back end developer Jobs in los angeles, ca

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Backend Python Engineer (REMOTE)(No C2C/H1B)

NetSource, Inc.

•

Remote

Contract

No C2C/H1B Remote, preference in the LA area to come into the occasional in person meetings. Please note that this is a 4-month contract position. Tech Stack / Tools: Python (NumPy, Pandas, SciPy) SQL (PostgreSQL or MySQL preferred) Github Jupyter notebook Experience with production systems and deployment environments Requirements: 3+ years of experience in backend development using Python in a production environment. Must know be proficient in NumPy, Pandas, SciPy, and Object-Oriented Progra
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Posted 17 days ago | Updated 5 hours ago

Backend Architect

Hirextra

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Remote

Contract

Job Description We are seeking a seasoned Backend Architect with deep expertise in regulated financial systems and trading platforms to lead the backend architecture and development for a new Futures Commodity Commissions Market (FCM) application. This platform, envisioned as a regulated sports prediction market and Robinhood s Prediction Market, will be built for a large-scale financial trading domain. The ideal candidate should have hands-on experience designing and scaling backend systems fo
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Posted 1 day ago

Core Java and SQL / Remote / Construction Planning Software

Motion Recruitment Partners, LLC

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Remote or Boston, Massachusetts, USA

Full-time

Join a small, agile team building a highly scalable, cloud-based backend powering complex data-driven web applications. This is a great opportunity for a backend engineer with strong Java and SQL expertise who thrives in a startup-like environment and enjoys tackling performance-heavy challenges. This is an opportunity to work side-by-side with the Chief Software Architect on a lean team driving architecture and core functionality. You'll be writing highly concurrent Java code and building syste
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Posted 9 days ago | Updated 8 hours ago

Senior Artificial Intelligence Test Engineer

iSpace, Inc

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Remote

Contract

Senior Artificial Intelligence Test Engineer Location: Hybrid of 3 days/month onsite during the 2 nd full week of each month in either Denver, CO/Brentwood, TN/Malvern, PA or 100% remote with travel 2-3 times/year (if remote) Duration - 3 6-month Contract to Hire Opportunity Working Hours Mon-Fri, from 8AM 5PM EST This is an exciting opportunity to join a new team that will be supporting the testing efforts for AI products within an industry leading healthcare organization. This team will be s
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Posted 45 days ago | Updated moments ago

Lead Software Engineer (Backend) - Materia AI

Thomson Reuters U.S. Inc.

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Remote or Eagan, Minnesota, USA

Full-time

Lead Backend Engineer, Materia AI Are you excited about building AI-driven software that redefines how professionals work? Join a dynamic and highly skilled team at Thomson Reuters, where we combine the agility and innovation of a startup with the stability and resources of a global leader. As a Lead Backend Engineer, you will play a pivotal role in developing AI-powered systems that enhance accounting workflows through automation, intelligence, and seamless orchestration. About the Role: In t
Posted 60+ days ago | Updated moments ago

Senior Software Engineer (Backend) - Materia AI

Thomson Reuters U.S. Inc.

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Remote or Eagan, Minnesota, USA

Full-time

Senior Backend Engineer, Materia AI Are you excited about building AI-driven software that redefines how professionals work? Join a dynamic and highly skilled team at Thomson Reuters, where we combine the agility and innovation of a startup with the stability and resources of a global leader. As a Senior Backend Engineer, you will play a pivotal role in developing AI-powered systems that enhance accounting workflows through automation, intelligence, and seamless orchestration. About the Role:
Posted 60+ days ago | Updated moments ago

Senior Cloud Developer (AWS)- Remote (Future Opportunity)

ICF

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Remote or Reston, Virginia, USA

Full-time

*We are open to supporting 100% remote work anywhere within the US* * This role is part of our talent pipeline, and while there may not be an immediate opening, we are proactively connecting with qualified candidates for future opportunities* We're seeking a talented Cloud backend developer to join our dynamic team. As a key member of our engineering department, you'll play a pivotal role in designing, developing, and maintaining robust backend applications and services. Responsibilities: Des
Posted 53 days ago | Updated moments ago

Senior JavaScript Developer

Randstad - Torc

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Remote

Contract

We are looking for a Senior JavaScript Developer to join our dynamic team. As a key contributor, you will be responsible for designing, developing, and maintaining scalable and high-performance web applications. You will work with modern frameworks, APIs, and cloud-based services to deliver top-tier software solutions. ResponsibilitiesDesign, develop, and optimize web applications using JavaScript, TypeScript, and modern frameworks (React, Angular, Vue.js).Build and maintain scalable, reusable,
Posted 51 days ago | Updated 5 hours ago

.Net Lead Engineer

Learn Beyond Consulting LLC

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Remote

Full-time

Role: .Net Lead Engineer Remote Visa: About the Role: We are seeking a hands-on Lead Backend Engineer to help build a new Futures Commodity Commissions Market (FCM) platform a greenfield, regulated financial trading product focused on binary sports prediction markets. This is a rare opportunity to shape the architecture and implementation of a federally regulated financial system from the ground up. You'll be responsible for designing and developing core backend services for a compliant, low-l
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Posted 1 hour ago

Senior Mobile Engineer

IDR, Inc.

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Remote

Contract

IDR is seeking a Senior Mobile App Engineer to join one of the fastest growing healthtech startups in the country,remotely. This is a unique opportunity to work with a mission-driven team using cutting-edge technology to transform preventive healthcare at scale. If you're passionate about innovation, health optimization, and building high-impact mobile experiences, please apply today! Position Overview: Lead and contribute to the design, development, and deployment of cutting-edge mobile appli
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Posted 30 days ago | Updated 29 days ago

Backend API Engineer, Node

Motion Recruitment Partners, LLC

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Los Angeles, California, USA

Full-time

This position is hybrid in West Los Angeles. A fast-growing consumer product startup based in West Los Angeles is looking for a Backend Engineer to join their tight-knit team. They're building technology that connects buyers and sellers in a traditionally offline industry, streamlining transactions through modern APIs and scalable infrastructure. This is a startup. Candidates with current or previous startup experience are strongly preferred. Required Skills & Experience 5+ years of experience
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Posted 16 days ago | Updated 8 hours ago

Backend JAVA Engineer (REMOTE- EST Timezone)(No C2C/H1B)

NetSource, Inc.

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Remote

Contract

No C2C/H1B Java backend development experience is a must; all others will be rejected. Network programming techniques (SMP, TCP/IP, Sockets) is a must. Please note that this is a 6-month contract position with possibility to extend. A coding exercise to validate technical skills will be on the 1st interview with client.Remote Work Considerations: While we prefer candidates to work onsite, we are open to remote candidates as long as they can commit to core working hours in US Eastern Time.Locati
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Posted 15 days ago | Updated 5 hours ago

Staff Full Stack Cloud Software Development Engineer

CVS Health

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Remote or Richardson, Texas, USA

Full-time

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w
Posted 34 days ago | Updated moments ago

Senior Backend Engineer / TypeScript / Southern California

Motion Recruitment Partners, LLC

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Los Angeles, California, USA

Full-time

We're looking for a Backend Engineer to help build and scale our clients platform. You'll work across the stack-developing APIs, backend services, databases, and web-based UIs-using technologies like TypeScript, Node.js, and modern frameworks. You'll collaborate closely with engineering and product teams to ship high-impact features and drive continuous technical improvements. We value smart, execution-focused developers who see shipping as a core feature and are passionate about building clean,
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Posted 33 days ago | Updated 8 hours ago

Backend Software Engineer - TikTok, Social Graph

TikTok

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Los Angeles, California, USA

Full-time

Location : Los Angeles Employment Type : Regular Job Code : A210675 Apply to this job Share this listing: Responsibilities The Social Graph team at TikTok is at the forefront of innovation in large-scale graph computing. We design and build the core graph infrastructure that powers TikTok's social ecosystem - processing trillions of edges and billions of vertices to deliver real-time relationship insights to billions of users worldwide. Our high-performance engine enables millisecond-leve
Posted 6 days ago | Updated moments ago

UI Angular Developer (AVP) - Hybrid

Citi

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Remote or Tampa, Florida, USA

Full-time

The Institutional Data Platform team is responsible for the Olympus platform to streamline data sources across Service, Markets, Banking and Client enabling industry leading analytics, client, regulatory, surveillance supervisory risk and finance reporting and data science solutions along with genesis platform. The UI Angular Developer (Applications Development Senior Programmer Analyst - C12) is an intermediate level position responsible for participation in the establishment and implementatio
Posted 53 days ago | Updated moments ago

Senior Software Engineer, Backend (Platform - Data Platform)

Coinbase

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Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the
Posted 6 days ago | Updated moments ago

Staff Software Engineer - Java Backend

CVS Health

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Remote or Woonsocket, Rhode Island, USA

Full-time

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w
Posted 60+ days ago | Updated moments ago

Senior Backend (TypeScript) Engineer

Apex Systems

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Santa Monica, California, USA

Full-time

Job#: 2068475 Job Description: I have an opportunity for a Backend Typescript Developer. If interested in discussing the position further, please send an MS Word version of your resume to Patryk Kopczynski, To apply please email your resume to Here are the details: Position: Backend Typescript Developer Location: Onsite 1-2 a week in Los Angeles Rate: 180,000-220,000 plus equity Duration: Permanent Iv Process: Three step Iv Process Day-to-Day Responsibilities: This is a permanent role so
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Posted 43 days ago | Updated 12 hours ago

Java Developer

ePace Technologies, Inc

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Remote

Contract

Position Title: Java Backend Developer Joining Mode: Long Term Contract Extensive AWS experience (incl. Cloudscape and AWS CDK, S3, Cloudwatch, Bedrock, AmazonQ, Lambda, CloudTrail, APIGateway, IAM) Backend development with a strong focus on security and Identity. Proficiency in TypeScript and Java. Familiarity with Generative AI and Machine Learning including Retrieval Augmented Generation (don t need experience; just awareness) Ability to work and deliver independently with minimal guidance. G
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Posted 6 days ago