Git

Git Developer Jobs

95 jobs found

Today

Sr Software Engineer

Lockheed Martin Corporation Littleton, CO

Littleton, CO

Today

$93k - $164k/yr Full time Senior Agile Angular

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Job Description

Senior Software Engineer on Lockheed Martin Space's Erebus geospatial intelligence program, contributing to geospatial software development within a Scrum team with hands-on Java and/or TypeScript/Angular skills and TS/SCI clearance. This onsite role is based in Littleton, Colorado. The base annual salary ranges from USD 93,200 to 164,450, with final figures depending on location.

Benefits

Medical
Dental
Vision
Life Insurance
Short-Term Disability
Long-Term Disability
401(k) match
Flexible Spending Accounts
Employee Assistance Program
Education Assistance
Parental Leave
Paid time off
Holidays

Culture and Growth

Pioneering defense technology across aerospace, space, and cyberspace, this role offers the chance to collaborate with top minds on mission-critical solutions.

Excellence, integrity, and collaboration drive our work. We value diverse perspectives and fast, thoughtful teamwork to deliver results for our customers.

Grow your career through a broad range of opportunities and technology-driven learning programs designed to expand your capabilities and adaptability.

Your health, wealth, and life are supported by competitive pay, comprehensive benefits, and schedules that help you thrive both at work and beyond.

Use your strengths to contribute meaningfully to colleagues, customers, communities, and the broader mission.

Here, possibilities expand with flexible schedules, multiple career levels, and a nationwide footprint.

Culture and Perks at a Glance

Flexible Schedules, dependent on role
Levels: Student, Entry, Mid, Senior, Management
Locations: Nationwide & CONUS Positions

Responsibilities

Contribute as part of a software development Scrum team, assisting with software requirements verification, development, and operational support.
Apply knowledge of SCRUM processes and System Requirements verification using tools such as Jira and Confluence.

Requirements

Hands-on software engineering skills in Java and/or TypeScript/Angular
US Citizenship
Eligible for government Top Secret security clearance (TS/SCI)
Located at a facility that requires special access
Experience and/or knowledge of SCRUM processes and System Requirements verification (e.g., Jira, Confluence)

Technologies

Java
TypeScript
Angular
Kubernetes
Docker
Git
Jenkins
Puppet
Confluence
Jira
JEE/Spring
RESTful Web Services
SOAP Web Services
JSON
XML

Location, Security, and Schedule

Location: Littleton, CO onsite at a designated Lockheed Martin facility.

Security clearance: TS/SCI; US Citizenship required.

Work arrangement: Onsite Full-time.

Schedule: 9x80 every other Friday off.

Equal Opportunity and Application

Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.

The application window closes in 90 days; candidates are encouraged to apply promptly to be considered for this and similar opportunities.

About the Mission

Pioneering defense technology across aerospace, outer space, and cyber space to deliver mission solutions with a team of exceptional minds.

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Today

Senior Software Engineer / Tech Lead (AI tools/.NET/C#/React)

Trigyn New York, NY

New York, NY

Today

Contract Backend Developer Senior .NET

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Job Description

Trigyn is seeking a Senior Software Engineer who also serves as a Tech Lead to guide AI-assisted development and modernization of public-facing applications built on .NET, C#, and React. Based in New York, NY with a hybrid work setup, this 4-6 month contract role focuses on steering cross-functional teams, shaping architecture, and delivering across web and mobile platforms.

Responsibilities

Lead one or more cross-disciplinary engineering teams, guiding architecture choices, establishing coding standards, and driving successful delivery outcomes.
Translate stakeholder requirements into scalable, maintainable technical solutions.
Direct system design reviews, define technical norms, and promote best practices across the group.
Collaborate with the Senior Manager to prioritize the roadmap, plan resources, and assess technical risks.
Serve as a subject-matter expert and escalation point for complex engineering challenges across the portfolio.
Design, develop, and maintain features across .NET/C#, Java, and React for web and mobile contexts.
Drive modernization of legacy systems by refactoring aging code, boosting performance, and introducing contemporary patterns (REST APIs, microservices, component-based front ends) with AI-assisted workflows.
Build and maintain RESTful APIs and integrate with internal data systems, third-party services, and city agency platforms.
Ensure security, WCAG accessibility, and compliance standards appropriate for a public-sector environment.
Contribute to mobile development efforts for iOS and Android.
Champion AI-assisted development tools to increase team velocity and shorten debt remediation timelines (for example, GitHub Copilot, Cursor, Claude Code, or similar).
Develop and refine internal AI-augmented workflows for code generation, automated testing, documentation, and legacy code analysis.
Evaluate and implement large language model–based capabilities where appropriate (e.g., intelligent search, automated summarization, chatbot interfaces for resident-facing features).
Stay current on AI/ML tooling trends and serve as an internal resource for responsible and effective AI usage in software development.
Mentor mid-level and junior engineers through code reviews, pairing sessions, design discussions, and direct feedback.
Foster a collaborative team culture that values craft, continuous learning, and inclusive problem-solving.

Technologies

.NET
C#
Java
React
RESTful APIs
Microservices
iOS
Android
GitHub Copilot
Cursor
Claude Code

Engagement details

Location: New York, NY
Work arrangement: Hybrid
Job type: Contract
Duration: 4-6 months
Local candidates preferred

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1d ago

Backend Software Engineer

Leidos Alexandria, VA

Alexandria, VA

1d ago

$108k - $195k/yr Full time Backend Developer Python Apache Airflow

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Job Description

The Backend Software Engineer role at Leidos is grounded in designing, building, and maintaining scalable backend services and REST APIs for a high-visibility data analytics application. This onsite position in Alexandria, VA emphasizes Java or Python development within Linux environments and close collaboration with mission stakeholders.

Compensation

Salary: USD 107,900 - 195,050 per year

Responsibilities

Design, implement, test, and maintain backend services using Java or Python.
Develop RESTful APIs to enable core application features and integrations with external systems.
Apply solid object oriented design principles to build scalable, maintainable architectures.
Write and optimize SQL queries to support functionality and performance across databases.
Collaborate with external teams to understand data sources, interfaces, and access patterns, translating requirements into backend integrations.
Participate in technical design discussions and influence backend architecture decisions.
Work within Linux-based environments to develop, deploy, and troubleshoot applications.
Diagnose and resolve issues spanning application and database layers.
Contribute to code reviews and uphold engineering standards and best practices.

Requirements

Bachelor’s degree in Computer Science, Software Engineering, or a related field with 8 to 12 years of experience, or a Master’s degree with 6 to 10 years of experience.
U.S. citizenship required.
Active TS/SCI clearance with the ability to pass a polygraph.
Extensive experience building backend applications in Java or Python.
Proven track record designing and building RESTful APIs for scalable functionality.
Solid SQL experience, including writing and optimizing queries for relational databases.
Comfortable working in Linux-based environments.
Ability to work independently and deliver solutions for moderately to highly complex technical challenges.

Technologies

Java
Python
Spring Boot
Django
PostGIS
Apache Airflow
GitLab
Jenkins
Docker
OpenShift
Kubernetes
AWS
Azure
Linux
SQL

Benefits

Competitive compensation
Health and wellness programs
Income protection
Paid leave
Retirement benefits

Why this role stands out

High impact: Your work supports a widely used application that informs real time decisions.
High visibility: Collaborate directly with engineering teams and mission stakeholders.
Career growth: Deepen expertise in backend architecture, API design, and scalable systems.
Challenging work: Build and optimize complex backend features.

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1d ago

Software Engineer (Senior) - Greenfield Project

WinChoice Mountain Pine, AR

Mountain Pine, AR

1d ago

Full time Backend Developer Senior .NET

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Job Description

Senior Software Engineer position at WinChoice, onsite in Mountain Pine, Arkansas, focusing on a greenfield project with end-to-end responsibility for a scalable software platform and a path to engineering management as the team grows.

Responsibilities

Lead end-to-end delivery of a scalable software platform that aligns with business needs.
Contribute hands-on development across modern technologies and frameworks.
Shape and drive architecture decisions from design through deployment.
Serve as a player-coach, stepping in when needed while staying focused on strategic work.
Conduct code reviews, define testing strategy, guide CI/CD pipelines, and uphold engineering standards.
Establish responsible and effective AI usage guidelines across the team.
Improve team productivity while preserving quality.

Requirements

5–7+ years building cloud-based software or equivalent experience.
Extensive experience with one or more cloud platforms (AWS, GCP, or Azure) and modern backend architectures.
Proficiency in C#, Java, or comparable languages.
Ability to navigate ambiguity and steer technology direction.

Technologies

AWS
GCP
Azure
C#
Java

Benefits

Relocation support available
Autonomy, trust, and influence in decision-making
Opportunity to deliver meaningful solutions rather than just manage delivery
Clear growth trajectory as the company scales toward ambitious goals

Location & Commitment

Full-time, on-site role based near Mountain Pine, Arkansas (Hot Springs area)
Relocation support available

Why Leaders Choose WinChoice

Trust, autonomy, and influence
Opportunity to deliver meaningful impact rather than merely manage delivery
Defined growth path as the company scales toward ambitious goals

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1d ago

Backend Software Engineer

Leidos St. Louis, MO

St. Louis, MO

1d ago

$108k - $195k/yr Full time Backend Developer Python Apache Airflow

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Job Description

Backend Software Engineer roles at Leidos in St. Louis, onsite, blend rigorous backend engineering with mission-critical application needs. In this position, you will design, build, and maintain scalable backend services and RESTful APIs using Java or Python in a Linux environment to support high-visibility data analysis and mission-critical workflows. Leidos, a prominent technology and government-focused innovator, offers a compensation range of USD 107,900 to 195,050 per year and operates worldwide with thousands of engineers delivering secure, impactful solutions.

About Leidos: Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Responsibilities

Backend Development: Design, develop, test, and maintain backend services using Java or Python
REST API Development: Design and implement RESTful services to support application functionality and integrations
Object-Oriented Design: Apply strong object-oriented design principles to build scalable and maintainable systems
Database Development: Write and optimize SQL queries to support application functionality and performance
Data Source Integration Coordination: Coordinate with external teams to understand data sources, interfaces, and access patterns, and translate requirements into backend integrations
System Design Contribution: Participate in technical design discussions and contribute to backend architecture decisions
Linux Environments: Develop, deploy, and troubleshoot applications within Linux-based environments
System Troubleshooting: Diagnose and resolve issues across application and database layers
Code Quality & Best Practices: Participate in code reviews and ensure adherence to engineering standards

Requirements

Bachelor’s degree in Computer Science, Software Engineering, or a related field with 8–12 years of experience; or Master’s degree with 6–10 years of experience
U.S. Citizenship
Active TS/SCI clearance with the ability to successfully pass a Polygraph
Strong professional experience developing backend applications in Java or Python
Proven ability to design and develop RESTful APIs that support scalable application functionality
Solid SQL experience, including writing and optimizing queries across relational databases
Confident working in Linux‑based environments
Ability to work independently and drive solutions to moderately complex and complex technical challenges

Technologies

Java
Python
SQL
Relational databases
Linux
Apache Airflow
PostGIS
Spring Boot
Django
GitLab
Jenkins
Docker
OpenShift
Kubernetes
AWS
Azure

Benefits

Competitive compensation
Health and Wellness programs
Income Protection
Paid Leave
Retirement

Why this role stands out

High Impact: Your services power a widely used application that drives real-time decisions
High Visibility: Collaborate directly with engineering teams and mission stakeholders
Career Growth: Deepen your expertise in backend architecture, API design, and scalable systems
Challenging Work: Build and optimize complex backend features

View full job page →

1d ago

Mid-Level Backend Software Engineer

Leidos Aurora, CO

Aurora, CO

1d ago

$87k - $157k/yr Full time Backend Developer Python Apache Airflow

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Job Description

Leidos is seeking a mid-level backend software engineer to design, build, and maintain the backend services and REST APIs that underpin mission-critical analytics and reporting. This onsite role in Aurora, Colorado focuses on developing robust systems in a Linux environment using Java or Python, with a salary range of USD 87,100 to 157,450 per year. The position blends hands-on development with collaboration across teams to ensure reliable data-driven insights.

Responsibilities

Backend Development: Design, develop, test, and maintain backend application components using Java or Python
REST API Development: Develop and maintain RESTful services to support application functionality and system integrations
Object-Oriented Programming: Apply object-oriented design principles to build scalable and maintainable systems
Database Development: Write and modify SQL queries to support application functionality and data retrieval
Data Source Collaboration: Collaborate with internal and external teams to understand data sources, formats, and access methods, and support integration into backend systems
Linux Environments: Develop and troubleshoot applications within Linux-based environments
Data Processing & Business Logic: Implement backend logic for data transformation, processing, and system workflows
Bug Fixing & Enhancements: Identify, debug, and resolve application-level defects and performance issues
Code Quality: Follow coding standards, participate in code reviews, and support documentation efforts

Requirements

Bachelor’s degree in Computer Science, Software Engineering, or a related field with 4–8 years of experience; or a Master’s degree with 2–6 years of experience
US Citizenship
Active TS/SCI with the ability to successfully pass a Polygraph
Professional experience developing object-oriented applications in Java or Python
Hands-on experience building and maintaining RESTful APIs
Basic to moderate experience with SQL capability, including writing queries and working with relational databases
Working knowledge of Linux-based environments
Ability to work independently on defined tasks within established technical frameworks and deliver reliable results

Technologies

Java
Python
SQL
Linux
Apache Airflow
Spring Boot
Django
GitLab
Jenkins
Docker
OpenShift
AWS
Azure

Benefits

Health and Wellness programs
Income Protection
Paid Leave
Retirement

Why this role stands out

High Impact: Your work supports a widely used application that drives real-time decision-making
High Visibility: Collaborate with engineering teams and mission stakeholders across programs
Career Growth: Build deeper expertise in backend development, API design, and scalable systems
Challenging Work: Contribute to complex backend features, not routine maintenance tasks

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1d ago

Software Test Automation and QA Developer, Senior

Booz Allen Laurel, MD

Laurel, MD

1d ago

$87k - $198k/yr Full time Python Senior Ai Tools

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Job Description

This Senior Software Test Automation and QA Developer role focuses on building test automation, delivering high-quality software, and enabling DevOps driven QA processes to support national security missions.

Responsibilities

Develop test frameworks, automation software, and secure software solutions that enable data transport and Zero Trust capabilities to support customer missions.
From concept to production, build automated tests and high-quality software while maturing development practices toward a DevOps posture.
Provide mentorship to teammates and stay current with tools; apply approved AI solutions to propose and implement DevOps improvements, automate testing, and configure tooling to support secure QA.
Utilize GitLab, ReST, FastAPI and related tools, along with languages such as Python and Java, using VS Code to construct test frameworks and secure software.
Assist modernization and redesign of legacy workflows using AI software tools.
Coordinate with team members and customers in a fast-paced mission environment, leveraging the Atlassian Suite for collaboration.
Assess needs and environments to ensure solutions align with current architecture and operating context, while planning for future functionality and enhancements.

Requirements

4+ years of software development experience using Python on Linux.
3+ years of software testing experience, including automated testing.
Experience with Java, JSON, and VS Code.
Experience with Docker or Podman.
Experience with multiple frameworks or tools such as Git, Pydantic, FastAPI, or ReST.
Experience implementing version control approaches within software pipelines.
TS/SCI clearance with a polygraph.
Bachelor’s degree in computer science or an engineering field and 5+ years of experience with software, database engineering, or software testing, or 10+ years of experience in lieu of a degree.

Technologies

Python
Linux
Java
JSON
VS Code
Docker
Podman
Git
Pydantic
FastAPI
ReST
GitLab
Atlassian Suite

Benefits

Health benefits
Life insurance
Disability benefits
Financial benefits
Retirement benefits
Paid leave
Professional development
Tuition assistance
Work-life programs
Dependent care

You have

4+ years of software development experience using Python on Linux
3+ years of software testing experience, including automated testing
Experience with Java, JSON, and VS Code
Experience with Docker or Podman
Experience with multiple frameworks or tools such as Git, Pydantic, FastAPI, or ReST
Experience implementing version control approaches within software pipelines
TS/SCI clearance with a polygraph
Bachelor’s degree in CS or an Engineering field and 5+ years of experience with software, database engineering, or software testing, or 10+ years of experience with software, database engineering, or software testing in lieu of a degree

NICE IF YOU HAVE

Experience with Playwright
Experience automating software processes with Salt or other automation platforms
Experience leading small technical or software development teams
Experience working with Atlassian Suite and in the Agile lifecycle, including Kanban
Experience with front-end development
Experience with modular design, middleware, or microservices

Clearance

TS/SCI clearance with polygraph is required.

Compensation

Projected compensation range for this position is USD 86,800 to USD 198,000 annually. The posting will close within 90 days from the posting date.

Identity Statement

Identity verification involves biometric and artificial intelligence methods; candidates are expected to be on camera during interviews and assessments, and Booz Allen may capture images to verify identity and prevent fraud.

Candidate AI Usage Policy

AI usage during interviews is prohibited unless explicit permission is provided; Booz Allen prioritizes responsible AI usage and a fair candidate process based on individual skills and knowledge.

Work Model

Remote: Occasional in-person work at a Booz Allen or client facility may be required.
Hybrid: Frequent work from a Booz Allen facility, with possible visits to a client facility.
Onsite: Primarily based at a Booz Allen office or client facility, collaborating with colleagues and customers as needed.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to disability, protected veteran status, or any other status protected by applicable law.