CrawlJobs Logo

Senior Backend Engineer - Search

United States, San Mateo 130000.00 - 280000.00 USD / Year · Job Posted January 06, 2026
Apply Position
Job Link Share

Job Description

As a member of our Computer Vision team, you will collect and analyze visual and non-visual data to create and train models that can be deployed to alert customers to situations of interest. If the thought of modernizing an old industry while making the world a more secure place appeals to you, we want to hear from you.

Job Responsibility

  • Collect and analyze visual and non-visual data to create and train models that can be deployed to alert customers to situations of interest
  • Build scalable backend systems that can support indexing hundreds of millions of image data every day
  • Build scalable backend systems for recognizing objects and hundreds of millions of images every day

Requirements

  • Bachelor's Degree in Computer Science, preferably with industry experience
  • 3+ years of industry software engineering experience
  • Mastery of at least one common server programming language
  • Mastery of scalable backend design, including databases, queues and blob storage
  • Experience working in an agile team software development environment
  • Must be willing and able to work onsite five days per week

What we offer

  • Healthcare programs that can be tailored to meet the personal health and financial well-being needs - Premiums are 100% covered for the employee under at least one plan and 80% for family premiums under all plans
  • Nationwide medical, vision and dental coverage
  • Health Saving Account (HSA) with annual employer contributions and Flexible Spending Account (FSA) with tax saving options
  • Expanded mental health support
  • Paid parental leave policy & fertility benefits
  • Time off to relax and recharge through our paid holidays, firmwide extended holidays, flexible PTO and personal sick time
  • Professional development stipend
  • Fertility Stipend
  • Wellness/fitness benefits
  • Healthy lunches provided daily
  • Commuter benefits

Looking for more opportunities?

Search for other job offers that match your skills and interests.

Similar Jobs for

Senior Backend Engineer - Search

8 matching positions

New

Senior Backend Engineer (Search Team)

LumApps is now more than just an Employee Experience Platform — it is an AI-powe...
Location
Location
France , Lyon
Salary
Salary:
Not provided
lumapps.com Logo
LumApps
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5 years of significant experience in Backend development, including experience with Elasticsearch
  • Initial solid experience with Python and Go
  • Ability to adapt in a fast-evolving environment, with a continuous improvement mindset and a willingness to learn from mistakes
  • Established working habits and openness to sharing and promoting them within the team
  • Familiarity with modern development practices (testing, code reviews, CI/CD, version control, etc.)
  • Knowledge for search relevance
  • Strong written and spoken English skills
Job Responsibility
Job Responsibility
  • Defining features Designing APIs and the underlying data model Implementing business logic for various functionalities
  • Acting as a proactive partner for API consumers, especially our web and mobile applications
  • Optimization
  • Working closely with other team members (pair programming, design discussions, technical decision-making, Scrum ceremonies)
What we offer
What we offer
  • Hybrid work model – 2 days at the office, 3 days remote
  • RTT days – ~10 extra days off per year
  • Meal vouchers (SWILE) + free snacks & coffee
  • Yoga classes
  • Supportive parental leave and family moments
  • Health insurance (ALAN) – 60% covered + full life & disability cover
  • Afterworks, team celebrations & seasonal parties
  • Equipment of your choice
  • French & English lessons, professional development & access to Leeto CSE
  • Fulltime
Read More
Arrow Right

Senior Software Engineer II - Backend - AI Search

AI is one of the fastest growing product areas in Seismic. We believe that AI, p...
Location
Location
India , Hyderabad
Salary
Salary:
Not provided
seismic.com Logo
Seismic
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 7+ years of experience in software engineering and a proven track record of building and scaling microservices and working with data retrieval systems
  • 5+ Experience with C# and .NET, unit testing, object-oriented programming, and web services
  • 3+ Experience with Python, with the ability to work concurrently on Python and .NET repositories
  • 3+ Experience with Redis, including expertise in managing large-scale Redis clusters
  • 2+ Experience with PostgreSQL, including maintaining and performing tuning
  • Proficient in Test Driven Development (TDD) with hands-on experience using xUnit and Postman to develop automation test scripts
  • Experience with Infrastructure as Code (Terraform, Pulumi, etc.)
  • Experience with Event driven architectures with tools like Kafka
  • Experienced in container technologies such as Docker and proficient in microservice frameworks like Kubernetes (K8s)
  • Experienced in Continuous Integration and Continuous Deployment (CI/CD) with expertise in developing Jenkins pipelines using Scala
Job Responsibility
Job Responsibility
  • Design, develop, and maintain backend systems and services for search functionality, ensuring high performance, scalability, and reliability
  • Implement and optimize search and AI-driven semantic algorithms, indexing, and information retrieval techniques to enhance search accuracy and efficiency
  • Collaborate with data scientists, AI engineers, and product teams to integrate AI-driven search capabilities across the Seismic platform
  • Monitor and optimize search performance, addressing bottlenecks and ensuring low-latency query responses
  • Provide technical guidance and mentorship to junior engineers, promoting best practices in search backend development
  • Work closely with cross-functional and geographically distributed teams, including product managers, frontend engineers, and UX designers, to deliver seamless and intuitive search experiences
  • Stay updated with the latest trends and advancements in search technologies, conducting research and experimentation to drive innovation
  • Fulltime
Read More
Arrow Right

Senior Search Engineer - Search and Browse Core

Join the Search Retrieval Team, the engine driving product and content discovery...
Location
Location
Germany , Berlin
Salary
Salary:
Not provided
zalando.se Logo
Zalando Sverige
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Deep Search Expertise: Extensive experience building large-scale, preferably e-commerce, search engines. While our stack is built on Elasticsearch, we highly value equivalent expertise in Lucene, OpenSearch, Solr, or other distributed search systems.
  • Real-Time Data Pipeline Experience: Proven ability to design and build high-throughput data ingestion pipelines using Kafka and/or Flink or equivalent stream-processing frameworks.
  • Strong Backend Foundation: High proficiency in a JVM language (Java, Kotlin, or Scala) and a deep understanding of distributed systems architecture, concurrency, and performance optimization.
  • Cross-Functional Collaboration: Excellent communication skills. You thrive when working closely with fellow engineers, applied scientists, and product partners, and you possess a knack for translating complex product requirements into reusable, reliable platform capabilities.
Job Responsibility
Job Responsibility
  • Architect the Future of Search: Lead the design and implementation of our next-generation, AI-driven search engine, integrating Neural Search on top of our Elasticsearch platform.
  • Build for Hyperscale: Modernize and scale our real-time data ingestion systems using technologies like Kafka and Flink to handle millions of updates.
  • Drive Platform Innovation: Develop core platform capabilities that enable teams across Zalando to build rich, personalized discovery experiences for our customers.
  • Drive Operational Excellence and Cost Efficiency: Lead platform-wide infrastructure projects, such as consolidating multi-lingual search indices, mitigating critical risks by migrating core services, and supporting system readiness for high-traffic events like Cyber Week.
What we offer
What we offer
  • Employee shares program
  • 40% off fashion and beauty products sold and shipped by Zalando, 30% off Zalando Lounge, discounts from external partners
  • 2 paid volunteering days a year
  • Hybrid working model with 60% (or more) remote per week, actual practice is up to each team to best support their collaboration
  • Work from abroad for up to 30 working days a year
  • 27 days of vacation a year (for Zalando SE)
  • Relocation assistance available (subject to prior agreement)
  • Family services, including counseling and support
  • Health and wellbeing options (including Gympass)
  • Mental health support and coaching available
  • Fulltime
Read More
Arrow Right

Senior Backend Engineer - Node.js

We are looking for a Backend Engineer to support the development and maintenance...
Location
Location
India
Salary
Salary:
Not provided
techholding.co Logo
Tech Holding
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Up to 4 years of professional backend development experience
  • Proficiency with TypeScript and Node.js
  • Experience building APIs (REST, GraphQL, RPC) with Fastify, Apollo, Express, or similar frameworks
  • Familiarity with Elastic search or other search/indexing technologies
  • Basic understanding of caching concepts (Redis, Memcached, or similar)
  • Experience with Git and collaborative development workflows
Job Responsibility
Job Responsibility
  • Document, develop and maintain backend services using TypeScript and Fastify
  • Build and update APIs consumed by frontend and mobile applications
  • Assist with Elasticsearch query development and optimization
  • Work with Redis / Valkey for caching implementations
  • Write unit and integration tests to ensure service reliability
  • Participate in code reviews and follow established coding standards
  • Fulltime
Read More
Arrow Right

Senior Backend Engineer

Cozycozy is the only platform that gives you real-time access to all available h...
Location
Location
France , Paris
Salary
Salary:
Not provided
cozycozy.com Logo
cozycozy
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Strong experience with Node.js + TypeScript/JavaScript and RxJS
  • Deep knowledge of MongoDB, PostgreSQL, and caching systems (Redis, Dragonfly)
  • Experience designing and maintaining REST/gRPC APIs (GraphQL is a plus)
  • Hands-on exposure to Kubernetes, Docker, and modern CI/CD practices
  • Comfort working with queue systems (Google Pub/Sub, SQS) and event-driven architectures
  • Motivation to be in an international (English speaking) work environment
  • Experience handling streams of live data in a marketplace-like ecosystem
  • A product mindset. You care about user experience and data freshness as much as technical elegance
Job Responsibility
Job Responsibility
  • Evolve our core APIs to deliver millions of fresh results, fast by helping users find the right stay in a few clicks
  • Design and build scalable services that manage high-volume data streams from dozens of partners
  • Collaborate on architecture decisions to prepare our platform for rapid growth
  • Work closely with product & data to ship new features that directly impact travelers’ choices
  • Continuously improve performance & reliability because in travel search, speed is everything
What we offer
What we offer
  • Competitive salary, stock options, Alan health insurance, and Swile card
  • Enjoy our office in Paris with unlimited coffee, tea, snacks, and drinks
Read More
Arrow Right

Senior Backend Engineer

Cozycozy is the only platform that gives you real-time access to all available h...
Location
Location
France , Paris
Salary
Salary:
Not provided
cozycozy.com Logo
cozycozy
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Strong experience with Node.js + TypeScript/JavaScript and RxJS
  • Deep knowledge of MongoDB, PostgreSQL, and caching systems (Redis, Dragonfly)
  • Experience designing and maintaining REST/gRPC APIs (GraphQL is a plus)
  • Hands-on exposure to Kubernetes, Docker, and modern CI/CD practices
  • Comfort working with queue systems (Google Pub/Sub, SQS) and event-driven architectures
  • Motivation to be in an international (English speaking) work environment
  • Experience handling streams of live data in a marketplace-like ecosystem
  • A product mindset. You care about user experience and data freshness as much as technical elegance
Job Responsibility
Job Responsibility
  • Evolve our core APIs to deliver millions of fresh results, fast by helping users find the right stay in a few clicks
  • Design and build scalable services that manage high-volume data streams from dozens of partners
  • Collaborate on architecture decisions to prepare our platform for rapid growth
  • Work closely with product & data to ship new features that directly impact travelers’ choices
  • Continuously improve performance & reliability because in travel search, speed is everything
What we offer
What we offer
  • Competitive salary, stock options, Alan health insurance, and Swile card
  • Enjoy our office in Paris with unlimited coffee, tea, snacks, and drinks
Read More
Arrow Right

Senior Backend Engineer

We’re looking for a Senior Backend Engineer to help bring this vision to life. Y...
Location
Location
Finland , Helsinki
Salary
Salary:
Not provided
aiven.io Logo
Aiven Deutschland GmbH
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Solid experience building backend services for managed services/SaaS
  • Hands-on coding experience with: Python for backend services, ingestion, and orchestration
  • REST APIs as a primary interface
  • JVM (Java / Kotlin) for fixes and improvements in the open-source projects
  • Knowledge of data storage and indexing systems: relational DBs (PostgreSQL/MySQL), search engines (OpenSearch/Elasticsearch), and event logs (Kafka)
  • Familiarity with Kubernetes, Terraform/IaC, and cloud networking basics
  • A security-conscious mindset: you think about threat modeling, access controls, and auditability
  • Pragmatic problem-solving: you enjoy building clean systems that are easy to operate and evolve
Job Responsibility
Job Responsibility
  • Design and implement managed open source services that power the metadata discovery and governance system
  • Build and extend the Metadata Orchestrator, listening to control-plane events and orchestrating ingestion jobs without messy cron scheduling
  • Develop ingestion connectors & pipeline and backend logic for indexing and serving metadata
  • Shape APIs (REST/HTTP) that connect the backend with UI and integrations
  • Work with identity & policy mapping so Aiven Teams, Projects, and SSO map cleanly into managed service access controls (RBAC/ABAC)
  • Focus on operability: deployment patterns, monitoring, observability (metrics/logs/traces), and incident response
  • Collaborate closely with engineers, designers, product, and platform/security teams to deliver end-to-end functionality
What we offer
What we offer
  • Participate in Aiven’s equity plan
  • With Aiven locations spanning the globe, we want all of our crabs to find the right balance with our hybrid work policy
  • Get the equipment you need to set yourself up for success
  • Step up your career game with real employer support (use one of our learning platforms, annual learning budget, and more)
  • Get holistic wellbeing support through our global Employee Assistance Program
  • Your wellbeing matters: we provide extensive Occupational Health Care, Dental Care, as well as sports, culture, massage and lunch benefits
  • Love breakfast? So do we! Join us at our regular office breakfast
  • We also have you covered by statutory accident insurance
  • Fulltime
Read More
Arrow Right

Senior Backend Engineer

We seek a professional individual to join our team as a Senior Backend Engineer ...
Location
Location
Spain , Barcelona
Salary
Salary:
Not provided
adevinta.com Logo
Adevinta
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 3+ years of experience in backend development
  • Strong expertise in Java, Spring Boot, RDBMS (MySQL)
  • Passion for writing clean code and an eye for simplicity and pragmatism
  • Ideally, familiarity with operating microservices on public clouds (e.g. k8s and AWS)
  • Knowledge of event-driven systems (Kafka) and distributed computing
  • Understanding of object-oriented and domain-driven design
  • A passion for continuous learning and knowledge sharing
  • Problem-solving and analytical abilities
  • Fluent in English (our working language)
  • Speak-up mentality and point out things that are not right in your opinion
Job Responsibility
Job Responsibility
  • Work together with your multidiscipline team to develop a better search experience for our buyers, better ad management for our sellers, and bring new services to them
  • Keep the platform’s architecture clean, stable, and scalable
  • Handle up to 60k requests per second while the platform is still growing
  • Drive your ideas for code, process, and product improvements
  • Ensure quality and maintainability by improving build and test systems
  • Bring in your perspective of how our users’ problems can be solved
What we offer
What we offer
  • An attractive Base Salary
  • Participation in our Short Term Incentive plan (annual bonus)
  • Work From Anywhere: Enjoy up to 20 days a year of working from anywhere
  • A 24/7 Employee Assistance Program for you and your family
  • Collaborative environment with an opportunity to explore your potential and grow
  • Fulltime
Read More
Arrow Right