JavaScript

programming language, web development, front end

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JavaScript remains the Swiss Army knife of web technologies, simultaneously beloved and begrudged by data professionals. Originally a browser scripting language, it's morphed into a full-stack behemoth via Node.js, enabling end-to-end JavaScript applications. For data engineers, its real power lies in ETL frameworks like Apache Spark.js and data visualization libraries such as D3.js. Frameworks like React and Vue.js have revolutionized frontend data rendering, while libraries like Lodash streamline complex data manipulations. Despite its ubiquity, JavaScript's loosely typed nature and callback hell can induce developer migraines. Performance remains a perennial challenge compared to compiled languages. Yet, its ecosystem's rapid evolution and npm's massive package repository make it an indispensable tool in modern data engineering workflows.

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using JavaScript for

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but please no

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Airbyte

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Alteryx

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Analytics Engineering

Ansible

Apache Flink

Application Programming Interface (API)

AppDynamics

Redpanda

Webhooks

Argo CD

Apache Arrow

Astronomer

Amazon Athena

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Amazon Web Services (AWS)

Amazon Aurora

AWS CloudFormation

Amazon CloudWatch

Amazon EC2

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AWS Glue

Amazon Kinesis

AWS Lambda

Amazon RDS

Microsoft Azure

Azure Data Factory

Azure DevOps

Bash

Apache Beam

Business Intelligence (BI)

Big Data

BigEye

Google BigQuery

Blendo

Blockchain

C

C#/.NET

Apache Cassandra

Cyber Security

Certified Cloud Security Professional (CCSP)

Certified Information Systems Security Professional (CISSP)

FinOps

Customer Data Platform (CDP)

Chef

Chroma

Continuous Integration/Continuous Delivery (CI/CD)

Circle CI

ClickHouse

Cloud Computing

Cloud Storage

Cloudflare

Azure Cosmos DB

Collibra

IBM Cognos

Computer Science

Confluence

C++

Customer Relationship Management (CRM)

Comma-Separated Values (CSV)

Cypress

Dagster

Dashboard

Data Analytics

Data Contracts

Data Engineering

Data Governance

Data Lake

Data Lakehouse

Data Management

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Data Quality

Data Science

Data Vault

Data Visualization

Databricks

Datacoral

Datadog

Google Cloud Dataflow

Datafold

Google Dataform

Dataiku

DataOps

Google Cloud Dataproc

Data Analysis Expressions (DAX)

dbt (data build tool)

Delta Lake

DevOps

Docker

Dremio

DuckDB

Data Warehouse

DynamoDB

Dynatrace

Elasticsearch/ELK Stack

Enterprise Resource Planning (ERP)

ETL/ELT

Ethereum

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Non-Fungible Tokens (NFT)

Geographic Information System (GIS)

Decentralized Finance (DeFi)

Smart Contracts

Chainalysis

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Microsoft Excel

Feather

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Google Cloud Platform (GCP)

GDPR/CCPA

Generative AI

Git

GitHub

GitLab

Go

Google Analytics

Google Cloud Composer

Google Cloud Data Fusion

Google Cloud Functions

Google Cloud Run

Google Sheets

Grafana

Google Tag Manager (GTM)

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Hadoop Distributed File System (HDFS)

Heap Analytics

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HyperText Markup Language (HTML)

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Informatica

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Internet of Things (IoT)

Java

JavaScript

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JavaScript Object Notation (JSON)

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Kubernetes

Linux

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Looker Studio

Luigi

Management

MariaDB

Marketing

Marketing Mix Modeling (MMM)

Master Data Management

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Matillion

MATLAB

Matomo

Matplotlib

Modern Data Stack

Meltano

Mendix

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Microsoft

Microsoft Fabric

Mixpanel

MLOps

Mode Analytics

MongoDB

Monte Carlo

MySQL

IBM Netezza

Neo4j

New Relic

Natural Language Processing (NLP)

NoSQL

NumPy

Opsgenie

Oracle

Optimized Row Columnar (ORC)

PagerDuty

Pandas

Apache Parquet

Pendo

Doctor of Philosophy (PhD)

Pinecone

Piwik PRO

Plausible Analytics

Playwright

Plotly

Polars

PostgreSQL

Microsoft Power BI

Microsoft PowerPoint

PowerShell

Prefect

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Process Mining

Prometheus

Protocol Buffers

Pub/Sub

Pulumi

Puppet

Puppeteer

Pydantic

PySpark

Python

PyTorch

Qlik

Amazon QuickSight

R (Language)

Retrieval Augmented Generation (RAG)

Relational Database Management System (RDBMS)

React

Redash

Redis

Amazon Redshift

Recurrent Neural Networks

Rust

Amazon S3

Software as a Service (SaaS)

Amazon SageMaker

SAP

SAS

Scala

Scikit-learn

SciPy

Seaborn

Twilio Segment

Selenium

Singer

Sisense

Snowflake

Snowplow

Apache Spark

Splunk

SPSS

Structured Query Language (SQL)

SQLMesh

SQLFluff

SQLFmt

Microsoft SQL Server

SQL Server Analysis Services (SSAS)

SQL Server Integration Services (SSIS)

SQL Server Reporting Services

Stitch

Data Streaming

Supermetrics

Apache Superset

Azure Synapse Analytics

TIBCO Spotfire

Tableau

Talend

TensorFlow

Teradata

Bicep

Infrastructure as Code (IaC)

Azure Resource Manager (ARM)

Terraform

Terragrunt

Third Normal Form (3NF)

TOML

Trifacta

Apache Trino

Apache Druid

TypeScript

Unix

Visual Basic for Applications (VBA)

Vector DB

Vertica

VirtualBox

Virtual Machine

VMware

Microsoft Word

Extensible Markup Language (XML)

Xplenty

Yet Another Markup Language (YAML)

Motherduck

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Omni Analytics

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Hudi

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Lance

data scientist Accelerator Software Engineering (Paris) @ sanofi FR \| 2025-12-28 Sanofi's Accelerator Software Engineering role in Paris promises cross-functional impact at the enterprise scale, but the hype around AI-powered biopharma belies the reality of steady... read more »	R, AI/ML, Cloud Computing, Computer Science, AWS, GCP, Azure, IaC, Terraform, JavaScript, TypeScript, React, API, Cyber Security, CI/CD, DevOps	Accelerator Software Engineering (Paris) sanofi (FR) FULL TIME \| JOB LISTED Sanofi's Accelerator Software Engineering role in Paris promises cross-functional impact at the enterprise scale, but the hype around AI-powered biopharma belies the reality of steady modernization: design, build, and maintain cloud-native microservices that move research workflows and data analysis forward while juggling security, compliance, and operational reliability. Expect strong emphasis on cloud providers (AWS, GCP, or Azure), infrastructure as code (Terraform, AWS CDK), and modern JavaScript/TypeScript with Node.js, plus React for front-end components. You’ll own technical decisions, ship in a regulated, global context, and contribute to shared codebases via code reviews and mentoring. The role trades a glamorous title for real risk: heavy collaboration with scientists and product teams, ambiguous requirements, and a hybrid Paris schedule—2 days remote, 3 on-site. Good for engineers who value pragmatism, scalable architectures, and clear, standards-driven development over buzzword bingo. Generated content Technology used R AI/ML Cloud Computing Computer Science AWS GCP Azure IaC Terraform JavaScript TypeScript React API Cyber Security CI/CD DevOps Listed At 2025-12-28 2025-10-23 (original listing) Similar Jobs Loading... Permalink View original posting
data scientist Fullstack Software Engineer - Core @ dataiku FR \| 2025-12-27 Dataiku is recruiting a Fullstack Engineer to influence Dataiku DSS across data prep, visualization, ML ops, and AI governance. You’ll juggle back-end Java and Python with front-end work in... read more »	Dataiku, AI/ML, Analytics, Cloud Computing, SaaS, Data Science, LLM, GitHub, SQL, API, Java, Python, DataViz, React, GenAI, TensorFlow, PyTorch, JavaScript, Kubernetes, Spark, AWS, Azure, PostgreSQL	Fullstack Software Engineer - Core dataiku (FR) FULL TIME \| JOB LISTED Dataiku is recruiting a Fullstack Engineer to influence Dataiku DSS across data prep, visualization, ML ops, and AI governance. You’ll juggle back-end Java and Python with front-end work in AngularJS, Angular, and React, plus data viz in D3.js and ECharts, while also wrangling Kubernetes, Docker, and multi-cloud concerns. The role promises no-, low-, and full-code modes, which sounds convenient until you realize you’re accountable for performance, scalability, and cross-provider LLM integration within a fast‑paced product. The stack mixes aging technologies with modern ML tooling (TensorFlow, PyTorch, scikit-learn), and you’ll collaborate with researchers to push next-gen features. The Paris/on-site or full remote-from-France setup is explicit; salary isn’t disclosed. It’s a broad, enterprise-grade platform role with genuine governance work, but depth and modernity of the frontend stack may vary and demand pragmatic self-advancement. Generated content Technology used Dataiku AI/ML Analytics Cloud Computing SaaS Data Science LLM GitHub SQL API Java Python DataViz React GenAI TensorFlow PyTorch JavaScript Kubernetes Spark AWS Azure PostgreSQL Listed At 2025-12-27 2025-10-22 (original listing) Permalink View original posting
promoted The Fundamentals of Analytics Engineering The Fundamentals of Analytics Engineering gives a holistic understanding of the analytics engineering lifecycle by integrating principles from both data analysis and engineering. It's a book that teaches concepts and best practices, not just tools and technologies.	Learn More
data scientist Sr. AI Engineer @ true-search US \| 2025-12-26 True's Sr. AI Engineer role, despite the title, appears mid-level in practice but claims senior scope: reporting to the CTO, CIO and Head of Data Privacy, it sits at the intersection of production... read more »	Management, AI/ML, Python, JavaScript, SQL, Computer Science, DataViz	Sr. AI Engineer true-search (US) FULL TIME \| JOB LISTED True's Sr. AI Engineer role, despite the title, appears mid-level in practice but claims senior scope: reporting to the CTO, CIO and Head of Data Privacy, it sits at the intersection of production ML, privacy, and business outcomes. The tech load is clear: build and deploy scalable AI models using Python, JavaScript and SQL, with LLMs and agentic frameworks as the headline. Expect heavy cross-functional work with Data, Software Engineering and Product teams, and a mandate to productionize pipelines while satisfying privacy constraints. Watch for ambiguity in its seniority, the visa note, and the reality of mid-level expectations in a fast-moving vendor space. The absence of salary details and the explicit emphasis on privacy controls are telling: they want practical rather than glamorous AI, but the role may struggle to stand out in a crowded market. Generated content Technology used Management AI/ML Python JavaScript SQL Computer Science DataViz Listed At 2025-12-26 2025-07-29 (original listing) Permalink View original posting
data scientist Solution Engineer @ c3-ai-enterprise-ai FR \| 2025-12-25 The role of Solution Engineer at C3 AI presents a challenge for those seeking to apply their technical skills in a rapidly evolving AI platform environment. The position requires deep expertise in... read more »	AI/ML, SaaS, GenAI, Management, JavaScript, Python, Git, React, Cloud Computing, GCP, AWS, Azure, SQL, NoSQL, Agile/Scrum	Solution Engineer c3-ai-enterprise-ai (FR) FULL TIME \| JOB LISTED The role of Solution Engineer at C3 AI presents a challenge for those seeking to apply their technical skills in a rapidly evolving AI platform environment. The position requires deep expertise in full-stack AI development, with a focus on the C3 AI Platform. While the job offers the opportunity to work on cutting-edge enterprise AI solutions, the responsibilities include mentoring junior team members, conducting technical reviews, and delivering client-facing demonstrations. The role demands strong communication, problem-solving, and cross-functional collaboration skills. The compensation is competitive, but the job may lack the autonomy and innovation potential seen in some other AI startups. The skills required align closely with industry standards, but the emphasis on customer-facing tasks and the need for travel may limit the scope of innovation and technical depth. Generated content Technology used AI/ML SaaS GenAI Management JavaScript Python Git React Cloud Computing GCP AWS Azure SQL NoSQL Agile/Scrum Listed At 2025-12-25 2024-11-04 (original listing) Permalink View original posting

data scientist Accelerator Software Engineering (Paris) @ sanofi FR \| 2025-12-28 Sanofi's Accelerator Software Engineering role in Paris promises cross-functional impact at the enterprise scale, but the hype around AI-powered biopharma belies the reality of steady... read more »	R, AI/ML, Cloud Computing, Computer Science, AWS, GCP, Azure, IaC, Terraform, JavaScript, TypeScript, React, API, Cyber Security, CI/CD, DevOps	Accelerator Software Engineering (Paris) sanofi (FR) FULL TIME \| JOB LISTED Sanofi's Accelerator Software Engineering role in Paris promises cross-functional impact at the enterprise scale, but the hype around AI-powered biopharma belies the reality of steady modernization: design, build, and maintain cloud-native microservices that move research workflows and data analysis forward while juggling security, compliance, and operational reliability. Expect strong emphasis on cloud providers (AWS, GCP, or Azure), infrastructure as code (Terraform, AWS CDK), and modern JavaScript/TypeScript with Node.js, plus React for front-end components. You’ll own technical decisions, ship in a regulated, global context, and contribute to shared codebases via code reviews and mentoring. The role trades a glamorous title for real risk: heavy collaboration with scientists and product teams, ambiguous requirements, and a hybrid Paris schedule—2 days remote, 3 on-site. Good for engineers who value pragmatism, scalable architectures, and clear, standards-driven development over buzzword bingo. Generated content Technology used R AI/ML Cloud Computing Computer Science AWS GCP Azure IaC Terraform JavaScript TypeScript React API Cyber Security CI/CD DevOps Listed At 2025-12-28 2025-10-23 (original listing) Similar Jobs Loading... Permalink View original posting
data scientist Fullstack Software Engineer - Core @ dataiku FR \| 2025-12-27 Dataiku is recruiting a Fullstack Engineer to influence Dataiku DSS across data prep, visualization, ML ops, and AI governance. You’ll juggle back-end Java and Python with front-end work in... read more »	Dataiku, AI/ML, Analytics, Cloud Computing, SaaS, Data Science, LLM, GitHub, SQL, API, Java, Python, DataViz, React, GenAI, TensorFlow, PyTorch, JavaScript, Kubernetes, Spark, AWS, Azure, PostgreSQL	Fullstack Software Engineer - Core dataiku (FR) FULL TIME \| JOB LISTED Dataiku is recruiting a Fullstack Engineer to influence Dataiku DSS across data prep, visualization, ML ops, and AI governance. You’ll juggle back-end Java and Python with front-end work in AngularJS, Angular, and React, plus data viz in D3.js and ECharts, while also wrangling Kubernetes, Docker, and multi-cloud concerns. The role promises no-, low-, and full-code modes, which sounds convenient until you realize you’re accountable for performance, scalability, and cross-provider LLM integration within a fast‑paced product. The stack mixes aging technologies with modern ML tooling (TensorFlow, PyTorch, scikit-learn), and you’ll collaborate with researchers to push next-gen features. The Paris/on-site or full remote-from-France setup is explicit; salary isn’t disclosed. It’s a broad, enterprise-grade platform role with genuine governance work, but depth and modernity of the frontend stack may vary and demand pragmatic self-advancement. Generated content Technology used Dataiku AI/ML Analytics Cloud Computing SaaS Data Science LLM GitHub SQL API Java Python DataViz React GenAI TensorFlow PyTorch JavaScript Kubernetes Spark AWS Azure PostgreSQL Listed At 2025-12-27 2025-10-22 (original listing) Permalink View original posting
promoted The Fundamentals of Analytics Engineering The Fundamentals of Analytics Engineering gives a holistic understanding of the analytics engineering lifecycle by integrating principles from both data analysis and engineering. It's a book that teaches concepts and best practices, not just tools and technologies.	Learn More
data scientist Sr. AI Engineer @ true-search US \| 2025-12-26 True's Sr. AI Engineer role, despite the title, appears mid-level in practice but claims senior scope: reporting to the CTO, CIO and Head of Data Privacy, it sits at the intersection of production... read more »	Management, AI/ML, Python, JavaScript, SQL, Computer Science, DataViz	Sr. AI Engineer true-search (US) FULL TIME \| JOB LISTED True's Sr. AI Engineer role, despite the title, appears mid-level in practice but claims senior scope: reporting to the CTO, CIO and Head of Data Privacy, it sits at the intersection of production ML, privacy, and business outcomes. The tech load is clear: build and deploy scalable AI models using Python, JavaScript and SQL, with LLMs and agentic frameworks as the headline. Expect heavy cross-functional work with Data, Software Engineering and Product teams, and a mandate to productionize pipelines while satisfying privacy constraints. Watch for ambiguity in its seniority, the visa note, and the reality of mid-level expectations in a fast-moving vendor space. The absence of salary details and the explicit emphasis on privacy controls are telling: they want practical rather than glamorous AI, but the role may struggle to stand out in a crowded market. Generated content Technology used Management AI/ML Python JavaScript SQL Computer Science DataViz Listed At 2025-12-26 2025-07-29 (original listing) Permalink View original posting
data scientist Solution Engineer @ c3-ai-enterprise-ai FR \| 2025-12-25 The role of Solution Engineer at C3 AI presents a challenge for those seeking to apply their technical skills in a rapidly evolving AI platform environment. The position requires deep expertise in... read more »	AI/ML, SaaS, GenAI, Management, JavaScript, Python, Git, React, Cloud Computing, GCP, AWS, Azure, SQL, NoSQL, Agile/Scrum	Solution Engineer c3-ai-enterprise-ai (FR) FULL TIME \| JOB LISTED The role of Solution Engineer at C3 AI presents a challenge for those seeking to apply their technical skills in a rapidly evolving AI platform environment. The position requires deep expertise in full-stack AI development, with a focus on the C3 AI Platform. While the job offers the opportunity to work on cutting-edge enterprise AI solutions, the responsibilities include mentoring junior team members, conducting technical reviews, and delivering client-facing demonstrations. The role demands strong communication, problem-solving, and cross-functional collaboration skills. The compensation is competitive, but the job may lack the autonomy and innovation potential seen in some other AI startups. The skills required align closely with industry standards, but the emphasis on customer-facing tasks and the need for travel may limit the scope of innovation and technical depth. Generated content Technology used AI/ML SaaS GenAI Management JavaScript Python Git React Cloud Computing GCP AWS Azure SQL NoSQL Agile/Scrum Listed At 2025-12-25 2024-11-04 (original listing) Permalink View original posting

Open jobs

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Used together with JavaScript

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Jobs (this month)

Companies with Jobs

Accelerator Software Engineering (Paris) @ sanofi

Fullstack Software Engineer - Core @ dataiku

The Fundamentals of Analytics Engineering

Sr. AI Engineer @ true-search

Solution Engineer @ c3-ai-enterprise-ai