Search Engineer

LexisNexis Risk Solutions; Ciudad de México; Presencial; MXN 563,000 - 940,000; Jornada completa

Descripción de la vacante

A leading technology company is seeking a Senior Software Engineer II to design and optimize high-performance search services. The role involves developing scalable search systems, working with technologies like ElasticSearch and OpenSearch, and mentoring junior engineers. A strong background in Python and Java is required, along with experience in distributed systems.

Servicios

Meal/Grocery Voucher

Formación

• 5+ years of experience in software engineering with a focus on distributed systems or search technologies.
• Strong experience with ElasticSearch or OpenSearch in production environments.
• Familiarity with Kubernetes and EKS deployments.

Responsabilidades

• Design and implement scalable search systems leveraging ElasticSearch/OpenSearch and container orchestration via EKS.
• Develop retrieval-augmented generation (RAG) pipelines that integrate search with generative AI tools.
• Mentor less-experienced engineers and participate in code reviews and technical design discussions.

Conocimientos

Python

Java

ElasticSearch

OpenSearch

Kubernetes

Descripción del empleo

Our team is dedicated to unlocking the rich knowledge embedded within Elsevier’s content through our semantic data platform; this empowers researchers, clinicians, and innovators worldwide to gain new insights, make informed decisions, and accelerate progress across research, healthcare, and life sciences. We lead the ongoing transformation of Elsevier’s vast, unstructured information into richly interconnected knowledge graphs that capture the full depth and nuance of scientific meaning. Through our dynamic knowledge discovery layer, we combine graph-powered agentic AI with advanced vector search to deliver contextually relevant, trustworthy, and precise answers.

As part of the Search Engineering team, you will help build the next generation of retrieval-augmented generation (RAG) capabilities that integrate traditional search with generative AI. The team focuses on improving relevance, retrieval performance, and platform scalability across complex document corpora

About the Role:

We are seeking a Senior Software Engineer II with deep expertise in search infrastructure and modern retrieval systems. You’ll design, build, and optimize high-performance search services using technologies like OpenSearch and ElasticSearch, deployed at scale on EKS. You will contribute to the development of new RAG-based search workflows and ensure our platform delivers fast, relevant, and reliable results.

Responsibilities:

Design and implement scalable search systems leveraging ElasticSearch/OpenSearch and container orchestration via EKS.

Develop retrieval-augmented generation (RAG) pipelines that integrate search with generative AI tools.

Write clean, modular, and testable code in Python and Java.

Diagnose and resolve complex issues across distributed search infrastructure.

Collaborate with cross-functional teams to align engineering efforts with product goals.

Mentor less-experienced engineers and participate in code reviews and technical design discussions.

Support CI/CD pipelines and implement observability for search performance and reliability.

Stay up-to-date on advancements in retrieval models, semantic search, and generative AI integration.

Requirements:

5+ years of experience in software engineering with a focus on distributed systems or search technologies

Expertise in Python and Java

Strong experience with ElasticSearch or OpenSearch in production environments

Familiarity with Kubernetes and EKS deployments

Deep understanding of performance optimization in large-scale search systems

Solid grasp of test-driven development and CI/CD practices

Ability to work independently on complex problems and deliver production-ready code

Comfortable working in Agile or iterative environments

Experience building or integrating RAG pipelinesis a plus.

Familiarity with semantic search, embeddings, or vector databasesis a plus.

Knowledge of logging, alerting, and observability in search infrastructureis a plus

Work in a way that works for you:

We promote a healthy work/life balance across the organisation. We offer an appealing working prospect for our people. With numerous wellbeing initiatives, shared parental leave, study assistance and sabbaticals, we will help you meet your immediate responsibilities and your long-term goals.

This is a hybrid role. Our teams operate in a flexible hybrid work model, combining in-person collaboration with remote flexibility. You’ll be expected to participate in regular team meetings and engineering rituals in line with your team’s cadence.

Working for you:

"We know that your well-being and happiness are key to a long and successful career. These are some of the benefits we are delighted to offer:

● Meal/Grocery Voucher"

About the business:

At Elsevier, you’ll work on systems that underpin some of the world’s most critical research and innovation workflows. Our products and platforms are used by scientists, clinicians, and experts in over 180 countries — and you’ll be part of the team responsible for building the data infrastructure that powers them.

You’ll be supported by a culture that values engineering quality, autonomy, and deep technical exploration. We are actively transforming legacy systems and pioneering modern approaches to data and knowledge representation at scale.

We are committed to providing a fair and accessible hiring process. If you have a disability or other need that requires accommodation or adjustment, please let us know by completing our Applicant Request Support Form or please contact 1-855-833-5120.

Criminals may pose as recruiters asking for money or personal information. We never request money or banking details from job applicants. Learn more about spotting and avoiding scams here .

We are an equal opportunity employer: qualified applicants are considered for and treated during employment without regard to race, color, creed, religion, sex, national origin, citizenship status, disability status, protected veteran status, age, marital status, sexual orientation, gender identity, genetic information, or any other characteristic protected by law.

RELX is a global provider of information-based analytics and decision tools for professional and business customers, enabling them to make better decisions, get better results and be more productive.

Our purpose is to benefit society by developing products that help researchers advance scientific knowledge; doctors and nurses improve the lives of patients; lawyers promote the rule of law and achieve justice and fair results for their clients; businesses and governments prevent fraud; consumers access financial services and get fair prices on insurance; and customers learn about markets and complete transactions.

Our purpose guides our actions beyond the products that we develop. It defines us as a company. Every day across RELX our employees are inspired to undertake initiatives that make unique contributions to society and the communities in which we operate.