Jobs in United States

Junior Senior Lead Full Stack Software Engineer Application Development in United States

76 active opportunities · Updated October 2026

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

Hiring demand

51/100

steady · 546 related jobs

Hiring trend

-77.6%

Job postings compared with the previous 30 days

Remote options

15.2%

Share of matching jobs listed as remote

Typical salary

$177.2K – $177.2K/yr

Based on 29 salary observations

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📍 San Francisco, California, United States· Full-time
✓ High-confidence listingCompany trend -87.3%

From $183K/yr

Quick readStrong listing-quality and freshness signals

About Flexport: At Flexport, we believe global trade can move the human race forward. That’s why it’s our mission to make global commerce so easy there will be more of it. We’re shaping the future of a $10T industry with solutions powered by innovative technology and exceptional people. Today, companies of all sizes—from emerging brands to Fortune 500s—use Flexport technology to move more than $19B of merchandise across 112 countries a year. The recent global supply chain crisis has put Flexport center stage as we continue to play a pivotal role in how goods move around the world. We are proud to have the support of the best investors in the game who believe in our mission, solutions and people. Ready to tackle global challenges that impact business, society, and the environment? Come join us. The Opportunity The Autonomous Freight Systems team is a brand new, AI-first engineering team in San Francisco, building Flexport's client-facing rates platform and self-serve freight booking experience from the ground up. We own two of the highest-leverage surfaces in the Client App: how clients see pricing and how they book freight without manual intervention. As a Senior Engineer, you will own significant technical domains end-to-end, not just features, but whole problem spaces. You will drive the engineering of systems that power rate visibility, pricing intelligence, and AI-assisted booking across ocean, air, and trucking. You don't wait to be told what to build next; you identify the highest-leverage problems, propose solutions, and see them through to production. You will be a technical force multiplier on the team: raising the bar on code quality, helping junior engineers grow, and shipping with a velocity and confidence that comes from deep ownership. This is a ground-floor opportunity to build the platform that moves Flexport from an assisted-sales model to a tech-run one for the long tail of our client base—turning the complexity of global trade into a s

JavaReactAWSGit
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📍 San Mateo, CA, United States· Full-time
✓ High-confidence listingCompany trend -100%

From $196.8K/yr

Quick readStrong listing-quality and freshness signals

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. The Consumer Apps Consoles team owns the console app foundation that makes Roblox feel fast, fluid, and reliable for millions of players and is dedicated to delivering superior performance, reliability, and user experience on PlayStation and Xbox. As a Senior Software Engineer on the Consoles team, you'll be a driving technical force — leading complex client work end-to-end, raising the quality bar across our codebase, and partnering closely with product, design, and platform teams to ship experiences that are polished and performant at scale. You Will: Shape & improve the PlayStation and Xbox experience that millions of players see every day Translate ambiguous product ideas into well-scoped, high-quality engineering plans in close partnership with product, design, and data science. Raise the engineering bar through rigorous code review, proactive mentorship of junior engineers, and the standards you set in your own code. Drive platform-level investments that benefit the broader engineering organization. Work with our Xbox and PlayStation counterparts to ensure feature parity and platform-specific excellence. You Have: 5+ years of experience building and shipping client software, with

ReactAWSGitAI
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📍 San Mateo, CA, United States· Full-time
✓ High-confidence listingTop 25% payDemand 51/100Company trend -100%

From $216.7K/yr

Quick readTop 25% pay versus similar roles

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. Be a part of Roblox Corporation as a Senior Security Software Engineer in Vulnerability Management. Join our dedicated team to ensure the security of our platform. You will work on scaling vulnerability management tools across the company, providing millions of users with a flawless and secure experience. This role offers an outstanding opportunity to contribute to global projects. You Will: Develop and maintain internal software products and capabilities to drive awareness and resolution of vulnerabilities at scale within Roblox. Collaborate with cross-functional teams to identify, prioritize, and mitigate security vulnerabilities through tools and services. Design and build automated systems to highlight security issues to owners and make vulnerability remediation a first-class user experience. Develop tools and features that help make vulnerability remediation understandable and easy across Roblox’s entire tech stack and organization. Mentor and guide junior engineers in developing secure software and products, incorporating vulnerability management methodologies. You Have: Proven experience in software engineering, ideally with a focus on security. Proficiency in programming langu

PythonJavaAWSGit
M
📍 United States· Full-time
✓ High-confidence listingCompany trend -97.1%

From $126K/yr

Quick readStrong listing-quality and freshness signals

Our Database Experience (DBX) Team A great MongoDB experience starts with great tools. The Database Experience team builds the libraries and tools that developers use day-to-day working with MongoDB. Our mission is to increase developer adoption, satisfaction and retention by providing a reliable, enjoyable interface for developers and other end-users. Our senior engineers are typically specialists in a particular programming language, but are capable of contributing to projects in other languages as well. For this role, we're looking for someone who will enjoy designing, writing, and supporting open source libraries for the Python ecosystem developers that use MongoDB. This is an opportunity to make a major impact at MongoDB as Python is one of the most popular runtimes for MongoDB users, and our driver has over 3 million daily pypi downloads. You might be right for this role if you... Have substantial experience writing high-quality software in Python Have extensive knowledge in Python tools and frameworks, scientific python and web development frameworks Have practical experience with AI/ML frameworks and technologies in Python, including large language models and agentic tools are a plus Have an interest in learning and staying up-to-date with Python ecosystem trends and best practices and incorporating them into your work Can make pragmatic design decisions, balancing tradeoffs such as usability, maintainability and delivery time Want to, or already do, participate in open source software development and communities, both online via e.g. GitHub and optionally through conferences and speaking engagements Communicate well, internally and externally, both verbally and in writing Enjoy collaborating with teammates, and mentoring junior engineers and interns Are self-motivated, organized, and have strong time management skills You'll be on the team responsible for... Developing and supporting the MongoDB Python drivers and subsidiary libraries ( PyMongo , Django Mon

PythonMongoDBAWSAzure
O
📍 San Francisco, California, United States· Full-time
✓ Quality checkedCompany trend -83.9%

About the Team OpenAI’s Hardware organization develops AI-native silicon and system-level solutions for the unique demands of advanced AI workloads. Building on efforts like Jalapeño, the team is developing future generations of AI-native silicon and tightly integrated systems to power the next generation of frontier models. By co-designing chips, systems, tools, and methodologies, the team helps deliver faster, more efficient, and production-ready hardware for OpenAI’s supercomputing platform. About the Role We are looking for a highly experienced RTL engineer to own critical on- and off-chip interconnect components for our custom AI accelerator platform. You will drive the microarchitecture and RTL implementation of scalable on-chip communication fabrics connecting high-bandwidth compute, memory, and I/O subsystems as well as purpose-built off-chip interfaces and protocols needed to enable custom computing at scale. This is a senior, hands-on engineering role with broad technical ownership. You will drive design from requirements through the full silicon lifecycle, from architecture definition and performance analysis through RTL implementation, verification closure, physical design convergence, bring-up, and production readiness. You will plan and oversee the work of junior engineers and help drive and develop productive engineering relationships with external partners and help manage partner execution. This role is based in San Francisco, CA. We use a hybrid work model of 3 days in the office per week and offer relocation assistance to new employees. In this role, you will: Own the microarchitecture, RTL design, and delivery of major SoC interconnect components, including network-on-chip fabrics, switches, routers, bridges, protocol adapters, arbiters, and traffic-management logic as well as off-chip protocol bridges and interfaces. Drive third party engagements to develop novel networking and interface protocols and silicon IP while ensuring high quality and de

AWSRestAIRust
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📍 Massachusetts, United States of America, United States
✓ Quality checkedCompany trend +66.7%

Commercial Account Manager Description - Job Summary • This role is responsible for identifying customers’ unique requirements and implementing account planning for growth opportunities. The role acts as a subject matter expert, applies consultative selling techniques, and mentors junior account managers. Responsibilities • Demonstrates an advanced level of subject matter expertise and employs consultative-selling techniques to identify and advance opportunities. • Coordinates and owns account plans for strategic commercial accounts, focusing on larger deals, portfolio management, and effectively selling the organization’s offerings. • Identifies complex customer requirements, maps them with the organization’s capabilities, and chooses the most suitable direct/indirect supply chain options. • Builds strong professional relationships with high-level clients, gains a deep understanding of their unique business needs, and aligns the organization's solutions accordingly. • Develops and executes sales strategies, territory account plans, and market penetration strategies to drive significant revenue growth and expand market share. • Analyzes and interprets key performance indicators (KPIs) and market trends to provide strategic insights and recommendations to senior management for optimizing sales performance. • Engages strategically with partners to improve win rates on selective deals and consistently achieves and manages quarterly, half-yearly, and yearly sales quotas. • Leads contract negotiations with major clients, overseeing contract terms and renewals with a proactive approach to ensure profitable deals and lasting positive relationships. • Manages the sales pipeline, enters, and updates opportunities in the pipeline tool, and implements pipeline management practices. • Conducts regular strategic business rev

SalesforceSupply Chain
V
📍 New York, New York, United States· Full-time
✓ High-confidence listing

$75K – $90K/yr

Quick readStrong listing-quality and freshness signals

Client Success is the front line of VTS’s retention engine. As a CSR, you’re not only engaging with clients who use VTS to transform how commercial real estate operates, you’ll be helping shape our future. With the support of powerful data-driven workflows and AI tools, you’ll generate meaningful client interactions at scale, test new engagement strategies and provide critical insights back to the Client Success and Product teams. Simply put, when our CSR team thrives, our customers continue to grow with us. ** Please note that this opportunity is located in New York, NY, and requires this hire to work from our office four days a week. ** What you can expect as a Client Success Representative: This isn’t your typical junior Client Success role. At VTS, you’ll be joining a high-impact, AI-augmented CS team that’s rethinking how modern client success is done. You’ll Be quickly trained in world-class SaaS CS techniques and real estate fluency. Use cutting-edge tools to automate busywork so you can focus on learning, experimenting, and connecting with decision-makers at some of the most influential CRE firms on the planet. Collaborate closely with CS mentors, marketing partners, and senior leadership to contribute directly to client retention. See a clear path for promotion to Client Success Manager roles and beyond. Our top CSMs and leaders started in this seat. Be part of a scaling team where every win matters and every voice is heard. Form relationships with senior decision makers, asset managers and brokers at the top commercial real estate firms across the country. What makes you a great fit? You’re not just looking for a job, you’re looking to launch a career in CS with real momentum. You could be a great fit if: You’re curious, coachable, and ready to dive headfirst into a fast-paced, goal-driven environment. You embrace new tools and technologies to work smarter and faster. You bring 1+ years of professional experience. Bonus if it’s in CRE, SaaS, or

AIGoExcelMarketing
F
📍 Mclean, Virginia, United States
✓ Quality checkedCompany trend -33.3%

From $32/hr

At Freddie Mac, our mission of Making Home Possible is what motivates us, and it’s at the core of everything we do. Since our charter in 1970, we have made home possible for more than 90 million families across the country. Join an organization where your work contributes to a greater purpose. Position Overview: Freddie Mac’s Finance Division is seeking curious, motivated Accounting & Finance Interns to gain entry-level, hands-on experience in accounting, finance, business analysis, and the mortgage industry. We are accepting applications for this position until 10/16/2026 Our Impact: Finance is an internal support organization that is instrumental in helping Freddie Mac achieve strategic objectives critical to establishing itself as a marketplace leader. We support business areas with financial analysis and data that inform decisions. As an intern, you will see this impact firsthand through meaningful work in the Finance Division. Your Impact: Support accounting activities related to “closing the books” and producing accurate GAAP financial statements. Develop your business understanding by reporting on and analyzing data. Assist in preparing unbiased financial reports on business performance for internal management. Gain an understanding of specialized areas of the Finance Division and related areas of the company. Contribute to projects that help solve business problems with guidance from experienced team members. Collaborate with colleagues to execute projects, share knowledge, and build relationships. Qualifications: Pursuing a bachelor’s degree in accounting, Finance, Economics, Business Administration, or a related field Current junior in college or rising senior at the time of the internship <

AccountingFinance
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Golf. A golf role or an employer dedicated to golf.
📍 Ponte Vedra Beach, FL, United States
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

The Best Players Need the Best People. This position will be responsible for brainstorming, developing, designing and executing creative digital and motion concepts that align with the PGA TOUR brand. The primary focus will be on digital platforms and social media channels. QUALIFICATIONS Bachelor’s Degree in graphic design, animation or other related design discipline preferred 0-2 years of related professional work experience, showcased in an online portfolio that represents a diverse and creative skill set Strong working knowledge of Adobe Creative Cloud, specializing in After Effects, Photoshop, Illustrator and Premiere Pro. Experience working with Google Web Designer or equivalent digital ad tools and solutions a plus Knowledge of HTML5/CSS/JavaScript and producing responsive and rich media digital ads a plus Experience with coding and designing email creative Ability to multi-task with excellent organizational and project management skills to meet deadlines Proactive and ability to be flexible and responsive to art direction Strong sense of design principles and attention to detail Foundational knowledge of animation principles with a strong sense of motion and visual storytelling Edit a

JavaScriptProject Management
C
📍 New York New York United States, United States
✓ High-confidence listingCompany trend +800%
Quick readStrong listing-quality and freshness signals

Citi is evolving its current commerce offerings and branching into new avenues of growth by offering merchants access to high value cardmembers across Citi’s digital properties and partner placements. By combining Citi’s scale, trusted customer relationships, and real purchase insights, the business delivers advertising that is relevant to customers and drives measurable, incremental impact for advertisers. If you're early in your career and have been working within AdTech, MarTech, or data environments and are ready to deepen your technical expertise while helping build a platform from the ground up, this is the role. The Junior Solution Architect will support the design and implementation of Citi Commerce’s AdTech and data infrastructure by translating defined architecture into scalable, working technical components. This is a highly hands-on, detail-oriented role focused on execution—ensuring platforms are properly integrated, configured, and optimized to support campaign activation, ad serving, and measurement. This role is ideal for an early-career technologist with AdTech or MarTech exposure who enjoys working across systems, troubleshooting integrations, and enabling seamless data flow across platforms. Responsibilities: Support implementation of Citi Commerce’s end-to-end AdTech and data architecture across platforms Assist with integrations across ad servers, DSPs, CDPs, and measurement platforms (e.g., GAM, DV360, LiveRamp) Configure and maintain tagging, tracking, and pixels to ensure accurate campaign execution and reporting Help build and manage data pipelines, ensuring reliable data ingestion and flow across systems Troubleshoot technical issues related to integrations, tracking discrepancies, and data inconsistencies Assist in QA and validation of platform integrations, tagging, and measurement frameworks Document system c

Artificial IntelligenceAI
TG
Golf. A golf role or an employer dedicated to golf.
📍 Georgia, United States
✓ Quality checked

Responsible for working closely with all Junior golf players to ensure their usage of TaylorMade product on a regular basis, increasing the level of usage and servicing the AJGA/College. Also, identify and recruiting future players currently playing at junior, college and amateur levels. Key to role is to impact and expand spheres of influence in the AJGA segment. Expand usage of TaylorMade product, with specific focus on TM Driver usage, TM Irons, TM Putter and TM golf ball. Essential Functions and Key Responsibilities: Maximize the amount of TaylorMade equipment in play by executing in alignment with strategy across product categories of golf ball, driver, metalwood and irons. Focusing recruiting efforts on Junior All-Star level of AJGA, US Kids and other local elite events. Develop productive relationships with players within the Junior/AJGA levels, through building trust and establishment of product and fitting expertise Responsible for seeking out players that have potential to play TaylorMade equipment, then working with them and prescribing clubs and golf ball to fit their needs Work closely with superior to assure the satisfaction of goals and objectives in junior and college developmental area(s) Effectively communicate to superior and team members important information relating to but not limited to a specific player, TM equipment, competitors equipment or programs etc. Represent company at the highest levels at all times to the player, their family, agent or teacher. Performs other related duties and assignments as required. Education, Training, Professional Certification and Work Experience: High school diploma or equivalent; Bachelor’s Degree preferred. College Golf Experience preferred 3&#43; years general golf industry experience including direct interaction with golf professionals and top amateur

JI
📍 Windsor, CT, United States
✓ Quality checkedCompany trend +1766.7%

JLL empowers you to shape a brighter way . Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong. Whether you’ve got deep experience in commercial real estate, skilled trades or technology, or you’re looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward. Mechatronics Junior Technician Apprentice - JLL What this job involves: As a Mechatronics Junior Technician Apprentice, you will learn to perform the job of Mechatronics Junior Technician and install, alter, troubleshoot, repair, and maintain electronic, mechanical, computer, control, and robotics/automation equipment, systems, and components in a complex Fulfilment/Distribution Center through the completion of a comprehensive classroom, laboratory, and on-the-job learning program. Trains in and adheres to all health and safety policies and procedures. Work Performed: As a Mechatronics Junior Technician Apprentice: Follows work processes closely at school and on the shop floor to ensure a safe environment while job shadowing with technical advisor in OJL. Communicates and works well within a team environment both in school and in OJL. Works capably with technical documentation. Works capably with a computer both

Artificial IntelligenceAIRecruitment
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📍 Minnesota, United States of America, United States
✓ High-confidence listingCompany trend +66.7%

$134K – $197K/yr

Quick readStrong listing-quality and freshness signals

Retail Partner Sales Representative Description - Job Summary • This role is responsible for collaborating with partners to transform leads into joint sales activities, tailoring solutions to meet customer needs in our Consumer Personal Systems business. The role builds strong strategic relationships with partners and promotes the organization's offerings fostering long-term business opportunities. The role mentors junior employees and leads training sessions for partners, continuously monitoring their performance to contribute to the team’s success. Responsibilities • Acts as the expert to the partner for complex information regarding the organization’s products, services, promotions, and configurations. • Develops and maintains account plans to promote sales growth in adherence to legal procedures and requirements. • Partners and transforms potential leads into joint sales activities; creates, fills in, and manages the funnel for deals with partners while achieving and/or exceeding quotas. • Collaborates with partners to tailor solutions that address specific customer needs, including customization of products and services to align with client requirements. • Builds strategic relationships with the partner to ensure long-term business opportunities for the organization. • Promotes and incorporates the organization’s offerings to become a key part of the partner’s business and solutions. • Leads training sessions and workshops for partners, educating them on the latest products, services, and industry trends to enhance their sales capabilities. • Monitors partner performance against targets, analyzing data, and providing insights to drive improvements and optimize outcomes. • Mentors junior team members, sharing expertise, providing guidance, and contributing to their professional development. Educatio

H
📍 Georgia, United States of America, United States
✓ High-confidence listingCompany trend +66.7%

$154K – $227.1K/yr

Quick readStrong listing-quality and freshness signals

Account Manager - FlexPack Description - This Account Manager role is responsible for understanding and promoting HP's FlexPack (Flexible Packaging) organization's products, using consultative selling techniques to engage with clients, and creating customized solutions. The role manages the sales pipeline, crafts competitive sales strategies, and handles challenging situations in collaboration with account managers. The role stays updated on industry trends and mentors junior team members to enhance their sales and consulting skills. Responsibilities • Demonstrates a deep understanding of the organization’s products and services while explaining product features and benefits to potential customers. • Offers technical expertise and support to the account managers in identifying potential clients, nurturing leads, and driving revenue growth. • Utilizes various sales and marketing techniques to identify and engage with potential clients and helps in tailoring sales pitches and solutions. • Creates and presents customized solutions or proposals that address the client's needs and demonstrate the alignment of the organization’s offerings with the client’s business objectives. • Maintains strong relationships with existing clients providing ongoing support, addressing client concerns, and actively seeking opportunities for upselling or cross-selling. • Develops pursuit plans and manages the sales pipeline to ensure alignment with account managers and overall sales objectives by setting clear goals and strategies for each opportunity. • Utilizes domain-specific knowledge to craft competitive sales strategies to better position the organization’s offerings in the market. • Handles challenging situations like negotiations, and client escalations to resolve issues in a professional and timely manner. • Attends industry events and

C
📍 New York New York United States, United States· Hybrid
✓ High-confidence listingCompany trend +800%
Quick readStrong listing-quality and freshness signals

The Sec & Derivatives Sr Analyst is an intermediate level position responsible for processing orders and transactions originating from trading desks and branch offices in coordination with the Operations - Transaction Services team. The overall objective of this role is to facilitate the clearance, settlement and investigation of client securities and derivatives transactions. Responsibilities: Resolve complex process problems which require an in-depth evaluation of basic securities processing procedures and industry standards Process various hedge fund tasks, including calculating net asset value, reconciling cash and holdings, and pricing securities Offer advanced solutions for assigned securities processing areas Provide guidance and assistance to junior staff Oversee the set-up of new hedge funds, while representing a securities processing team, and acting as the analytical and procedural expert Serve as analytical or procedural expert for securities processing deliverables/initiatives Prepare expense budgets, analyze expense calculations, and prepare unaudited financial statements Ascertain fund value and allocate values to each investor Assist with the development of new techniques and streamlining hedge fund/securities processing activities 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 : 5-8 years of relevant experience Consistently demonstrates clear and concise written and verbal commun

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