Senior Software Engineer

DomainTools; Chicago (IL); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Medical Insurance

Dental Insurance

Vision Insurance

401k with company matching

Paid time off (PTO)

Well-being benefits

Job summary

DomainTools is seeking a Senior Software Engineer to join our Engineering Team in Chicago. You will design and maintain web-scale data systems, lead technical initiatives, and mentor junior engineers while collaborating across multiple teams on cloud-native infrastructure.

You’ll apply expertise in Python, Rust, GoLang, AWS, Docker, and Kubernetes to accelerate productivity and deliver high-impact results in a security-focused environment.

Qualifications

• 5+ years of professional development experience with Python, GoLang, Rust or equivalent languages; Rust and Python highly valued.
• 3+ years of experience with cloud infrastructure (AWS, Docker, Kubernetes).
• 3+ years of web-scale data engineering with OpenSearch, PostgreSQL, CockroachDB and Spark.
• 3+ years of professional experience with Kafka.
• 5+ years of experience with Linux/Unix environments.
• Excellent written and verbal communication skills; strong coordination across teams.
• Positive attitude, interpersonal skills, and enjoyment of mentoring teammates.
• Commitment to delivering high-quality results and continuous learning, especially in security space.

Responsibilities

• Design, code and maintain web-scale data systems.
• Discover, analyze and validate new data sets to add value for customers.
• Tackle complex system challenges with creative problem solving.
• Research, prove and apply cutting-edge techniques and technologies.
• Provide accurate scope, estimates for time, capacity, and costs of projects.
• Improve engineering productivity and reduce operational toil; increase consistency.
• Provide code reviews, design feedback, demos, and documentation.
• Offer technical leadership and mentor junior engineers.

Skills

Python

GoLang

Rust

AWS

Docker

Kubernetes

OpenSearch

PostgreSQL

CockroachDB

Spark

Kafka

Linux/Unix

Education

Bachelor’s degree in Computer Science or related field

Tools

CI/CD

ElasticSearch

NATS

Apache Airflow

Job description

DomainTools is hiring a Senior Software Engineer to join our Engineering Team. This role is perfect for a creative problem-solver with deep expertise in large-scale data engineering and a passion for technical leadership and continuous improvement. You'll be a key technical collaborator, not only designing and maintaining complex systems but also accelerating engineering productivity and mentoring the next generation of engineers.

We are looking for someone with a strong background in Python, Rust, GoLang, and cloud infrastructure (AWS, Docker, Kubernetes) who is eager to take on big challenges and deliver high-quality, impactful results.

Job Responsibilities

• Design, code and maintain web-scale data systems
• Discover, analyze and validate new data sets to add value for our customers
• Creative problem solving to necessarily complex systems
• Research, prove and employ cutting edge techniques & technologies
• Provide accurate, scope, estimates for time, capacity & costs of projects
• Improve the lives of your coworkers by accelerating engineering productivity, reducing operational toil and increasing consistency
• Provide code reviews, design feedback, demos, technical requirements & documentation
• Provide technical leadership, assist in on-boarding & mentoring of junior engineers

Requirements

• 5+ years of professional development experience with Python, GoLang, Rust or equivalent languages. Expertise in Rust and Python is highly valued.
• 3+ years of experience with cloud infrastructure, specifically AWS, Docker, and Kubernetes.
• 3+ years of experience with web-scale data engineering, leveraging data stores such as OpenSearch, Postgres (or PSQL), CockroachDB and Spark.
• 3+ years of professional experience with Kafka.
• 5+ years of experience working with Linux/Unix environments.
• Excellent written and verbal communication skills.
• Proven ability to coordinate effectively between multiple teams.
• A positive attitude, strong interpersonal skills, and a genuine enjoyment of collaborating with, mentoring and assisting teammates.
• Exceptional attention to detail and a commitment to delivering high-quality results.
• Demonstrated history of high initiative and productivity that consistently adds value.
• A proactive attitude towards continuous learning, particularly in unfamiliar domains.
• Excited and passionate about working within the security space.

Pluses

• Bachelor's degree or higher in Computer Science/related field or equivalent experience
• Design, implementation and/or maintenance of CICD & microservices
• Experience with Data Pipelines such as ElasticSearch, NATS or Apache Airflow
• Experience with data mining or machine learning techniques
• Experience with text codec, encoding & web protocols
• Bash, Scala, C, or Hive development experience
• Experience with full stack development

Benefits

DomainTools is the global leader for Internet intelligence and the first place security practitioners go when they need to know. The world's most advanced security teams use our solutions to identify external risks, investigate threats, and proactively protect their organizations in a constantly evolving threat landscape. DomainTools constantly monitors the Internet and brings together the most comprehensive and trusted domain website and DNS data to provide immediate context and machine-learning driven risk analytics delivered in near real-time.

DomainTools offers a comprehensive benefits package to our employees that includes fully paid medical, dental and vision insurance premiums, a 401k retirement plan with company matching, basic life insurance, flexible PTO and additional well-being benefits.

DomainTools embraces diversity, equity and inclusion to its fullest as an equal opportunity employer. We build our teams so creativity and innovation can flourish. We believe inclusivity and equity fosters innovation and growth, and we harness this mindset to drive a culture that serves our employees and our customers. We encourage people of all backgrounds, ages, perspectives and skill sets to apply; and do not discriminate based on age, religion, color, national origin, gender, sexual orientation, gender identity, marital status, veteran status, disability or any other characteristic protected by law.