Back End Software Engineer Jobs in Philadephia, PA

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121 - 140 of 191 Jobs

Lead C++ Developer with .Net

Photon

•

Remote

Contract, Third Party

Lead C++ Developer with C# and .Net Core Remote 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-latency t
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Posted 44 days ago | Updated 2 days ago

Senior Python Developer / Remote / Cloud & Microservices

Motion Recruitment Partners, LLC

•

Remote or San Francisco, California, USA

Full-time

Job Description Join a globally recognized leader in the entertainment and media industry for a fully remote, long-term contract role focused on impactful backend development. Known for its cutting-edge technology, strong developer-first culture, and commitment to work-life balance, this company is looking to bring on a Senior Python Backend Engineer to join its high-impact platform team. You'll be contributing to the architecture and development of highly scalable backend systems, APIs, and s
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Posted 24 days ago | Updated 7 hours ago

Software Engineer, Frontend - Developer Experience

Coinbase

•

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 60+ days ago | Updated 10 hours ago

.Net Backend Lead

Photon

•

Remote

Contract, Third Party

.Net Backend Lead Developer Remote 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-latency trading platfo
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Posted 57 days ago | Updated 2 days ago

Software Engineer Manager(Java)-SVP- IRVING

Citi

•

Remote or Irving, Texas, USA

Full-time

About Citi: Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. As a bank with a brain and a soul, Citi creates economic value that is systemic
Posted 60+ days ago | Updated 10 hours ago

Principal Platform Engineer, Materia AI

Thomson Reuters U.S. Inc.

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Remote or Eagan, Minnesota, USA

Full-time

Principal Platform 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 Principal Platform Engineer, you will lead the design, development, and evolution of our next-generation cloud-native platforms. You will drive technical strategy, foster engineering excellence,
Posted 30 days ago | Updated 10 hours ago

Software Engineer 5 - Growth Foundations

Netflix, Inc.

•

Remote

Full-time

Netflix is one of the world's leading entertainment services, with 283 million paid memberships in over 190 countries enjoying TV series, films and games across a wide variety of genres and languages. Members can play, pause and resume watching as much as they want, anytime, anywhere, and can change their plans at any time. When you join the Growth Foundations team, you're joining the team that sets the technical strategy and vision for the commerce platform that powers a 400 billion dollar com
Posted 60+ days ago | Updated 10 hours ago

Software Engineer, Legal Prompter - Spanish Speaking

Thomson Reuters U.S. Inc.

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Remote or Ann Arbor, Michigan, USA

Full-time

Software Engineer, Legal Prompter - Spanish Speaking We are seeking a creative bilingual backend engineer to join the team behind CoCounsel. You will help build applications that interact with state-of-the-art Large Language Models (LLMs) that deliver cutting-edge and time-saving solutions to attorneys in LATAM. CoCounsel is already capable of writing legal research memos, summarizing and reviewing documents, and red-lining contracts, just to name a few capabilities--all in minutes, not days or
Posted 60+ days ago | Updated 10 hours ago

Staff Software Engineer, Guest & Host - Pricing Guidance Team

Airbnb

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Remote

Full-time

Airbnb was born in 2007 when two hosts welcomed three guests to their San Francisco home, and has since grown to over 5 million hosts who have welcomed over 2 billion guest arrivals in almost every country across the globe. Every day, hosts offer unique stays and experiences that make it possible for guests to connect with communities in a more authentic way. The Community You Will Join: Airbnb is powered by our Host and Guest communities. Our teams work on everything from driving improvements
Posted 60+ days ago | Updated 10 hours 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 60+ days ago | Updated 10 hours ago

Java Backend Developer

Randstad - Torc

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Remote

Contract

We are looking for a Java Backend Developer to join our team! You will be responsible for designing, developing, and maintaining scalable and high-performance backend systems. If you are passionate about backend development, microservices, and cloud-based applications, this is the right opportunity for you! ResponsibilitiesDesign, develop, and maintain high-performance backend applications using Java.Implement RESTful APIs and integrate with external services.Work with microservices architecture
Posted 60+ days ago | Updated 18 days ago

ETL Backend Tester-Enrollment or Claims Insurance-Fully Remote

Elite Technical

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Remote

Contract

Absolutely no third parties please Candidates must reside locally in Maryland, Virginia, or Washington DC. Although fully remote, a final face to face interview will be required. There will be occasional onsite office visits Reston VA, roughly once per quarter. Bachelor of Science (BS) is required. Min. 6+ years of experience in an SDET position. In addition to automation, must have knowledge of Backend ETL Testing experience as well. Must have Healthcare Insurance Experience, specifically sup
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Posted 3 days ago

Software Engineering Technical Lead

Samsung Electronics America

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Remote or Los Angeles, California, USA

Full-time

Position Summary Samsung Electronics America's North American Service Business is tasked with building consumer services at a global scale. Driving growth in ad based services, and streaming compelling media to all Samsung screens ( TVs, phones, tablets, web, etc. ). This backend engineer will be architecting, coding, and deploying modules to our existing AWS backend for TV Plus. This individual will also provide technical mentorship and leadership to a backend team and help architect solutions
Posted 60+ days ago | Updated 10 hours ago

.Net Back End - Azure

Kforce Technology Staffing

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Remote or Boca Raton, Florida, USA

Contract, Third Party

RESPONSIBILITIES: Kforce has a client seeking a Senior .NET Developer remotely. Key Responsibilities: * Lead the design, development, and deployment of robust backend services using .NET Core/.NET 6+ * Architect and implement distributed, event-driven systems using Dapr for service-to-service communication, pub/sub, and state management * Develop and manage message-based integrations using RabbitMQ, Kafka, or Azure Service Bus * Work extensively with MySQL including stored procedures, schema de
Posted 32 days ago | Updated moments ago

Senior JavaScript Developer

Randstad - Torc

•

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 60+ days ago | Updated 18 days ago

UI Developer @ looking for only W2

Globex IT Solutions INC

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Malvern, Pennsylvania, USA

Contract

Title: UI Developer Location: Malvern, PADuration: Long term Job Description: Build scalable, modular interfaces using Angular v17+ and integrate with backend services using NestJS.Work closely with the product owner and backend developers throughout feature development.Focusing on reliability, scalability, and client satisfaction during the feature delivery process.Performance & Observability:Implement observability best practices using OpenTelemetry to monitor UI performance, user interactions
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Posted 1 day ago | Updated 1 day 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 60+ days ago | Updated 10 hours ago

.Net Backend Architect

Photon

•

Remote

Contract, Third Party

.Net Backend Architect Remote We are seeking a seasoned Backend Architect with deep expertise in regulated financial systems, trading platforms, and end-to-end trading infrastructure to lead the architecture and backend development of a greenfield Futures Commodity Commissions Market (FCM) platform. This product will power a federally regulated sports prediction market, akin to Robinhood s financial trading model, requiring full compliance with CFTC and NFA regulations. You will design, architec
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Posted 57 days ago | Updated 2 days ago

UI Developer

Judge Group, Inc.

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Malvern, Pennsylvania, USA

Contract

Location: Malvern, PA Description: Our large, FINTECH client is currently seeking a Senior UI Developer (Contract/Hybrid) to work a hybrid schedule in its Malvern, PA location. UI Development Build scalable, modular interfaces using Angular v17+ and integrate with backend services using NestJS.Work closely with the product owner and backend developers throughout feature development.Focusing on reliability, scalability, and client satisfaction during the feature delivery process.Performance &
Posted 20 hours ago | Updated 8 hours ago

Agile Delivery Lead (Cyber Security): Charlotte, NC: Hybrid

NodeLogix

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Remote or Charlotte, North Carolina, USA

Contract

Pays $60/hr ON W2 Til: 12/2025: Potential extensions W2: EAD 3 DAYS ** Experience leading API development/backend API Developer ** Jira/Confluence; ** Fluent in Agile; ** Lead technologist; ** Execute vision/delivery of vision; ** Strong Product Manager ** Understanding of cyber security centers. ** Demonstrated ability to work on multiple complex projects in a matrixed environment; ** Demonstrated ability to build strong relationships; ** Critical thinking. ** Attention to detail/detail orien
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Posted 3 days ago