Freelance senior backend engineer – python to java migration
6 days ago
Company DescriptionThreat XIntel is a startup dedicated to providing tailored, cost-effective cybersecurity solutions to businesses of all sizes. Specializing in cloud security, web and mobile security testing, and Dev Sec Ops, we aim to simplify cybersecurity for organizations with limited resources. Our team of experts proactively monitors and tests clients' digital environments to mitigate vulnerabilities and protect digital assets. Threat XIntel is committed to delivering high-quality services, empowering businesses to focus on growth while ensuring their operational security.Role DescriptionWe are seeking a reliable, delivery-oriented Senior Backend Engineer with strong expertise in Java , solid Python understanding , and hands-on experience building AI-enabled backend systems. The role involves Python-to-Java migration , developing scalable backend services, integrating AI components, and designing systems similar to chat-based AI applications.The ideal candidate is backend-focused, comfortable working on Oracle Cloud Infrastructure (OCI) , and capable of owning system design, testing, and end-to-end delivery.Key ResponsibilitiesMigrate and refactor backend services from Python to JavaDevelop and maintain Java-based backend systems with Python support for enhancements and tweaksDesign and build backend services for chat-style AI applications (similar to conversational AI platforms)Develop and expose RESTful APIs and microservicesIntegrate AI components and frameworks (e.g., MCP, LLM integrations, agent execution )Design scalable and reliable backend architecturesWork with Oracle Cloud Infrastructure (OCI) for deployment and operationsImplement unit tests and integration tests to ensure system reliabilityParticipate in system design discussions and architecture reviewsTroubleshoot complex backend issues and optimize performanceCollaborate with stakeholders to understand requirements and deliver solutions on timeTake ownership of features from design through production deploymentRequired Skills and ExperienceStrong hands-on experience with Java backend developmentSolid working knowledge of Python (ability to understand, modify, and optimize existing code)Experience performing Python-to-Java migrationsStrong backend engineering background (APIs, services, data handling)Experience designing distributed systems and microservicesHands-on experience with Oracle Cloud Infrastructure (OCI)Experience building or integrating AI/LLM-based systemsStrong understanding of system design, scalability, and reliabilityExperience with unit testing and integration testingExcellent problem-solving and debugging skillsNice to HaveExperience building chat-based or conversational AI platformsExposure to AI orchestration frameworks or agent-based systemsExperience with CI/CD pipelines and containerized deploymentsFamiliarity with cloud-native observability and monitoringIdeal Candidate ProfileBackend-first senior engineerStrong Java expertise with Python fluencyDelivery-oriented and accountableStrong analytical and problem-solving mindsetComfortable owning architecture and implementationReliable freelancer who can work independently and deliver results
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Jamnagar, India ThreatXIntel Full timeCompany Description ThreatXIntel is a startup cyber security company focused on protecting businesses and organizations from evolving digital threats. With a broad range of services—such as cloud security, web and mobile security testing, and DevSecOps—ThreatXIntel offers customized and affordable solutions to meet the unique needs of its clients. The...
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Freelance Backend Engineer
1 week ago
Jamnagar, India ThreatXIntel Full timeCompany DescriptionThreatXIntel is a cyber security startup dedicated to safeguarding businesses and organizations from digital threats. Specializing in services such as cloud security, web & mobile security testing, and DevSecOps, the company provides tailored and affordable solutions to meet diverse client needs. With a proactive approach, ThreatXIntel...
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Freelance Trainner
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Jamnagar, India IEC College Of Engineering & Technology, Greater Noida Full timeDear Trainer, IEC College of Engineering and Technology, Greater Noida is inviting applications of *experienced Freelance Trainers* with a *minimum of 3 years of relevant training experience* in the following domains: *Required Training Areas:* 1 . C Language 2. Advanced Excel 3. Digital Marketing 4. Data Analysis 5. GLP (Good Laboratory Practice) with SOP...
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Freelance ReactNative Engineer
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Jamnagar, India Leading MNC Full timeLooking for a Freelance ReactNative Engineer to join a team of rockstar developers. The candidate should have a minimum of 5+ yrs. of experience .If you're looking for freelance/ part time opportunity (along with your day job) & a chance to work with the top 0.1% of developers in the industry, this one is for you! You will report into IIT'ans/BITS grads with...
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Freelance ReactNative Engineer
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Jamnagar, India Leading MNC Full timeLooking for a Freelance ReactNative Engineer to join a team of rockstar developers. The candidate should have a minimum of 5+ yrs. of experience .If you're looking for freelance/ part time opportunity (along with your day job) & a chance to work with the top 0.1% of developers in the industry, this one is for you! You will report into IIT'ans/BITS grads with...
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Lead Python Developer
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Jamnagar, India iBase-t Full timeJob Title: Lead Software Engineer (Python Developer) Location: Ahmedabad Employment Type: Full-time Experience Level: Senior/Lead About the Role We are looking for a highly skilled Python Developer to join our development team. This role focuses on building robust, efficient, and scalable backend systems and tools using Python. You will collaborate closely...
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Lead backend developer
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Jamnagar, India Tohands Full timeAbout UsWe're building the next generation of smart calculators for modern retailers — tools that go far beyond basic math. These devices integrate dynamic QR code generation, digital payments, inventory tracking, and more. Think of it as a POS terminal disguised as a calculator — but way smarter.Our mission is simple yet ambitious: to replace over 30...
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Jamnagar, India Webilent Technology, Inc. Full timeSenior Quality Assurance Automation Engineer with (healthcare and EDI)Webilent Technology, Inc. hyderabadSaveApplyQA Automation Test Engineer – Healthcare (EDI/X12/Claims)Location: Lewisville, TX (Hybrid – 2–3 days onsite per week)Type: Contract to gire/ Full-Time / Direct HireWork Authorization: (Add your requirements)About the RoleWe are seeking a QA...
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Senior fullstack engineer
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Jamnagar, India Black Dog Labs Full timePosition: Senior Fullstack Engineer (with Data Engineering Experience)Location: Remote (collaboration across time zones), India or LATAM preferredEngagement Type: Contract (12+ months)Language: Proficient English communicationExperience: 5+ years in Full-Stack Engineering / Backend Engineering, with meaningful exposure to data systems and applicationsAbout...
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Freelance Agentic AI Engineer – Azure
2 weeks ago
Jamnagar, India ThreatXIntel Full timeCompany DescriptionThreatXIntel is a startup dedicated to providing cutting-edge cybersecurity solutions to businesses and organizations. Specializing in areas such as cloud security, web and mobile security testing, cloud security assessment, and DevSecOps, the company tailors affordable services to meet the unique needs of its clients. With a strong...