Java, Scala, Python Developer Jobs in San Francisco, CA

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Senior Back End Developer (Go/Python/Java) - HYBRID

TEKsystems c/o Allegis Group

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San Francisco, California, USA

Full-time

*THIS IS A FULL-TIME ROLE* 3 DAYS ONSITE Qualification: Really know about scalable distributed systems Have built production systems and services in Golang (ideal) or Java/Python/Scala Have a deep understanding of domain driven data modelingHave built production services in cloud-native environment (AWS, Google Cloud Platform, Azure) and know where it?s awesome and where it hurts Dead serious about tooling, best practices, automation - anything to improve DevEx Are a great communicator and colla
Posted 1 day ago | Updated 5 hours ago

Scala Developer-Remote

mProgen

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Remote

Contract

Design and develop RESTful and GraphQL APIs using Java and ScalaBuild event-driven services and microservices that produce and consume messages via Apache KafkaImplement backend systems using frameworks like Spring Boot, Akka HTTP, or PlayEnsure reliable, fault-tolerant Kafka integration, including schema validation, error handling, and retriesCollaborate with frontend and platform teams to define clear API contracts and integration patternsContribute to code quality, testing, and CI/CD automati
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Posted 7 days ago | Updated 4 hours ago

Java/Kotlin/Python Software Engineer - Data Platform

ConsultNet, LLC

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San Francisco, California, USA

Full-time

Java/Kotlin/Python Software Engineer - Data Platform Seattle, WA (hybrid) 1 year Contract (may extend) Pay Range: $55.00 - $75.00per hr Job Description: We're looking for a Python Software Engineer with a strong interest in data platform technologies to join our growing data infrastructure team. This role offers the opportunity to work closely with seasoned data engineers and product managers to build, maintain, and enhance a scalable platform that powers data-driven decision-making. You'll
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Posted 14 days ago | Updated 8 hours ago

Java | Python | Full Stack Developers (5+ yrs exp.)

Emonics LLC

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San Francisco, California, USA

Contract

We're Hiring! Java | Python | Full Stack Developers (5+ yrs exp.) Join Emonics LLC! Emonics LLC is expanding our consultant network! If you're a seasoned Java, Python, or Full Stack Developer with over 5 years of hands-on experience, we want to hear from you. Why Emonics? Top-tier competitive rates Industry-leading marketing and placement support Supportive and collaborative work environment Transparent, consultant-first approach Long-term projects across Fortune 500 clients We're looking for pa
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Posted 2 days ago

Data Engineer

Xoriant Corporation

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San Francisco, California, USA

Contract

Position Title: Data Engineer Location: San Francisco, CA (Hybrid) Duration: 12 Months contract with possibility of extension In Person Interview is Must have Key skill - Expert on Scala, Spark, Bigdata, DB Brief technical JD below Spark mandatory and programming in either Java or Scala. More importantly the person needs to be able to drive some program independently. JD: True Hands-On Developer in Programming Languages like Java or Scala .Expertise in Apache Spark .Database modelling and workin
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Posted 57 days ago | Updated 1 day ago

Staff Server Engineer, User Lifecycle

Strava, Inc.

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San Francisco, California, USA

Full-time

About This Role Strava is the app for active people. With over 150 million athletes in more than 185 countries, it's more than tracking workouts-it's where connection, motivation, and personal bests thrive. No matter your activity, gear, or goals, Strava's got you covered. Find your crew, crush your milestones, and keep moving forward. Start your journey with Strava today. Our mission is simple: to motivate people to live their best active lives. We believe in the power of movement to connect
Posted 60+ days ago | Updated 8 hours ago

Senior Python/Java Developer - C12 - IRVING

Citi

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Remote or Irving, Texas, USA

Full-time

Job Description The Senior Python/Java Developer is a seasoned professional role. Applies in-depth disciplinary knowledge, contributing to the development of new techniques and the improvement of processes and work-flow for the area or function. Integrates subject matter and industry expertise within a defined area. Requires in-depth understanding of how areas collectively integrate within the sub-function as well as coordinate and contribute to the objectives of the function and overall busine
Posted 17 days ago | Updated 8 hours ago

Senior/ Middle Data Software Engineer - San Francisco, CA - Hybrid, $60/hr. on W2

FASTRA LLC

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San Francisco, California, USA

Contract

Must have in recent project: ScalaApache SparkSQL and NoSQL Data Engineer Responsibilities: System development and maintenance activities of the team to meet service level agreements and create solutions with innovation, cost effectiveness, high quality and faster time to market.Support code versioning, and code deployments for Data Pipelines.Ensure test coverage for unit testing and support integration and performance testing.Contribute ideas to help ensure that required standards and processes
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Posted 13 days ago | Updated moments ago

Staff Software Engineer, Batch Processing Platform

Pinterest, Inc.

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Remote or San Francisco, California, USA

Full-time

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we're on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other's unique experiences and embrace the flexibility
Posted 51 days ago | Updated 8 hours ago

Java Developer (W2 consultants only)

Primesoft, Inc

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Remote or New York, New York, USA

Contract

We need consultants on our bench for m@rketing needed well-crafted consultant profiles on your bench that effectively highlight their technical expertise, relevant project experience, and industry knowledge. Role: Software Developer (Java.) Exp: 8+ Years Need consultants for (M@rketing), Any technology is fine. Must have a bachelor's degree. Hands-on experience in Java/J2EE development, or NET/.NET Core development, or UI Development. Data Analyst. Regards Sundeep B sundeep.b (at) primesoftinc
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Posted 17 days ago | Updated 2 days ago

Machine Learning Engineer II - Autonomous Mobility and Delivery

Uber Corporate

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San Francisco, California, USA

Full-time

About the Role We are looking for a highly-motivated, entrepreneurial machine learning practitioner to join our Autonomous Optimization team, which maximizes marketplace value of autonomous vehicles across Uber's Rides and Delivery platforms. As a machine learning engineer on the team, you will pioneer engineering, modeling, and optimization initiatives that bring autonomous vehicles into sustainable, general availability. What You Will Do - Work on solving complex inferences and optimization
Posted 1 day ago | Updated 8 hours ago

Senior Java Developer (Medicare)

Strategic Systems Inc

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Remote

Contract

Senior Java Developer (Medicare) Duration: 12 Months CTH Location: REMOTE Job Description: Developer is responsible for maintaining and enhancing our Integration Layer which is a combination of Jacada wrapped in Java. The Jacada portion of the system is to scrape data from mainframe shared system screens. The data payload is packaged in XML/JSON for return utilizing a custom Java application/framework. Data is uploaded to an Oracle database for consumption by Call Center users via the NGD/Siebe
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Posted 22 days ago

Senior ML Engineer - Autonomous

Uber Corporate

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San Francisco, California, USA

Full-time

About the Role We are looking for a highly-motivated, entrepreneurial machine learning practitioner to join our Autonomous Optimization team, which maximizes marketplace value of autonomous vehicles across Uber's Rides and Delivery platforms. As a senior machine learning engineer on the team, you will pioneer engineering, modeling, and optimization initiatives that bring autonomous vehicles into sustainable, general availability. What You Will Do - Work on solving complex inferences and optim
Posted 40 days ago | Updated 8 hours ago

Imaging Data Engineer/Architect

ADDSOURCE

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San Francisco, California, USA

Third Party

Title: Imaging Data Engineer/Architect Location: San Francisco ,CA(onsite from Day 1) Duration: Long Term We're seeking a highly skilled and experienced Imaging Data Engineer/Architect to join our team, focusing on the critical area of medical imaging within the life sciences and healthcare domain. In this role, you will be instrumental in designing, building, and managing robust data pipelines and architectures for handling vast amounts of imaging data, including radiology and digital pathol
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Posted 14 days ago | Updated moments ago

Staff Machine Learning Engineer - Marketplace Signals

Uber Corporate

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San Francisco, California, USA

Full-time

The Marketplace Signals team at Uber is responsible for building and optimizing foundational marketplace signals that power user experiences and drive marketplace efficiency. Our team ensures that key signals-such as eyeball ETA, spinner time, and supply reliability indicators-are leveraged effectively across various Uber products and levers, enabling data-driven decision-making and seamless coordination across different business functions. As a Staff Machine Learning Engineer, you will design,
Posted 18 days ago | Updated 8 hours ago

Sr. Software Engineer, Big Data

Pinterest, Inc.

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San Francisco, California, USA

Full-time

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we're on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other's unique experiences and embrace the flexibility
Posted 51 days ago | Updated 8 hours ago

Senior Python Full Stack Developer (with Data Engineering Expertise )

Bramkas Inc.

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Remote

Contract

Python : Full Stack Polyglot Engineer with Data Engineering Expertise Location: United States RemotePosition Type: Open to Contract / Contract-to-Hire (Open to Full-Time)Experience Required: 9+ YearsMust have Skill : Python , FastAPI , React ,MongoDB , Data Engineering We are looking for a skilled Python Polyglot developer who is comfortable working across the backend, frontend, and datatransformation layers. The ideal candidate is someone with strong hands-on experience in building scalable we
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Posted 6 days ago | Updated 6 days ago

Python Developer ( React JS , Data Engineering )

Bramkas Inc.

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Remote

Contract

Python : Full Stack Developer ( React JS , Data Engineeing ) Location: United States RemotePosition Type: Open to Contract / Contract-to-Hire (Open to Full-Time)Experience Required: 9+ YearsMust have Skill : Python , FastAPI , React ,MongoDB , Data EngineeringWe are looking for a skilled Python Polyglot developer who is comfortable working across the backend, frontend, and datatransformation layers. The ideal candidate is someone with strong hands-on experience in building scalable web applicati
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Posted 6 days ago | Updated 6 days ago

Staff Software Engineer, Experimentation Platform

Pinterest, Inc.

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Remote or San Francisco, California, USA

Full-time

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we're on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other's unique experiences and embrace the flexibility
Posted 51 days ago | Updated 8 hours ago

Sr Java Software Engineer with Python - VP - RUTHERFORD, NJ

Citi

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Remote or Rutherford, New Jersey, USA

Full-time

The Software Engineer role leads and participates in solving business problems by building robust, high-performance large-scale enterprise applications. You will leverage your deep technical knowledge to design and code scalable and easily maintainable solutions as well as mentor other more junior engineers as needed. You will promote a culture of technical excellence and continuous improvements within the team. Responsibilities Develop and engineer solutions within multiple agile software deli
Posted 60+ days ago | Updated 8 hours ago