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Application Developer Jobs in Uptown, NJ

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Principal Software Engineer, Infra & Platform Gradial

Seattle, Washington

Our platform orchestrates across martech stacks, workflows, and people to automate marketing execution, cutting execution time, so marketers focus on the work only humans can do: shaping brands, understanding customers, and creating the work that moves people. This is a hands-on individual contributor leadership role for someone who wants real ownership, high leverage, and the opportunity to define how platform reliability looks at an AI-native company.

30+ days ago

Principal Software Engineer Walmart Inc

Bellevue, WA

$132,000–$264,000 / year

As a Principal Software Engineer on the Marketplace Platform team, you will play a pivotal role in driving the architecture, design and maintenance of advanced frameworks that elevate Walmart''s Marketplace capabilities, ensuring unparalleled experiences for both sellers and channel partners. Option 1: Bachelor''s degree in computer science, computer engineering, computer information systems, software engineering, or related area and 5 years' experience in software engineering or related area.

30+ days ago

Principal Software Engineer, Foundry Agents - CoreAI Microsoft Corp

Redmond, WA

$142,800–$274,800 / year

Within CoreAI, the Foundry Agents organization is responsible for key ownership areas across the end‑to‑end agent lifecycle: (a) Foundry Agents platform to deploy and run agents securely at enterprise scale with seamless integration with governed tools, (b) model fine‑tuning to train and improve agentic performance, and (c) Foundry observability to generate insights from agentic traces and continuously evaluate and optimize agents. Preferred Qualifications: Masters Degree in Computer Science or related technical field AND 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelors Degree in Computer Science or related technical field AND 15+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.

30+ days ago

Principal Software Engineer, High Value Send Remitly

Seattle, Washington

Deep backend expertise in languages such as Java, Kotlin, Go, or Python, plus experience shaping customer-facing web and mobile systems with technologies such as TypeScript, React, or native mobile frameworks. Advanced distributed-systems design expertise, including cloud infrastructure, safe architecture evolution, and resolving root causes of scaling, latency, data-quality, or dependency problems in production.

7 days ago

Principal Software Engineer - Agentic Engineering Microsoft Corp

Redmond, WA

$165,600–$296,400 / year

In this role, you will help turn WSSIs most successful agentic capabilities into a compelling technical story: demonstrating what is possible, sharing lessons and reusable approaches, building excitement and credibility with engineering leaders, and establishing WSSI as a source of innovation in agentic engineering across Windows + Devices and Microsoft. Pioneer closed-loop agentic engineering systems that combine telemetry, engineering data, tools, and reasoning to detect issues, investigate likely causes, automate diagnostic and debugging workflows, propose and implement solutions, and verify outcomes with appropriate human oversight.

3 days ago

Principal Software Engineer, Core Infrastructure Oracle

Seattle, WA

It is a tier-0 platform service that supports core OCI services across regions and realms, with strict transaction semantics, predictable performance goals, scalable data-plane architecture, streaming, garbage collection, cost-based throttling, and ongoing evolution of its storage and data models. You will work on challenging problems such as read/write scalability, strict serializability, multi-version concurrency control, data-plane architecture, operational automation, performance isolation, resiliency, and global service growth.

30+ days ago

Lead Principal Software Engineer, Core Infrastructure Oracle

Seattle, WA

Experience with AI/ML infrastructure, multi-node GPU clusters, accelerated compute, model training or inference platforms, GPU scheduling, device plugins, Karpenter, cluster autoscaling, CUDA, NCCL, RoCE, InfiniBand, RDMA, SmartNIC/DPU offload, or high-performance AI/HPC networking is a significant plus. The OKE team owns a highly available 24x7 cloud service and is expanding the platform to support larger clusters, higher scale, improved operability, deeper OCI integrations, and increasingly demanding cloud native, AI, and GPU workloads.

15 days ago

Principal Software Engineer (Fullstack) Echodyne Corp

Kirkland, WA

$164,594–$246,788 / year

You’ll play a key role in architecting robust solutions, collaborating across engineering, product, and UX, and ensuring our technology thrives in real-world, dynamic environments. Deliver core platform components: async (Tokio/Rust) backend services, well-defined APIs, and real-time data/event models.

30+ days ago

Principal Software Engineer Fullstack Echodyne Corp

Kirkland, WA

$164,594–$246,788 / year

You'll play a key role in architecting robust solutions, collaborating across engineering, product, and UX, and ensuring our technology thrives in real-world, dynamic environments. Deliver core platform components: async (Tokio/Rust) backend services, well-defined APIs, and real-time data/event models.

30+ days ago

Principal Software Engineer Protingent

Redmond, WA

$185,000–$255,000 / year
Quick Apply

About Protingent: Protingent is an Award-Winning provider of top-tier Engineering and IT talent, trusted by companies at the forefront of innovation — from Software and Aerospace to AI, Clean Tech, Medical Devices, and Connected Technologies. Job Qualifications: 10+ years of software development experience, having progressed from shipping great software to shaping how organizations approach building it.

30+ days ago

Backend Software Development Engineer - Mid/Senior/Lead/Principal Salesforce.com, Inc.

Bellevue, WA

$117,200–$313,700 / year

For Big Data roles: Working with Phoenix, HBase, MapReduce, Yarn, Kafka, Spark, Hive, Presto, or equivalent large-scale distributed systems technologies on a modern containerized deployment stack. You will be working with a group of world-class engineers to build the breakthrough features our customers will love, adopt, and use while keeping our trusted CRM platform stable and scalable.

30+ days ago

Principal Software Engineer Lambda Labs

Bellevue, WA

Our investors notably include TWG Global, US Innovative Technology Fund (USIT), Andra Capital, SGW, Andrej Karpathy, ARK Invest, Fincadia Advisors, G Squared, In-Q-Tel (IQT), KHK & Partners, NVIDIA, Pegatron, Supermicro, Wistron, Wiwynn, Gradient Ventures, Mercato Partners, SVB, 1517, and Crescent Cove. Own the multi-year technical strategy for Lambda's networking software roadmap covering tools, software and services supporting backend GPU fabric, frontend networks, backbone, edge and everything in between.

19 days ago

Principal Software Engineer Atlassian

Seattle, Washington

$209,700–$273,775 / year

Own customer-facing product features end to end across the full stack — React/TypeScript front ends, backend services, and APIs — taking ambiguous problems all the way to shipped, measured outcomes. You'll own customer-facing products end to end across the full stack, shape what gets built rather than just how, and build the next generation of AI-native and agentic experiences used by teams all over the planet.

24 days ago

Principal/Senior Software Engineer, Experimentation Platform - CoreAI Microsoft Corp

Redmond, WA

$119,800–$234,700 / year

Preferred: Master's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelor's Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience. Qualifications Required: Bachelors Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.

30+ days ago

Principal Software Engineer- Core AI Platform JPMorgan Chase & Co

Seattle, WA

Strong understanding of responsible AI use in engineering workflows, including data sensitivity considerations, secure handling of inputs/outputs, and adherence to resiliency and security expectations; experience coaching engineers on safe, compliant adoption within delivery practices. JPMorganChase, one of the oldest financial institutions, offers innovative financial solutions to millions of consumers, small businesses and many of the world's most prominent corporate, institutional and government clients under the J.P.

30+ days ago

Principal Software Engineer, AI Compute Infrastructure ARM Ltd

Seattle, WA

$262,700–$355,400 / year

You will guide work across Kubernetes clusters, accelerator enablement, workload scheduling, high-performance networking, storage, and capacity management, partnering with AI researchers and engineers to improve reliability, performance, scalability, and developer productivity. Familiarity with frameworks such as PyTorch, Ray, vLLM, SGLang, or TensorRT-LLM, or experience qualifying accelerators and tuning distributed workloads.

29 days ago

Principal Software Engineer, AI Inference Cloud ARM Ltd

Seattle, WA

$262,700–$355,400 / year

Strong software and production engineering skills, including hands-on programming in Go, C++, Rust, Python, or a similar language, and experience with reliable services, APIs, concurrency, observability, deployment safety, capacity planning, and incident response. A track record of leading complex technical initiatives while remaining hands-on, including architecture, implementation, debugging, mentoring, and influencing technical direction across teams.

29 days ago

Distributed Systems Software Engineer - Public Cloud (Mid/Senior/Lead/Principal) Salesforce.com, Inc.

Bellevue, WA

$117,200–$313,700 / year

You will need deep experience with concurrency, large scale systems, proficiency with solving real-world data management challenges, a strong understanding of how to craft solutions that are highly available, and a proven ability to design, develop, and optimize the core back-end systems. Our Public Cloud engineering teams are responsible for innovating and maintaining a large scale distributed systems engineering platform that ships hundreds of features to production for tens of millions of users across all industries every day.

30+ days ago

Principal Software Engineer - CTJ - TS/SCI Microsoft Corp

Redmond, WA

$142,800–$274,800 / year

You will be part of a cross-functional team of software engineers, data scientists, technical program managers, and designers who work side-by-side with high-impact and strategic customers and their engineers to build innovative solutions. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year.

9 days ago

Principal Software Engineer (10378) Extreme Networks Inc

Seattle, WA

$220,000–$250,000 / year

Do you want to help build highly scalable systems that process real-time network data, power intelligent experiences, and enable AI agents to reason, remember, plan, collaborate, use tools, and safely take action on behalf of users? Experience in one or more of the following areas: real-time microservices, stream processing, distributed data platforms, cloud infrastructure, AI or agentic systems, network telemetry, or large-scale analytics.

30+ days ago

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Application Developer Jobs in Uptown, NJ

Principal Software Engineer, Infra & Platform Gradial

Principal Software Engineer Walmart Inc

Principal Software Engineer, Foundry Agents - CoreAI Microsoft Corp

Principal Software Engineer, High Value Send Remitly

Principal Software Engineer - Agentic Engineering Microsoft Corp

Principal Software Engineer, Core Infrastructure Oracle

Lead Principal Software Engineer, Core Infrastructure Oracle

Principal Software Engineer (Fullstack) Echodyne Corp

Principal Software Engineer Fullstack Echodyne Corp

Principal Software Engineer Protingent

Backend Software Development Engineer - Mid/Senior/Lead/Principal Salesforce.com, Inc.

Principal Software Engineer Lambda Labs

Principal Software Engineer Atlassian

Principal/Senior Software Engineer, Experimentation Platform - CoreAI Microsoft Corp

Principal Software Engineer- Core AI Platform JPMorgan Chase & Co

Principal Software Engineer, AI Compute Infrastructure ARM Ltd

Principal Software Engineer, AI Inference Cloud ARM Ltd

Distributed Systems Software Engineer - Public Cloud (Mid/Senior/Lead/Principal) Salesforce.com, Inc.

Principal Software Engineer - CTJ - TS/SCI Microsoft Corp

Principal Software Engineer (10378) Extreme Networks Inc

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