Backend development jobs

California

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Today

Job Description This position is onsite, 4 days a week in San Fernando Valley Imagine combining your passion for casino-style games with cutting-edge technology that makes them fully legal in regions where traditional online gambling is off-limits. This innovative company has found a way to leverage a unique system and a patented mechanism to offer popular game formats within regulated environments. Our client is opening new frontiers in the digital entertainment space, and their business model

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Full-time

235k - 275k

Lead Java Engineer - Microservices Architecture

Hybrid in O'Fallon, Missouri

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Yesterday

Position: Senior/Lead Java Engineer Location: O Fallon, MO - Hybrid Duration: 6+ months with possible extension Must-have skills: Java Engineer with 5 years of experience and strong hands-on expertise in Java + Spring Boot.Proficiency in Spring Boot framework for backend development.Strong experience with Unit Testing to ensure code reliability and quality.Expertise in building and consuming REST APIs for seamless communication between systems.Solid knowledge of NoSQL Databases (e.g., MongoDB, C

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Contract

Depends on Experience

Engineering Manager

Washington, District of Columbia

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Today

A Washington DC-based startup is seeking an Engineering Manager to lead their growing team. The company is developing a cutting-edge platform to support political campaigns and advocacy organizations. By leveraging data-driven insights, they help campaigns operate more efficiently-enhancing voter engagement, improving digital advertising and targeting, and enabling smarter strategic decisions. Their platform includes a robust database of over 20 million active donors, complete with detailed reco

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Full-time

190k - 210k

Senior Software Engineering

King of Prussia, Pennsylvania

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Today

A growing, forward-thinking company in King of Prussia, PA is seeking a Senior Software Engineer to join their dynamic engineering team. This company helps critical infrastructure companies reduce downtime, cut costs, and accelerate repairs through smarter data and system tools. This is a hybrid full-time role working with Python, PostgreSQL, microservices, and distributed systems. This is a unique opportunity to join a startup making a real impact across energy, utilities, and telecommunicatio

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Full-time

140k - 150k

Senior Full Stack Developer

Hybrid in Seattle, Washington

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2d ago

At Ziply Fiber, our mission is to elevate the connected lives of our communities every day. We re delivering the fastest home internet in the Northwest, with a focus on areas traditionally underserved by mainstream internet companies. And as our state-of-the-art fiber network expands in WA, OR, ID and MT, so does our need for team members who can help us grow and realize our goals. We may be building internet, but we are reaching real people. We strive to build relationships and provide customer

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Full-time

$108,000 - $167,019

Senior Full Stack Developer

Hybrid in Dallas, Texas

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2d ago

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Full-time

$108,000 - $167,019

Software Engineer .NET

Mesa, Arizona

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Today

Software Engineer We're hiring a Backend .NET Developer (Contract / Hybrid - 2 days onsite in Mesa, AZ) for a high-impact role with a tech-driven company supporting secure, large-scale systems. This is a 6-12 month contract focused on backend development, technical documentation, and collaboration with cross-functional teams. You'll work on backend services and APIs while also contributing to clear, well-organized technical documentation. This is a great opportunity for developers with strong .N

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Full-time

40/hr - 50/hr

Full Stack Java Developer

Washington, District of Columbia

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8d ago

LTS is looking for a dynamic, experienced Full Stack Java Developer who is passionate about modern technologies, thrives in Agile environments, and wants to be part of a team that is shaping the future of government IT. We are not just writing code, we are powering mission-critical systems that support the Department of Commerce and other cabinet-level agencies. If you are ready to build solutions that make a real impact, this is your chance to work in Washington, D.C., to support high profile p

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Full-time

$140,000 - $180,000

.NET Software Engineer

Phoenix, Arizona

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Today

Backend .NET Developer We're looking for a Backend .NET Developer for a contract role with a technology-focused organization that works on secure, large-scale systems. This position is hybrid, requiring two days per week onsite in Mesa, AZ, and will run 6-12 months. You'll focus primarily on backend development and API work, while also helping produce clear, structured technical documentation. This role is ideal for a developer with solid .NET skills who enjoys building reliable backend services

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Full-time

50/hr - 60/hr

Sr. Solution Architect

Dallas, Texas

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Today

IDR is seeking a dedicated Sr Solution Architect to join one of our esteemed clients at their location in Dallas, TX. If you are a tech-savvy professional with a knack for problem-solving and a passion for Solution Architecture/Design, we encourage you to apply today! Position Overview/Responsibilities for the Sr Solution Architect: The Senior Solution Architect will serve as a strategic partner to business and product leadership, ensuring technology decisions align with business goals and grow

Full-time

Senior .NET/SQL/Python Developer, Portsmouth, NH Local

Portsmouth, New Hampshire

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Today

A fintech company is looking for a senior .NET/SQL developer. They have been around since 2002 and provide automated payroll tax reporting, employee engagement for HR reporting, and comprehensive compliance solutions to mid-sized companies in America. Currently they are looking for a developer that will be working on their flagship application which allows the business to function. This job is hybrid 2 days a week in Portsmouth, NH. They have an exciting culture and create a great work-life bala

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Full-time

130k - 145k

Senior Level Java Engineer 8-10 years

Phoenix, Arizona

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Today

A software company located in Southern California is looking to bring on a Staff level Java Engineer. They're also open to 8-10 year Senior level candidates who don't already have a Staff title. You'll be developing in Java, SpringBoot, AWS and IAC, React, Typescript, Javascript, Next.JS, Rest API and Terraform. You'll be doing 70% backend development, 30% front end development and heavily doing 90% greenfield development. You'll work on their consumer facing application and this role is remote,

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Full-time

160k - 185k

Staff Level Java Engineer/PST Remote

Remote or Los Angeles, California

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Today

Easy Apply

Full-time

160k - 185k

Senior Level Java Engineer 8-10 years

San Diego, California

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Today

Easy Apply

Full-time

160k - 185k

Staff Level Java Engineer/PST Remote

Remote or Salt Lake City, Utah

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Today

Easy Apply

Full-time

160k - 185k

Staff Level Java Engineer/PST Remote

Remote or Las Vegas, Nevada

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Today

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Full-time

160k - 185k

Backend Developer (Node.js, Python, FAST API)

Remote

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3d ago

Who are we? For the past 20 years, we have powered many Digital Experiences for the Fortune 500. Since 1999, we have grown from a few people to more than 4000 team members across the globe that are engaged in various Digital Modernization. For a brief 1 minute video about us, you can check . What will you do? What are we looking for? Key Responsibilities: Design, develop, and maintain resilient and scalable microservices using Python with the FastAPI framework.Build and integrate efficient RES

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Full-time, Third Party

Depends on Experience

.NET Developer

Hybrid in Madison, Wisconsin

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12d ago

IO Datasphere, Inc. has been providing project management, software development and IT staff augmentation services to our clients in the Midwest and throughout the U.S. since 1996. We are an approved vendor on contract to provide software development and IT staff augmentation services for the States of Illinois, Michigan, Minnesota, Iowa, and Wisconsin. We also provide these services to businesses, as well as local and county governments, in the Midwest and nationwide. Our client is looking for

Contract, Third Party

$60 - $68

Full Stack .NET developer

Denver, Colorado

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Today

Location: Denver, CO Salary: $85,000.00 USD Annually - $115,000.00 USD Annually Description: We're building a high-performance trading platform to support our clients expansion into the U.S. market! About the Role As a Full Stack Engineer, you'll play a key role in designing, developing, and maintaining scalable systems that power real-time trading and data processing. Our N-tier distributed architecture handles large volumes of data, especially during high-profile sporting events, where pe

Contract

USD 85,000.00 - 115,000.00 per year

Mid-Level Developer / Java / DOD / Onsite

Atlantic City, New Jersey

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Today

A leading technology partner supporting large-scale modernization efforts in aviation is hiring a Mid-Level Software Engineer to join an established development team. In this role, you'll help rebuild and modernize a secure web application that plays a key role in real-time system operations across the country. The position involves mostly backend development with some frontend refactoring. You'll be working in a modern microservices environment using Java, Spring Boot, and Angular on the front

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Full-time

90k - 120k

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Backend development jobs