Explore 4 frontend javascript software engineer jobs from 3 hiring companies in Carnegie, PA, US. Filter by remote, salary, experience, and company, then open any listing to apply.

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Frontend Javascript Software Engineer

Pittsburgh

Mount Lebanon

Upper Saint Clair

Bethel Park

Whitehall

Baldwin

Castle Shannon

South Park Township

Brentwood

Wilkinsburg

McKees Rocks

West Mifflin

Bellevue

Allison Park

McKeesport

Franklin Park

Munhall

Bridgeville

Penn Hills

Frontend Javascript Software Engineer Jobs

Gray Swan AI

Onsite

Remote

Vice President, Front-End Engineer&nbsp; 
 At BNY, our culture allows us to run our company better and enables employees’ growth and success.&nbsp;As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the world’s investible assets. Every day, our teams harness cutting-edge AI and breakthrough technologies to collaborate with clients, driving transformative solutions that redefine industries and uplift communities worldwide. 
 Recognized as a top destination for innovators, BNY is where bold ideas meet advanced technology and exceptional talent. Together, we power the future of finance – and this is what #LifeAtBNY is all about. Join us and be part of something extraordinary. 
 We’re seeking a future team member for the role of Vice President, Front-End Engineer to join our Enterprise Transformation Organization team. This role is located in Pittsburgh. In this role, you’ll make an impact in the following ways:&nbsp;
<ul>
 <li>Lead the development of robust front-end applications by utilizing expertise in HTML, CSS, JavaScript, and modern frameworks such as React or Angular.</li>
 <li>Collaborate with cross-functional teams, including UX/UI designers and back-end developers, to deliver cohesive and innovative digital solutions.&nbsp;</li>
 <li>Ensure code quality and maintainability through best practices, including code reviews, testing, and documentation.&nbsp;</li>
 <li>Drive continuous improvement initiatives within the Front-End Development team by staying abreast of industry trends and emerging technologies.&nbsp;</li>
 <li>Mentor and guide junior developers, fostering a culture of knowledge sharing and professional growth.&nbsp;</li>
 <li>Align all projects with BNY's strategic goals and principles, ensuring adherence to compliance and regulatory requirements.</li>
</ul>
 To be successful in this role, we’re seeking the following:&nbsp;
<ul>
 <li>Bachelor’s degree in Computer Science, Engineering, or a related field.</li>
 <li>Advanced certifications in front-end development or related technologies are advantageous.</li>
 <li>Typically 5-9 years of experience.</li>
 <li>Proficiency in front-end programming languages and frameworks.</li>
 <li>Strong problem-solving and analytical skills.</li>
 <li>Excellent communication and collaboration abilities.</li>
</ul><h3>About Company</h3><div>At BNY, our culture speaks for itself, check out the latest BNY news at&nbsp;<a href="https://www.bny.com/corporate/global/en/about-us/newsroom.html" target="_blank" rel="nofollow">BNY Newsroom</a>&nbsp;&amp;&nbsp;<a href="https://www.linkedin.com/company/bnyglobal/posts/?feedView=all" target="_blank" rel="nofollow">BNY LinkedIn</a>
&nbsp;Here’s a few of our recent awards:
<ul style="margin-top:0in">
 <li style="margin-bottom:0in">America’s Most Innovative Companies, Fortune, 2025</li>
 <li style="margin-bottom:0in">World’s Most Admired Companies, Fortune 2025</li>
 <li style="margin-bottom:0in">“Most Just Companies”, Just Capital and CNBC, 2025</li>
</ul>
<ul></ul>
Our Benefits and Rewards:
BNY offers highly competitive compensation, benefits, and wellbeing programs rooted in a strong culture of excellence and our pay-for-performance philosophy. We provide access to flexible global resources and tools for your life’s journey. Focus on your health, foster your personal resilience, and reach your financial goals as a valued member of our team, along with generous paid leaves, including paid volunteer time, that can support you and your family through moments that matter.
BNY is an Equal Employment Opportunity/Affirmative Action Employer - Underrepresented racial and ethnic groups/Females/Individuals with Disabilities/Protected Veterans.
BNY assesses market data to ensure a competitive compensation package for our employees. The expected base salary for this position when employment commences can be found in the Job Info section at the bottom of the posting.&nbsp;
Base salary offered may vary depending on multiple individualized factors, including market location, job-related knowledge, skills, and experience. Base salary is only part of the total rewards package, which may include eligibility for an annual discretionary incentive award. Subject to the terms and conditions of the applicable plans then in effect, eligible employees may enroll in a 401(k) plan as well as participate in Company-sponsored medical, dental, vision, and basic life insurance plans for the employee and the employee’s eligible dependents. Eligible employees also may receive other benefits (including various paid time off benefits, such as vacation and sick time), dependent on the position offered. Details of participation in these benefit plans will be provided if an employee receives an offer of employment.
If hired, the employee will be in an “at will” position and the Company reserves the right to modify base salary (as well as any other discretionary payments or compensation programs) at any time, including for reasons related to individual performance, Company or individual department/team performance, and market factors.</div><h2>Company</h2><div>At BNY, our culture allows us to run our company better and enables employees’ growth and success. As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the world’s investible assets. Every day, our teams harness cutting-edge AI and breakthrough technologies to collaborate with clients, driving transformative solutions that redefine industries and uplift communities worldwide.Recognized as a top destination for innovators, BNY is where bold ideas meet advanced technology and exceptional talent. Together, we power the future of finance – and this is what #LifeAtBNY is all about. Join us and be part of something extraordinary.</div>

Vice President, Front-End Engineer

Front-End Engineer

Bachelor’s in Computer Science or Engineering; 5-9 years front-end experience; proficiency in HTML/CSS/JavaScript and modern frameworks; strong problem-solving and communication.

<h2>About Gray Swan</h2>Gray Swan protects organizations from emerging AI security threats. We build real-time threat detection, automated validation, and adaptive defenses for AI labs and enterprises. We’re a team of ~25 people, well-funded, and growing fast.We have strong traction and globally recognized customers, which means employees here take on real responsibility and meaningful equity from day one. This is a high-ownership environment where you’ll work on hard problems, move quickly, and help shape both the product and the company.Many people join Gray Swan because our mission matters. We’re doing practical, high-impact work in AI safety, that sense of purpose is a core reason why engineers and researchers choose us.<a target="_blank" rel="noopener noreferrer nofollow" href="https://www.grayswan.ai/about">Learn more about how we work</a>.<h2>The Role</h2>We’re looking for a software engineer who wants to build things end to end and doesn’t mind getting their hands dirty. You’ll work across the stack—frontend, backend APIs, and databases—helping us turn ideas into real product and improve what’s already in production.You don’t need to have used every tool we use– what matters is that you have solid full-stack experience, pick up new technologies quickly, and are comfortable owning work without a lot of process or hand-holding. We are still in the early stages of our growth, so if you like autonomy, responsibility, and moving fast, then please apply for this opportunity!<h2>What You’ll Do:</h2><ul style="min-height:1.5em"><li>Design and develop web applications using modern frontend frameworks like Svelte</li><li>Build intuitive and user-friendly interfaces that delight users</li><li>Develop and maintain backend APIs using tools like FastAPI</li><li>Manage and optimize database systems like MongoDB</li><li>Collaborate with our ML research team to integrate AI experiences into our products</li></ul><h2>Who You Are:</h2><ul style="min-height:1.5em"><li>Proficiency in TypeScript or JavaScript</li><li>Experience with frontend frameworks such as React, Vue, or Svelte</li><li>Solid understanding of HTML and CSS</li><li>Hands-on experience building backend APIs</li><li>Knowledge of database systems (SQL or NoSQL; MongoDB is a plus)</li></ul><h2>Bonus Points If You Have:</h2><ul style="min-height:1.5em"><li>SvelteKit experience</li><li>Python proficiency and AI/ML framework exposure</li><li>Experience in creating AI-driven applications</li><li>Experience deploying and scaling applications on cloud platforms (e.g., AWS, Google Cloud, Azure)</li><li>Familiarity with CI/CD pipelines and DevOps practices to streamline development workflows</li><li>Knowledge of secure coding practices and mitigating vulnerabilities in web applications</li><li>Contributions to open-source projects or an active GitHub/portfolio showcasing relevant work</li><li>Experience with testing frameworks (e.g., Jest, Playwright) to ensure code quality</li><li>Understanding of AI safety principles or ethical considerations in AI systems</li></ul>If you don’t have 100% of these, you should still seriously consider applying. We care more about what you can do than your credentials.<h2>You’ll Thrive Here If You:</h2><ul style="min-height:1.5em"><li>You've learned things about your code only production traffic can teach</li><li>You're comfortable debugging across the stack – from browser devtools to database query plans.</li><li>You've worked in environments where moving fast matters and you know how to balance speed with sustainability.</li><li>You're interested in applying your security mindset to AI, where the threat model is still being written</li></ul><h2>What We Offer:</h2>We offer a competitive compensation package designed to reward impact and incentivize growth. Our compensation philosophy is informed by our current valuation and recent industry data.Salary: $115,00-$165,000 Equity: Competitive equity packageBenefits:<ul style="min-height:1.5em"><li>401k with up to 4% matching</li><li>28 days annual leave (vacation + holidays)</li><li>Health, dental, and vision coverage</li><li>Catered lunches (Pittsburgh office)</li><li>Flexible work arrangements</li><li>Visa sponsorship available for exceptional candidates</li></ul><h2>Interview Process:</h2>🔎 Application review. We read everything; we’ll respond within 10 days.✏️ Online technical screen (15 min). Complete a simple, job-relevant exercise.🗣 Intro call (30 min). We learn about you; you learn about us.🧑‍💻 Technical interview (90 min). Live coding with some tasks requiring AI and others not.🗣 Experience &amp; culture interview (60 min). Conversational exploration of the skills fit.😇 Reference checks. We’ll reach out to 3-5 references that you provide.📃 Offer. If it’s mutual, we move fast.<h2>How to Apply:</h2>Submit your resume, link to your portfolio, and answer the questions on the application.

Software Engineer

Full-stack engineer with TypeScript/JavaScript, frontend (React/Vue/Svelte), backend APIs (FastAPI), and MongoDB; ability to work across frontend, backend, and data collaboration.

<h2>About Gray Swan</h2>Gray Swan protects organizations from emerging AI security threats. We build real-time threat detection, automated validation, and adaptive defenses for AI labs and enterprises. We’re a team of ~25 people, well-funded, and growing fast.We have strong traction and globally recognized customers, which means employees here take on real responsibility and meaningful equity from day one. This is a high-ownership environment where you’ll work on hard problems, move quickly, and help shape both the product and the company.Many people join Gray Swan because our mission matters. We’re doing practical, high-impact work in AI safety, that sense of purpose is a core reason why engineers and researchers choose us.<a target="_blank" rel="noopener noreferrer nofollow" href="https://www.grayswan.ai/about">Learn more about how we work</a>.<h2>The Role</h2>We’re looking for a software engineer who wants to build things end to end and doesn’t mind getting their hands dirty. You’ll work across the stack—frontend, backend APIs, and databases—helping us turn ideas into real product and improve what’s already in production.You don’t need to have used every tool we use. What matters is that you have solid full-stack experience, pick up new technologies quickly, and are comfortable owning work without a lot of process or hand-holding. We are still in the early stages of our growth, so if you like autonomy, responsibility, and moving fast, then please apply for this opportunity!<h2>What You’ll Do:</h2><ul style="min-height:1.5em"><li>Design and develop web applications using modern frontend frameworks like Svelte</li><li>Build intuitive and user-friendly interfaces that delight users</li><li>Develop and maintain backend APIs using tools like FastAPI</li><li>Manage and optimize database systems like MongoDB</li><li>Collaborate with our ML research team to integrate AI experiences into our products</li></ul><h2>Who You Are:</h2><ul style="min-height:1.5em"><li>Proficiency in TypeScript or JavaScript</li><li>Experience with frontend frameworks such as React, Vue, or Svelte</li><li>Solid understanding of HTML and CSS</li><li>Hands-on experience building backend APIs</li><li>Knowledge of database systems (SQL or NoSQL; MongoDB is a plus)</li></ul><h2>Bonus Points If You Have:</h2><ul style="min-height:1.5em"><li>SvelteKit experience</li><li>Python proficiency and AI/ML framework exposure</li><li>Experience in creating AI-driven applications</li><li>Experience deploying and scaling applications on cloud platforms (e.g., AWS, Google Cloud, Azure)</li><li>Familiarity with CI/CD pipelines and DevOps practices to streamline development workflows</li><li>Knowledge of secure coding practices and mitigating vulnerabilities in web applications</li><li>Contributions to open-source projects or an active GitHub/portfolio showcasing relevant work</li><li>Experience with testing frameworks (e.g., Jest, Playwright) to ensure code quality</li><li>Understanding of AI safety principles or ethical considerations in AI systems</li></ul>If you don’t have 100% of these, you should still seriously consider applying. We care more about what you can do than your credentials.<h2>You’ll Thrive Here If You:</h2><ul style="min-height:1.5em"><li>You've learned things about your code only production traffic can teach</li><li>You're comfortable debugging across the stack – from browser devtools to database query plans.</li><li>You've worked in environments where moving fast matters and you know how to balance speed with sustainability.</li><li>You're interested in applying your security mindset to AI, where the threat model is still being written</li></ul><h2>What We Offer:</h2>We offer a competitive compensation package designed to reward impact and incentivize growth. Our compensation philosophy is informed by our current valuation and recent industry data.Compensation: $146,039-$210,900 + a competitive equity package in a startup with real revenue and globally recognized customersBenefits:<ul style="min-height:1.5em"><li>401k with up to 4% matching</li><li>28 days annual leave (vacation + holidays)</li><li>Health, dental, and vision coverage</li><li>Catered lunches (Pittsburgh office)</li><li>Flexible work arrangements</li><li>Visa sponsorship available for exceptional candidates</li></ul><h2>Interview Process</h2>🔎 Application review. We read everything; we’ll respond within 10 days.✏️ Online technical screen (15 min). Complete a simple, job-relevant exercise.🗣 Intro call (30 min). We learn about you; you learn about us.🧑‍💻 Technical interview (90 min). Live coding with some tasks requiring AI and others not.🗣 Experience &amp; culture interview (60 min). Conversational exploration of the skills fit.😇 Reference checks. We’ll reach out to 3-5 references that you provide.📃 Offer. If it’s mutual, we move fast.<h2>How to Apply</h2>Submit your resume, link to your portfolio, and answer the questions on the application.

Senior Software Engineer (Pittsburgh)

Senior Software Engineer

Full-stack software engineering with experience across frontend, backend, and databases; strong TypeScript/JavaScript skills; experience with Svelte/React/Vue; backend APIs; MongoDB.

<div style="text-align:center;"><img alt="" height="79" src="https://assets.jazz.co/customers/customer_20210429182213_ZYNIDEZ0MGMUFVFL/layout/20260303225515-image-20260303145515-1.png" width="206"></div>&#8203;<div style="text-align:center;"><img alt="" height="1" src="https://assets.jazz.co/customers/customer_20210429182213_ZYNIDEZ0MGMUFVFL/layout/20260303225515-image-20260303145515-2.png" width="1"><img alt="" height="23" src="https://assets.jazz.co/customers/customer_20210429182213_ZYNIDEZ0MGMUFVFL/layout/20260303225515-image-20260303145515-3.png" width="23">&#8203;The best CMMS for healthcare maintenance professionals.<img alt="" height="1" src="https://assets.jazz.co/customers/customer_20210429182213_ZYNIDEZ0MGMUFVFL/layout/20260303225515-image-20260303145515-4.png" width="1"><img alt="" height="23" src="https://assets.jazz.co/customers/customer_20210429182213_ZYNIDEZ0MGMUFVFL/layout/20260303225515-image-20260303145515-5.png" width="23">&#8203;&#8203;&#8203;</div><div style="text-align:center;">Senior Full Stack Software Developer&#160;&#160;</div> About Us: At FSI, you&#8217;ll join a team of passionate professionals dedicated to empowering efficient and safe hospital operations. FSI supports over 400 million ft of hospital space every year to run transformative, intelligent hospital maintenance operations. FSI is the most comprehensive computerized maintenance management software (CMMS) provider for healthcare, and we&#8217;re proud to serve over 1,300 hospitals with some of the largest networks in the country -- including Atrium Health, UPMC, Yale New Haven, SSM Health UNC Health, and many others. We work directly with our customers to build customized modern technology that fits their complex needs. In 2020, FSI received significant investments to grow and expand on the foundation established since the company began in 2002. We believe our most exciting chapter is just beginning, and we&#8217;re looking for talent that wants to make an impact. If you&#8217;re looking for a fast-paced, innovative community with a team focused on collaboration and empowerment through technology, we encourage you to get in touch. Your role: We are seeking a Senior Full Stack Software Developer who will serve as a technical lead for a development squad building and evolving our core product platform. In this role you will drive technical execution and quality across the stack, partner closely with Product and Design, and mentor engineers to deliver reliable customer-facing functionality. You will also help shape and deliver our AI capabilities by building and deploying production-ready agents that integrate into core product workflows. What you will do: &#160;<ul style="margin-bottom:11px;"><li style="margin-bottom:11px;">Lead technical delivery for a squad, including solution design, task decomposition, and day-to-day engineering decisions.&#160;</li></ul><ul style="margin-bottom:11px;"><li style="margin-bottom:11px;">Own end-to-end features in the core product across frontend, backend services, and data layers, with a focus on maintainability and scalability.&#160;</li></ul><ul style="margin-bottom:11px;"><li style="margin-bottom:11px;">Set and uphold engineering standards for code quality, testing, security, and operational readiness.&#160;</li></ul><ul style="margin-bottom:11px;"><li style="margin-bottom:11px;">Provide hands-on development and technical guidance on complex work, including performance, reliability, and architecture trade-offs.&#160;</li></ul><ul style="margin-bottom:11px;"><li style="margin-bottom:11px;">Design, build, and deploy AI agents that support product workflows and internal automation.&#160;</li></ul><ul style="margin-bottom:11px;"><li style="margin-bottom:11px;">Build agents using frameworks such as Semantic Kernel, Agent Framework, or Azure AI Foundry, and integrate them into production applications.&#160;</li></ul><ul style="margin-bottom:11px;"><li style="margin-bottom:11px;">Implement guardrails, monitoring, and evaluation to ensure agent reliability, safety, and measurable outcomes.&#160;</li></ul><ul style="margin-bottom:11px;"><li style="margin-bottom:11px;">Partner with Product, Design, and QA to clarify requirements, manage technical risks, and deliver iterative value.&#160;</li></ul><ul style="margin-bottom:11px;"><li style="margin-bottom:11px;">Mentor and coach engineers through pairing, code reviews, and design reviews; help grow team capability and ownership.&#160;</li></ul><ul style="margin-bottom:11px;"><li style="margin-bottom:11px;">Collaborate with platform and DevOps partners to improve CI/CD, observability, and deployment practices (Azure preferred).&#160;</li></ul>What you&#8217;ll bring to the team:<ul style="margin-bottom:11px;"><li style="margin-bottom:11px;">7+ years of professional software development experience with significant full stack ownership.&#160;</li></ul><ul style="margin-bottom:11px;"><li style="margin-bottom:11px;">Demonstrated experience acting as a technical lead (or equivalent) for a squad or project, including design leadership and mentoring.&#160;</li></ul><ul style="margin-bottom:11px;"><li style="margin-bottom:11px;">Strong backend engineering skills building services and APIs, with attention to security, authentication, and authorization best practices.&#160;</li></ul><ul style="margin-bottom:11px;"><li style="margin-bottom:11px;">Strong frontend engineering skills with modern frameworks such as Angular or React, building responsive and accessible user experiences.&#160;</li></ul><ul style="margin-bottom:11px;"><li style="margin-bottom:11px;">Hands-on experience building and deploying AI agents using Semantic Kernel, Agent Framework, Azure AI Foundry, or similar technologies.&#160;</li></ul><ul style="margin-bottom:11px;"><li style="margin-bottom:11px;">Experience integrating LLMs and AI services into real-world applications, including prompt and tool design, orchestration, and evaluation.&#160;</li></ul><ul style="margin-bottom:11px;"><li style="margin-bottom:11px;">Experience deploying and operating production systems in a cloud environment (Azure preferred), including monitoring and incident response basics.&#160;</li></ul><ul style="margin-bottom:11px;"><li style="margin-bottom:11px;">Ability to communicate technical concepts clearly to both technical and non-technical stakeholders.&#160;</li></ul><ul style="margin-bottom:11px;"><li style="margin-bottom:11px;">Strong&#160;proficiency&#160;with&#160;C#,&#160;SQL,&#160;TypeScript, and&#160;JavaScript.&#160;</li></ul>Preferred Qualifications:<ul style="margin-bottom:11px;"><li style="margin-bottom:11px;">Experience in enterprise SaaS or regulated industries, with an understanding of privacy and compliance considerations.&#160;</li></ul><ul style="margin-bottom:11px;"><li style="margin-bottom:11px;">Experience with event-driven&#160;architectures, messaging, workflow orchestration, or background processing.&#160;</li></ul><ul style="margin-bottom:11px;"><li style="margin-bottom:11px;">Experience with observability and telemetry&#160;tools, and&#160;using data to guide reliability and performance improvements.&#160;</li></ul><ul style="margin-bottom:11px;"><li style="margin-bottom:11px;">Experience building AI-powered user experiences, copilots, or workflow automation in a product context.&#160;</li></ul>Leadership Expectations:&#160;<ul style="margin-bottom:11px;"><li style="margin-bottom:11px;">Be the technical decision maker for the squad while escalating and&#160;aligning on&#160;cross-team architecture where needed.&#160;</li></ul><ul style="margin-bottom:11px;"><li style="margin-bottom:11px;">Create clarity by writing lightweight technical plans, documenting decisions, and keeping implementation aligned to goals.&#160;</li></ul><ul style="margin-bottom:11px;"><li style="margin-bottom:11px;">Raise the bar on engineering excellence through reviews, coaching, and continuous improvement of team practices.&#160;</li></ul><ul style="margin-bottom:11px;"><li style="margin-bottom:11px;">Promote a customer-first mindset by ensuring solutions are usable, reliable, and supportable in production.&#160;</li></ul>Work Location: &#160; Remote (U.S.). Compensation: Compensation for this role will be determined based on relevant experience, qualifications, and work location. The expected salary range is $120,000 to $145,000. Our Values: <ul style="margin-bottom:11px;"><li style="margin-bottom:11px;">Customer inspired. </li><li style="margin-bottom:11px;">Solutions-first. </li><li style="margin-bottom:11px;">One team. </li><li style="margin-bottom:11px;">Impactful experts. </li></ul>We look forward to hearing from you! Don&#8217;t meet all the requirements? We&#8217;re all on a journey to learn constantly and have areas to develop. If you bring some of the above skills to the table and are still developing in others - APPLY ANYWAY! Learning and experience isn&#8217;t a one-way path, if you believe you have the background needed to make an impact in this role, we&#8217;d love to hear from you.&#8203; FSI is an Equal Opportunity Employer: We are committed to fostering a diverse, inclusive environment and to encourage these values in everyone on our team. We provide an environment of mutual respect where opportunities are available without regard to race, color, religion, sex, pregnancy (including childbirth, lactation, and related medical conditions), national origin, age, physical and mental disability, marital status, sexual orientation, gender identity, gender expression, genetic information (including characteristics and testing), military and veteran status, and any other characteristic protected by applicable law. We believe that diversity and inclusion for people from all walks of life are key to our success as a company.&#160;

Senior Full Stack Software Developer

Full Stack Software Developer

Senior full stack engineer with 7+ years, technical lead experience, backend and frontend expertise, AI/agent knowledge preferred.

Frontend Javascript Software Engineer Jobs in Carnegie, PA, US

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