Lead Mission Software Engineer Jobs

Lead Software Engineer

As a Lead Software Engineer at STR, you will support the design and implementati...

Location

United States , Woburn; Arlington

Salary:

157000.00 - 224000.00 USD / Year

STR

Expiration Date

Until further notice

Requirements

Bachelor’s (or higher) degree in computer science or other software development related field
7+ years of relevant experience
Fluent in one or more modern languages (e.g. Java, Python, Scala, Go, Rust), including object-oriented programming principles
Demonstrated experience writing maintainable, well documented code and APIs
Experience leading multi-disciplinary teams and mentoring junior staff
Specific demonstrated experience in Linux and container-based software (e.g., Docker)
Ability to obtain a Top Secret security clearance, for which U.S citizenship is needed by U.S government

Job Responsibility

Support the design and implementation of flexible software solutions
Collaborate with multi-disciplinary project teams
Provide high-impact solutions for our customers’ most important problems
Support system integration and testing for a mature mission planning solution that is transitioning to an active user community

Fulltime

Lead Software Engineer

As a Lead Software Engineer at STR, you will support the design and implementati...

Location

United States , Arlington; Woburn

Salary:

157000.00 - 224000.00 USD / Year

STR

Expiration Date

Until further notice

Requirements

Bachelor’s (or higher) degree in computer science or other software development related field
7+ years of relevant experience
Fluent in one or more modern languages (e.g. Java, Python, Scala, Go, Rust), including object-oriented programming principles
Demonstrated experience writing maintainable, well documented code and APIs
Experience leading multi-disciplinary teams and mentoring junior staff
Specific demonstrated experience in Linux and container-based software (e.g., Docker)
Ability to obtain a Top Secret security clearance, for which U.S citizenship is needed by U.S government

Job Responsibility

Support the design and implementation of flexible software solutions
Collaborate with multi-disciplinary project teams
Provide high-impact solutions for our customers’ most important problems
Support system integration and testing for a mature mission planning solution that is transitioning to an active user community

Fulltime

Lead Mission Software Engineer

A Mission Software Engineer develops and deploys software essential for a specif...

Location

United States , Arlington; Dayton; Woburn

Salary:

157000.00 - 224000.00 USD / Year

STR

Expiration Date

Until further notice

Requirements

Active Top Secret Security clearance
U.S. citizenship
BS in Computer Science or related technical field with at least 7 years of work experience (MS + 5 years, PhD + 2 years, or equivalent experience considered)
Experience designing, building, testing, debugging, and maintaining a large codebase
Experience with object-oriented programming principles
Experience with service oriented architectures or micro-service architectures
Experience with containerization/orchestration tools such as Docker and Kubernetes
Experience with Agile software lifecycle methodologies and tools, such as JIRA and SonarQube
Experience with DevOps or CI/CD tools such as Gitlab
Experience with test-driven development methodologies

Job Responsibility

Develop new software components for a key operational capability
Conduct software integration and test activities in supporting a small integrated development team
Perform integration testing to ensure seamless interaction between different system components
Deployment and Field Testing: Traveling to integration sites to build, test, and deploy software in real-world, operational environments (CONUS)
Triage and Debugging: Identifying and resolving software and system failures during integration
Participate in test planning & test events, requirements reviews, code reviews, and architecture/software implementation reviews to improve code quality and maintainability
Develop and maintain automated test scripts and test frameworks for Java applications

Fulltime

Manager, Software Engineering - Creation Engine

The Client Testing, Observability, and Performance (CTOP) team’s mission is to m...

Location

United States , San Francisco; New York

Salary:

250000.00 - 350000.00 USD / Year

Figma

Expiration Date

Until further notice

Requirements

4+ years of engineering management experience leading high-output, high-performing teams
4+ years as a hands-on engineer
Proven leadership in building, mentoring, and motivating senior engineers
Deeply passionate about the testing, observability, and tooling space
Demonstrated success delivering scalable, high-quality work and driving cross-functional initiatives in fast-paced, ambiguous environments
Empathetic leader with strong organizational and execution skills

Job Responsibility

Manage and support a team of experienced engineers to deliver best-in-class testing and observability frameworks for Figma client developers
Partner with product, data science, and engineering leadership to set strategy, priorities and mission for teams and projects
Roll up your sleeves as needed to get involved in the technical details and operational strategy
Engage on broader company programs to up-level the team’s work on performance & quality
Build and support a culture of doing great work together for our engineering team by investing in team culture, mentorship, and meaningful work
Grow your career in a collaborative and creative engineering community

What we offer

Equity
Health, dental & vision
Retirement with company contribution
Parental leave & reproductive or family planning support
Mental health & wellness benefits
Generous PTO
Company recharge days
Learning & development stipend
Work from home stipend
Cell phone reimbursement

Fulltime

Engineering Lead

Encord is building the AI infrastructure of the future. We are a talented and am...

Location

United Kingdom , London

Salary:

Not provided

Encord

Expiration Date

Until further notice

Requirements

5+ years of experience in software engineering
at least 2 years of experience leading a team of engineers
strong technical background in computer science or a related field
experience building and scaling complex software systems
experience leading a fast-moving, high-performing engineering team
proven ability to recruit and develop technically excellent engineers
passion for building products that are loved by their users
excellent communication and collaboration skills

Job Responsibility

Lead and manage a squad of 4-5 engineers, building our core product
collaborate with the cofounders, product managers, and senior engineers to define the product roadmap and ensure it aligns with the company's mission and goals
drive speedy delivery of high quality features and guide your team towards engineering best practices, including in code reviews, testing, and writing useful documentation
foster a culture of innovation, collaboration, and ownership within the engineering team
recruit, interview, hire, and onboard world-class engineers
mentor and coach individual engineers to help them grow and develop their skills

What we offer

Competitive salary, commission and equity in a hyper growth business
strong in-person culture: most of our team is in the office 3+ days a week
room to grow into anything you choose to
25 days annual leave a year + public holidays

Fulltime

Senior Software Engineer

Join our Liquidity Engineering team to help shape the future of decentralized fi...

Location

Salary:

Not provided

0x

Expiration Date

Until further notice

Requirements

5+ years of professional software engineering experience, including 2+ years in DeFi
In-depth knowledge of design and mechanics of leading AMMs (constant product, concentrated liquidity, stable-swap, orderbook, etc.)
Comfortable coding in Rust
Basic working knowledge of Solidity
Proven ability to design systems with input from multiple stakeholders, balancing technical, product, and operational trade-offs
Experience modifying existing production codebases and shipping those changes without impact to system uptime
Experience implementing systems with high performance/latency demands
Self-driven and effective in a fully remote environment
Knowledge and passion for decentralized finance and the 0x mission
Exhibit our core values: do the right thing, consistently ship, and focus on long-term impact

Job Responsibility

Find and integrate AMMs into our existing routers for both SVM and EVM environments to maximize price competitiveness, token coverage and execution quality of our trading APIs
Build tools to automatically analyze DEX liquidity across 20+ chains
Identify and act on price improvement opportunities using data-driven insights and protocol knowledge
Balance speed and pricing to achieve the right outcomes for the business
maximize win rates within meta-aggregators, wallets, and the broader competitive landscape
Continuously monitor, troubleshoot, and improve our liquidity integrations to maintain top-tier performance
Stay ahead of trends in DEX design, evaluating and onboarding high-value opportunities
Accurately predict and prioritize which new DEXes will have the greatest impact on price competitiveness

What we offer

Comprehensive insurance (medical/dental/vision/life/disability) for U.S.-based employees — 100% of base plan covered for you and dependents
401k and FSA for U.S.-based employees
Monthly mobile phone bill, wellness, and pre-tax transportation expense
Covered mental health benefits (included professional therapy sessions)
A supportive remote environment
Lunch reimbursement for all employees across the globe
Stipend for your ideal remote / WFH set-up: headphones, and any other work gear you may need
12-week paid parental leave
Great office conveniently located in the SF Financial District for those in the region
Flexible vacation: Take time when you need it (and we really mean it)

Fulltime

New

Senior Mission Operations Team Lead

The FALSTAFF contract provides SETA (Systems Engineering Technical Advisor) & SE...

Location

United States , Springfield

Salary:

Not provided

Arcfield

Expiration Date

Until further notice

Requirements

Relevant Experience: 12 to 15 years with BS, 10 to 13 years with MS, 10+ years with PhD
Must possess and be able to maintain a TS/SCI with Poly
Technical BS in Engineering, Computer Science or related technical degree. 5 years of relevant experience in supporting mission operations, systems engineering or software development/acquisition programs can be substituted for the degree requirement
5 years of mission operations support
Technical team leadership experience
The ability to work well within a team of engineers
Demonstrated success in working with government customers

Job Responsibility

Lead FALSTAFF's technical support to the customer's mission operations staff
Lead a dedicated team of SETA staff focused on all aspects of operations including supporting normal day to day activities and ongoing projects, bringing in new capabilities and successfully integrating them into operations, and facilitating response to anomalous activities and return to operations
Maintain subject matter expert (SME) level knowledge of the operations segment architecture, interfaces, and capabilities
Primary interface between FALSTAFF team and other development contracts supporting the mission
Maintain awareness of user needs, conops and requirements
Lead SETA MO team collaboration, task management, prioritization and assignments
Lead SETA collaboration across the FALSTAFF contract with mission operations focus
Facilitate MO SETA weekly team meetings to review project status and support needs
Lead MO feature planning and development for periodic build prioritization planning functions
Provide draft recommendation briefings on any number of topics in support of the customer

Fulltime

Principal Engineer, Software - Android

At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees ...

Location

United States , Bellevue; Denver; Overland Park; Frisco

Salary:

133500.00 - 240700.00 USD / Year

T-Mobile

Expiration Date

Until further notice

Requirements

7+ years technical engineering experience
Experience in mobile software development using Kotlin, Jetpack Compose or Android SDK
Developing sophisticated Android mobile applications
Experience building a scalable customer facing application used by millions of customers
Provide on-call and in-person support for troubleshooting, isolation, maintenance, operations, patching, incident management, problem management, build and deployments for owned software and systems
Hands on experience in developing mobile networking, REST web-services, understanding large and complex code bases that involves mobile, backend and external SDK integration
Designing mobile application using VIPER, Factory, DAO, MVVM, MVC, Delegate, Builder, Adapter, Singleton and Facade design patterns and architecture
Experience in API design, SDK architecture, and mobile software lifecycle development practices
BS degree in Computer Science, Information Technology, or equivalent experience
Communication

Job Responsibility

Drives projects with the Product, UX/UI and Backend teams to design, build and extend consumer facing new products, platforms, and features
Improve product quality through code reviews, writing effective unit tests
Ability to digest feature requirements and high-level end to end design to guide in coding approach and work breakdown
Ability to produce a low-level design document to detail feature implementation
Presents project improvement scenarios to management for consideration
Lead development team in building native functionality with optimization and expansion to support T-Mobile’s Digital First mission
Present highly technical concepts to both technical and non-technical decision-makers
Continuously learns, builds content, and guides others specific subject areas
Informally coaches and gives to the development of others through mentoring or in house workshops and learning sessions
Develops engineers across functional teams on technology decisions

What we offer

Competitive base salary and compensation package
Annual stock grant
Employee stock purchase plan
401(k)
Access to free, year-round money coaches
Medical, dental and vision insurance
Flexible spending account
Paid time off
Up to 12 paid holidays
Paid parental and family leave

Fulltime

Lead Mission Software Engineer

STR

Location:
United States, Woburn ▼
Dayton
Arlington

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
December 12, 2025

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Lead Mission Software Engineer

STR

Location:United States, Woburn ▼DaytonArlington

Category:IT - Software Development

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Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:December 12, 2025

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Job Posted:
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