Mid-Level Software Developer Jobs in Seattle, WA

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Software Engineer Technical Leader Observability Data Platform

Splunk Inc.

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California, USA

Full-time

Description Join us as we pursue our disruptive new vision to make machine data accessible, usable, and valuable to everyone. We are a company filled with people who are passionate about our product and seek to deliver the best experience for our customers. At Splunk, we're committed to our work, customers, having fun, and most importantly to each other's success. As applications and systems become more sophisticated and user experience is at high stake, observability - the ability to monitor
Posted 42 days ago | Updated 12 hours ago

Lead Svelte Front End Developer

New York Technology Partners

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Remote

Third Party, Contract

What We re Looking For 8+ years of experience in software engineering and frontend application development.Expertise of the Svelte framework and strong portfolio of Svelte projects. Strong proficiency JavaScript/TypeScript and Svelte. Proficiency in Python. Experience throughout the software development life cycle, including design, architecture, development, testing, deployment, maintenance, frontend, backend, and DevOps.Proficiency using Azure or similar cloud computing ecosystemStrong commun
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Posted 1 day ago

Field Engineer 2 - San Francisco, CA

GE Healthcare

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Remote

Full-time

Job Description Summary The Senior Field Service Engineer performs on time and accurate preventative maintenance in one or more modalities of equipment. The Senior Field Service Engineer is aware of and follows all Field Modification Instructions and/or Instrument Service Information bulletins. Works independently to trouble shoot and perform moderately complex repairs on assigned equipment. Independently performs and leads equipment installations in one or more modalities. Responsible for drivi
Posted 60+ days ago | Updated 12 hours ago

Senior Data Integration Engineer

GovCIO

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Remote

Full-time

Overview GovCIO is seeking a highly skilled Senior Data Integration Engineer to support healthcare data interoperability efforts within the VA Program. This role is ideal for a technical expert with deep experience in Oracle SQL/PLSQL and Java, combined with a strong background in HL7 messaging and healthcare data exchange. The ideal candidate will be a self-driven engineer who thrives in a fast-paced, collaborative environment and can clearly communicate complex data issues to both technical a
Posted 2 days ago | Updated 8 hours ago

IT Security Engineer/Lead

Accylerate

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Remote

Contract

Title: IT Security Engineer/Lead Location: Richmond, VAWork Type: 100% remote Duration: Long-term Contract bout the RoleWe are seeking a highly experienced Security Architect IV to join our team on a contract basis. This role will focus on developing and documenting System Security Plans (SSPs) for suppliers and enterprise applications, ensuring compliance with COV SEC530 standards and the NIST 800-53 framework.The ideal candidate will have a strong background in security architecture, control a
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Posted 2 days ago | Updated 2 days ago

MS Copilot Cybersecurity Engineer

Milestone Technologies, Inc.

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Remote

Contract

MS Copilot Cybersecurity Engineer Contract 5+Months Remote Seeking a Sr. Cybersecurity Engineer with deep, hands-on experience in Microsoft Copilot technologies, including Copilot for Microsoft 365, Copilot Chatbot, and Copilot Studio. This individual will work within our Security Engineering department to develop AI-powered solutions tailored for security use cases using generative AI tools primarily Microsoft Copilot. The ideal candidate will bring a wealth of knowledge and practical experienc
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Posted 1 day ago

Senior CyberArk/PAM Engineer

Mass General Brigham

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Remote or Somerville, Massachusetts, USA

Full-time

Site: Mass General Brigham Incorporated Mass General Brigham relies on a wide range of professionals, including doctors, nurses, business people, tech experts, researchers, and systems analysts to advance our mission. As a not-for-profit, we support patient care, research, teaching, and community service, striving to provide exceptional care. We believe that high-performing teams drive groundbreaking medical discoveries and invite all applicants to join us and experience what it means to be par
Posted 3 days ago | Updated 12 hours ago

Senior Kubernetes Platform Engineer

Leidos

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Remote

Full-time

Leidos has a current opening for a Senior Kubernetes Platform Engineer to play a pivotal role in our dynamic team based out of Blacksburg, Virginia. This role allows partnering with a distinguished team of professionals to advance internal and client projects focusing on application containerization, automation, and redesign/re-architecture clusters supporting mission-critical applications hosted on Kubernetes. Utilize your expertise to assist with the consultation and design of infrastructure t
Posted 4 days ago | Updated 12 hours ago

Infrastructure Engineer Senior - Principle

American Electric Power

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Remote or Gahanna, Ohio, USA

Full-time

Job Posting End Date 07-13-2025 Please note the job posting will close on the day before the posting end date Job Summary Part of a larger team delivering high quality Computer, Network, Storage and End-User Infrastructure technology solutions, on-going support to the business. Independently completes infrastructure project assignments. Plan, research, evaluate, design, and engineer the enterprise's technology infrastructure. Provide technical support and troubleshooting, cost estimates, justif
Posted 4 days ago | Updated 12 hours ago

Senior ASIC Synthesis Engineer

NVIDIA Corporation

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Remote or Santa Clara, California, USA

Full-time

Come be a part of new process technology adoption by joining NVIDIA's Advanced Technology Group! Work as part of the advanced technology team to optimize design tradeoffs and methodology on next generation CMOS technology. We are looking for a Senior ASIC Synthesis Engineer to join our dynamic and growing team! If you are problem solver and highly motivated individual searching for a collaborative and exciting role, join us today. We encourage applicants with a history of proven success working
Posted 4 days ago | Updated 12 hours ago

Senior Data Visualization Engineer

Humana Inc

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Remote

Full-time

Become a part of our caring community and help us put health first The Senior Data Visualization Engineer builds user interfaces, visualizations, and data algorithms. Takes complex data and making it more accessible, understandable and usable for leaders to derive insights and ultimately enable them to make the better business decisions. The Senior Data Visualization Engineer work assignments involve moderately complex to complex issues where the analysis of situations or data requires an in-dep
Posted 4 days ago | Updated 12 hours ago

Senior System Performance and Power Engineer

NVIDIA Corporation

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Remote or Santa Clara, California, USA

Full-time

Join NVIDIA, a trailblazer at the forefront of graphics and artificial intelligence performance, efficiency, and innovation. From our roots as a groundbreaking graphics company, we have evolved into a global leader in artificial intelligence, continuously pushing the boundaries to solve complex challenges across diverse industries. NVIDIA Silicon Solutions Group is seeking a versatile engineer to be part of the HW ArchDev team. The SSG team is uniquely positioned to have an end-to-end view of t
Posted 60+ days ago | Updated 12 hours ago

Sr. Systems/Logistics Engineer

Lockheed Martin Corporation

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Remote or Orlando, Florida, USA

Full-time

Job Description WHO WE ARE At Lockheed Martin Rotary and Mission Systems (RMS), we are driven by innovation and integrity. We believe that by applying the highest standards of business ethics and visionary thinking, everything is within our reach - and yours as a Lockheed Martin employee. Lockheed Martin values your skills, training, and education. Come and experience your future! WHAT WE'RE DOING Lockheed Martin is looking for a Logistics Engineer with experience in Integrated Logistics Suppo
Posted 6 days ago | Updated 11 hours ago

Senior Staff Verification Engineer

Marvell Semiconductor Inc.

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Texas, USA

Full-time

About Marvell Marvell's semiconductor solutions are the essential building blocks of the data infrastructure that connects our world. Across enterprise, cloud and AI, automotive, and carrier architectures, our innovative technology is enabling new possibilities. At Marvell, you can affect the arc of individual lives, lift the trajectory of entire industries, and fuel the transformative potential of tomorrow. For those looking to make their mark on purposeful and enduring innovation, above and be
Posted 6 days ago | Updated 12 hours ago

Senior Systems Test Engineer

SAIC

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Remote

Full-time

Job ID: 2506797 Location: REMOTE WORK, VA, US Date Posted: 2025-06-18 Category: Engineering and Sciences Subcategory: Test Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: Yes Description SAIC is seeking a Senior Systems Test Engineer support of test campaign designs, planning, execution, analysis, and reporting of radiation detection systems for ou
Posted 22 days ago | Updated 9 hours ago

Senior full stack Java Engineer

Tekniforce

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Remote or Raleigh, North Carolina, USA

Full-time

We are looking for a Senior full stack Java Engineer. This is a full-time permanent hire position with our client in Raleigh, NC. In this role as a Senior full stack Java Engineer, you will be a part of a team that is building highly scalable Enterprise Applications with large amounts of data and Real Time processing and / or distributed Client Applications for the company. No visa sponsorship is available at this time or in future for this position. Responsibilities as Senior full stack Java En
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Posted 7 days ago | Updated 7 days ago

Mechanical Design Engineer Sr

Lockheed Martin Corporation

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Remote or Grand Prairie, Texas, USA

Full-time

Job Description You will be the Mechanical Design Engineer for the Lockheed Martin Missiles and Fire Control (MFC) team. Our team is responsible for designing, developing, and manufacturing precision engagement aerospace and defense systems for the U.S. and allied militaries, as well as providing products and services for the global civil nuclear power industry and military's green power initiatives. What You Will Be Doing As the Mechanical Design Engineer, you will be responsible for impleme
Posted 7 days ago | Updated 12 hours ago

Lead UX/UI Developer

Kforce Technology Staffing

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Remote or New York, New York, USA

Full-time

RESPONSIBILITIES: Kforce is working with a client in search of a UX/UI Developer to join their team for a remote role. Summary: Are you a hands-on UX/UI developer who thrives on building sleek, high-performing web and mobile applications? We are looking for a Lead UX/UI Developer who's ready to code, lead, and inspire. This is a unique opportunity to shape the user experience of cutting-edge consumer-facing platforms while mentoring a talented team. Key Tasks: * Develop responsive web and mobi
Posted 8 days ago | Updated 5 hours ago

Sr. Java J2EE Developer

Ultimo Software Solutions Inc.

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Remote or Amaravathi, Andhra Pradesh, India

Contract

Java Spring Boot & Kafka Engineer Minimum 7+ years of professional software engineering experience. Proven expertise in Java, J2EE, Spring Boot, JPA, Axon, and Kafka. Experience using Maven and Gradle build tools Kafka ecosystem. Kafka Streams library. Kafka Avro schemas Strong experience providing end-to-end support for complex enterprise applications. Excellent problem-solving, analytical, and communication skills. Experience working in Agile environments with a continuous delivery mindset. K
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Posted 8 days ago | Updated 8 days ago

Senior Security Encryption Engineer

TekDallas

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Remote

Full-time

Job Title: Security Encryption Engineer (Remote, EST Hours)Type: 6-Month Contract-to-HireLocation: 100% Remote (Must work EST hours) We're hiring a Senior Security Encryption Engineer with strong hands-on experience in IBM SKLM, Century, Voltage, and Linux systems. Must have knowledge of Broadcom Caps & Cars, encryption key management, and scripting. Ideal for someone skilled in implementing and managing enterprise encryption solutions.
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Posted 9 days ago | Updated 3 days ago