Principal Software Engineer
Software Technology Inc
Principal Software EngineerAs a Principal Software Engineer, you will be guiding software engineering development across several teams, and solving our most challenging technical problems, providing prototypes for our larger engineering team. You will actively contribute to the success of the org by creating a center of excellence for engineering and software architecture. A highly-valued engineer with an org-wide presence. An Engineer with the ability to very quickly learn new languages, new frameworks, and adapt and apply their skills to new technical environments with little to no struggle. Able to drop into complex, chaotic technical challenges and bring order and direction. Likely to not be attached to a single squad, Principal Engineers will float through the organization based on need and build core, repeatable standards that can be applied broadly. Principal Engineers cannot be hired/promoted in to their position unless approved by other principal engineers. Principal Software Engineers will typically have 20+ years of experience.Key AccountabilitiesSupports product teams to understand and resolve critical technical issues in almost any engineering productDemonstrates an expert knowledge of industry best practice in at least one programming language and technology stackDemonstrates extensive knowledge and commercial experience in the usage and implementation of cloud based solutions and products, containerization products, and traditional on-premise server and virtualization solutions.Demonstrates extensive knowledge in networking concepts and infrastructure in both traditional and cloud environmentsCreates complex architectural designs that are able to be understood and implemented by the engineering product teamsBuilds demonstrable prototypes to expedite the validation of proposed products or architecturesGains knowledge in alternative technology areas outside their comfort zoneCoaches and educates software engineers at all levels so they can upskill and become self sufficientParticipates in the prioritization of the Core Engineering team backlogMaintains a thorough understanding of the client technology landscape and is able to work effectively within it to execute the company goalsActively influencer of company wide technology decisionsQualifications and ExperienceResponsible for monitoring technical capabilities across product teams.Actively works inside teams to drive adoption of practices and ways of workingWorks with Core Engineering leadership to priorities work across the Core Engineering landscapePromotes an open culture of continual learning and innovationDemonstrates new findings in technology regularly to the wider engineering communityActively working with multiple software engineering teams to introduce new tooling to align with industry trendsActively working with product teams to become aligned to best practices and standards while remaining autonomousCan effectively communicate an architectural or product vision to any level of the software engineering structure including stakeholdersLeads internal presentations on technical topics, fostering growth in knowledge at clientParticipates in efforts to move all engineering teams to a high performing, self sufficient stateLeads presentations at conference events, representing the technical brand of clientAids Core Engineering leadership with identifying colleagues suitable for promotion to principal engineeringParticipate in the hiring of new senior talent to Core EngineeringParticipate in the hiring of new senior talent to product teamsParticipate in the creation of hiring materials with Core Engineering leadership and Senior Principal EngineersBe a representative for Core Engineering across the organization in organization wide interactionsParticipates at conference events representing the technical brand of clientRequired Skills: 1. 20+ years of experience 2.
- ...The Role Join us in revolutionizing the lending landscape. SoFi is seeking enthusiastic Principal Software Engineers who are ready to lead the technical and strategic evolution of our financial services platform in support of our goals that put our members in control...SuggestedFull timeTemporary workWork experience placement
$131.3k - $237.35k
Leidos has an exciting opportunity for a Principal Software Engineer in our Intel Security Sector's Analysis Solutions Business Area. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and...SuggestedFull timeImmediate startFlexible hours$197.3k - $313.7k
...You’re in the right place! Agentforce is the future of AI, and you are the future of Salesforce.Salesforce is seeking a Principal Software Engineer (PMTS) to join the Agentforce Process Intelligence team, building process mining and optimization capabilities within the...SuggestedLong term contractFull time$131.3k - $237.35k
We are seeking an experienced Principal Software Engineer to join our team in developing the forefront of unmanned and autonomous ship development for the US Government. Based in Arlington, VA, you will be embedded within an Agile Scrum team - designing, building, and testing...SuggestedFull time$131.3k - $237.35k
Leidos has a new and exciting opportunity for a Principal Biometrics Software Engineer in our Intel Security Sector's Analysis Solutions Business Area. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical...SuggestedFull timeImmediate startFlexible hours- Arlington, VirginiaHybridFull Time$180k - $200kAn early-stage AI startup is hiring a Principal Software Engineer to join its team. This is a hybrid opportunity based in Herndon, VA.The company is building the platform enterprises use to deploy, monitor, and optimize AI...
$272k - $431.25k
...of any single GPU, this platform enables efficient, resilient deployment of cutting-edge LLM workloads.We are seeking a Principal Systems Engineer to define the vision and roadmap for memory management of large-scale LLM and storage systems.What you'll be doing:Design...Full timeLocal areaRemote work$94.5k - $171.7k
...There's no room for error. Join us and start doing your life's best work.(sm)Join the Unified Mobile Framework team as a Principal Android Software Engineer where you will add new components, refine existing components, and find new ways to improve the development...Work experience placementRemote workWork from home$200k - $280k
...clearance is REQUIRED. Please do not apply if you currently do not possess this level of clearance.*** Are you a Principal Full Stack Software Engineer who is ready for a new challenge that will launch your career to the next level? Tired of being treated like a company...Full timeContract workRemote workWork from homeRelocation package$118.7k - $194.4k
...Identification 338717Job DescriptionYou'll collaborate across engineering, field, and product teams to prototype, test, and publish new... ...Computer Science, Engineering, or equivalent experience.6+ years in software engineering or cloud development (Python, Go, Java, or similar...Temporary workFlexible hoursShift work$140k - $200k
...scalability, and developer experience. We’re looking for a Principal Engineer with deep expertise in systems programming and database internals... .... About You 10+ years of experience building systems software in C/C++ or Rust (Go experience a plus). Deep knowledge of PostgreSQL...Local areaRemote workHome officeFlexible hours$150k
...Principal Software Engineer at NAVEXAt NAVEX, we're transforming the world—making it safer, more ethical, and ensuring every voice is heard. That's real impact.Our high-performance culture is driven by our values. We move with speed, passion and purpose—as one team. We...$161.5k - $218.5k
...Software Engineer Sr PrincipalGDIT is seeking a Principal Software Engineer to join our team.This challenging and interesting software engineering and development position is a chance to participate in the development and operation of a high-performance big data system...Temporary workImmediate startRemote workWorldwideFlexible hours- ...Principal CNO Software EngineerZetier is seeking Principal CNO Software Engineers to develop operationally critical cyber capabilities. Candidates will demonstrate practical experience designing, developing, and deploying tools intersecting command and control, persistence...
$240k - $300k
...Principal AI Native Software EngineerAt Remitly, we believe everyone deserves the freedom to access, move, and manage their money wherever life... ...borders.About the Role:As a Principal AI Native Software Engineer, you direct AI agents to build products and solutions, rather...Work at officeWorldwideFlexible hours3 days per week- ...Principal Software/Data EngineerWe solve difficult business, IT, and analytic problems by addressing the whole problem – not just the symptoms... ...to every case. We are hiring a Principal Software/Data Engineer to work in Laurel, MD. Position location is subject to change...Local areaWork from homeFlexible hours
- ...Principal Software EngineerApogee Research is at the forefront of a revolution in how the DoD operates: a turn towards compositional systems... ...to years.Apogee Research is looking for Principal Software Engineers to lead the creation of capabilities addressing currently unmet...Full timeFor contractorsWork at officeFlexible hours
$195k - $323k
...Principal Software Development EngineerMastercard powers economies and empowers people in 200+ countries and territories worldwide. Together... ...Services Sector is preferred.• Expertise with Software Engineering Concepts and Methodologies.• Proven track record in selection...Full timePart timeWorldwideFlexible hours- ...Principal Software EngineerDate: Jun 30, 2026 Location: Washington, DC, US, 20001 Philadelphia, PA, US, 19104 Wilmington, DE, US, 19801... ...core Internet technologies and modern full stack software engineering practices. Proficiency in Java, JavaScript, TypeScript, SQL...Hourly payTemporary workWork experience placementFlexible hours
$131.3k - $237.35k
...Description We are seeking an experienced Principal Software Engineer to join our team in developing the forefront of unmanned and autonomous ship development for the US Government. Based in Arlington, VA, you will be embedded within an Agile Scrum team – designing...Local areaImmediate start$144.2k - $288.4k
...Principal Software Development EngineerWe're building a world of health around every individual — shaping a more connected, convenient and... ...passionate, and people-focused Principal Software Development Engineer to join our high-energy, growing team. In this role, you...Hourly payFull timeTemporary workFlexible hours- ...responsible for the experience that sits at the heart of every player’s relationship with us: moving money. We’re looking for a Principal Mobile Engineer to own the frontend technical direction of the Payments & Cashier domain — deposits, withdrawals, payment methods,...Immediate startRemote workFlexible hours
$196k - $294k
...ABOUT THE TEAM ~ We are seeking a Principal Software Engineer to lead architectural and strategic initiatives for our ArsenalOS Forge platform. You'll be pivotal in evolving Forge's capabilities, driving integration and scalability, and maturing its architecture for...Full timeWork experience placementLocal areaRelocation package$200k - $280k
...Principal Software Engineer Opportunity***An active or rein-statable TS/SCI with Polygraph security clearance is REQUIRED. Please do not apply if you currently do not possess this level of clearance.*** Are you a Principal Software Engineer who is ready for a new challenge...Full timeContract workRemote workRelocation package$200k - $280k
...Principal DevOps / Software Engineer Opportunity***An active or rein-statable TS/SCI with Polygraph security clearance is REQUIRED. Please do not apply if you currently do not possess this level of clearance.*** Are you a Principal DevOps / Software Engineer who is ready...Full timeContract workRemote workRelocation package$197.3k - $313.7k
...this vision, we are investing in a unified engineering ecosystem that spans Salesforce applications... ...are seeking a highly motivated, hands-on Principal Member of Technical Staff (PMTS) who brings a rare combination of software engineering, data engineering, and AI expertise...Full time$163.8k - $257.4k
...backs your ambition, you won’t just contribute. You’ll make things happen-fast.About the Role:We are seeking an experienced Principal Software Engineer (Data) to join our fast-paced, collaborative data team. In this role, you will have broad authority to drive the...Worldwide$158.2k - $237.4k
...for the overall delivery process of a software application or service, including design... ...Bachelors of Science degree in the field of Engineering, Math or Science preferred.... ...requires 8-10 years experience. Our Principal Software Engineer (FrontEnd) earn between...Full timeTemporary workLocal area$231k
...and have the flexibility, benefits, and support to do their best work. Join us and build for travelers everywhere. Principal Software Development Engineer Expedia Technology teams partner with our Product teams to create innovative products, services, and tools to...- ...Infrastructure (OCI) is building the next generation of AI native engineering systems powering cloud operations, infrastructure... ...and developer productivity at scale. We are looking for a Principal Software Development Engineer (IC4) who operates as an AI native builder...Full timeFlexible hours
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