Jobs in United States

Lead Software Development Engineer 4 in United States

2,606 active opportunities · Updated October 2026

Explore current lead software development engineer 4 jobs across United States. Filter by work mode, employment type, experience, department, date posted and distance.

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📍 Louisville, Cayman Islands, United States
✓ Quality checkedCompany trend +310%

Become a part of our caring community The Senior Portfolio Enablement Lead is a strategic portfolio transformation role responsible for shaping and enabling Humana's portfolio operations, Agile Release Train (ART) design, and Ways of Working across the portfolio. Acting as a trusted advisor to senior executives (SVPs, VPs, and portfolio leaders), the role translates transformation strategy into scalable execution by diagnosing portfolio delivery challenges, guiding organizational design, and improving alignment, flow, and value delivery. As a Senior Portfolio Enablement Lead, you will: Partner with portfolio and organization leadership to develop and enable portfolio, aligned to enterprise portfolio operations to achieve portfolio initiatives their outcomes. Perform quantitative and qualitative assessments, including stakeholder analysis and change impact assessments, to develop data-driven change strategies for key stakeholder groups. Build and manage portfolio transformation roadmaps to drive executive buy-in and sponsor engagement across technology and business/product leadership and leadership to drive understanding and adoption of key changes Develop Release Train Engineers to our Humana Ways of Working and enterprise tooling subject matter experts for Agile Release Trains and Scrum Teams Measure effectiveness of change interventions through defined metrics and continuously evolve plans to optimize adoption outcomes Regularly report activity status to organizational, portfolio and transformation leadership; proactively escalate and help resolve risks and issues Partners with leaders to align all continuous improvement goals and objectives Partner with Release Train Engineers in the portfolio to monitor activity level of continuous improvement, adoption of Humana Ways of Working, risks patterns

AzureAIRecruitment
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Relocation support. Relocation assistance is stated. This does not establish visa sponsorship.
📍 New York, Pearl River, United States
✓ High-confidence listingCompany trend +86.2%

$106K – $176.6K/yr

Quick readStrong listing-quality and freshness signals

ROLE SUMMARY This laboratory-based leadership role will lead upstream process development for both mammalian cell culture and microbial fermentation platforms within Vaccines Early Bioprocess Development (EBPD). The incumbent will provide scientific and people leadership for the design, planning, execution, and interpretation of experiments supporting recombinant protein and vaccine antigen production. The role requires strong expertise in upstream process development, including host and cell-line evaluation, media and feed optimization, bioreactor process development, and integration of product yield and quality considerations. The successful candidate is expected to bring deep expertise in at least one platform, mammalian cell culture or microbial fermentation, together with demonstrated knowledge of and ability to lead programs across the other platform. Responsibilities include application of high-throughput and scale-down models, Design of Experiments (DOE), process characterization and modeling, scale-up, technology transfer, and development of processes suitable for good manufacturing practice (GMP) manufacture. Experience with automated and conventional bioreactor systems, such as ambr, stirred-tank bioreactors, and rocking-motion bioreactors, is highly valued. The role requires rigorous documentation, clear communication of data and recommendations, effective cross-functional collaboration, and a proven record of scientific and team leadership. ROLE RESPONSIBILITIES · Provide scientific and people leadership for the upstream process development workstream spanning mammalian cell culture and microbial fermentation within the Vaccines EBPD Process Development group. · Lead the design, prioritization, execution, documentation, and communication of complex studies to improve cell growth, recombinant protein expression, prod

AIRecruitment
P
Relocation support. Relocation assistance is stated. This does not establish visa sponsorship.
📍 Massachusetts, Cambridge, United States
✓ High-confidence listingCompany trend +86.2%

$139.1K – $231.9K/yr

Quick readStrong listing-quality and freshness signals

ROLE SUMMARY Exciting opportunity in Clinical Pharmacology! Our Clinical Pharmacology Team is looking for an Associate Director to support the exciting portfolio in Internal Medicine. Our team members champion the innovative use of MIDD for efficient drug development and robust decision-making. A great environment for learning and professional growth! Our Clinical Pharmacology Leads have key roles to play in influencing the discovery and development of drugs. Pfizer is a leader in model informed drug discovery and development (MIDD), and we are expanding in influence and impact. We have an open position as Clinical Pharmacology Lead supporting our End-to-End Internal Medicine portfolio. The ideal candidate is responsible for providing the clinical pharmacology and MIDD components of clinical plans and provide clinical pharmacology expertise to the project team and regulatory interactions. Working with multifunctional study team, Clinical Pharmacology Leads utilize innovative methods to integrate knowledge of pharmacokinetics, pharmacodynamics, patient characteristics and diseases for rational development strategies and decisions, as well as optimal study designs and dosage regimen selections. ROLE RESPONSIBILITIES Act as Clinical Pharmacology representative on Clinical Sub Team and Development Team and other multifunctional teams as appropriate. Responsible for providing expertise, leadership, and deliverables of clinical pharmacology for the assigned projects within sphere of influence. Design and execute clinical pharmacology plans and implement clinical pharmacology best practices on project teams. Work closely with other disciplines to ensure that sufficient preclinical PK/PD knowledge exists to underwrite safe human administration and to establish the structure of a predictive model prior to FIH. Responsible for planning and overseeing clinical pharmacolo

AIRecruitment
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📍 Santa Clara, United States
✓ Quality checkedCompany trend -13.7%

NVIDIA has been transforming computer graphics, PC gaming, and accelerated computing for more than 25 years. It’s a unique legacy of innovation that’s fueled by great technology—and amazing people. Today, we’re tapping into the unlimited potential of AI to define the next era of computing. An era in which our GPU acts as the brain of computers, robots, and self-driving cars that can understand the world. Doing what’s never been done before takes vision, innovation, and the world’s best talent. As a NVIDIAN, you’ll be immersed in a diverse, supportive environment where everyone is inspired to do their best work. Come join the team and see how you can make a lasting impact on the world. NVIDIA Silicon Codesign Group is seeking a versatile engineer to join the HW bring-up methodology team. The SCG team is uniquely positioned to have an end-to-end view of the product development cycle - from early architecture definition, through bringup, to product release. What will you be doing: Led end-to-end planning and on-time execution of Nvidia's new chip bringup effort, from pre-silicon through production deployment. Coordinate multi-functional teams across Architecture, Build, Validation, DFT, SW, System, and Operations to drive shared bringup achievements. Improve cross-team communication, work, and handoffs. Develop and standardize methodologies, processes, and workflows for silicon bringup, creating reusable checklists and playbooks. Drive scheduling, equipment, and material logistics to support ambitious NPI and production schedules. Lead post-action reviews and convert learnings into concrete process improvements for future silicon and solution bringups. Contribute to post-silicon learnings that feed back into architecture, design, and pre-silicon

AILogistics
E
📍 New York, New York, United States· Full-time· Remote
✓ High-confidence listingCompany trend -94.8%
Quick readStrong listing-quality and freshness signals

About ElevenLabs ElevenLabs is an AI research and product company transforming how we interact with technology. We launched in January 2023 with the first human-like AI voice model. Today, we serve millions of users and thousands of businesses - from fast-growing startups to large enterprises like Deutsche Telekom and Meta. Our investors are some of the world's most prominent, including Andreessen Horowitz, ICONIQ Growth and Sequoia. We've raised $781M in funding and our last valuation was $11B - multiples of 11, always. We have expanded from voice into three main platforms: ElevenAgents enables businesses to deliver seamless and intelligent customer experiences, with the integrations, testing, monitoring, and reliability necessary to deploy voice and chat agents at scale. ElevenCreative empowers creators and marketers to generate and edit speech, music, image, and video across 70+ languages. ElevenAPI gives developers access to our leading AI audio foundational models. Everything we do is the result of the creativity and commitment of our team - builders doing the best work of their lives. We are researchers, engineers, and operators. IOI medalists and ex-founders. If you want to work hard and create lasting positive impact, we want to hear from you. How we work High-velocity: Rapid experimentation, lean autonomous teams, and minimal bureaucracy. Impact not job titles: We don’t have job titles. Instead, it’s about the impact you have. No task is above or beneath you. AI first: We use AI to move faster with higher-quality results. We do this across the whole company—from engineering to growth to operations. Excellence everywhere: Everything we do should match the quality of our AI models. Global team: We prioritize your talent, not your location. What we offer Innovative culture: You’ll be part of a generational opportunity to define the trajectory of AI, surrounded by a team pushing the boundaries of what’s possible. Growth paths: Joining ElevenLabs means joining a

M
📍 New York, new york, United States· Full-time
✓ High-confidence listingCompany trend -67.9%
Quick readStrong listing-quality and freshness signals

About Us: AI needs a new infrastructure layer. We're building it at Modal. Every era of computing brought new workloads that previous infrastructure couldn't support: mainframes, databases, and the cloud. Each time, the company that rebuilt the layer underneath defined the decade. AI is no different, except it touches everything instead of one slice, and the window to build the layer underneath it is open right now. Our customers include category-defining companies like Lovable , Ramp , Cognition, DoorDash, and Suno. They rely on Modal for instant GPU access, sub-second container starts, and native storage, so it's simple to serve low-latency inference, fine-tune models, and access production-ready sandboxes at scale. We recently raised a $355M Series C at a $4.65B valuation, led by General Catalyst and Redpoint Ventures. We've crossed $300M+ ARR and grown fivefold since September. Our team includes creators of popular open-source projects (e.g., Seaborn , Luig i ), academic researchers, international olympiad medalists, and experienced engineering and product leaders with decades of experience. The Role: We are looking for a strong technical lead to guide the engineers designing, building, and maintaining the novel, high-performance systems that make up our serverless platform. You'll lead the team responsible for Modal's machines layer: the fleet of bare metal and cloud hosts that every Function, Sandbox, and training job runs on, and the control plane that provisions, images, monitors, and repairs them. You'll own the full lifecycle of a machine, from accepting and benchmarking new hardware from a growing set of providers, to network bring-up, kernel and image management, GPU and disk health tracking, and automated remediation of unhealthy hosts. You'll manage a team of 3–8 engineers while staying hands-on across the stack which involves BMCs, firmware, PXE, bootloaders, Linux networking, drivers, and distributed control-plane services, and you'll shape our long-

M
📍 San Francisco, California, United States· Full-time
✓ High-confidence listingCompany trend -67.9%
Quick readStrong listing-quality and freshness signals

About Us: AI needs a new infrastructure layer. We're building it at Modal. Every era of computing brought new workloads that previous infrastructure couldn't support: mainframes, databases, and the cloud. Each time, the company that rebuilt the layer underneath defined the decade. AI is no different, except it touches everything instead of one slice, and the window to build the layer underneath it is open right now. Our customers include category-defining companies like Lovable , Ramp , Cognition, DoorDash, and Suno. They rely on Modal for instant GPU access, sub-second container starts, and native storage, so it's simple to serve low-latency inference, fine-tune models, and access production-ready sandboxes at scale. We recently raised a $355M Series C at a $4.65B valuation, led by General Catalyst and Redpoint Ventures. We've crossed $300M+ ARR and grown fivefold since September. Our team includes creators of popular open-source projects (e.g., Seaborn , Luig i ), academic researchers, international olympiad medalists, and experienced engineering and product leaders with decades of experience. The Role: We are looking for a strong technical lead to guide the engineers designing, building, and maintaining the novel, high-performance systems that make up our serverless platform. You'll lead the team responsible for the distributed object storage system that underpins every container image, volume, and checkpoint on Modal: hundreds of petabytes of data, replicated across multiple cloud object stores and a CDN, cached on local NVMe across a large fleet of workers in many datacenters, and shared peer-to-peer within each datacenter. You'll set technical direction for the primitives that other teams (filesystems, training, sandboxes) build on, balancing durability, latency, throughput, and cost. You'll own the roadmap from today's hardest problems (garbage collection at petabyte scale, active-active replication, rate limiting that protects the upstream without wasting ut

H
📍 United States· Remote
✓ High-confidence listingCompany trend +310%
Quick readStrong listing-quality and freshness signals

Become a part of our caring community Humana Healthy Horizons is looking for a Value-Based Programs Lead who will support successful value-based provider relationships with a focus on improving the provider experience and achieving path-to-value goals. You will lead the beginning-to-end operational support of specialty Medicaid value-based payment (VBP) models in alignment with segment strategy and goals. The Value-Based Programs Lead will be a subject matter expert in VBP and have advanced technical knowledge and experience. Develop new innovative VBP models for range of provider types, such as behavioral health, maternity, specialists, and social determinants of health, creating glide paths to move providers from volume to value. Align scope of work with roadmap for new VBP model development to ensure compliance with Medicaid contractual requirements and RFP commitments. Analyze financial, utilization, and performance data to identify opportunities to drive improvements in quality and/or reductions in total cost of care. Creation of VBP payment strategies and model design, such as developing payment model logic, performance metrics and benchmarks, and financial terms, which align with segment goals. Design and contribute to development of provider reporting packages to help providers understand their overall and detailed performance. Partner with finance team to conduct impact analysis and modeling for new VBP models. Collaborate with team members and matrixed teams to operationalize and rollout of new VBP models. Contribute to developing solutions to operational gaps. Monitor VBP model performance KPIs to identify opportunities to enhance model design based on internal and external feedback and performance data. Ability to translate strategy into models that can be piloted and scaled across markets. <

FinanceRecruitment
S
📍 Arlington, Tennessee, United States
✓ High-confidence listingCompany trend +364.7%

From $32/hr

Quick readStrong listing-quality and freshness signals

Work Flexibility: Onsite Schedule: Monday – Friday 6:00am - 2:30pm, OT as needed What you will do: In this role, you will support the Materials Manager in coordinating daily material operations on the production floor, ensuring accurate material flow, inventory integrity, and timely delivery of components to support production schedules and operational needs. This role focuses on maintaining efficient material movement, supporting quality standards, and enabling production teams to meet safety, delivery, and cost objectives. Coordinate material availability, staging, and delivery to support uninterrupted production and minimize production downtime. Promote inventory accuracy by supporting material movements, ERP transactions, and work order processes (backflushing, transfers, scrap, and completions). Assist in identifying and resolving inventory discrepancies through root cause analysis while supporting cycle counts, physical inventories, and audit activities. Leverage material usage trends and production demand insights to help optimize stocking strategies and align inventory levels with production plans. Reinforce proper material handling, storage practices, FIFO practices, and compliance with GMP, GDP, and traceability requirements. Serve as a cross-functional point of coordination between materials, production, planning, warehouse, and quality teams to ensure alignment and material readiness. Support the training and development of the Materials team, fostering accountability, accuracy, and continuous improvement. Contribute to process improvement and Lean initiatives to enhance material flow, reduce inventory levels, improve space utilization, and enhance line-side efficiency. What you need: Required Qualifications: High School Diploma

LogisticsWarehouse
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📍 New York, New York, United States· Full-time· Remote
✓ High-confidence listingCompany trend -7.5%
Quick readStrong listing-quality and freshness signals

🚀 About WRITER WRITER is where the world's leading enterprises orchestrate AI-powered work. Our vision is to expand human capacity through superintelligence. And we're proving it's possible – through powerful, trustworthy AI that unites IT and business teams together to unlock enterprise-wide transformation. With WRITER's end-to-end platform, hundreds of companies like Mars, Marriott, Uber, and Vanguard are building and deploying AI agents that are grounded in their company's data and fueled by WRITER's enterprise-grade LLMs. Valued at $1.9B and backed by industry-leading investors including Premji Invest, Radical Ventures, and ICONIQ Growth, WRITER is rapidly cementing its position as the leader in enterprise generative AI. Founded in 2020 with office hubs in San Francisco, New York City, Seattle, Austin, Chicago, and London, our team thinks big and moves fast, and we're looking for smart, hardworking builders and scalers to join us on our journey to create a better future of work with AI. 📐 About the role WRITER is looking for a customer success professional who will own deployment and activation success across a customer portfolio. You'll embed deeply into your customers' organizations, understand their business objectives, and build the programs, communities, and frameworks that turn AI investment into measurable outcomes. You'll partner closely with a Transformation lead to identify the right WRITER capabilities for each use case, then design and execute the strategies that drive meaningful adoption: building champion networks, running customized workshops, and advising customers on how to scale their AI programs over time. The ideal candidate brings a builder's mindset to customer success: you're not waiting for customers to engage, you're creating the conditions for it. This is a hybrid role based in our New York City hub. 🦸🏻‍♀️ What you'll do Own activation and platform success Deeply understand each customer's specific use cases, business objectives, an

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📍 New York, New York, United States· Full-time· Remote
✓ High-confidence listingCompany trend -7.5%
Quick readStrong listing-quality and freshness signals

🚀 About WRITER WRITER is where the world's leading enterprises orchestrate AI-powered work. Our vision is to expand human capacity through superintelligence. And we're proving it's possible – through powerful, trustworthy AI that unites IT and business teams together to unlock enterprise-wide transformation. With WRITER's end-to-end platform, hundreds of companies like Mars, Marriott, Uber, and Vanguard are building and deploying AI agents that are grounded in their company's data and fueled by WRITER's enterprise-grade LLMs. Valued at $1.9B and backed by industry-leading investors including Premji Invest, Radical Ventures, and ICONIQ Growth, WRITER is rapidly cementing its position as the leader in enterprise generative AI. Founded in 2020 with office hubs in San Francisco, New York City, Seattle, Austin, Chicago, and London, our team thinks big and moves fast, and we're looking for smart, hardworking builders and scalers to join us on our journey to create a better future of work with AI. 📐 About the role WRITER is looking for a customer success professional who will own deployment and activation success across a customer portfolio. You'll embed deeply into your customers' organizations, understand their business objectives, and build the programs, communities, and frameworks that turn AI investment into measurable outcomes. You'll partner closely with a Transformation lead to identify the right WRITER capabilities for each use case, then design and execute the strategies that drive meaningful adoption: building champion networks, running customized workshops, and advising customers on how to scale their AI programs over time. The ideal candidate brings a builder's mindset to customer success: you're not waiting for customers to engage, you're creating the conditions for it. This is a hybrid role based in our New York City hub. 🦸🏻‍♀️ What you'll do Own activation and platform success Deeply understand each customer's specific use cases, business objectives, an

I
📍 Oregon, Hillsboro, United States
✓ Quality checkedCompany trend +125%

Job Details: Job Description: In this role, you will lead cross-functional collaboration to advance circuit simulation and modeling capabilities for advanced foundry technologies. Your responsibilities will include: Vendor collaboration: Partnering with EDA vendors to enhance and validate industry-standard simulation tools and design flows. Technology alignment: Working closely with technology leaders, VLSI physical design teams, and PDK teams to ensure simulation and modeling capabilities are aligned with roadmap needs. PDK readiness: Driving readiness of high quality simulation and modeling solutions so they are available in time for PDK delivery. Qualifications: You must possess the below minimum qualifications to be initially considered for this position. Preferred qualifications are in addition to the minimum requirements and are considered a plus factor in identifying top candidates. Minimum Qualifications: Bachelor’s degree in electrical engineering or computer engineering or related engineering discipline with 12&#43; years or master’s degree in electrical engineering or a related discipline and at least 10 years of industry experience in the semiconductor field; or Ph.D. in Electrical Engineering or a related discipline with a minimum of 8 years of industry experience in the semiconductor field. 5&#43; years supporting circuit simulation tools and working with circuit simulation vendors to develop solutions. 5&#43; years collaborating with EDA vendors on optimizing circuit simulation and modeling for advanced technology nodes. 3&#43; years of hands-on experience with BSIM or other compact models for transistor modeling at advanced nodes (e.g., FinFET, GAA).</

Recruitment
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📍 Arlington Heights, IL 60004-4379, United States
✓ High-confidence listingCompany trend +89.4%

$24 – $26/hr

Quick readStrong listing-quality and freshness signals

The starting pay range for this position per hour is $24.00 - $26.00. The full pay range for this position per hour is $24.00 - $40.80 Pay is based on several factors which vary based on position. These include labor markets and in some instances may include education, work experience and certifications. In addition to your pay, Target cares about and invests in you as a team member, so that you can take care of yourself and your family. Target offers eligible team members and their dependents comprehensive health benefits and programs, which may include medical, vision, dental, life insurance and more, to help you and your family take care of your whole selves. Other benefits for eligible team members include 401(k), employee discount, short term disability, long term disability, paid sick leave, paid national holidays, and paid vacation. Find competitive benefits from financial and education to well-being and beyond at https://corporate.target.com/careers/benefits . ALL ABOUT TARGET Working at Target means helping all families discover the joy of everyday life. We bring that vision to life through our values and culture. Learn more about Target here. ALL ABOUT PROPERTY MANAGEMENT Property Management suppo

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📍 Ny Nyc Metro, United States· Remote
✓ Quality checkedCompany trend +310%

Become a part of our caring community The Program Delivery Lead, Medicare Advantage Bid Operations is responsible for coordinating and managing the annual Medicare Advantage bid planning, development, governance, and submission process. Serving as a central point of coordination across Product, Finance, Actuarial, Growth Strategy, Markets, Quality, and executive leadership teams, this role ensures key decisions, deliverables, and milestones are completed on time and with appropriate stakeholder engagement. This individual acts as the convener and coordinator of the bid operating model, managing the overall program calendar, overseeing program governance forums and processes, supporting coordination of new plan expansions with core strategic partners, and coordinating across executive stakeholders to ensure successful execution of a highly complex enterprise initiative. The Program Delivery Lead will operate in a highly matrixed environment and must be skilled at influencing without authority, managing strict deadlines, and serving as a key point of contact for questions about bid planning processes. In partnership with the broader Growth Strategy team, the Program Delivery Lead helps to drive continuous evolution of the Medicare Advantage bid operating model, governance structure, decision forums, and planning processes to improve organizational effectiveness and execution quality. Key Responsibilities Bid Program Management Develop and manage the integrated annual Medicare Advantage bid plan calendar, including milestones, deliverables, dependencies, and CMS deadlines Serve as the point person for bid planning and execution process governance questions and feedback Identify risks, issues, and dependencies that may impact bid execution and facilitate mitigation strategies Monitor overall program health and esc

Project ManagementPmpFinanceLogistics
C
📍 Tampa Florida United States, United States
✓ Quality checkedCompany trend +800%

The Applications Development Technology Lead Analyst is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Responsibilities: Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and process improvements Resolve variety of high impact problems/projects through in-depth evaluation of complex business processes, system processes, and industry standards Provide expertise in area and advanced knowledge of applications programming and ensure application design adheres to the overall architecture blueprint Utilize advanced knowledge of system flow and develop standards for coding, testing, debugging, and implementation Develop comprehensive knowledge of how areas of business, such as architecture and infrastructure, integrate to accomplish business goals Provide in-depth analysis with interpretive thinking to define issues and develop innovative solutions Serve as advisor or coach to mid-level developers and analysts, allocating work as necessary Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency. Recommended Qualifications: 6&#43; years of relevant experience in Apps Development or systems analysis role Extensive exp

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