Senior Developer III jobs

Software Engineer: III (Senior) / Backend Engineer

Quincy, Massachusetts

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Today

Location: Quincy, MA Salary: $75.00 USD Hourly - $80.00 USD Hourly Description: Senior Software Engineer / Backend Engineer Location: Quincy, MA (Hybrid - 3 days/week onsite) Employment Type: 03 month Contract (possibility of extension) About the Role We are seeking a Senior Software Engineer to join a major banking project, contributing to end-to-end design, development, and delivery of high-impact systems. This role requires strong technical expertise combined with the ability to analyze

Contract

USD 75.00 - 80.00 per hour

Sr. Senior Platform Engineer III

Washington, District of Columbia

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Today

Description: Onsite in Washington dc, DC The organization is pursuing a Sr. Senior Platform Engineer to support mission-critical federal workloads through Kubernetes platform engineering, CI/CD, and infrastructure automation. The role operates within an Agile delivery model and requires clear communication with stakeholders while ensuring platform reliability, performance, and security. This is a full-time, permanent opportunity, offering a competitive salary and comprehensive benefits packag

Full-time

USD 185,000.00 - 255,000.00 per year

Senior Software Engineer - Back End III

Cincinnati, Ohio

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Today

Job#: 3013470 Job Description: Job Title: Sr. Software Engineer Location: Cincinnati, OH Pay: $60-$68 Length: End of 2026 Job Description Key Responsibilities Design and develop Spring Boot-based microservices and RESTful APIs.Deploy applications using AWS ECS Fargate and/or Kubernetes.Implement event-driven architectures using Amazon MSK and RDS (PostgreSQL).Develop Spring Batch jobs and integrate monitoring through CloudWatch.Automate infrastructure provisioning with Terraform and manage

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Full-time

USD 60.00 - 68.00 per hour

Senior Software Engineer III

Ohio

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Today

Job#: 3023978 Job Description: Job Title: Senior Software Engineer Location: Remote (EST Hours) Pay: $65-$70 Length: 6 months Job Description General Function The role is part of an agile development squad responsible for delivering new features and enhancing system capabilities using modern software engineering tools and practices. The position follows established standards and guidelines set by communities of practice and contributes to a culture of continuous improvement. The role supp

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Full-time

USD 65.00 - 70.00 per hour

Senior Software Engineer III

Cincinnati, Ohio

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Today

Job#: 3018279 Job Description: Job Title: Software Engineer Job Location: Cincinnati, OH Pay Range: $60/hr-$70/hr Contract Length: 8 months Job Description The Full Stack Application Developer is responsible for leading the design, development, and maintenance of software applications across the full technology stack. This role requires strong technical expertise, effective communication skills, and the ability to collaborate across teams to deliver high-quality software solutions. Key Res

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Full-time

USD 60.00 - 70.00 per hour

Senior Software Engineer - Back End III

Cincinnati, Ohio

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Today

Job#: 3023297 Job Description: Job Title: Sr. Software Engineer- Backend Location: Cincinnati, OH (Onsite) Pay Range: $60-$68 Length: 6 Months Job Description Overview This role supports the modernization of an ATM channel-encompassing both hardware and software-while also contributing to a major debit card modernization initiative. It offers the opportunity to participate in one of the largest IT transformation efforts in the industry. Responsibilities Execute full lifecycle application

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Full-time

USD 60.00 - 68.00 per hour

Senior Engineer III

Lanham, Maryland

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Today

Soltesz has a full time position for a Senior Engineer in our Lanham, MD office, who likes working with skilled professionals on a team. The Senior Engineer will perform a variety of civil engineering functions in support of major and interesting projects in the region. The Project Engineer must be career driven, technologically savvy, and able to adapt to a wide variety of project types and sizes. The work required by the Project Engineer is diverse ranging from general civil engineering dutie

Full-time

USD 85,000.00 - 125,000.00 per year

Senior RF Engineer (Level III) - Top Secret clearance

Littleton, Colorado

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Today

Job ID: 713154BR Date posted: Dec. 15, 2025 Description:Space is a critical domain, connecting our technologies, our security, and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, in-vest, inspire, and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can a

Full-time

Senior RF Engineer (Level III) - Top Secret clearance

Littleton, Colorado

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Today

Full-time

Senior Software Engineer - Back End III

Cincinnati, Ohio

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Senior Software Engineer - Back End (Onsite) Primary Location: Cincinnati, Ohio V-Soft Consulting is currently hiring for a Senior Software Engineer - Back End for our premier client in Cincinnati, Ohio. Education and Experience Undergraduate degree in computer engineering, computer science, information technology or a related discipline. Understanding of the software development life cycle. Ability to quickly learn and apply new programming languages. Proficiency in Java, Java Spring, Open

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Contract

Depends on Experience

Lead IT Infrastructure Engineer III

Phoenix, Arizona

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Today

Join one of the largest homebuilding companies in the United States as an Infrastructure Engineer in a 3-month contract-to-hire role with headquarters in Scottsdale. This hybrid position requires two days onsite per week at the data center located at Iron Mountain (615 N 48th Street, Phoenix, AZ 85008) with three days remote. You'll be the fourth engineer joining a seven-person overall team, supporting enterprise infrastructure for a major residential construction organization. This role focuse

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Contract

USD 100,000.00 - 120,000.00 per year

Lead IT Infrastructure Engineer III / Hybrid / Phoenix

Phoenix, Arizona

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Today

A large, well-established homebuilding company headquartered in Scottsdale is hiring an Infrastructure Engineer to join their core IT infrastructure team. This is a contract to hire opportunity with a hybrid schedule, requiring 2 days onsite in a Phoenix-based data center and 3 days remote. This role focuses on supporting predominantly prem Windows environments, with hands-on responsibility across systems administration, virtualization, automation, and data center operations. This is a true sen

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Contract

$60 - $75

Tech Lead/Software Engineer III

Remote

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Today

This established FinTech organization delivers transparent and flexible financing solutions to small and mid-sized businesses nationwide, operating as both a direct lender and a marketplace platform. They are seeking a Tech Lead / Software Engineer to architect and build scalable, cloud-native backend services within AWS (strong focus on Lambda and EC2). This role requires hands-on development in Java (required) along with Python or Node.js, with a strong emphasis on API integrations and micros

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Full-time

$150000 - $190000

Senior Battery Engineer III, Missiles

King of Prussia, Pennsylvania

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Job Description Join Our Team as an Avionics Battery Systems Engineer where you will be responsible for the design, development, analysis, qualification, test oversight and production oversight of batteries required for programs in the Strategic Reentry Portfolio. What does this role look like? Provide battery engineering support at battery suppliers to provide oversight for battery testing and production. Design and development responsibilities include drafting requirements, performing trade s

Full-time

USD 89,300.00 - 157,550.00 per year

Materials and Processes Engineer, Sr (Level III)

Huntsville, Alabama

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Job Description "Ahead of Ready" Space is a critical domain, connecting our technologies, our security, and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire, and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating fu

Full-time

USD 85,500.00 - 150,765.00 per year

Computer Vision Software Engineer, Senior (Level III)

Littleton, Colorado

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Today

Job Description About Lockheed Martin Space: Space is a critical domain, connecting our technologies, our security, and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire, and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We'r

Full-time

USD 101,000.00 - 178,135.00 per year

SCADA Engineer II, III, Sr.

Glen Ellyn, Illinois

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Job Description Job Summary: Job Responsibilities Functional Expertise: Research architecture standards based on industry best practices while adhering to corporate security policies and meeting business requirements. Subject matter expert in technologies in multi-platform enterprise information systems. Assist in the design and implementation of major SCADA systems related hardware/software implementations and upgrades to meet business objectives and service levels. Aids in research, recommen

Full-time

USD 67,159.00 - 139,620.80 per year

Senior RF Engineer (Level III) - Top Secret clearance

Littleton, Colorado

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Today

Job Description Space is a critical domain, connecting our technologies, our security, and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, in-vest, inspire, and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solu

Full-time

USD 101,000.00 - 178,135.00 per year

Guidance, Navigation, & Control Engineer (Senior, Level III) - Secret

Sunnyvale, California

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Today

Full-time

USD 101,000.00 - 178,135.00 per year

Senior RF Engineer (Level III) - Secret clearance

Littleton, Colorado

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Today

Job Description Space is a critical domain, connecting our technologies, our security, and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire, and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solut

Full-time

USD 101,000.00 - 178,135.00 per year

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Senior Developer III jobs