Xperteez Technology Logo

Xperteez Technology

🌍 Backend Security Engineer, Remote - Contract

Posted 2 Days Ago
Remote
Hiring Remotely in United States
Entry level
Remote
Hiring Remotely in United States
Entry level
Build and secure scalable backend services and APIs while debugging, optimizing performance, implementing features, refactoring codebases, and conducting security reviews and penetration testing. The role also involves automated testing, code review, vulnerability assessment, and contributing domain expertise to training next-generation AI systems.
The summary above was generated by AI

Job Type: Contract

Location: Remote

Schedule: Flexible, you pick the hours and days (including weekends if desired)

Required Skills:

  • Python3

  • JAVA

  • Rust

  • Algorithms

  • Basics C++

  • Typescript

  • Bug fixing

  • Feature implementation

  • Codebase refactoring

  • Performance optimization

  • Pentesting

  • Security audit

Job Summary: In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.

What we're looking for:

  • Strong backend experience in Java, Node.js, Go, Rust, Typescript, Python, C++ or similar

  • A track record building scalable services and APIs

  • Comfort with debugging, performance work and automated testing

  • Solid code review instincts

  • A cybersecurity or SecOps background is a big plus — secure coding, appsec, pentesting, vulnerability assessment, OWASP/CWE, or security-focused reviews.

Preferred Qualifications:

  • Proven experience in backend development, with a track record of delivering high-quality and performant projects.

  • Background in cybersecurity, such as penetration testing, vulnerability assessment, or security code reviews.

  • Demonstrated success in identifying and resolving software bugs and system bottlenecks.

  • Experience with codebase refactoring and implementing complex features in large-scale applications.

  • Strong understanding of algorithms, data structures, and foundational computer science concepts.

  • Excellent analytical, problem-solving, and technical communication skills.

Compensation Structure:

Compensation is output-based; experts are paid per task that meets the project specifications. The time required to complete work may vary depending on the expert’s experience and workflow. Minimum submission requirements apply. Experts must submit a minimum of tasks per week.

Start Timeline & Availability:

We typically fill roles within 48 hours and are looking for experts ready to jump in right away. If selected, we expect you to start your first tasks within 24–48 hours of completing onboarding.

Similar Jobs

2 Hours Ago
Remote or Hybrid
USA
Mid level
Mid level
Machine Learning • Payments • Security • Software • Financial Services
Leads the design and development of software solutions addressing complex business needs. Provides technical guidance, facilitates problem resolution, reviews coding and testing, prepares technical documentation, and applies modern development methodologies and tools. The role also supports application architecture, integration, testing, release management, and business initiatives while managing technology-related risks.
Top Skills: AgileApplication Development ToolsApplication TestingPackaged Application IntegrationScrum
2 Hours Ago
Remote or Hybrid
USA
Senior level
Senior level
Machine Learning • Payments • Security • Software • Financial Services
Supports the stability, availability, performance, and compliance of production systems. Responsibilities include monitoring, maintenance, patching, upgrades, incident resolution, root cause analysis, capacity reporting, application governance, continuity testing, audit responses, and technology-standard compliance. The role requires Hogan mainframe experience, participates in rotating on-call support, and transfers system knowledge to junior staff.
Top Skills: HoganMainframeUmbrella
2 Hours Ago
Remote or Hybrid
USA
86K-173K Annually
Mid level
86K-173K Annually
Mid level
Machine Learning • Payments • Security • Software • Financial Services
Leads software quality engineering activities, including test strategy and plan development, test execution oversight, risk and defect management, resource and environment gap identification, and test reporting. Guides junior team members, collaborates with cross-functional stakeholders and governance teams, and contributes to continuous quality improvement. The role requires a bachelor’s degree and at least three years of relevant experience.
Top Skills: Software TestingSystem Development Life Cycle (Sdlc)

What you need to know about the Boston Tech Scene

Boston is a powerhouse for technology innovation thanks to world-class research universities like MIT and Harvard and a robust pipeline of venture capital investment. Host to the first telephone call and one of the first general-purpose computers ever put into use, Boston is now a hub for biotechnology, robotics and artificial intelligence — though it’s also home to several B2B software giants. So it’s no surprise that the city consistently ranks among the greatest startup ecosystems in the world.

Key Facts About Boston Tech

  • Number of Tech Workers: 269,000; 9.4% of overall workforce (2024 CompTIA survey)
  • Major Tech Employers: Thermo Fisher Scientific, Toast, Klaviyo, HubSpot, DraftKings
  • Key Industries: Artificial intelligence, biotechnology, robotics, software, aerospace
  • Funding Landscape: $15.7 billion in venture capital funding in 2024 (Pitchbook)
  • Notable Investors: Summit Partners, Volition Capital, Bain Capital Ventures, MassVentures, Highland Capital Partners
  • Research Centers and Universities: MIT, Harvard University, Boston College, Tufts University, Boston University, Northeastern University, Smithsonian Astrophysical Observatory, National Bureau of Economic Research, Broad Institute, Lowell Center for Space Science & Technology, National Emerging Infectious Diseases Laboratories

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account