Pittsburgh, Pennsylvania, United States · On-site
$183k–$247k/yr
Our mission at Duolingo is to develop the best education in the world and make it universally available. It’s a big mission, and that’s where you come in! At Duolingo, you’ll join a team that cares about finding innovati…
Skills: Java, Python, Kotlin, Backend development, Systems thinking
Pittsburgh, Pennsylvania, United States · Remote Solely
$140k–$200k/yr
The mission of Speechify is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news artic…
Skills: Backend development, TypeScript, Node.js, GCP, API design
Pittsburgh, Pennsylvania, United States · Hybrid
Voyager is an innovative space, defense, and national security technology company committed to advancing and delivering transformative, mission-critical solutions. We tackle the most complex challenges to unlock new fron…
Skills: Wiring harness design, Solidworks, Solidworks Electrical, Voltage drop analysis, Bend radii checks
Pittsburgh, Pennsylvania, United States · Remote OK
$140k–$200k/yr
Mission Speechify is the easiest way to listen to the world’s information. Articles on the web, documents in the cloud, books on your phone. We absorb it all and let you listen to it at your desk, on the go, at your own …
Skills: Kotlin, Kotlin Multiplatform, Java, GCP, Systems thinking
Pittsburgh, Pennsylvania, United States · On-site
POSITION SUMMARY Are you looking for more than just a job? Join Matthews International, a company with over 175 years of success and stability. As a global leader in memorialization, we take pride in our craftsmanship an…
Skills: Mechanical troubleshooting, Equipment maintenance, Equipment installation, Technical documentation, Commissioning
Pittsburgh, Pennsylvania, United States · On-site
$85k–$105k/yr
About Us Larson Design Group (LDG) is an award-winning, employee-owned Architecture, Engineering, and Consulting Firm. Guided by our core values, we’re expanding our team, opening new offices, and adding new offerings to…
Skills: Environmental management, Wetlands, Phase 1 environmental site assessments, Hazardous waste remediation, Arcgis
San Francisco, California, United States · On-site
$126k–$189k/yr
Location: (RSBU) San Francisco Job ID: R0140347 Date Posted: 2026-08-12 Company Name: HITACHI RAIL STS USA, INC. Profession (Job Category): Engineering & Science Job Schedule: Full time Remote: No About Us A career at Hi…
Skills: Cable Routing, Installation Engineering, Railway Infrastructure, AutoCAD, Bluebeam
Pittsburgh, Pennsylvania, United States · On-site
POSITION SUMMARY Are you looking for more than just a job? Join Matthews International, a company with over 175 years of success and stability. As a global leader in memorialization, we take pride in our craftsmanship an…
Skills: Mechanical troubleshooting, Equipment maintenance, Hardware repair, Technical documentation, Commissioning
Pittsburgh, Pennsylvania, United States · On-site
$67k–$85k/yr
Mission Summary: The Autonomous Vehicle (AV) Test Engineering team is responsible for validating the safety, functionality, and performance of self-driving technology through rigorous, system-level testing. As an Associa…
Skills: Autonomous vehicle testing, System-level troubleshooting, Linux, Python, Bash
Pittsburgh, Pennsylvania, United States · Hybrid
$109k–$142k/yr
Mission Summary: Reporting to the Sr. Director, Procurement, the Strategic Sourcing Manager plays a critical role in the development of Motional's self-driving vehicle hardware. The candidate will manage the sourcing str…
Skills: Strategic sourcing, Procurement, Supply chain management, Vendor management, Contract negotiation
Pittsburgh, Pennsylvania, United States · Hybrid
UPMC is looking for a Data Communication Specialist Senior to join their team. This position is Hybrid and will be on-site four to five days per week however at times will allow opportunities to work from home. Descripti…
Skills: Network troubleshooting, LAN, WAN, WLAN, Cabling
Pittsburgh, Pennsylvania, United States · On-site
Job Description: Manufacturing Assembly Technician Job Title: Manufacturing Assembly Technician (Electronics/Cable Assembly) Department: Production/Manufacturing Reports To: Production Supervisor Employment Type: Tempora…
Skills: Electronics assembly, Soldering, Cable fabrication, Harness fabrication, Technical drawing interpretation
Pittsburgh, Pennsylvania, United States · On-site
$182k–$272k/yr
Our mission at Duolingo is to develop the best education in the world and make it universally available. It’s a big mission, and that’s where you come in! At Duolingo, you’ll join a team that cares about finding innovati…
Skills: Technical program management, Cross-functional leadership, Strategic planning, Stakeholder management, Risk mitigation
Pittsburgh, Pennsylvania, United States · Hybrid
Jacobian is redefining diagnostic imaging. Formed by the merger of Smart Reporting - a pioneer in standardized, AI-driven clinical reporting - and Fluency for Imaging, the best-in-class radiology speech recognition platf…
Skills: Product ownership, Agile methodology, Product management, Radiology IT, Medical imaging
Pittsburgh, Pennsylvania, United States · On-site
Latitude AI (lat.ai) is building the future of Ford’s autonomy roadmap to make travel safer, less stressful, and more enjoyable for everyone. Bringing this vision to scale, our fully in-house developed hands-free ADAS pl…
Skills: Automotive repair, Vehicle diagnostics, Wiring systems, Harness installation, Fleet maintenance
Pittsburgh, Pennsylvania, United States · On-site
$204k–$306k/yr
Our mission at Duolingo is to develop the best education in the world and make it universally available. It’s a big mission, and that’s where you come in! At Duolingo, you’ll join a team that cares about finding innovati…
Skills: Engineering management, Product strategy, People management, Technical leadership, Data-driven decision making
Pittsburgh, Pennsylvania, United States · On-site
We are looking for Summer 2027 Interns! Fay, S&B USA Construction builds complex infrastructure across the Mid-Atlantic such as major bridges, tunnels, highways, and P3 programs that demand technical depth and strong fie…
Skills: Environmental Health and Safety, Safety Assessments, Safety Training, Incident Investigation, Field Leadership
Pittsburgh, Pennsylvania, United States · Hybrid
Careers at Keel Keel Infrastructure is a publicly traded energy and digital infrastructure company that develops and owns data centers and power assets across North America. At Keel, you’re not just joining a company, yo…
Skills: Primavera P6, Project controls, CPM scheduling, Capital construction, Data center design
Pittsburgh, Pennsylvania, United States · Hybrid
$165k–$205k/yr
Careers at Keel Keel Infrastructure is a publicly traded energy and digital infrastructure company that develops and owns data centers and power assets across North America. At Keel, you’re not just joining a company, yo…
Skills: Cost management, Quantity surveying, Project controls, Budgeting, Estimating
McKim & Creed, Inc.Pittsburgh, Pennsylvania, United States · On-site
McKim & Creed is a unique, employee-owned firm. First and foremost, we value people. This means we not only hire great talent, we’ve also created an environment where each individual can grow, flourish and apply in…
Skills: Electrical engineering, Autocad, Ms word, Ms excel, Ms powerpoint
Sign up with Clera and we'll reach out the moment a role actually fits you — no more spraying applications into the void.
You will develop, release, and maintain backend services and infrastructure while collaborating on software projects across product and design teams. Additionally, you will lead individual project priorities and milestones to ensure consistent delivery of high-quality features.
Candidates must have a Bachelor's degree in Computer Science or a related field and strong competencies in data structures, algorithms, and software design. Proficiency in Java, Python, or Kotlin and experience with database technologies are required.
Our mission at Duolingo is to develop the best education in the world and make it universally available. It’s a big mission, and that’s where you come in!
At Duolingo, you’ll join a team that cares about finding innovative solutions to complex technical problems, running countless experiments (300+ at a time!) with our massive user base to make data-driven decisions, and educating our users and employees alike. You’ll have limitless learning opportunities, mentorship and collaboration with world-class minds, and a variety of projects with large scopes — while doing work that’s both fun and meaningful.
Join our life-changing mission to develop education for our half a billion (and growing!) learners around the world.
We’re looking for backend engineers who have experience building and operating reliable, scalable systems. Your background may be in product engineering, infrastructure, platform engineering, or a combination of these. What matters most is strong backend fundamentals, sound systems thinking, and the ability to take ownership of complex technical problems from design through production.
Duolingo's Monetization pillar builds the systems that fund our mission — from subscription packaging and advertising to ML-powered personalization. As a Backend Engineer on the Ads team, you'll work on a product engineering team responsible for growing and scaling Duolingo's ads business: high-quality ads that delight learners, fit seamlessly into the product experience, and meaningfully contribute to our bottom line. The team owns ad serving, mediation and demand, in-product ad formats and surfaces, and more. You'll work cross-functionally with product, design, data science, machine learning, and ad operations.
The offered salary is dependent upon several factors, including work experience, skills, and internal peer comparisons. The posted range is subject to change in the future. For this role, base salary is supplemented by equity compensation. We encourage you to talk with your recruiter for more information related to compensation for this role!
Benefits: Take a peek at how we care for our employees' holistic well-being with our benefits here.
Job Alerts: Sign up for job alerts here.
Accommodations: We will do everything we can within reason to make sure that your interview takes place in an environment that fairly and accurately assesses your skills. If you need assistance or accommodation, please contact [email protected].
Equal Employment Opportunity: Duolingo is proud to be an Equal Employment Opportunity employer. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.
Fraud Warning: Unfortunately, there is a rise in scammers pretending to be real Duolingo employees. Duolingo and our employees will never ask for your Social Security number, bank details, or passport info, and we’ll never ask you to deposit a check, purchase equipment, or exchange money during the interview process. Real Duolingo employees always use an email that ends in @duolingo.com or @recruiting.duolingo.com. Stay alert and double-check these details before sharing any information.
By applying for this position your data will be processed as per the Duolingo Applicant Privacy Notice.
Duolingo is the world's most popular way to learn a language.
Duolingo is the most downloaded education app in the history of the App Store. Our mission is to develop the best education in the world and make it universally available. Learning a new language is hard, but staying motivated is often the hardest part. That’s why we use fun, bite-sized, game-like lessons designed to keep you engaged and to drive real learning outcomes. Our approach is grounded in efficacy: we continuously test and improve our methods to ensure learners make meaningful progress. We also believe in democratizing education by offering an effective, high-quality free product. Developing a great free product is essential to our mission, ensuring that anyone with a smartphone can access learning that works. When it comes to utilizing AI tools, we have a golden rule: we use it when it clearly improves outcomes for learners. We don’t use it as a shortcut or a replacement for people, but as a tool to enhance learning experiences and efficacy. Duolingo has been named to: Fast Company’s Most Innovative Education Company (2026, 2022), Apple Design Award (2023), TIME100 Most Influential Companies (2023), Fast Company Best Workplaces for Innovators (2022), among others.
Offices: 5900 Penn Avenue, Pittsburgh, PA 15206, US · 150 Greenwich St, New York, NY 10007, US · 1525 11th Ave, Seattle, Washington 98122, US · East Gongxiao Building, 28 Guandongdian Street, Beijing, Chaoyang 100001, CN
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