Comcast

Lead Software Engineer-0773

Comcast$130K — $160K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science, Engineering, or related field; foreign equivalent accepted
  • 7 years of experience in software development for ad tech systems
  • Expertise in ad-serving data indexing, algorithms, and audience targeting
  • Proficient in optimizing both relational and NoSQL databases
  • 5 years of experience with cloud-native tools and AWS services
  • Skilled in architecting and developing C++ applications on Linux
  • Familiarity with monitoring tools like Prometheus, Grafana, and ELK stack

Responsibilities

  • Provide technical leadership in software and web application development
  • Design and optimize ad tech systems including data indexing and selection algorithms
  • Enhance performance of MySQL and NoSQL databases through effective schema design
  • Diagnose and optimize performance issues using profiling tools and benchmarks
  • Architect and develop scalable C++ applications for high-throughput workloads
  • Collaborate with SRE/DevOps teams on system instrumentation
  • Guide and mentor junior engineers in technical skills and project execution

Benefits

  • Remote work eligibility one or more days per week
  • Collaborative environment with project stakeholders
  • Opportunities for professional development and mentoring
  • Access to cloud-native technology and innovative tools
  • Engagement in cutting-edge ad tech solutions
Full Job Description
Job Summary

Job Description

DUTIES: Provide technical leadership in designing and developing new software and web applications; work on ad tech systems, covering ad-serving data indexing engines, ad selection algorithms, and audience targeting pipelines; optimize relational (MySQL, Aurora) and NoSQL (Aerospike, DynamoDB, ETCD, Neo4J, RocksDB) databases through thoughtful schema design, efficient query crafting, and cache fine-tuning; leverage profiling tools (sanitizer, perf and gprof), along with custom benchmarks and tracing, to diagnose and optimize CPU, memory, and I/O performance issues; architect and develop scalable, low-latency C++ applications on Linux, designed to handle high-throughput, high-QPS workloads; architect, implement, and optimize core services across distributed infrastructure, driving improvements in throughput, reliability, and overall system efficiency; use cloud-native tools such as Kubernetes, Docker, and Terraform, alongside key AWS services including ELB, EKS, S3, DynamoDB, and Kinesis; and work with SRE/DevOps teams to instrument systems (Prometheus, Grafana, ELK, Loki stack); support applications under development and customize current applications; assist with the software update process for existing applications, and roll-outs of software releases; analyze, test, and assist with the integration of new applications; document all development activity; research, write, and edit documentation and technical requirements, including software designs, evaluation plans, test results, technical manuals, and formal recommendations and reports; monitor and evaluate competitive applications and products; review literature, patents, and current practices relevant to the solution of assigned projects; collaborate with project stakeholders to identify product and technical requirements; conduct analysis to determine integration needs; work with the Quality Assurance team to determine if applications fit specification and technical requirements; and guide and mentor junior-level engineers. Position is eligible to work remotely one or more days per week, per company policy.

REQUIREMENTS: Bachelor's degree, or foreign equivalent, in Computer Science, Engineering, or related technical field, and seven (7) years of experience developing software for ad tech systems, including ad-serving data indexing engines, ad selection algorithms, and audience targeting pipelines; caching and optimizing relational databases including MySQL and Aurora, and NoSQL databases including Aerospike, DynamoDB, ETCD, Neo4J, and RocksDB; using sanitizer, perf, and gprof profiling tools for performance tuning; architecting and developing scalable, low-latency C++ applications on Linux; performing end to end system design and optimization; of which five (5) years include using cloud-native tools including Kubernetes, Docker, and Terraform, and AWS services including ELB, EKS, S3, DynamoDB, and Kinesis; and monitoring and troubleshooting systems using Prometheus, Grafana, ELK, and Loki stack.

Disclaimer: This information has been designed to indicate the general nature and level of work performed by employees in this role. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications.

Skills
Aerospike Database, Docker (Software), Grafana

Please visit the benefits summary on our careers site for more details.

About Comcast

FreeWheel manages the economics of content for the enterprise class of entertainment, offering technical infrastructure for revenue rights management and business operations, wrapped in advisory services. They offer advertising sales rights, display, video, mobile ad management, contract management, professional content, ad serving, reporting, analytics, technology, services, advisory services, business operations, programmatic advertising, advertising marketplace, and linear, and online advertising.

Comcast Careers

Joining Comcast means becoming part of a dynamic team committed to shaping the future of media and technology. As a leading company in entertainment, communications, and technology, Comcast offers unparalleled job opportunities designed to foster professional growth and innovation. Work You’ll Do At Comcast, you’ll be part of a culture that cherishes diversity, leadership, and innovation. Our team is at the forefront of the industry, leading changes that redefine how people connect and experience content across the globe. Transform your career with a company that is committed to your professional development. Comcast offers a variety of positions across multiple fields, where your skills will be honed for leadership roles and your career aspirations supported by comprehensive training programs. Join Our Leading Team Be part of a team that values creativity and diversity. Comcast’s commitment to inclusive culture and diversity training ensures that every team member’s voice is heard and valued. This approach not only enhances our work environment but also drives our leadership in the competitive tech industry. Innovate with Us Engage in work that matters with a team of over 100,000 employees worldwide. At Comcast, innovation isn’t just another buzzword—it's at the core of everything we do. From developing groundbreaking technology to reimagining how our customers experience entertainment and communication, your work will influence millions. Internship and Employment Opportunities Start your career with a Comcast internship, where you’ll gain invaluable industry experience, network with professionals, and develop skills that will benefit you throughout your career. For those seeking full-time positions, Comcast’s hiring process is designed to find not just the right skills but the right fit for our culture of growth and innovation. Benefits and Growth Comcast is dedicated to the well-being and advancement of our team members. Enjoy a wealth of benefits that support both your professional and personal life, including health, wellness, and retirement plans. Our employees are encouraged to pursue continuous growth through professional development opportunities and leadership training. Stay Connected Join the Comcast Team Explore job opportunities that match your skills and interests. We are always looking for passionate, curious, and solution-driven team players. Search Comcast jobs today and find out where your career could take you. Keep Up to Date Stay ahead with career tips, insider perspectives, and industry-leading insights you can put to use today—all from the people who work here. Read Careers Blog Job Alert Emails Customize your subscription to receive job alerts, latest news, and insider tips tailored to your preferences. Discover the exciting and rewarding career opportunities that await at Comcast. By joining Comcast, you’re not just finding a job—you’re joining a community of innovators who are passionate about creating extraordinary experiences for our customers and for each other.
Learn more about Comcast
Size
31,000 employees
Market Cap
$149.9 billion
Industry
Net Income
$10.5 billion
Founded
1963
5 Year Trend
+7.6%
Revenue
$103.5 billion
NASDAQ

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