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Temporary Senior Java Developer Jobs in Upland, CA

Prescient Edge

Senior Project Manager

Riverside, CA · On-site

This role is responsible for executing C4I systems maintenance, engineering, integration, and ... Duration may range from short-term temporary duty to extended support periods based on operational ...

Esri

Sr. Application Security Engineer

Redlands, CA · On-site

$93K - $157K/yr

Proven ability to develop automations/applications using Python, Typescript, Java, or PowerShell ... with developers to resolve them * Understanding of layer 2-7 communication protocols, common ...

StartX

Software Engineer - Full-stack

Ontario, CA · On-site

About the Role Swiftly is looking for a Senior Software Engineer with experience building scalable ... Our backend environment includes Java, Node.js, and Python; our MV* framework of choice is Vue.js ...

Wilson & Company

Civil Engineer

San Bernardino, CA · On-site

$60K - $90K/yr

Participate in field reviews, site visits, construction coordination, and temporary field ... Professional Engineer (P.E.) license preferred for senior-level candidates. * 3+ years of rail ...

Grainger Businesses

Process Engineer Lead

Mira Loma, CA

$95K - $158K/yr

The position oversees large-scale projects, mentors senior engineers, and drives innovation through ... SQL, Python, Java, or Scala preferred. * Experience with the design & implementation of automation ...

Aquent

Senior Producer (Project Based)

Diamond Bar, CA · On-site +1

$75 - $85/hr

Temporary Salary: $75-85 Hourly W2 Start Date: Aug 19, 2026 Partnering with Aquent, we are seeking ... About Skill Skill connects the best professional, IT, engineering, financial and administrative ...

AlfaTech

Sr. Designer (Lighting)

Monrovia, CA · On-site

$90K - $100K/yr

As a leading consulting engineering firm, we provide thoughtful engineering design that is ... temporary mockups, etc. * Perform research and analysis of design options. Prepare the basis of ...

AlfaTech

Sr. Designer (Lighting)

Monrovia, CA · On-site

As a leading consulting engineering firm, we provide thoughtful engineering design that is ... temporary mockups, etc. * Perform research and analysis of design options. Prepare the basis of ...

AlfaTech

Sr. Designer (Lighting)

Monrovia, CA · On-site

As a leading consulting engineering firm, we provide thoughtful engineering design that is ... temporary mockups, etc. * Perform research and analysis of design options. Prepare the basis of ...

AlfaTech

Sr. Designer (Lighting)

Monrovia, CA · Hybrid

As a leading consulting engineering firm, we provide thoughtful engineering design that is ... temporary mockups, etc. * Perform research and analysis of design options. Prepare the basis of ...

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All JobsJava Developer JobsTemporary Senior Java Developer JobsTemporary Senior Java Developer Jobs in Upland, CA

Temporary Senior Java Developer information

See Upland, CA salary details

$11

$63

$87

How much do temporary senior java developer jobs pay per hour?

As of Sep 11, 2026, the average hourly pay for temporary senior java developer in Upland, CA is $63.99, according to ZipRecruiter salary data. Most workers in this role earn between $56.06 and $71.49 per hour, depending on experience, location, and employer.

What is a temporary senior Java developer?

Temporary Senior Java Developers are experienced software engineers who specialize in Java and are hired on a short-term or contract basis. They are responsible for designing, developing, and maintaining high-quality Java applications, often filling in for permanent staff, supporting projects with tight deadlines, or providing expertise for specific tasks. Their seniority means they typically have several years of experience, strong problem-solving skills, and the ability to mentor junior developers. These professionals help organizations address immediate project needs without committing to a long-term hire.

What are the key skills and qualifications needed to thrive as a temporary senior Java developer?

To thrive as a Temporary Senior Java Developer, you need advanced proficiency in Java programming, strong problem-solving skills, and several years of software development experience, often supported by a relevant degree or certifications. Familiarity with frameworks like Spring, build tools such as Maven or Gradle, and experience with version control systems like Git are typically required. Excellent communication, adaptability, and leadership are standout soft skills for collaborating with teams and mentoring junior developers. These skills and qualities are essential for quickly delivering high-quality software solutions and integrating effectively within short-term project teams.

What are the typical challenges faced by a temporary senior Java developer when joining an existing project?

As a Temporary Senior Java Developer, one of the main challenges is quickly acclimating to the existing codebase and understanding the team's development workflows. You may need to rapidly get up to speed on project-specific frameworks, architectural decisions, and ongoing priorities while balancing expectations for immediate productivity. Collaborating effectively with a new team, often under tight deadlines, requires strong communication and adaptability. Leveraging your experience to make impactful contributions without disrupting established processes is key to success in this role.

What is the difference between Temporary Senior Java Developer vs Temporary Java Developer?

AspectTemporary Senior Java DeveloperTemporary Java Developer
Required CredentialsBachelor's in Computer Science, Java certifications, 5+ years experienceBachelor's in Computer Science, Java certifications, 1-3 years experience
Work EnvironmentProject-based, team collaboration, client-facingProject-based, team collaboration, client-facing
Employer & Industry UsageIT firms, software companies, consulting agenciesIT firms, software companies, startups
Common Search & ComparisonYesYes

The main difference between a Temporary Senior Java Developer and a Temporary Java Developer lies in experience and expertise. The senior role requires more years of experience, advanced skills, and often leadership capabilities, while the Java Developer position is suitable for those with less experience. Both roles are commonly used in IT and software development industries for project-based work.

What cities near Upland, CA are hiring for Temporary Senior Java Developer jobs?

Cities near Upland, CA with the most Temporary Senior Java Developer job openings:

Temporary Senior Java Developer jobs near you

Senior Software Engineer, Core Experiences - Riverside, CA, USA

Riverside, CA • On-site

Speechify
51 - 200 employees
Learn more about Speechifyexternal

$127K - $168K/yr

Full-time

Re-posted 19 days ago

Job description

Mission
Speechify is the easiest way to listen to the world's information. Articles on the web, documents in the cloud, books on your phone. We absorb it all and let you listen to it at your desk, on the go, at your own speed, and with tools that make learning easier, deeper, and faster.
What streaming services have done for audio entertainment, we're doing for audio information. And whatever we're doing seems to be working. We're #1 in our category, and experiencing exponential growth.
Overview
We're looking for a Senior Software Engineer to join our Core Experiences Team. This team builds and maintains the foundational services and SDKs that power Speechify's product experience across platforms. It's a critical role for someone who enjoys working at the intersection of product and infrastructure, thinks strategically, and is passionate about designing clear, reliable APIs and simple systems that directly enhance the user experience.
What You'll Do
  • Collaborate with Speechify's Product Teams to scope projects, find ways to reduce scope to get faster feedback from customers, navigate the integration/UX tradeoffs relevant to different product teams, and deliver solutions via our cross-platform SDK
  • Optimize existing functionality to ship things like faster loading and more intelligent parsing by designing more efficient abstractions and improving our algorithms
  • Ship cloud functions, lightweight backend services, and jobs using Kotlin

An Ideal Candidate Should Have
  • Systems thinking. You know that optimizing a system requires end-to-end design, and you believe simplicity is valuable.
  • Speed. You work quickly to generate ideas and options and know how to decide which things can ship now and what things need time
  • Focus. We're a high-growth startup with a busy, remote team. You know how and when to engage or be heads down
  • Collaboration. You know how to inspire, play, and negotiate with opinionated designers, marketers, and PMs
  • Preferred Tech Stack:
    • Kotlin Multiplatform (Java experience is OK but role is Kotlin Multiplatform)
    • Prior experience with GCP is a plus

What We Offer
  • A fast-growing environment where you can help shape the company and product.
  • An entrepreneurial-minded team that supports risk, intuition, and hustle.
  • A hands-off management approach so you can focus and do your best work.
  • An opportunity to make a big impact in a transformative industry.
  • Competitive salaries, a friendly and laid-back atmosphere, and a commitment to building a great asynchronous culture.
  • Opportunity to work on a life-changing product that millions of people use.
  • Build products that directly impact and support people with learning differences like dyslexia, ADD, low vision, concussions, autism, and more.
  • Work in one of the fastest growing sectors of tech, the intersection of artificial intelligence and audio.

The United States Based Salary range for this role is: 140,000-200,000 USD/Year + Bonus + Stock depending on experience
Think you're a good fit for this job?
Tell us more about yourself and why you're interested in the role when you apply.
And don't forget to include links to your portfolio and LinkedIn.
Not looking but know someone who would make a great fit?
Refer them!
Speechify is committed to a diverse and inclusive workplace.
Speechify does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.

Apply