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Java engineer Jobs in San Francisco, CA

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Java engineer • san francisco ca

Last updated: 3 days ago

Data Engineer

DS Technologies IncSan Francisco, CA, US
Full-time

We are a company that provides innovative, transformative IT services and solutions.We are passionate about helping our clients achieve their goals and exceed their expectations.We strive to provid...Show more

Structural Engineer

The Perillo GroupSan Francisco, CA, US
Full-time
Quick Apply

Job Title: Structural Engineer.Design and analyze structures using various structural engineering software.Prepare technical reports and drawings.Collaborate with architects and construction teams....Show more

Staff Software Engineer – Java | Kafka | Kubernetes

WEX IncSan Francisco, CA
Remote
Full-time

Note: Candidates should be based in the NYC/NJ area.We are the WEX Fleet Services team, dedicated to building modern API interfaces for WEX’s industry-leading fuel card platform.We are defining and...Show more

Staff Mechanical Engineer, Spacecraft Engineer

Motive CompaniesAlameda, CA, US
Permanent

We are seeking a Staff Mechanical Engineer to lead the mechanical design and manufacturability of next-generation Hall-effect thrusters for spacecraft propulsion.This position is critical in ensuri...Show more

DevOps Engineer

F2OnSiteSan Francisco, CA 94105,, CA
Full-time

DevOps Engineer - Operational Support (Pulumi + ECS).This role requires strong experience in.Manage and support AWS cloud infrastructure (EC2, ECS, IAM).Develop and maintain Infrastructure as Code ...Show more

Java Technical Engineer/Architect

VDart IncSan Francisco, CA, United States
Full-time
Quick Apply

MsoNoSpacing">Role: Java Technical Engineer/Architect Location: Dallas, TX (Remote) Duration: 6+ Months Show more

AI Engineer / Senior AI Engineer

Blue MatterSouth San Francisco, CA, US
Full-time
Quick Apply

Blue Matter is a rapidly growing management consultancy focused on the biopharmaceutical industry.We partner with clients to help them achieve commercial success across the lifecycle of their produ...Show more

field Engineer

Mainstreet Technologies, Inc.San Francisco, CA, US
Full-time

Analyzing computer hardware problems, rectifying them, and replacing parts when necessary—acting as the middleman between user and manufacturer when equipment must be sent for repair—installing sof...Show more

Deployed Engineer

Virco TalentSan Francisco, California, United States
Full-time
Quick Apply

On-site (New York, San Francisco, or Austin, TX).We are an applied AI lab building end-to-end software agents designed to act as collaborative AI teammates for engineering teams.Our products includ...Show more

Principal Engineer - Java/AWS, Zelle

Early WarningSan Francisco
Full-time

At Early Warning, we’ve powered and protected the U.Zelle®, Paze℠, and so much more.As a trusted name in payments, we partner with thousands of institutions to increase access to financial services...Show more

Java Lead

Donato Technologies IncSan Francisco Bay Area, CA, US
Full-time

Greetings from Donato Technologies Inc.We have an immediate opening with my client.If you are looking for a ​new project, please send me a copy of your updated resumes​.Experience in implementing a...Show more

Java Full Stack Developer (1 4 years) USC/GC

Hudson ManpowerBay Area, CA, US
Full-time

Java Full Stack Developer with AWS.The ideal candidate should have an end-to-end product mindset, including design, development, testing, and deployment.Ready to Relocate in any part of the United ...Show more

AI FullStack Engineer / Founding Engineer

Career Mentors, LLCSan Francisco, CA, US
Full-time

AI Full-Stack Engineer / Founding Engineer.Base Salary: $100,000 – $140,000.Hangzhou / Silicon Valley / Remote (Flexible).We’re not hiring someone to just execute tasks.Founding-level AI Full-Stack...Show more

Software Engineer

Twitch Interactive, Inc. - D48San Francisco, California, USA
Full-time

If you are interested in this position, please apply on Twitch's Career site.Twitch is the world’s biggest live streaming service, with global communities built around gaming, entertainment, music,...Show more

Rust Engineer

Swish AnalyticsSan Francisco, California, US
Full-time
Quick Apply

Swish Analytics is a sports analytics, betting and fantasy startup building the next generation of predictive sports analytics data products.We believe that oddsmaking is a challenge rooted in engi...Show more

Solutions Engineer

CalqulateSan Francisco, CA, USA
Remote
Full-time
Quick Apply

San Francisco, CA / Remote (US).Their platform is used by both fast-growing startups and large enterprise customers to ensure AI systems perform consistently, safely, and at scale.The team is early...Show more

Java Server Engineer

TradeJobsWorkForce94126 San Francisco, CA, US
Full-time

Java Server Engineer Job Duties: Evaluates Web applications by studying systems flow, data usage, and data requirements.Plans server solutions by developing flowcharts, layouts, and diagrams; defin...Show more

 • Promoted

Lead Java Developer - Calypso

WELLS FARGO BANKSAN FRANCISCO, California, United States of America
Full-time

Are you looking for more? Find it here.At Wells Fargo, we believe that a meaningful career is much more than just a job.It's about finding all the elements that help you thrive, in one place.Living...Show more

General Engineer (Healthcare Engineer)

Terrestris Global SolutionsSan Francisco, California, United States
Full-time +1

Are you looking for a Challenge?.Looking for an innovative organization and the opportunity to learn and grow professionally? We can help! We are seeking a.General Engineer (Healthcare Engineer).Ve...Show more

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Data Engineer

Data Engineer

DS Technologies IncSan Francisco, CA, US
30+ days ago
Job type
  • Full-time
Job description

About US : We are a company that provides innovative, transformative IT services and solutions. We are passionate about helping our clients achieve their goals and exceed their expectations. We strive to provide the best possible experience for our clients and employees. We are committed to continuous improvement and innovation, and we are always looking for ways to improve our services and solutions. We believe in working collaboratively with our clients and employees to achieve success.

DS Technologies Inc is looking for Data Engineer role for one of our premier clients.

Job Title : Data Engineer

Location : San Francisco Bay Area, CA (or) New York City, NY (Onsite)

Position Type : Full-Time

Experience : 4-7 Years

Note : Any VISA'S are accepted

Primary focus : Model reproduction, feature engineering logic, performance validation, and ensuring alignment with client's’s established modelling frameworks.

  • Rebuild and port existing client's Python based models into customer’s Databricks platform.
  • Develop, train, and validate predictive models using Python, PySpark, and ML frameworks such as scikitlearn, XGBoost, and Spark MLlib.
  • Develop, validate and reproduce feature engineering logic and ensure parity with client's models.
  • Train, retain, validate, and benchmark model performance using customer provided datasets while maintain performance parity with                 baseline models.
  • Work with data engineers to define feature requirements and ensure datasets support model needs.
  • Perform model diagnostics, bias checks, stability checks, and accuracy assessments.
  • Prepare model documentation, validation summaries, and stakeholder ready insights.
  • Support scoring pipeline design and ensure reproducibility across Dev / QA / Prod.
  • Collaborate with compliance and platform teams to ensure adherence to governance.
  • Perform model diagnostics, hyperparameter tuning, and stability analysis.
  • Evaluate model performance across population segments and time periods.
  • Work with platform and engineering teams to support scoring pipeline deployment across Dev / QA / Prod.

Qualifications :

  • 4–6 years of experience in applied machine learning or data science.
  • Strong hands-on experience with Python, scikit-learn, XGBoost, LightGBM, CatBoost, or similar libraries.
  • Experience developing ML models in Databricks with Python or PySpark.
  • Strong knowledge of feature engineering, model training workflows, and evaluation techniques.
  • Experience working with large structured datasets (financial or transactional data preferred).
  • Ability to write clear documentation and communicate technical results to non-technical stakeholders.
  • 4+ years of hands-on experience developing, deploying, and maintaining machine-learning models.
  • Advanced proficiency in Python (NumPy, pandas, scikit-learn, PyTorch or TensorFlow).
  • Strong statistical and mathematical foundation, including regression, classification, probability, optimization, etc.
  • Experience building end-to-end ML pipelines : data ingestion, cleaning, feature engineering, modeling, evaluation, deployment.
  • Experience working within client environments, including adapting to unfamiliar infrastructure, constraints, and security requirements.
  • Experience with cloud platforms (AWS, Azure, or GCP) and on-prem environments.
  • Advanced SQL ability and experience with big-data tools (Spark, Databricks, Hadoop).