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Senior Back-End Security Developer at Sigma Software
Bucharest, , Romania - Full Time
Skills Needed
Back End Development, Security, Cryptography, Api Development, Python, Go, Rust, C++, Restful Api, Oauth 2.0, Jwt, Mtls, Hsms, Ci/Cd, Threat Modeling, Audit Logging
Specialization
5+ years of back-end development experience with strong proficiency in Python and/or Go, Rust, or C++. Solid understanding of cryptographic principles and experience with RESTful API design is required.
Experience Required
Minimum 5 year(s)
Security Guard Access Control Days at UNIVERSAL PROTECTION SERVICE LP ( DVA ALLIED UNIVERSAL SECURITY SERVICES )
Littleton, Colorado, United States - Full Time
Skills Needed
Customer Service, Access Control, Patrolling, Incident Response, Security Compliance, Identification Verification
Specialization
Applicants must be at least 18 years of age and possess a high school diploma or equivalent, or 5 years of verifiable experience. A background investigation and drug screening are conditions of employment.
Senior Back-End Security Developer at Sigma Software
São Paulo, São Paulo, Brazil - Full Time
Skills Needed
Back End Development, Security, Cryptography, Api Development, Python, Go, Rust, C++, Restful Api, Authentication, Authorization, Hsms, Tees, Audit Logging, Threat Modeling, Code Reviews, Ci/Cd
Specialization
5+ years of back-end development experience with strong proficiency in Python and/or Go, Rust, or C++. Solid understanding of cryptographic principles and experience with RESTful API design is required.
Experience Required
Minimum 5 year(s)
Senior Back-End Security Developer at Sigma Software
Kyiv, , Ukraine - Full Time
Skills Needed
Back End Development, Security, Cryptography, Api Development, Python, Go, Rust, C++, Restful Api, Authentication, Authorization, Audit Logging, Threat Modeling, Code Reviews, Hsm Integration, Secret Management, Security Analysis
Specialization
5+ years of back-end development experience with strong proficiency in Python and/or Go, Rust, C++. Solid understanding of cryptographic principles and experience with RESTful API design is required.
Experience Required
Minimum 5 year(s)
Security Engineer II Elastic Stack at Proficio
Singapore, , Singapore - Full Time
Skills Needed
Security Engineering, Network Security, Linux Administration, Windows Security, Vpn Configuration, Vulnerability Assessment, Siem Operations, Elastic Stack, Troubleshooting, Customer Service, Technical Liaison, Security Monitoring, Incident Response, Scripting, Network Analysis, Firewalls, Ids/Ips
Specialization
Candidates should have a Bachelor’s degree or equivalent experience, along with 4-5+ years in Network or Security Engineering. Security certifications and experience in a SOC or NOC environment are highly preferred.
Experience Required
Minimum 5 year(s)
Part time Security Officer (Taser) at Tarian
Pearland, Texas, United States - Full Time
Skills Needed
Security, Public Services, Taser Training, Emergency Response, Patient Supervision, Safety Protocols, Communication, Teamwork, Problem Solving, Physical Fitness, Attention To Detail, Customer Service, Crisis Management, Conflict Resolution, Observation Skills, First Aid
Specialization
Candidates must have a completed High School Diploma or GED and be able to obtain necessary licenses or certifications. Strong physical abilities and vision are required, along with the ability to handle emergency situations.
Senior Manager Security Management at Infineon Technologies AG Australia
Kulim, Kedah, Malaysia - Full Time
Skills Needed
N/A
Specialization
Candidates should have extensive experience in security management and a strong understanding of security protocols. A background in risk assessment and incident response is also essential.
Experience Required
Minimum 5 year(s)
Security Officer – Hospital Patrol at UNIVERSAL PROTECTION SERVICE LP ( DVA ALLIED UNIVERSAL SECURITY SERVICES )
Pittsburgh, Pennsylvania, United States - Full Time
Skills Needed
Customer Service, Patrolling, Incident Response, Security Procedures, Teamwork, Problem Solving, Monitoring, Reporting, Integrity, Healthcare Security, Emergency Response, Visible Presence, Collaboration, Welcoming Atmosphere, Deter Unauthorized Activity, Site Specific Policies
Specialization
Vaccination is required for hospital assignments, and applicants must be at least 18 years of age. A high school diploma or equivalent is necessary, and applicants will undergo a background investigation and drug screening.
Security Officer – Hospital Patrol at UNIVERSAL PROTECTION SERVICE LP ( DVA ALLIED UNIVERSAL SECURITY SERVICES )
Pittsburgh, Pennsylvania, United States - Full Time
Skills Needed
Customer Service, Patrol, Security Procedures, Emergency Response, Problem Solving, Observation, Reporting, Collaboration
Specialization
COVID-19 vaccination is required for hospital assignments, and applicants must be at least 18 years of age. A high school diploma or equivalent is necessary, and applicants will be subject to a background investigation and drug screen.
Security Officer – Hospital Patrol at UNIVERSAL PROTECTION SERVICE LP ( DVA ALLIED UNIVERSAL SECURITY SERVICES )
Monroeville, Pennsylvania, United States - Full Time
Skills Needed
Customer Service, Security Procedures, Emergency Response, Patrol, Incident Reporting, Communication, Problem Solving, Teamwork
Specialization
Applicants must be at least 18 years old and possess a high school diploma or equivalent. Vaccines are required for work in hospital environments, and a background investigation and drug screening will be conducted.
Security Officer – Hospital Patrol at UNIVERSAL PROTECTION SERVICE LP ( DVA ALLIED UNIVERSAL SECURITY SERVICES )
Pittsburgh, Pennsylvania, United States - Full Time
Skills Needed
Customer Service, Patrolling, Incident Response, Record Keeping, Problem Solving, Teamwork, Agility, Reliability
Specialization
Applicants must be at least 18 years old and possess a high school diploma or equivalent. Vaccinations are required for the hospital environment, and candidates will undergo a background investigation and drug screening.
Security Officer - Multiple Shifts at UAB St. Vincent's
Birmingham, Alabama, United States - Full Time
Skills Needed
Security Services, Incident Management, Emergency Preparedness, Traffic Enforcement, Monitoring, Training, Documentation, Patrols
Specialization
A high school diploma or equivalent, or one year of applicable experience is required. A driver's license from the Alabama DMV and BLS certification are preferred.
Security Officer - Barnesville, GA at Walden Security
Atlanta, Georgia, United States - Full Time
Skills Needed
Security, Surveillance, Emergency Response, Customer Service, Conflict Resolution, Attention To Detail, Communication, Teamwork
Specialization
Candidates must have a High School diploma or GED and be at least 18 years old. They must also be able to pass a criminal background check and drug test.
Court Security Officer, Casper, WY at Walden Security
, , - Full Time
Skills Needed
Armed Security, Patrol, Surveillance, Traffic Control, Report Writing, Law Enforcement, Court Security, Emergency Response, Entry Control, Escort Duties, Safety Enforcement, Identification Systems, Security Equipment, Criminal Background Check, Drug Screening, Communication Skills
Specialization
Candidates must have a high school diploma or GED and at least three years of verifiable experience as a certified law enforcement officer. They must also pass a pre-employment drug screen and criminal background check.
Experience Required
Minimum 2 year(s)
Court Security Officer, Casper, WY at Walden Security
, , - Full Time
Skills Needed
Armed Security, Patrol, Surveillance, Traffic Control, Report Writing, Law Enforcement, Court Security, Emergency Response
Specialization
Candidates must have a high school diploma and at least three years of verifiable experience as a certified law enforcement officer. They must also pass a pre-employment drug screen and criminal background check.
Experience Required
Minimum 2 year(s)
Security Compliance & Privacy Lead at Tunstall Spain
Madrid, Community of Madrid, Spain - Full Time
Skills Needed
Information Security Compliance, Regulatory Frameworks, Audit Management, Policy Development, Stakeholder Management, Analytical Skills, Problem Solving, Communication Skills, Collaboration, Strategic Thinking, Attention To Detail, Self Driven, Learning Agility, Multicultural Experience, Control Frameworks, Data Protection
Specialization
Significant experience in information security compliance and managing security programs is required. A deep understanding of various regulatory frameworks and experience with audits is essential.
Experience Required
Minimum 5 year(s)
High End Hotel Security Guard - NY at Security USA Inc
New York, New York, United States - Full Time
Skills Needed
Security, Customer Service, Cctv Monitoring, Access Control, Incident Reporting, Patrolling, Communication, Attention To Detail
Specialization
A valid security guard license is required for this position. Experience in security roles is preferred but not explicitly stated.
Court Security Officer, Pierre, SD at Walden Security
, , - Full Time
Skills Needed
Armed Security, Patrol, Surveillance, Traffic Control, Report Writing, Law Enforcement, Court Security, Emergency Response, Access Control, Communication, Conflict Resolution, Safety Procedures, Identification Verification, Escort Services, Physical Fitness, Attention To Detail
Specialization
Candidates must have a high school diploma or GED and at least three years of verifiable experience as a certified law enforcement officer or military equivalent. They must also pass a pre-employment drug screen and criminal background check.
Experience Required
Minimum 2 year(s)
Court Security Officer, Pierre, SD at Walden Security
, , - Full Time
Skills Needed
Armed Security, Patrol, Surveillance, Traffic Control, Report Writing, Law Enforcement, Court Security, Emergency Response, Access Control, Communication, Conflict Resolution, Public Safety, Identification Verification, Escort Services, Safety Procedures, Security Equipment
Specialization
Candidates must have a high school diploma or GED and at least three years of verifiable experience as a certified law enforcement officer. They must also be at least 21 years old and pass a pre-employment drug screen and criminal background check.
Experience Required
Minimum 2 year(s)
Court Security Officer, Juneau, AK at Walden Security
, , - Full Time
Skills Needed
Armed Security, Patrol, Surveillance, Traffic Control, Report Writing, Law Enforcement, Court Security, Emergency Response, Entry Control, Escort Duties, Physical Fitness, Communication, Attention To Detail, Problem Solving, Teamwork, Public Safety
Specialization
Candidates must have a high school diploma or GED and at least three years of verifiable experience as a certified law enforcement officer. They must also be at least 21 years old and pass a pre-employment drug screen and criminal background check.
Experience Required
Minimum 2 year(s)
Senior Back-End Security Developer at Sigma Software
Bucharest, , Romania -
Full Time


Start Date

Immediate

Expiry Date

10 Feb, 26

Salary

0.0

Posted On

12 Nov, 25

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

No

Skills

Back-End Development, Security, Cryptography, API Development, Python, Go, Rust, C++, RESTful API, OAuth 2.0, JWT, mTLS, HSMs, CI/CD, Threat Modeling, Audit Logging

Industry

Software Development

Description
Company Description We’re looking for a Senior Back-end Engineer with a strong background in security to help build a next-generation confidential computing system from the ground up. You’ll design cryptographic infrastructure, develop Back-end services and APIs, and shape the core platform architecture. Working with HSMs, TEEs, and enterprise-grade cryptography, you’ll operate at the intersection of Back-end engineering and cybersecurity. If you’re eager to build secure, high-performance systems that redefine data protection, join us to shape the future of confidential computing! CUSTOMER Our Сustomer is at the forefront of AI and high-performance computing, building next-generation GPU infrastructure to power advanced AI/ML workloads, data analytics, and research. Their team has decades of hands-on experience with high-performance distributed systems, ranging from creating early distributed clusters at NASA to scaling infrastructure for global leaders such as Google, Microsoft, CoreWeave, and Yahoo!/AOL. They know the challenges developers face because they’ve experienced them, and they’re determined to improve the situation. PROJECT Today, they’re redefining AI infrastructure by putting control and efficiency back into the hands of developers. With the latest GPUs, exceptional reliability, and transparent, fair pricing, they’re making powerful AI more accessible and enjoyable to use. Their mission is simple yet bold: great AI developers deserve great AI infrastructure. By empowering creators with the necessary tools, they’re paving the way for real breakthroughs in artificial intelligence, and they’re just getting started. Job Description Design and build high-performance, secure Back-end services for our vault and key management infrastructure Develop cryptographic workflows, including key generation, rotation, and secure storage mechanisms Build robust APIs with comprehensive authentication, authorization, and rate limiting Write clean, maintainable, and well-tested code with security as a primary consideration Implement comprehensive audit logging and monitoring for security-critical operations Collaborate with the security team on threat modeling and security reviews Participate in code reviews with a focus on security best practices Create technical documentation for internal systems and API endpoints Integrate with Hardware Security Modules (HSMs) and cloud KMS services Implement secure secret management and rotation mechanisms Build defense-in-depth security controls across all services Conduct security analyses of third-party dependencies Participate in security audits and penetration testing remediation Qualifications 5+ years of Back-end development experience, building production systems Strong proficiency in Python (FastAPI, Django, or Flask) and/or Go, Rust, C++ Solid understanding of cryptographic principles, including symmetric and asymmetric encryption, hashing, key derivation and digital signatures Experience with RESTful API design and development Understanding of authentication and authorization patterns (OAuth 2.0, JWT, and mTLS) Upper-Intermediate level of English Will be a plus: Experience with Trusted Execution Environments, such as Intel TDX, NVIDIA Confidential Computing, or Secure VMs Experience with Git, CI/CD pipelines, and modern development workflows Additional Information PERSONAL PROFILE Ability to adapt and thrive in ambiguous and fast-moving startup environments Strong problem-solving skills and the ability to diagnose complex security workflows Excellent communication skills and the ability to collaborate with DevOps, AI, and cloudengineering teams Detail-oriented mindset to ensure high availability and reliable services
Responsibilities
Design and build high-performance, secure back-end services for vault and key management infrastructure. Collaborate with the security team on threat modeling and security reviews.
Senior Back-End Security Developer at Sigma Software
Bucharest, , Romania - Full Time
Skills Needed
Back End Development, Security, Cryptography, Api Development, Python, Go, Rust, C++, Restful Api, Oauth 2.0, Jwt, Mtls, Hsms, Ci/Cd, Threat Modeling, Audit Logging
Specialization
5+ years of back-end development experience with strong proficiency in Python and/or Go, Rust, or C++. Solid understanding of cryptographic principles and experience with RESTful API design is required.
Experience Required
Minimum 5 year(s)
Security Guard Access Control Days at UNIVERSAL PROTECTION SERVICE LP ( DVA ALLIED UNIVERSAL SECURITY SERVICES )
Littleton, Colorado, United States - Full Time
Skills Needed
Customer Service, Access Control, Patrolling, Incident Response, Security Compliance, Identification Verification
Specialization
Applicants must be at least 18 years of age and possess a high school diploma or equivalent, or 5 years of verifiable experience. A background investigation and drug screening are conditions of employment.
Senior Back-End Security Developer at Sigma Software
São Paulo, São Paulo, Brazil - Full Time
Skills Needed
Back End Development, Security, Cryptography, Api Development, Python, Go, Rust, C++, Restful Api, Authentication, Authorization, Hsms, Tees, Audit Logging, Threat Modeling, Code Reviews, Ci/Cd
Specialization
5+ years of back-end development experience with strong proficiency in Python and/or Go, Rust, or C++. Solid understanding of cryptographic principles and experience with RESTful API design is required.
Experience Required
Minimum 5 year(s)
Senior Back-End Security Developer at Sigma Software
Kyiv, , Ukraine - Full Time
Skills Needed
Back End Development, Security, Cryptography, Api Development, Python, Go, Rust, C++, Restful Api, Authentication, Authorization, Audit Logging, Threat Modeling, Code Reviews, Hsm Integration, Secret Management, Security Analysis
Specialization
5+ years of back-end development experience with strong proficiency in Python and/or Go, Rust, C++. Solid understanding of cryptographic principles and experience with RESTful API design is required.
Experience Required
Minimum 5 year(s)
Security Engineer II Elastic Stack at Proficio
Singapore, , Singapore - Full Time
Skills Needed
Security Engineering, Network Security, Linux Administration, Windows Security, Vpn Configuration, Vulnerability Assessment, Siem Operations, Elastic Stack, Troubleshooting, Customer Service, Technical Liaison, Security Monitoring, Incident Response, Scripting, Network Analysis, Firewalls, Ids/Ips
Specialization
Candidates should have a Bachelor’s degree or equivalent experience, along with 4-5+ years in Network or Security Engineering. Security certifications and experience in a SOC or NOC environment are highly preferred.
Experience Required
Minimum 5 year(s)
Part time Security Officer (Taser) at Tarian
Pearland, Texas, United States - Full Time
Skills Needed
Security, Public Services, Taser Training, Emergency Response, Patient Supervision, Safety Protocols, Communication, Teamwork, Problem Solving, Physical Fitness, Attention To Detail, Customer Service, Crisis Management, Conflict Resolution, Observation Skills, First Aid
Specialization
Candidates must have a completed High School Diploma or GED and be able to obtain necessary licenses or certifications. Strong physical abilities and vision are required, along with the ability to handle emergency situations.
Senior Manager Security Management at Infineon Technologies AG Australia
Kulim, Kedah, Malaysia - Full Time
Skills Needed
N/A
Specialization
Candidates should have extensive experience in security management and a strong understanding of security protocols. A background in risk assessment and incident response is also essential.
Experience Required
Minimum 5 year(s)
Security Officer – Hospital Patrol at UNIVERSAL PROTECTION SERVICE LP ( DVA ALLIED UNIVERSAL SECURITY SERVICES )
Pittsburgh, Pennsylvania, United States - Full Time
Skills Needed
Customer Service, Patrolling, Incident Response, Security Procedures, Teamwork, Problem Solving, Monitoring, Reporting, Integrity, Healthcare Security, Emergency Response, Visible Presence, Collaboration, Welcoming Atmosphere, Deter Unauthorized Activity, Site Specific Policies
Specialization
Vaccination is required for hospital assignments, and applicants must be at least 18 years of age. A high school diploma or equivalent is necessary, and applicants will undergo a background investigation and drug screening.
Security Officer – Hospital Patrol at UNIVERSAL PROTECTION SERVICE LP ( DVA ALLIED UNIVERSAL SECURITY SERVICES )
Pittsburgh, Pennsylvania, United States - Full Time
Skills Needed
Customer Service, Patrol, Security Procedures, Emergency Response, Problem Solving, Observation, Reporting, Collaboration
Specialization
COVID-19 vaccination is required for hospital assignments, and applicants must be at least 18 years of age. A high school diploma or equivalent is necessary, and applicants will be subject to a background investigation and drug screen.
Security Officer – Hospital Patrol at UNIVERSAL PROTECTION SERVICE LP ( DVA ALLIED UNIVERSAL SECURITY SERVICES )
Monroeville, Pennsylvania, United States - Full Time
Skills Needed
Customer Service, Security Procedures, Emergency Response, Patrol, Incident Reporting, Communication, Problem Solving, Teamwork
Specialization
Applicants must be at least 18 years old and possess a high school diploma or equivalent. Vaccines are required for work in hospital environments, and a background investigation and drug screening will be conducted.
Security Officer – Hospital Patrol at UNIVERSAL PROTECTION SERVICE LP ( DVA ALLIED UNIVERSAL SECURITY SERVICES )
Pittsburgh, Pennsylvania, United States - Full Time
Skills Needed
Customer Service, Patrolling, Incident Response, Record Keeping, Problem Solving, Teamwork, Agility, Reliability
Specialization
Applicants must be at least 18 years old and possess a high school diploma or equivalent. Vaccinations are required for the hospital environment, and candidates will undergo a background investigation and drug screening.
Security Officer - Multiple Shifts at UAB St. Vincent's
Birmingham, Alabama, United States - Full Time
Skills Needed
Security Services, Incident Management, Emergency Preparedness, Traffic Enforcement, Monitoring, Training, Documentation, Patrols
Specialization
A high school diploma or equivalent, or one year of applicable experience is required. A driver's license from the Alabama DMV and BLS certification are preferred.
Security Officer - Barnesville, GA at Walden Security
Atlanta, Georgia, United States - Full Time
Skills Needed
Security, Surveillance, Emergency Response, Customer Service, Conflict Resolution, Attention To Detail, Communication, Teamwork
Specialization
Candidates must have a High School diploma or GED and be at least 18 years old. They must also be able to pass a criminal background check and drug test.
Court Security Officer, Casper, WY at Walden Security
, , - Full Time
Skills Needed
Armed Security, Patrol, Surveillance, Traffic Control, Report Writing, Law Enforcement, Court Security, Emergency Response, Entry Control, Escort Duties, Safety Enforcement, Identification Systems, Security Equipment, Criminal Background Check, Drug Screening, Communication Skills
Specialization
Candidates must have a high school diploma or GED and at least three years of verifiable experience as a certified law enforcement officer. They must also pass a pre-employment drug screen and criminal background check.
Experience Required
Minimum 2 year(s)
Court Security Officer, Casper, WY at Walden Security
, , - Full Time
Skills Needed
Armed Security, Patrol, Surveillance, Traffic Control, Report Writing, Law Enforcement, Court Security, Emergency Response
Specialization
Candidates must have a high school diploma and at least three years of verifiable experience as a certified law enforcement officer. They must also pass a pre-employment drug screen and criminal background check.
Experience Required
Minimum 2 year(s)
Security Compliance & Privacy Lead at Tunstall Spain
Madrid, Community of Madrid, Spain - Full Time
Skills Needed
Information Security Compliance, Regulatory Frameworks, Audit Management, Policy Development, Stakeholder Management, Analytical Skills, Problem Solving, Communication Skills, Collaboration, Strategic Thinking, Attention To Detail, Self Driven, Learning Agility, Multicultural Experience, Control Frameworks, Data Protection
Specialization
Significant experience in information security compliance and managing security programs is required. A deep understanding of various regulatory frameworks and experience with audits is essential.
Experience Required
Minimum 5 year(s)
High End Hotel Security Guard - NY at Security USA Inc
New York, New York, United States - Full Time
Skills Needed
Security, Customer Service, Cctv Monitoring, Access Control, Incident Reporting, Patrolling, Communication, Attention To Detail
Specialization
A valid security guard license is required for this position. Experience in security roles is preferred but not explicitly stated.
Court Security Officer, Pierre, SD at Walden Security
, , - Full Time
Skills Needed
Armed Security, Patrol, Surveillance, Traffic Control, Report Writing, Law Enforcement, Court Security, Emergency Response, Access Control, Communication, Conflict Resolution, Safety Procedures, Identification Verification, Escort Services, Physical Fitness, Attention To Detail
Specialization
Candidates must have a high school diploma or GED and at least three years of verifiable experience as a certified law enforcement officer or military equivalent. They must also pass a pre-employment drug screen and criminal background check.
Experience Required
Minimum 2 year(s)
Court Security Officer, Pierre, SD at Walden Security
, , - Full Time
Skills Needed
Armed Security, Patrol, Surveillance, Traffic Control, Report Writing, Law Enforcement, Court Security, Emergency Response, Access Control, Communication, Conflict Resolution, Public Safety, Identification Verification, Escort Services, Safety Procedures, Security Equipment
Specialization
Candidates must have a high school diploma or GED and at least three years of verifiable experience as a certified law enforcement officer. They must also be at least 21 years old and pass a pre-employment drug screen and criminal background check.
Experience Required
Minimum 2 year(s)
Court Security Officer, Juneau, AK at Walden Security
, , - Full Time
Skills Needed
Armed Security, Patrol, Surveillance, Traffic Control, Report Writing, Law Enforcement, Court Security, Emergency Response, Entry Control, Escort Duties, Physical Fitness, Communication, Attention To Detail, Problem Solving, Teamwork, Public Safety
Specialization
Candidates must have a high school diploma or GED and at least three years of verifiable experience as a certified law enforcement officer. They must also be at least 21 years old and pass a pre-employment drug screen and criminal background check.
Experience Required
Minimum 2 year(s)
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