backend engineer, messaging systems jobs

Newark, California

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Today

About the Role We are looking for a hardcore Java developer to lead the migration of existing backend services into a Java microservices architecture. The ideal candidate has strong expertise in Java, Spring Boot, microservices, concurrency, and experience with code generation tools to accelerate development.Key Responsibilities Migrate and refactor backend services into Java microservices (Spring Boot).Define and implement scalable architecture & best practices.Leverage code generation tools (e

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Third Party, Contract

$75 - $80

Java Backend Engineer

Toronto, Ontario

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27d ago

Title: Java Backend Engineer We are seeking a strong individual contributor backend engineer with hands-on experience architecting and building large scale distributed web applications. You should be able to own the end-end architecture from front end to back end systems and guide the team on core technical design. Responsibilities Collaborate closely with peers, Architects, Product Managers, Business Analysts, Quality Engineers, and Operations teams to develop innovative solutions that meet fu

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Contract

Depends on Experience

Senior Backend Engineer Factory Software

Buffalo, New York

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Today

RESPONSIBILITIES: Kforce has a client in Buffalo, NY that is seeking a highly motivated Senior Backend Software Engineer with expertise in server-side and backend development to join a small, high-performing team. You will build scalable software systems that support advanced manufacturing operations across a range of innovative products. REQUIREMENTS: * Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, or equivalent experience with evidence of exceptional abi

Contract, Third Party

$60 - $75 hourly

Senior Backend Software Engineer, TikTok - Social User and Relation

Los Angeles, California

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Today

Responsibilities TikTok Social team drives significant user engagement and retention wins through fun, innovative, and technically sophisticated products and features. We move fast, with precision, and consistently execute with privacy at the forefront. Some core features and components we build and maintain include User Profile, Story, Inbox, Messaging, Follow, Like, Comment, Tag, etc. We seek talented individuals who enjoy the intersection of product, data, design, and engineering. As a Socia

Full-time

USD 177,688.00 - 341,734.00 per year

Staff Software Systems Engineer, Mail and Messaging

San Diego, California

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Today

Company Description It all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today - ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500 . Our intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work. But thi

Full-time

USD 147,300.00 - 257,800.00 per year

iOS Software Engineer, TikTok - Social User and Relation

Los Angeles, California

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Today

Full-time

USD 118,657.00 - 246,240.00 per year

Backend Software Engineer Intern (TikTok-Social-Graph) - 2026 Summer (BS/MS)

Los Angeles, California

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Today

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-level multi-hop queries, dynamic cluster and community detection, and real-time graph mining-directly powering key f

Full-time

USD 42.75 - 42.75 per hour

Sr. Backend Engineer, Fleetnet, Vehicle Software

Remote or Palo Alto, California

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Today

Come join a small team of experts building the systems that connect Tesla and our customers to their cars. Companies have talked for years about a future of "connected cars." At Tesla, we're at the forefront of innovation by providing a complete suite of rich backend services to our exponentially growing fleets. The team specialized in IoT communication is in charge of every remote interaction with the vehicles (remote control, remote diagnostic, vehicle fleet telemetry for self-learning Autopi

Full-time

USD 140,000.00 - 252,000.00 per year

Backend Software Engineer

Alpharetta, Georgia

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Today

Calling all innovators - find your future at Fiserv. We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a differ

Full-time

USD 82,000.00 - 141,600.00 per year

Senior Backend Software Engineer

Alpharetta, Georgia

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Today

Full-time

USD 90,000.00 - 158,400.00 per year

Senior Software Engineer - (Backend) Customer Obsession

San Francisco, California

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Today

About the Role At Uber, customer obsession drives everything we do. We are dedicated to building products that provide exceptional support all our users beRiders, Drivers, Eaters, and Restaurants. Customer Obsession team focuses on creating seamless experiences through in-app conversation first tailored support for multiple lines of business. This role provides an exciting opportunity to work with cutting-edge technologies, including generative AI, to create advanced automation solutions. Addi

Full-time

USD 198,000.00 - 220,000.00 per year

MTS 1, Backend Software Engineer

San Jose, California

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Today

At eBay, we're more than a global ecommerce leader - we're changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We're committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts. Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work - every day. We're in this together, sustaining the futur

Full-time

USD 166,400.00 - 222,100.00 per year

Lead Java Backend Engineer - VP - TAMPA

Remote or Tampa, Florida

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Today

The Lead Java Backend Engineer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Responsibilities: Design, develop, and maintain Java web applications using Spring Boot within a microservices architectureEngage in the full software development lifecycle (SDLC), including planning,

Full-time

USD 113,840.00 - 170,760.00 per year

Senior, Software Engineer - Backend - Data Ventures

Sunnyvale, California

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Today

Position Summary What you'll do Our organization focuses on managing and delivering world-class data assets, including creating and maintaining data standards, driving policy compliance, creating partnerships, and developing pipelines and self-service tools. We empower our business to leverage data to fuel growth, driving revenue in our core and building new business model opportunities. MUST HAVE: Jave, SpringBoot, Microservices, Cloud Technologies, Kafka, MySQL About Data Ventures: Data Ven

Full-time

USD 117,000.00 - 234,000.00 per year

Software Engineer - Backend

Remote or Portland, Oregon

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Today

Full-time

USD 95,200.00 - 168,700.00 per year

Backend Softwarer Engineer II - Premium

Phoenix, Arizona

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Today

RESPONSIBILITIES: Kforce has a client in Phoenix, AZ that is seeking a Backend Softwarer Engineer II - Premium. Responsibilities: * Build software as part of a nimble agile Team where you have every opportunity to make an impact on the bottom line and contribute to the architecture * Ensure our infrastructure is safely extensible, scalable, reliable and meets SLAs for both external and internal users * Create a brand for our platform composed of amazing APIs, Developer Portal, Tutorials and SDK

Contract

$70 - $70 hourly

Senior Java Backend Engineer

Hybrid in Sunnyvale, California

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26d ago

Title: Senior Java Backend Engineer Location: Sunnyvale, CA Duration: Long term Responsibilities: Develop and maintain scalable Java-based microservices. Implement messaging pipelines with Kafka. Design and build RESTful APIs with secure, token-based authentication. Optimize backend systems using caching, resilience, and retry patterns. Collaborate across teams for integration and deployment via CI/CD. Monitor application health via observability tools (Grafana, Splunk). Solve complex backend pr

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Contract

Depends on Experience

Java Backend - Software Engineer

Hybrid in Sunnyvale, California

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13d ago

Job Title: Backend - Software Engineer Location: Sunnyvale, CA (Hybrid) Job Description: Leads and participates in medium- to large-scale projects by reviewing project requirements, translating requirements into technical solutions, gathering requested information (e.g., design documents, product requirements, wireframes), writing and developing code, conducting unit testing, communicating status and issues to team members and stakeholders, collaborating with project and cross-functional teams

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Full-time

$80,000+

Lead Backend Engineer (Java) - Locals Only

Fremont, California

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Yesterday

About the Role We are seeking a highly skilled expert to develop and own the migration of our existing Backend services to a Java-based microservices architecture. In this role, you will lead the entire migration process from planning and design to backend development, execution, and final delivery ensuring a seamless transition and minimal disruption to our services. Required Qualifications Java & Microservices 10+ years of professional experience in Java (preferably with Spring Boot), with a

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Contract

Depends on Experience

Backend Engineer(REST API,JavaScript, React,Python,Postgres/MySQL,LLM)

San Francisco, California

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2d ago

Job Description: About the Role You'll be one of the very first engineers shaping our core product and reimagining how people integrate AI companions into their day-to-day workflows. Expect to:Think from zero. Whiteboard the concept in the morning and demo it by evening.Own the stack. Backend, frontend, model orchestration, observability whatever removes friction between idea and shipped product.Bridge research and delight. Sit beside scientists, translate breakthroughs into polished consumer ex

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Full-time

Depends on Experience

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backend engineer, messaging systems jobs