Software Engineer II

Are you ready to be a big part of something big?

About the Role:

At Trader Interactive, we're seeking an innovative Software Engineer II to participate in the development of our next-generation search and related API infrastructure. As a key member of our engineering team, you will be responsible for analyzing requirements and implementing robust and scalable search solutions. You'll work closely with cross-functional teams to understand their data needs and translate them into efficient and effective search experiences.

What We Offer

• An inclusive and supportive work environment where you can move your career forward and will have the chance to do work that has real, significant impact on the world.
• The opportunity to be a part of a global group of digital marketplace businesses (CAR Group) located across Australia, Brazil, Chile and South Korea - collectively we have around 1,800 team members worldwide, and our Global Talent Exchange Program means you might just find yourself working in one of those businesses sometime soon.
• Plenty of flexible leave options and employee benefits including up to 31 days of paid time off in your first year, continuing education with access to LinkedIn Learning, a full benefits package including medical, dental & vision, 401K with company match, and wellness program.

What You’ll Do

• Data Pipeline Development: Build and maintain robust data pipelines using DAGs, Apache Airflow and Snowflake to efficiently index and process large datasets.
• Search Query Development: Make use of your keen understanding of Elasticsearch DSL to create queries which allow for multi-dimensional scoring and facetting.
• Query Business Logic Implementation: Implement and refactor modular business logic which allows for the composition of Elasticsearch DSL queries and postprocesses results efficiently.
• Search Optimization: Optimize search performance and relevance through techniques like query tuning, caching, and schema design.
• API Development: Design, develop, and maintain RESTful APIs to expose domain specific search functionality to various clients.
• Observability and Benchmarking: Implement monitoring and logging solutions to track system health and performance. Conduct regular performance benchmarks to identify and address bottlenecks.
• Collaboration: Work closely with product managers and other engineers to understand requirements and deliver solutions that meet business objectives.

What We’re Looking For

• Minimum of 3 years of experience working in high-traffic environments where search functionality is a core feature of the product.

Technical Skills:

• Strong proficiency in PHP/Laravel, Go or C#, JavaScript
• Deep understanding of search technologies like Elasticsearch, Solr, Amazon OpenSearch Service, Bleve Search, or other related search technologies
• Knowledge of data structures, algorithms, and software design patterns
• Familiarity with cloud platforms (e.g., AWS, GCP, Azure)
• Experience with observability tools (e.g., NewRelic, Kibana, Prometheus, Grafana)

Search Expertise:

• Understanding of search algorithms and techniques, including TF-IDF, BM25, and ELSER
• Experience with query pipelines, function score queries, and caching strategies
• Ability to use search aggregations in a multitude of ways to meet business requirements efficiently
• Ability to optimize search performance and relevance

API Development:

• Strong REST API design and development skills
• Experience in optimizing system throughput and resource consumption

Problem-Solving and Analytical Skills:

• Ability to analyze complex problems and propose effective solutions
• Strong problem-solving and debugging skills

Communication Skills:

• Excellent written and verbal communication skills
• Ability to collaborate effectively with cross-functional teams

So come and join our team - because every role is a big role in our plans to go big.

TI proudly supports a diverse workforce, and we encourage candidates from underrepresented groups to apply. Trader Interactive is an equal opportunity employer where hiring is based entirely on business needs, job requirements, and individual merit.