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Temporary Java Developer Startup Jobs in Cambridge, MA

Liberate

Senior AI Agent Engineer

Boston, MA · Hybrid

$120K - $210K/yr

... startup environment * Experience with programming languages such as Python, Java, or similar, and familiarity with APIs, data integration, and cloud platforms. * Strong technical background with ...

Liberate

Senior AI Agent Engineer

Boston, MA · On-site

$120K - $210K/yr

... startup environment * Experience with programming languages such as Python, Java, or similar, and familiarity with APIs, data integration, and cloud platforms. * Strong technical background with ...

Roberts Recruiting

Senior Automation Engineer

Cambridge, MA · On-site

$113K - $149K/yr

... A startup with a really great work/life/balance and a fantastic team! We're looking for an ... Experience in Java, Selenium Webdriver * Experience with Development Tools, QA, and Agile tools:

Paperless Parts

Senior Software Engineer

Boston, MA · On-site

$133K - $175K/yr

Paperless Parts is a SaaS startup helping manufacturers quote faster and win more work. The Senior ... or Java/Spring. • Hands-on frontend experience with TypeScript and React, building and ...

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QuEra Computing, Inc.

Sr. QPU Software Engineer

Boston, MA · On-site

$160K - $225K/yr

... Stack Developer to join a fast-growing startup and help build the next generation of quantum ... Backend development experience in Kotlin, Java, or another object-oriented language, with a desire ...

QuEra Computing, Inc.

Sr. QPU Software Engineer

Boston, MA · On-site

$160K - $225K/yr

... Stack Developer to join a fast-growing startup and help build the next generation of quantum ... Backend development experience in Kotlin, Java, or another object-oriented language, with a desire ...

Roberts Recruiting

Software Engineer

Boston, MA · On-site

Key Tasks and Responsibilities As a developer you will be a critical and key member of the core ... We are seeking candidates who are excited to work in the dynamic environment of a startup. * Work ...

Amazon

Application Builder

Reading, MA · On-site

We combine our startup culture with the resources and scale of Amazon to create a fun, and ... programming with at least one modern language such as Java, C++, or C# including object-oriented ...

Amazon

Database Engineer, AWS DMS

Boston, MA

Collaborate with SDEs on root cause analysis by reading and reasoning about C/C++ or Java code in ... Work in a startup-like development environment, where you're always working on the most important ...

Amazon

Database Engineer, AWS DMS

Boston, MA

Collaborate with SDEs on root cause analysis by reading and reasoning about C/C++ or Java code in ... Work in a startup-like development environment, where you're always working on the most important ...

Skill

OMS Platform Reliability Lead

Boston, MA · On-site

$60 - $63.83/hr

Temporary Salary: $60-63.83 Hourly up to 63.81/hr W2 Start Date: ASAP Position Summary The OMS RUN ... This role sits at the intersection of Software Engineering, Site Reliability Engineering (SRE), and ...

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Roberts Recruiting

Lead Software Engineer

Boston, MA · On-site

We are a rapidly growing startup building the first all-in-one restaurant management software ... Our overall ecosystem, contains an evolving set of Java microservices deployed to AWS, interacting ...

Fidelity TalentSource

Software Engineer, UI

Boston, MA · On-site

$113K - $151K/yr

Fidelity TalentSource is your destination for discovering your next temporary role at Fidelity ... core Java technologies • A proven foundation in software engineering - bachelor's degree ...

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

As of Jul 8, 2026, the average hourly pay for temporary java developer startup in Cambridge, MA is $61.97, according to ZipRecruiter salary data. Most workers in this role earn between $53.61 and $69.38 per hour, depending on experience, location, and employer.

What are some common challenges faced by temporary Java Developers working at startups?

Temporary Java Developers at startups often encounter fast-paced environments where priorities can shift quickly and project scopes may evolve. Adapting to new codebases with minimal onboarding, collaborating with small teams, and delivering results under tight deadlines are typical challenges. However, this setting also provides valuable exposure to diverse technologies and business processes, allowing for rapid skill development and meaningful contributions. Successful candidates are usually proactive, flexible, and comfortable working with limited supervision.

What is the difference between Temporary Java Developer Startup vs Temporary Java Developer Corporate?

AspectTemporary Java Developer StartupTemporary Java Developer Corporate
CredentialsJava certification, basic programming skillsJava certification, advanced programming skills
Work EnvironmentFast-paced, small teams, dynamic projectsStructured, larger teams, formal processes
Employer & Industry UsageStartups, tech companies, innovative projectsLarge corporations, finance, enterprise solutions
Search & Comparison IntentHigh overlap in skills, project scope, and work styleSimilar skill set but different organizational context

The main difference between a Temporary Java Developer Startup and a Temporary Java Developer Corporate lies in the work environment and project scope. Startups typically offer a fast-paced, flexible setting with smaller teams, while corporate roles involve structured processes within larger organizations. Both roles require Java certification and programming skills, but the context and work dynamics vary significantly.

What are the key skills and qualifications needed to thrive as a Temporary Java Developer at a startup, and why are they important?

To thrive as a Temporary Java Developer at a startup, you need strong proficiency in Java programming, experience with frameworks like Spring or Hibernate, and a relevant degree or equivalent experience. Familiarity with version control systems such as Git, cloud platforms like AWS, and agile development tools is commonly required. Adaptability, effective communication, and problem-solving skills are critical soft skills, especially in fast-paced startup environments. These competencies are vital to quickly deliver scalable solutions and collaborate efficiently in a dynamic team setting.

What is a Temporary Java Developer at a startup?

A Temporary Java Developer at a startup is a software professional hired on a short-term or contract basis to develop, maintain, or improve Java-based applications. This role typically involves working with a small, dynamic team to quickly build or scale products, fix bugs, and implement new features using the Java programming language. Temporary positions are often project-based, allowing startups to address immediate technical needs without committing to long-term employment. Developers in this role must be adaptable, collaborative, and able to work in fast-paced environments.
What job categories do people searching Temporary Java Developer Startup jobs in Cambridge, MA look for? The top searched job categories for Temporary Java Developer Startup jobs in Cambridge, MA are:
What cities near Cambridge, MA are hiring for Temporary Java Developer Startup jobs? Cities near Cambridge, MA with the most Temporary Java Developer Startup job openings:
Temporary Java Developer Startup jobs near you
Senior Backend Software Engineer

Senior Backend Software Engineer

Flexcompute Inc.

Watertown, MA • On-site

$133K - $175K/yr

Full-time

Medical, Dental, Vision, Retirement

Posted 16 days ago

Job description

Flexcompute is leading the transformation of engineering simulation with our revolutionary ultra-fast simulation technology. Our flagship products, including the industry-leading Computational Fluid Dynamics (CFD) software Flow360 and electromagnetic simulation software Tidy3D, are reshaping how simulations are conducted across diverse sectors. Founded by visionaries from Stanford and MIT and supported by top-tier venture capital firms, we are a rapidly growing team dedicated to breaking boundaries and challenging the norms of the multi-billion-dollar engineering simulation market.
Role Overview
We are looking for a Backend Software Engineer to help us design and implement scalable solutions that meet the growing demands of our advanced EM simulation platform.
The ideal candidate has expertise in high-performance computing (HPC), infrastructure, web API design, and systems design. Additionally, the candidate will be help us enhance our data management, frontend-backend API unification, and cloud integration.
Key Responsibilities
  • Contribute to general software development efforts, such as API unification, simulation data management (e.g., caching, syncing, storage), and scripting improvements.
  • Collaborate with EM and infrastructure teams to implement simulation-specific solutions, including enhancements to back-end/scheduler integrations and Python front-end functionality.
  • Improve our task pipelines through an innovative design for a web API in a multi-physical simulation context.
  • Develop and maintain hybrid cloud compute and storage solutions, integrating on-premise HPC systems with modern cloud platforms.
  • Optimize and manage high-performance computing clusters equipped with high-speed interconnects.

Requirements
Education: Bachelor's degree or higher in computer science or computer engineering.
Technical Skills:
      • Professional experience developing backend systems using Java, Python, and/or C++
      • Strong experience with AWS or similar cloud platforms (compute, storage, networking, IAM, infrastructure automation)
      • Expertise in backend service development and web API architecture
      • Hands-on experience with containerization and orchestration (Docker, Kubernetes)
      • Experience designing and operating distributed systems in production environments
      • Strong Linux systems knowledge and infrastructure troubleshooting skills
      • Experience with infrastructure automation and configuration management (e.g., Terraform, Ansible, or similar tools)
      • Familiarity with monitoring, logging, and observability tooling
      • Understanding of networking fundamentals and backend security best practices

Innovative Mindset: Ability to learn quickly, adapt to new challenges, and innovate in a fast-paced startup environment.
Bonus Skills:
    • Experience integrating cloud platforms with HPC environments or large compute clusters
    • Familiarity with job schedulers (e.g., Slurm), distributed compute frameworks, or large-scale data pipelines
    • Experience supporting scientific computing or simulation platforms
    • Knowledge of GPU infrastructure and resource scheduling
    • Experience building developer platforms or internal infrastructure tooling

Example Projects
  • Architect and deploy Kubernetes-based infrastructure to run distributed simulation workloads
  • Design and implement scalable web APIs for simulation job orchestration and data access
  • Build CI/CD pipelines and infrastructure-as-code systems for reproducible deployments
  • Develop hybrid cloud solutions connecting on-prem HPC clusters with AWS compute and storage
  • Implement monitoring and observability systems to track simulation performance and reliability
  • Improve platform scalability to support growing user traffic and compute demand
  • Design secure service architectures, authentication, and licensing systems
  • Optimize infrastructure utilization across CPU and GPU resources
Join Us
By joining Flexcompute, you'll be at the heart of a movement set to redefine the engineering simulation industry. You will play a key role in shaping the future, where our innovations in simulation technology pave the way for groundbreaking advancements. We are committed to fostering an innovative and collaborative culture where boundaries of possibility are re-imagined, driven by creativity, expertise, and a shared vision of transforming the technological landscape.
Benefits
  • Competitive compensation with equity of a fast-growing startup.
  • Medical, dental, and vision health insurance.
  • 401(k) Contribution.
  • Gym allowance.
  • Friendly, thoughtful, and intelligent coworkers.

Apply