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Contract Java Developer Startup Jobs in Buffalo, NY

Java Tutor

Buffalo, NY ยท Remote

$18 - $40/hr

Deep knowledge of Java syntax, object-oriented programming principles, inheritance, polymorphism ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

... and startup companies. We have engineering teams based out of Chennai and Coimbatore. We are ... Roles and Responsibilities: ๏‚ท Design, develop, and maintain robust and scalable Java and Python ...

Sr Software developer

Buffalo, NY

$52.75 - $69.75/hr

Direct Client Title: Sr. Software Engineer- Java Location: Buffalo, PA Duration: 6 Months Contract with possible extension. Over five years of creative and knowledge gaining experience in developing ...

Sr Software developer

Buffalo, NY ยท On-site

$52.75 - $69.75/hr

Direct Client Title: Sr. Software Engineer- Java Location: Buffalo, PA Duration: 6 Months Contract with possible extension. โ€ข Over five years of creative and knowledge gaining experience in ...

Sr Software developer

Buffalo, NY

$52.75 - $69.75/hr

Direct Client Title: Sr. Software Engineer- Java Location: Buffalo, PA Duration: 6 Months Contract with possible extension. โ€ข Over five years of creative and knowledge gaining experience in ...

AP Computer Science A Tutor

Buffalo, NY ยท Remote

$18 - $40/hr

Deep knowledge of Java programming including primitive types, objects, boolean expressions ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Senior Member of Technical Staff

Boston, NY ยท On-site

$200K - $400K/yr

Strong programming skills in Python, Go, TypeScript, Rust, Java, or similar. * Strong system design ... Startup or scale-up experience. * GPU or data-intensive systems. Why Join? You'll work on ...

Review engineering specifications, drawings, and contract documents to ensure project compliance. * Perform Factory Acceptance Testing (FAT), Site Acceptance Testing (SAT), startup support, and ...

SW Engineer II

Buffalo, NY ยท On-site

$94K - $129K/yr

... month contract NOTES FROM MANAGER/REQUIRED SKILLS & EXP.: We will require 4 days in office in ... Skill Set 1: Java (OOP, data structures, concurrency); Spring Boot (RESTful APIs) Build Automation ...

Be Seen First

Controls Engineer

Tonawanda, NY ยท On-site

$45 - $48/hr

Contract duration: 52 Weeks This Controls Engineer position supports a machine-intensive, high ... Exposure to automation commissioning, startup support, validation, and production launches ...

Web Development Tutor

Buffalo, NY ยท Remote

$18 - $40/hr

... engineering careers. * Conceptual Teaching & Problem-Solving: Skilled at teaching full-stack ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Quality Engineer

Orchard Park, NY ยท On-site

$85K - $95K/yr

Performs PO and contract review to ensure systems are in place to meet all customer requirements ... process design and startup. * Facilitates and promotes use of appropriate problem solving ...

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Contract Java Developer Startup information

See Buffalo, NY salary details

$15

$54

$74

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

As of Sep 1, 2026, the average hourly pay for contract java developer startup in Buffalo, NY is $54.92, according to ZipRecruiter salary data. Most workers in this role earn between $47.50 and $61.49 per hour, depending on experience, location, and employer.

What does a contract Java developer do at a startup?

A Contract Java Developer at a startup is responsible for designing, developing, and maintaining Java-based applications on a temporary basis, usually to help accelerate specific projects or fill short-term talent gaps. They often work on building scalable backend systems, integrating APIs, and ensuring the product can rapidly evolve as the startup grows. Their work may also involve troubleshooting, optimizing performance, and collaborating closely with other developers, designers, and product managers. Because startups are fast-paced environments, contract developers are expected to adapt quickly and deliver results within tight deadlines.

What are the key skills and qualifications needed to thrive as a contract Java developer at a startup?

To excel as a Contract Java Developer in a startup environment, you need strong proficiency in Java programming, object-oriented design, and a solid understanding of software development lifecycles, usually supported by relevant experience or a computer science degree. Familiarity with frameworks like Spring Boot, version control systems (e.g., Git), build tools (e.g., Maven or Gradle), and cloud platforms is often required. Outstanding problem-solving ability, adaptability, and clear communication skills help you collaborate effectively and respond to rapidly changing project needs. These skills and qualities enable you to deliver robust, scalable solutions quickly and efficiently, which is critical in the fast-paced, resource-constrained startup setting.

What are some common challenges contract Java developers face when working at startups, and how can they prepare for them?

Contract Java Developers at startups often face fast-paced environments with shifting priorities and limited documentation. Adapting quickly to new codebases, collaborating with small, cross-functional teams, and managing ambiguity are frequent challenges. To prepare, developers should brush up on agile methodologies, familiarize themselves with popular Java frameworks, and be proactive in communicating with stakeholders. Demonstrating flexibility and strong problem-solving skills will help ensure a successful contract period.

What is the difference between Contract Java Developer Startup vs Contract Java Developer Enterprise?

AspectContract Java Developer StartupContract Java Developer Enterprise
CredentialsJava certification, relevant experienceJava certification, relevant experience
Work EnvironmentFast-paced, innovative, small teamsStructured, larger teams, formal processes
Employer & IndustryStartups, tech, e-commerceLarge corporations, finance, healthcare
Search & Comparison IntentYesYes

The main difference between a Contract Java Developer Startup and a Contract Java Developer Enterprise lies in the work environment and company size. Startups typically offer a dynamic, fast-paced setting with smaller teams, while enterprises provide a more structured environment with larger teams and formal processes. Both roles require similar credentials and are sought after by companies in different industry sectors.

What are popular job titles related to Contract Java Developer Startup jobs in Buffalo, NY?

For Contract Java Developer Startup jobs in Buffalo, NY, the most frequently searched job titles are:

What job categories do people searching Contract Java Developer Startup jobs in Buffalo, NY look for?

The top searched job categories for Contract Java Developer Startup jobs in Buffalo, NY are:

What cities near Buffalo, NY are hiring for Contract Java Developer Startup jobs?

Cities near Buffalo, NY with the most Contract Java Developer Startup job openings:

Java developer with Payment domain (GPP)

TECHNEPTUNE CONSULTING INC

Buffalo, NY โ€ข On-site

$49.50 - $64/hr

Other

Posted 5 days ago


Job description

Job title: Java developer with Payment domain (GPP)

Job location: Buffalo NY and onsite/Hybrid

Job Type: Contract

Job description:

Job Summary

We are seeking an experienced Payment Technology Developer with strong expertise in Global Payments Plus (GPP) Wire to support the design, development, enhancement, and maintenance of enterprise payment applications. The role involves working closely with business stakeholders, payment operations, compliance, and technology teams to deliver secure, high-performance payment solutions for domestic and international wire processing.

Key Responsibilities

  • Design, develop, and support GPP Wire payment applications.
  • Customize and configure GPP components based on business requirements.
  • Develop interfaces between GPP and upstream/downstream banking systems.
  • Implement payment workflows for Fedwire, CHIPS, SWIFT, and ISO 20022 messaging.
  • Troubleshoot production issues and perform root cause analysis.
  • Participate in application releases, deployments, and production support.
  • Develop APIs, batch processes, and middleware integrations.
  • Work with business analysts to translate functional requirements into technical solutions.
  • Ensure compliance with banking regulations, security standards, and audit requirements.
  • Prepare technical documentation, unit test cases, and deployment documentation.
  • Support performance tuning and system optimization.

Required Technical Skills

  • Strong experience with Global Payments Plus (GPP) Wire.
  • Java/J2EE
  • Spring Boot
  • REST APIs
  • SQL (Oracle/SQL Server)
  • Unix/Linux
  • Shell scripting
  • Git
  • Jenkins
  • Maven
  • XML/XSD
  • JSON
  • IBM MQ or JMS
  • Web Services (SOAP/REST)

Payment Domain Knowledge

  • Fedwire
  • CHIPS
  • SWIFT MT/MX
  • ISO 20022
  • Domestic and International Wire Transfers
  • Payment investigations and exceptions
  • Payment lifecycle
  • Message validation
  • Settlement and reconciliation
  • Payment compliance (AML, OFAC, sanctions screening)

Preferred Skills

  • Experience with payment modernization initiatives.
  • Cloud exposure (AWS or Azure).
  • Knowledge of Kafka or event-driven architecture.
  • Experience with DevOps and CI/CD pipelines.
  • Familiarity with RTP and FedNow payment processing.

Responsibilities During Production Support

  • Monitor payment processing.
  • Resolve high-priority production incidents.
  • Analyze payment failures and transaction exceptions.
  • Coordinate with payment operations teams.
  • Participate in on-call support rotation.
  • Support disaster recovery and release activities.

Qualifications

  • Bachelor's degree in Computer Science, Information Technology, Engineering, or related field.
  • 7โ€“12 years of software development experience.
  • 4+ years working on GPP Wire or enterprise payment platforms.
  • Experience working in U.S. banking or financial services.
  • Strong analytical, communication, and troubleshooting skills.

Nice-to-Have

  • Knowledge of ACH, RTP, FedNow, and payment hubs.
  • Experience with payment platform migration or modernization.
  • Exposure to Agile/Scrum methodologies.
  • Understanding of banking security and regulatory requirements.