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Temporary Java Developer Startup Jobs in Massachusetts

Databento

... high-growth startup. * Strong proficiency in both C++ and C#. * Experience with Java is a plus. * Experience designing APIs with a strong focus on intuitive, developer-friendly interfaces.

Sea Machines

Product Security Engineer

Boston, MA · On-site

Sea Machines is a fast-growing startup that is leading the new high-tech sector of autonomous ... to the DevOps team. Qualifications and Skills ● Bachelor's degree in Computer Science ...

Sea Machines

Product Security Engineer

Boston, MA · On-site

Sea Machines is a fast-growing startup that is leading the new high-tech sector of autonomous ... to the DevOps team. Qualifications and Skills • Bachelor's degree in Computer Science ...

Amazon

Builder - Mobile (Platform), Ring

Reading, MA · On-site

You'll also work alongside engineers who are aggressively adopting AI across the development ... We combine the ambition and speed of a startup with the scale, resources, and impact of Amazon. You ...

Blitzy

Forward Deployed Engineer

Cambridge, MA · On-site

$100K - $185K/yr

U.S. GenAI startup, Cambridge Office Build the bridge between cutting-edge AI and real-world ... Background in AI/ML, developer tools, or enterprise modernization projects * Track record of ...

Amazon

Builder - Mobile (Platform), Ring

Reading, MA · On-site

You'll also work alongside engineers who are aggressively adopting AI across the development ... We combine the ambition and speed of a startup with the scale, resources, and impact of Amazon. You ...

VulnCheck

Director of Engineering - US

Boston, MA · On-site

Strong programming skills in one or more languages (Python, Go, Java, etc.) - you're still ... Background in high-growth startup environments * Experience with streaming systems or real-time ...

VulnCheck

Director of Engineering - US

Boston, MA · Remote

Strong programming skills in one or more languages (Python, Go, Java, etc.) - you're still ... Background in high-growth startup environments * Experience with streaming systems or real-time ...

Compass

Software Engineer II

Boston, MA · On-site

$126K - $141K/yr

Work in a startup-like environment building agile products and services * Design and build ... Identify and remove bottlenecks to address inefficiencies in the developer experience What we look ...

Liberty Mutual

Senior Software Engineer

Boston, MA · On-site

$133K - $175K/yr

Operating as a tech startup within a Fortune 100 company, we are leading a digital disruption that ... Java and RESTful services, spanning horizontal and vertical packages * An understanding of how ...

Paperless Parts

Software Engineer

Boston, MA

$106K - $168K/yr

Paperless Parts is a SaaS startup helping manufacturers quote faster and win more work. From ... Python/Django, Node/Express, or Java/Spring. * Experience with frontend development using ...

Paperless Parts

Software Engineer

Boston, MA · On-site

$106K - $168K/yr

Paperless Parts is a SaaS startup helping manufacturers quote faster and win more work. From ... Python/Django, Node/Express, or Java/Spring. * Experience with frontend development using ...

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All JobsJava Developer Startup JobsTemporary Java Developer Startup JobsTemporary Java Developer Startup Jobs in Massachusetts

Temporary Java Developer Startup information

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 are the most commonly searched types of Java Developer Startup jobs in Massachusetts? The most popular types of Java Developer Startup jobs in Massachusetts are:
What are popular job titles related to Temporary Java Developer Startup jobs in Massachusetts? For Temporary Java Developer Startup jobs in Massachusetts, the most frequently searched job titles are:
What job categories do people searching Temporary Java Developer Startup jobs in Massachusetts look for? The top searched job categories for Temporary Java Developer Startup jobs in Massachusetts are:
What cities in Massachusetts are hiring for Temporary Java Developer Startup jobs? Cities in Massachusetts with the most Temporary Java Developer Startup job openings:
Temporary Java Developer Startup jobs near you
Infographic showing various Temporary Java Developer Startup job openings in Massachusetts as of July 2026, with employment types broken down into 75% Full Time, 9% Part Time, 2% Temporary, and 14% Contract. Highlights an 87% In-person, 2% Hybrid, and 11% Remote job distribution.
Software Engineer (C++/C#)

Software Engineer (C++/C#)

Databento

On-site, Remote

Full-time

Posted 4 days ago

Job description

The financial industry is growing at a record pace, but our data providers are still stuck in the past - with cumbersome onboarding processes, complicated APIs, slow infrastructure, and expensive licensing costs.
Databento is the market data platform for modern finance. The company provides real-time and historical data across futures, options, and equities through a unified API. By owning the entire market data stack end-to-end, Databento is the first platform of its kind to combine the performance and reliability demanded by the world's leading trading firms with a dramatically simpler developer experience. Our team includes alumni of Two Sigma, Citadel Securities, Flow Traders, Tower Research, PDT Partners, SIG, and other top quantitative firms.
We're looking for a midlevel or senior IC to join our core engineering team. You'll be responsible for implementing and maintaining our C# client library, and also working alongside our core engineering team on the most performance-sensitive parts of our codebase.
Responsibilities
  • Own and maintain our C# client library, ensuring it is robust, well-tested, and easy for external users to integrate with.
  • Design, develop, and maintain high-performance server applications in C++.
  • Write message parsers and feed handlers for direct market data feeds from trading venues.
  • Optimize existing codebase for high throughput (millions of messages per second, up to 40+ gigabits) and low latency (measured in nanoseconds).
  • Implement tools and libraries for petabyte-scale data processing and analysis.
  • Collaborate with the systems team to implement best practices for build, deployment, CI/CD.
  • Implement monitoring and improve application uptime.
  • Ensure smooth feature rollouts and updates.
Preferred background
  • 5+ years of full-time software engineering experience, preferably at a trading firm, tech company, or high-growth startup.
  • Strong proficiency in both C++ and C#.
  • Experience with Java is a plus.
  • Experience designing APIs with a strong focus on intuitive, developer-friendly interfaces.
  • Familiarity with open source best practices, including release management, versioning, changelogs, issue triage, and backwards compatibility.
  • Knowledge of systems programming, algorithms, data structures, multithreading, networked I/O, serialization, CPU architecture, kernel, and compilers.
  • Experience working with multiprocess environments.
  • Comfortable with lldb/gdb.
  • Good communication skills and work ethic for a remote workplace.
  • An interest in low-level optimization and performance engineering.
  • An interest in financial data or algorithmic trading.
Notice about phishing scams
Be cautious of phishing scams impersonating Databento that offer fake job interviews and request purchases. Official emails come only from @databento.com or us.greenhouse-mail.io (our ATS). Any other domains (e.g., databento-careers.com, databento.online) are fraudulent.
Databento, Inc. provides equal employment opportunities to all employees and applicants without regard to race, color, religion, sex, national origin, age, disability, sexual orientation, gender identity or expression, veteran status, or genetics. In addition to federal law requirements, we comply with applicable state and local laws governing nondiscrimination in every location where we operate. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training. Pursuant to applicable laws, we consider qualified applicants with arrest or conviction records. If you need an accommodation, please let us know.
Our recruiting data suggests that underrepresented applicants often downplay their skills. Even if your experience doesn't exactly match the qualifications listed, we still want to hear from you. Please apply!

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