommended
Sr Controls Engineer

Disney Experiences

Los Angeles, CA 90079

$130,800-$159,800/yr
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