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X Corp.

Sr Software Engineer - X Developer Platform

Sorry, this job was removed at 08:13 p.m. (EST) on Monday, Aug 18, 2025
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In-Office
New York, NY, USA
162K-260K Annually
In-Office
New York, NY, USA
162K-260K Annually

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Role: Sr. Software Engineer - X Developer Platform
Location: Palo Alto & New York
Salary Range: $162,000 USD - $260,000 + Equity

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Who We Are

X Developer Platform is responsible for the partner ecosystem of B2B and B2C developers that build solutions using X’s extensive API set. With more than 500 million active users and billions of tweets per week, X offers robust, real-time and historical data, insights and engagement opportunities across a wide range of organizations and industries. Our API gives you the ability to learn from and engage with the conversation on X and we supply developers to further uncover, build on, and share the value of this conversation with the world. 

Our mission broadly is to achieve the state of X Everything app and be the clear digital townsquare of Earth. We make our ever-expanding universe of social media data available via our extensive API suite with consistent and reliable architecture so the world can realize the full potential of this amazing stream of information. If you're interested in building products that customers use daily to make key business decisions, resolve their own customers’ concerns, and drive groundbreaking research. Our team helps collect, process, enrich and deliver hundreds of billions of signals a day through the X API platform. Our products are highly available, scalable, optimized, respectful of X's user base, and truly essential for our customers who build their businesses on X data. We work closely with our Product and Business orgs,  alongside our customers to make sure we build the right products at the right time.

X Developer API Products Include:

  • Real time streaming access to X data

  • Historical access to archived X data

  • Insight into X engagement data 

  • Enrichments on X objects derived from the latest machine learning technologies

  • Flexible access to aggregate data

  • End to end developer experience

What You’ll Do:

  • Collaborate with engineering, product leadership, business leadership, and engineers across the company.

  • Maintain existing stack and build new API products based on native changes and exciting new features on the X platform. 

  • Craft elegant and streamlined solutions to solve problems and fix bugs.

  • Help drive the direction of our growing architecture. 

Who You Are:

  • You have a strong desire to ship incredible products with a fast paced engineering team

  • You want to help build and architect APIs that work with tremendous scale and make it easy for data partners to build new products that enable more innovation.

  • You're smart and you love to build systems with purpose that are well tested and flexible.

  • You wish to tackle hard product and engineering challenges while working alongside smart and exceptional people with similar skill sets. 

  • You like to take on complex problems, learn quickly, and persist towards a good solution

  • You're excited to ramp up on new technologies to build awesome things with us!

  • You have a disciplined approach to writing unit and integration tests

  • You are not afraid to make mistakes for team in order to achieve a higher outcome

  • You have experience working with big data processing (Hadoop, Storm, Scalding, Kafka etc) and NoSQL databases.



Requirements:

  • MS or BS in Computer Science

  • 5+ years of industry experience working on commercial software application or services 

  • Strong Industry experience with Scala (ideally) or JVM-based programming language

  • Distributed Systems experience (Kafka experience is a plus)

  • Experience working with RPC frameworks (like thrift) and microservices

  • Understanding of core CS concepts, such as, common data structures and algorithms

  • Experience with front-end development technologies (e.g., HTML, CSS, JavaScript

  • Experience with cloud platforms and services (e.g., AWS, Azure, Google Cloud)

What you need to know about the NYC Tech Scene

As the undisputed financial capital of the world, New York City is an epicenter of startup funding activity. The city has a thriving fintech scene and is a major player in verticals ranging from AI to biotech, cybersecurity and digital media. It also has universities like NYU, Columbia and Cornell Tech attracting students and researchers from across the globe, providing the ecosystem with a constant influx of world-class talent. And its East Coast location and three international airports make it a perfect spot for European companies establishing a foothold in the United States.

Key Facts About NYC Tech

  • Number of Tech Workers: 549,200; 6% of overall workforce (2024 CompTIA survey)
  • Major Tech Employers: Capgemini, Bloomberg, IBM, Spotify
  • Key Industries: Artificial intelligence, Fintech
  • Funding Landscape: $25.5 billion in venture capital funding in 2024 (Pitchbook)
  • Notable Investors: Greycroft, Thrive Capital, Union Square Ventures, FirstMark Capital, Tiger Global Management, Tribeca Venture Partners, Insight Partners, Two Sigma Ventures
  • Research Centers and Universities: Columbia University, New York University, Fordham University, CUNY, AI Now Institute, Flatiron Institute, C.N. Yang Institute for Theoretical Physics, NASA Space Radiation Laboratory

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