Jobs in United States

Senior Software Development Engineer L3 in United States

1,941 active opportunities · Updated October 2026

Explore current senior software development engineer l3 jobs across United States. Filter by work mode, employment type, experience, department, date posted and distance.

S
📍 New York City, New York, United States· Full-time
✓ High-confidence listingCompany trend -81%

From $175K/yr

Quick readStrong listing-quality and freshness signals

Synthesia is the world’s leading AI video platform for business, used by over 90% of the Fortune 100. Founded in 2017, the company is headquartered in London, with offices and teams across Europe and the US. As AI continues to shape the way we live and work, Synthesia develops products to enhance visual communication and enterprise skill development, helping people work better and stay at the center of successful organizations. Following our recent Series E funding round, where we raised $200 million, our valuation stands at $4 billion. Our total funding exceeds $530 million from premier investors including Accel, NVentures (Nvidia's VC arm), Kleiner Perkins, GV, and Evantic Capital, alongside the founders and operators of Stripe, Datadog, Miro, and Webflow. As a Senior Commercial Counsel at Synthesia, you will work closely with our Sales, Marketing, Finance, Business Operations, and Go-To-Market organizations. Our team is a network of knowledgeable and supportive professionals who work as a unit, bringing bold ideas to the table and providing collaborative problem-solving. This role will report to the Director, Commercial Legal (NYC-based, overseeing commercial legal work for the Americas), and be responsible for various legal-related matters and projects involved with supporting the teams that sell and build our products. Responsibilities include: Drafting, reviewing, and negotiating a variety of commercial agreements to support sales, partnerships, and our purchase of software and services from vendors. Your primary focus will be on our service agreements, software licenses, data processing agreements, and NDAs for our prospective customers. We’ll ask you to draw from the experience you’ve gained from supporting hundreds or thousands of commercial transactions to help define business terms and structure deals in an optimal way; Advising on a variety of areas ranging from intellectual property, data privacy, data security, software licensing agreements, and go-to-

AWSRestAIGo
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📍 United States· Full-time· Remote
✓ High-confidence listingCompany trend -100%

From $86.4K/yr

Quick readStrong listing-quality and freshness signals

GitLab is the intelligent orchestration platform for DevSecOps. GitLab enables organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. More than 50 million registered users and more than 50% of the Fortune 100* trust GitLab to ship better, more secure software faster. The same principles built into our products are reflected in how our team works: we embrace AI as a core productivity multiplier, with all team members expected to incorporate AI into their daily workflows to drive efficiency, innovation, and impact. GitLab is where careers accelerate, innovation flourishes, and every voice is valued. Our high-performance culture is driven by our values and continuous knowledge exchange, enabling our team members to reach their full potential while collaborating with industry leaders to solve complex problems. Co-create the future with us as we build technology that transforms how the world develops software. * Fortune 500® is a registered trademark of Fortune Media IP Limited, used under license. Claim based on GitLab data. Fortune 100 refers to the top 20% ranked companies in the 2025 Fortune 500 list, published in June 2025. Fortune and Fortune Media IP Limited are not affiliated with, and do not endorse products or services of GitLab. An overview of this role As a Senior Internal Auditor reporting to the Senior Manager, Technology Internal Audit, you’ll help GitLab assess risk and strengthen controls across a technology landscape that includes multi-cloud infrastructure, artificial intelligence and machine learning systems, and modern development practices. This USA-based role supports our Sarbanes-Oxley Act (SOX) program while partnering with Engineering, IT Operations, Security, and business teams to build controls that work in practice, not just on paper. You’ll execute technology audits, turn findings into practical improvements, and use data analytics, au

GitRestAgileMachine Learning
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📍 United States· Full-time· Remote
✓ High-confidence listingCompany trend -100%

From $104K/yr

Quick readStrong listing-quality and freshness signals

GitLab is the intelligent orchestration platform for DevSecOps. GitLab enables organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. More than 50 million registered users and more than 50% of the Fortune 100* trust GitLab to ship better, more secure software faster. The same principles built into our products are reflected in how our team works: we embrace AI as a core productivity multiplier, with all team members expected to incorporate AI into their daily workflows to drive efficiency, innovation, and impact. GitLab is where careers accelerate, innovation flourishes, and every voice is valued. Our high-performance culture is driven by our values and continuous knowledge exchange, enabling our team members to reach their full potential while collaborating with industry leaders to solve complex problems. Co-create the future with us as we build technology that transforms how the world develops software. * Fortune 500® is a registered trademark of Fortune Media IP Limited, used under license. Claim based on GitLab data. Fortune 100 refers to the top 20% ranked companies in the 2025 Fortune 500 list, published in June 2025. Fortune and Fortune Media IP Limited are not affiliated with, and do not endorse products or services of GitLab. AN OVERVIEW OF THIS ROLE Talent Acquisition at GitLab is evolving and you'll be at the center of it. As a Senior TA Operations Specialist, you own the full technology infrastructure that powers how GitLab recruits at scale. That means everything from ATS configuration and integrations to AI agent development and automation — you're the technical authority across the entire TA tech stack. This isn't a 'run the tools' role. You'll architect intelligent workflows, maintain the systems recruiters depend on every day, and build the AI layer that makes those systems smarter over time. You'll serve as the lead TA AI liaison,

GitRestAIGo
P
📍 Connecticut, United States
✓ High-confidence listingCompany trend +671.4%

$93.6K – $156K/yr

Quick readStrong listing-quality and freshness signals

ROLE SUMMARY We are seeking a highly motivated individual to join our high content imaging lab within the Discovery Biology and Pharmacology (DBP) group at the vibrant Groton campus in Connecticut. DBP is responsible for hit-identification, lead optimization, and molecular characterization of our small molecules and has teams focused on high-throughput screening, DNA-encoded libraries, pharmacology, protein homeostasis platforms, cellular models, functional genomics, and high-content imaging. The group is highly integrated with other groups in Medicine Design including Chemists, Structural Biologists, and Computational Scientists, and supports the small molecule portfolio across multiple therapeutic areas. The individual in this role will bring in rich experience in high content imaging and high throughput flow cytometry, and apply them to support our diverse small molecule portfolio spanning various therapeutic areas. ROLE RESPONSIBILITIES High-content imaging assay design, development, and optimization: Apply a broad range of imaging and flow cytometry assay technologies to address project needs. Independently develop, optimize, and troubleshoot high-content imaging and flow cytometry assays. Imaging data analysis and interpretation: Design and implement advanced image-analysis workflows, build complex analysis algorithms, and streamline data processing to support medium- to high-throughput screening. Translate imaging data into clear, actionable biological insights. Imaging infrastructure management and continuous improvement: Partner with team experts to support high-content imaging and flow cytometry instrumentation, implement software solutions that enable advanced imaging applications and data analysis, and continuously improve ima

AIRecruitment
D
📍 United States· Full-time
✓ High-confidence listingCompany trend -93.7%

$186.6K – $230.5K/yr

Quick readStrong listing-quality and freshness signals

Drata is building the trust layer between great companies - automating compliance, managing risk, and helping organizations prove trust continuously as they scale. We're Dratanauts: a global crew of 600+ professionals united by a culture that rewards integrity, ownership, and raising the bar, no matter where in the world we're working from. Why Join the Drata Team? At Drata, you're not maintaining legacy compliance software - you're building the agentic AI platform defining what trust looks like for the next generation of companies. Here's what makes the work itself worth showing up for: Problems without a playbook: You'll work at the edge of AI and security, building agentic governance, continuous compliance, and real-time trust verification to solve problems that don't have an established answer yet. You're writing it as you go. Real ownership, not just process: Our values center on owning outcomes and raising the bar, not checking boxes. You're expected to have opinions and back them. A seat at the table: Your perspective is unique and valued. Open debate and diverse viewpoints are built into how decisions actually get made here, at every level. Growth at rocketship speed: Drata is scaling fast, which means scope grows fast too. High performers get more ownership, visibility, and experience. A crew, not just coworkers: Dratanauts consistently describe a "come as you are" culture with sharp, curious people—the kind of team that makes hard problems genuinely fun to solve. See what they say here and follow us on LinkedIn for company news, employee stories, and career updates. Job Summary: We are looking for a Senior Business Development Lead, Cloud Service Providers to join the Drata team. This is a senior individual contributor role responsible for leading and expanding Drata's strategic partnerships across major cloud providers, including AWS. As the primary owner of our CSP partner strategy, you will shape how Drata co-sells, co-markets, and integrates within the

AWSAzureGCPRest
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📍 United States· Full-time
✓ High-confidence listingCompany trend -90%
Quick readStrong listing-quality and freshness signals

At Vanta, our mission is to help businesses earn and prove trust. We believe that security should be monitored and verified continuously, and we empower companies to practice better security and prove it with ease. Vanta has a kind and talented team, and while some have prior security experience, many have been successful at Vanta without it. We're scaling our Sales team with customer-focused Account Executives who will take ownership of their entire sales cycle, help to build our sales motion as we move up market, and distinguish Vanta as best-in-class to prospects in a burgeoning competitive landscape. Vanta is growing quickly, we're profitable, and we're continually outpacing our growth targets while maintaining very strong NPS scores. Our Sales team is leading the charge in exceeding our revenue goals and growing our market share as the industry leader in compliance and security. If this sounds like you, and you're excited to join a growing sales team, we'd love to hear from you. What you’ll do as an AE at Vanta: Identify high-potential business verticals to develop and execute outbound strategies to engage them with Vanta Turn our inbound demand into closed-new business and happy Vanta customers Manage our sales pipeline, improving and maturing our sales process and playbook Define and communicate the specific benefits of Vanta appropriate for each customer, including making sales materials and demos Collect insights from prospects for our product development process How to be successful in this role: Have had a full-cycle closing and quota-carrying role 4+ years, while consistently exceeding monthly and quarterly sales targets Have experience self sourcing pipeline by hunting/cold calling into SMB/Mid-Market prospects Be experienced in B2B SaaS, preferably in SMB and Mid-Market Be highly empathetic to customers, with a proven track record of long-term customer retention Possess the technical competency to understand Vanta’s software and build great relationshi

RestAIGoRust
B
📍 Seattle, Washington, United States· Full-time
✓ High-confidence listing

From $144.6K/yr

Quick readStrong listing-quality and freshness signals

Why join us Brex is the intelligent finance platform that enables companies to spend smarter and move faster in more than 200 markets. By combining global corporate cards and banking with intuitive spend management, bill pay, and travel software, Brex enables founders and finance teams to accelerate operations, gain real-time visibility, and control spend effortlessly. Brex’s AI-native automation and world-class service eliminate manual expense and accounting tasks for customers so they can focus on what matters most. Tens of thousands of the world's best companies run on Brex, including DoorDash, Coinbase, Robinhood, Zoom, Plaid, Reddit, and SeatGeek. Working at Brex allows you to push your limits, challenge the status quo, and collaborate with some of the brightest minds in the industry. We’re committed to building a diverse team and inclusive culture and believe your potential should only be limited by how big you can dream. We make this a reality by empowering you with the tools, resources, and support you need to grow your career. People at Brex The People team builds and sustains the culture that powers Brex. We focus on talent, growth, and the employee experience — creating an environment where high-agency individuals can thrive. From hiring to development, we design systems that grow with scale and challenge people to reach their potential. It’s a team for builders, coaches, and culture-shapers. What you’ll do As a People Business Partner, you'll act as a trusted advisor and coach to senior GTM leaders and managers, helping them navigate org design, workforce planning, and change management while driving a culture of high performance. In this role, you'll also partner closely with Employee Relations, Compensation, and People Operations, and lead org design conversations that keep GTM's structure aligned with business strategy as it grows. This role is designed for someone who thrives operating at the intersection of strategic advisory and hands-on execution,

AIGoRustAccounting
B
📍 San Francisco, California, United States· Full-time
✓ High-confidence listing

From $144.6K/yr

Quick readStrong listing-quality and freshness signals

Why join us Brex is the intelligent finance platform that enables companies to spend smarter and move faster in more than 200 markets. By combining global corporate cards and banking with intuitive spend management, bill pay, and travel software, Brex enables founders and finance teams to accelerate operations, gain real-time visibility, and control spend effortlessly. Brex’s AI-native automation and world-class service eliminate manual expense and accounting tasks for customers so they can focus on what matters most. Tens of thousands of the world's best companies run on Brex, including DoorDash, Coinbase, Robinhood, Zoom, Plaid, Reddit, and SeatGeek. Working at Brex allows you to push your limits, challenge the status quo, and collaborate with some of the brightest minds in the industry. We’re committed to building a diverse team and inclusive culture and believe your potential should only be limited by how big you can dream. We make this a reality by empowering you with the tools, resources, and support you need to grow your career. People at Brex The People team builds and sustains the culture that powers Brex. We focus on talent, growth, and the employee experience — creating an environment where high-agency individuals can thrive. From hiring to development, we design systems that grow with scale and challenge people to reach their potential. It’s a team for builders, coaches, and culture-shapers. What you’ll do As a People Business Partner, you'll act as a trusted advisor and coach to senior GTM leaders and managers, helping them navigate org design, workforce planning, and change management while driving a culture of high performance. In this role, you'll also partner closely with Employee Relations, Compensation, and People Operations, and lead org design conversations that keep GTM's structure aligned with business strategy as it grows. This role is designed for someone who thrives operating at the intersection of strategic advisory and hands-on execution,

AIGoRustAccounting
B
📍 New York, New York, United States· Full-time
✓ High-confidence listing

From $144.6K/yr

Quick readStrong listing-quality and freshness signals

Why join us Brex is the intelligent finance platform that enables companies to spend smarter and move faster in more than 200 markets. By combining global corporate cards and banking with intuitive spend management, bill pay, and travel software, Brex enables founders and finance teams to accelerate operations, gain real-time visibility, and control spend effortlessly. Brex’s AI-native automation and world-class service eliminate manual expense and accounting tasks for customers so they can focus on what matters most. Tens of thousands of the world's best companies run on Brex, including DoorDash, Coinbase, Robinhood, Zoom, Plaid, Reddit, and SeatGeek. Working at Brex allows you to push your limits, challenge the status quo, and collaborate with some of the brightest minds in the industry. We’re committed to building a diverse team and inclusive culture and believe your potential should only be limited by how big you can dream. We make this a reality by empowering you with the tools, resources, and support you need to grow your career. People at Brex The People team builds and sustains the culture that powers Brex. We focus on talent, growth, and the employee experience — creating an environment where high-agency individuals can thrive. From hiring to development, we design systems that grow with scale and challenge people to reach their potential. It’s a team for builders, coaches, and culture-shapers. What you’ll do As a People Business Partner, you'll act as a trusted advisor and coach to senior GTM leaders and managers, helping them navigate org design, workforce planning, and change management while driving a culture of high performance. In this role, you'll also partner closely with Employee Relations, Compensation, and People Operations, and lead org design conversations that keep GTM's structure aligned with business strategy as it grows. This role is designed for someone who thrives operating at the intersection of strategic advisory and hands-on execution,

AIGoRustAccounting
OS
📍 Aliso Viejo, United States· Full-time· Remote
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

About OfficeSpace: OfficeSpace Software provides the leading AI operating system for the built world, that helps teams plan, connect, and perform in the workplace. As a performance-based, PE-backed company, we hire based on merit and a willingness to do what it takes to succeed long-term. You’re a great fit for the role if you’re entrepreneurial, passionate, motivated by building at light speed, and an Agentic AI early adopter. Our world-class teams operate in the US, Canada, and Costa Rica in a culture of trust, respect, growth, and impact. Role Summary: You win new logos. Full stop. As a Enterprise Account Executive, you own the end-to-end motion of bringing new customers into OfficeSpace. You run disciplined, value-led sales cycles with senior decision-makers and use AI-powered tools to prospect smarter, sell faster, and close with confidence. We give you a market-leading platform. You turn it into revenue. What You’ll Do: Own new-logo acquisition across a defined Enterprise territory—build pipeline, run deals, and close. Lead buyer-driven, value-based sales cycles with C-level, VP, and Director stakeholders. Orchestrate AI-assisted prospecting to identify high-intent accounts and create net-new opportunities. Translate workplace, facilities, and real estate challenges into clear, quantifiable business value. Deliver sharp, compelling product demos that connect OfficeSpace capabilities to real-world outcomes. Guide AI-generated proposals, pricing models, and forecasts—ensuring accuracy, clarity, and impact. Negotiate contracts and commercial terms with confidence and discipline. Maintain rigorous pipeline hygiene and forecasting using Salesforce and revenue intelligence tools. Partner with Marketing and Business Development to accelerate deal velocity and improve win rates. Share frontline market feedba

AgileAIGoRust
C
📍 Tampa Florida United States, United States
✓ High-confidence listingCompany trend +800%
Quick readStrong listing-quality and freshness signals

The Engineering Lead Analyst – SonarQube & Code Quality Engineering is a senior-level engineering role responsible for leading static code analysis, automated code quality governance, security vulnerability remediation, and AI-augmented developer enablement across enterprise software delivery pipelines. In this role, you will champion software reliability, maintainability, clean-coding standards, and automated quality gates. You will partner with development teams, system architects, and platform engineering to integrate and manage enterprise-scale code quality platforms (such as SonarQube) both on-premises and in cloud/SaaS environments. Additionally, you will drive modern engineering practices by embedding Behavior-Driven Development (BDD) within your own software delivery and leveraging Agentic AI workers and Model Context Protocol (MCP) architectures to optimize developer experience, streamline code governance, and boost engineering velocity. Key Responsibilities 1. Code Quality & Static Analysis Platform Ownership Lead the architecture, deployment, administration, and continuous enhancement of enterprise Static Application Security Testing (SAST) and Code Quality platforms (e.g., SonarQube , DeepSource, Codacy, Semgrep). Configure, calibrate, and enforce automated Quality Gates, code rulesets, technical debt calculation models, and code-coverage baselines across multi-language enterprise repositories. Oversee version upgrades, patching, high availability, and operational maintenance for on-premises and SaaS/cloud-hosted code quality infrastructure. 2. CI/CD & Pipeline Integration <li style=

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📍 San Francisco, California, United States· Full-time
✓ Quality checkedCompany trend -82%

About the Team We are a small and fast-moving partnerships team that shapes and executes OpenAI’s most important collaborations. Your mission is to build and lead our business with independent software vendors, from native AI companies building in our programs to technology companies taking new products to market with OpenAI’s models and products. You will help partners build, launch, and grow differentiated products while working closely with our sales and product organizations. About the Role You are a senior partnerships leader with strong judgment, high ownership, and a track record of building consequential ISV relationships. You can establish durable executive partnerships, lead complex product and commercial negotiations, and move fluently from market strategy to integration, launch, adoption, and growth. You are highly commercial, technically fluent, and comfortable operating where there is no playbook. In this role, you will: Define OpenAI’s ISV partnership strategy, priorities, segmentation, and business goals. Recruit and manage a portfolio of high-impact software partners across horizontal and vertical applications. Structure and negotiate partnerships spanning product integration, model adoption, commercial terms, distribution, and joint go-to-market. Develop joint business plans and executive governance with strategic partners. Help partners move from initial build to launch, customer adoption, expansion, and scaled consumption. Create repeatable co-build, co-sell, co-market, and marketplace motions. Serve as the voice of ISVs internally, shaping product requirements, developer experience, economics, and partner programs. Track partner pipeline, launches, adoption, consumption, customer impact, and ecosystem growth. Establish the team structure and operating model needed to scale the ISV business. You might thrive in this role if you have: 12+ years of experience in technology partnerships, business development, platform ecosystems, or enterprise softw

AWSRestAIGo
H
📍 California, United States of America, United States
✓ High-confidence listingCompany trend +103.7%
Quick readStrong listing-quality and freshness signals

Business Strategy Principal – HP Solutions Strategy – SW Description - The Opportunity Join HP’s high-impact, high-visibility HP Solutions Strategy team and help shape the future of HP Solutions across software, services, AI-enabled solutions, and emerging growth areas. This team partners closely with senior HPS leaders to define long-term direction, medium-term strategic priorities, and near-term business choices that influence portfolio strategy, planning, investment priorities, and growth opportunities. This is an exciting opportunity for a highly analytical, results-oriented strategy leader who thrives in ambiguity, enjoys solving complex business problems, and wants to make a visible impact at scale. In this role, you will help translate market, customer, technology, competitive, and financial insights into clear strategic choices—especially across software, services, vertical solutions, AI-enabled offerings, and go-to-market models. You will work across executive leaders, GBU teams, product, sales, marketing, finance, category, and cross-functional partners to develop insight-driven recommendations grounded in rigorous analysis and compelling strategic narratives. The role combines strategic problem solving with portfolio and GTM rigor, business case development, pricing and packaging support, and executive-ready deliverables for high-priority leadership discussions. If you are energized by strategic problem solving, cross-functional collaboration, and building what is next for HP Solutions, we would love to hear from you. Responsibilities Develop strategic analyses and insights that inform HP’s software, services, and solutions portfolio strategy, including market trends, customer needs, competitive dynamics, portfolio maturity, and growth op

AIProject ManagementFinance
A
📍 United States
✓ Quality checkedCompany trend +365.2%

Abbott is a global healthcare leader that helps people live more fully at all stages of life. Our portfolio of life-changing technologies spans the spectrum of healthcare, with leading businesses and products in diagnostics, medical devices, nutritionals and branded generic medicines. Our 122,000 colleagues serve people in more than 160 countries. JOB DESCRIPTION: Position Overview The Product Development and Automation Senior Scientist provides services of a technical nature to support the development, implementation, and maintenance of automation, IT, and software systems used in the clinical laboratory. The Product Development and Automation Senior Scientist will perform moderate and highly complex analytical processes to support feasibility and validation studies. This includes wet lab testing for feasibility, verification and validation of lab automation, workflow, and software. This role will also be responsible for performing user acceptance testing (UAT), and validation of Laboratory information system (LIS) system changes and upgrades. This role will collaborate with end users and LIS developers to address needed improvements to current modules, design requirements for new test systems, validation, and implementation of the changes. Once resources are identified, can get a project off the ground and running with minimal support from management. Can make new processes, systems, validation methods or projects successful. Essential Duties Include, but are not limited to, the following: Assist in UAT testing Edit and review controlled documents within the laboratory document control system to support changes or implementation of software and process changes. Contributes ideas and insights to new technologies, testing methodologies, applications, techniques or procedures that are creative and practical. Provides input

M
📍 United States· Full-time
✓ Quality checkedCompany trend -100%

What you’ll do Own and evolve the Quality Management System (QMS) to support a regulated medical device development program, including design controls and DHF maintenance. Establish and enforce requirements traceability: user needs → design requirements → verification/validation artifacts and change control. Define and run the program-level V&V strategy (verification, validation, and test coverage), including test plans, protocols, reports, and acceptance criteria. Drive risk management activities (e.g., DFMEA / PFMEA, hazard analyses) and ensure mitigations are reflected in requirements and verification. Lead document control: reviews, approvals, training, retention, and audit readiness. Partner with engineering to make quality “native” to the dev workflow (automated testing, release gates, software configuration management). Prepare the program for audits and inspections, including hands-on audit leadership. What we’re looking for Senior experience leading quality for complex hardware + software products in a regulated environment. Deep familiarity with design controls, DHF, document control, risk management, and verification planning. Strong systems thinking and the ability to translate ambiguous product intent into testable requirements. Comfortable collaborating directly with multidisciplinary engineering (recon/ML, embedded, mechanical, EE, cloud). Useful experience Regulated product quality leadership (ISO 13485 / 21 CFR 820 or equivalent), including audit readiness and FDA-facing work. eQMS + document control fluency (e.g., Greenlight Guru) that integrates cleanly with modern engineering workflows.

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