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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, Authentication, Authorization, Audit Logging, Threat Modeling, Code Reviews, Hsm Integration, Secret Management, Security Analysis
Specialization
Candidates should have 5+ years of back-end development experience and strong proficiency in Python or Go, Rust, C++. A solid understanding of cryptographic principles and experience with RESTful API design is also 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, Python, Go, Rust, C++, Restful Api, Authentication, Authorization, Audit Logging, Monitoring, Threat Modeling, Code Reviews, Secret Management, Security Audits, Penetration Testing
Specialization
Candidates should have 5+ years of back-end development experience and strong proficiency in Python or other programming languages. A solid understanding of cryptographic principles and experience with RESTful API design is also required.
Experience Required
Minimum 5 year(s)
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, Authentication, Authorization, Audit Logging, Threat Modeling, Code Reviews, Hsm Integration, Secret Management, Security Analysis
Specialization
Candidates should have 5+ years of back-end development experience and strong proficiency in Python or Go, Rust, C++. A solid understanding of cryptographic principles and experience with RESTful API design is also required.
Experience Required
Minimum 5 year(s)
Senior Back-End Security Developer at Sigma Software
Warsaw, Masovian Voivodeship, Poland - Full Time
Skills Needed
Back End Development, Security, Cryptography, Api Development, Python, Go, Rust, C++, Restful Api, Oauth 2.0, Jwt, Mtls, Hsms, Tees, Ci/Cd, Threat Modeling
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 Patrol Driver - Full Time at UNIVERSAL PROTECTION SERVICE LP ( DVA ALLIED UNIVERSAL SECURITY SERVICES )
Franklin, Tennessee, United States - Full Time
Skills Needed
Customer Service, Patrolling, Problem Solving, Security Procedures, Emergency Response, Teamwork, Integrity, Agility, Reliability, Monitoring, Engagement, Visibility, Collaboration, Safety, Communication, Deter Security Incidents
Specialization
Applicants must possess a valid driver's license and be at least 18 years of age. A high school diploma or equivalent is required, and candidates will undergo a background investigation and drug screening.
ROI - Security Officer - Full Time at Bidvestnoonan
Dublin, County Dublin, Ireland - Full Time
Skills Needed
Training, Computer Literacy, Communication Skills, Difficult Situations
Qualification
Graduate
Experience Required
Minimum 5 year(s)
Casual Security Guards - Whakatane at Wilson Group
Whakatāne, Bay of Plenty, New Zealand - Full Time
Skills Needed
Customer Service, Communication Skills, Flexibility, Reliability, Safety Awareness
Specialization
Candidates must be 18 years or older and possess a clean full class 1 driver's license. They should demonstrate sound customer service skills and be available to work most days.
Administratief medewerker Security at Securitas USA Corporate Services
Antwerp, Antwerp, Belgium - Full Time
Skills Needed
Fluency In Three Languages, Ms Office Knowledge, Problem Solving, Communication Skills, Initiative, Adaptability, Integrity, Loyalty, Analytical Skills, Organizational Skills, Discretion, Attention To Detail
Specialization
The ideal candidate should be fluent in Dutch, French, and English, possess knowledge of MS Office, and demonstrate excellent communication skills. A proven ability to solve complex problems and work discreetly with confidential information is essential.
Security Dispatcher Full Time Days at Tenet Healthcare
Detroit, Michigan, United States - Full Time
Skills Needed
Effective Written Communication, Effective Oral Communication, Interpersonal Skills, Crisis Management, Judgement, Critical Thinking, Active Listening, Report Writing, Customer Service, Knowledge Of Security Orders, Emergency Management, Life Safety Systems Monitoring, Technology Equipment Operation, Call Prioritization, Coordination With Emergency Services
Specialization
A high school diploma or GED is required, along with effective communication and interpersonal skills. The candidate must be able to handle crisis situations and demonstrate sound judgement and critical thinking skills.
Security Professional Flex Officer at UNIVERSAL PROTECTION SERVICE LP ( DVA ALLIED UNIVERSAL SECURITY SERVICES )
Hanford, California, United States - Full Time
Skills Needed
Security Experience, Communication Skills, Attention To Detail, Problem Solving Skills, Teamwork, Adaptability, Customer Service, Report Writing
Specialization
Candidates must possess a high school diploma or equivalent and have a valid California Driver's License along with an active CA Guard Card. They should also be at least 18 years of age and able to adapt to different post assignments.
Lead Enterprise Security Architect at evoke
Leeds, England, United Kingdom - Full Time
Skills Needed
Good Communication Skills
Qualification
Graduate
ROI - Security Officer - Full Time at Bidvestnoonan
London EC3A, , United Kingdom - Full Time
Skills Needed
Difficult Situations, Training, Communication Skills, Computer Literacy
Qualification
Graduate
Experience Required
Minimum 5 year(s)
Senior Offensive Security Engineer at Just eat Takeawaycom
Amsterdam, , Netherlands - Full Time
Skills Needed
Good Communication Skills
Qualification
Graduate
Security Analysis - Senior Analyst at Telstra
Melbourne, Victoria, Australia - Full Time
Skills Needed
Penetration Testing, Web Application Security, Documentation/Communication, Programming, Debugging, Reverse Engineering, Vulnerability Research, Administration, Networking Skills, Technical Leadership
Specialization
Candidates should have a minimum of 3 years of experience in red teaming, penetration testing, or security research, along with sufficient programming experience. Proven abilities in developing custom toolsets and communicating security findings to stakeholders are essential.
Experience Required
Minimum 5 year(s)
Security Professional Flex Officer at UNIVERSAL PROTECTION SERVICE LP ( DVA ALLIED UNIVERSAL SECURITY SERVICES )
Phoenix, Arizona, United States - Full Time
Skills Needed
Security Patrols, Emergency Notifications, Report Writing, Customer Service, Communication Skills, Problem Solving, Attention To Detail, Teamwork
Specialization
Candidates must possess a high school diploma or equivalent and be at least 18 years of age. A valid driver's license and the ability to pass a background investigation and drug screen are also required.
Senior Java Developer API Security at Client Server
Cambridge CB4 0WS, , United Kingdom - Full Time
Skills Needed
Good Communication Skills
Qualification
Graduate
Sr. Security Operations Specialist at Super Micro Computer
Den Bosch, , Netherlands - Full Time
Skills Needed
Transformations, Management Skills, Loss Prevention, Regulatory Requirements, Security, Law Enforcement, Agile Methodologies
Qualification
Graduate
Experience Required
Minimum 2 year(s)
Chief Information Security Officer at Daisy Communications
Manchester, England, United Kingdom - Full Time
Skills Needed
Regulations, Divestitures, Business Value, Operations, Teams, Customer Presentations, Security Awareness
Qualification
Graduate
Sr. Network Security Engineer-3636 at Mitchell 1 Group
San Diego, California, United States - Full Time
Skills Needed
Network Security, Application Security, Ddos Mitigation, Web Application Security, Splunk, Rapid7, F5 Technologies, Scripting, Tcp/Ip, Firewalls, Vpns, Incident Response, Bot Defense, Iis Security, Cisco Products, Zero Trust Architecture
Specialization
Candidates should have a Bachelor’s degree in Information Technology or equivalent experience, along with 7+ years in application, system, and/or network administration. Strong knowledge of security principles and hands-on experience with relevant technologies is essential.
Experience Required
Minimum 5 year(s)
Hotel Security Officer - Tarrytown at MediSync GmbH
Tarrytown, New York, United States - Full Time
Skills Needed
Customer Service, Safety Procedures, Monitoring, Patrolling, Incident Response, Report Writing, Communication, Physical Fitness
Specialization
Candidates must be at least 18 years old and possess a High School Diploma or GED. A valid New York State Security Guard License and a driver's license are also required.
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, Authentication, Authorization, Audit Logging, Threat Modeling, Code Reviews, HSM Integration, Secret Management, Security Analysis

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 while implementing comprehensive audit logging and monitoring for security-critical operations.
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, Authentication, Authorization, Audit Logging, Threat Modeling, Code Reviews, Hsm Integration, Secret Management, Security Analysis
Specialization
Candidates should have 5+ years of back-end development experience and strong proficiency in Python or Go, Rust, C++. A solid understanding of cryptographic principles and experience with RESTful API design is also 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, Python, Go, Rust, C++, Restful Api, Authentication, Authorization, Audit Logging, Monitoring, Threat Modeling, Code Reviews, Secret Management, Security Audits, Penetration Testing
Specialization
Candidates should have 5+ years of back-end development experience and strong proficiency in Python or other programming languages. A solid understanding of cryptographic principles and experience with RESTful API design is also required.
Experience Required
Minimum 5 year(s)
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, Authentication, Authorization, Audit Logging, Threat Modeling, Code Reviews, Hsm Integration, Secret Management, Security Analysis
Specialization
Candidates should have 5+ years of back-end development experience and strong proficiency in Python or Go, Rust, C++. A solid understanding of cryptographic principles and experience with RESTful API design is also required.
Experience Required
Minimum 5 year(s)
Senior Back-End Security Developer at Sigma Software
Warsaw, Masovian Voivodeship, Poland - Full Time
Skills Needed
Back End Development, Security, Cryptography, Api Development, Python, Go, Rust, C++, Restful Api, Oauth 2.0, Jwt, Mtls, Hsms, Tees, Ci/Cd, Threat Modeling
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 Patrol Driver - Full Time at UNIVERSAL PROTECTION SERVICE LP ( DVA ALLIED UNIVERSAL SECURITY SERVICES )
Franklin, Tennessee, United States - Full Time
Skills Needed
Customer Service, Patrolling, Problem Solving, Security Procedures, Emergency Response, Teamwork, Integrity, Agility, Reliability, Monitoring, Engagement, Visibility, Collaboration, Safety, Communication, Deter Security Incidents
Specialization
Applicants must possess a valid driver's license and be at least 18 years of age. A high school diploma or equivalent is required, and candidates will undergo a background investigation and drug screening.
ROI - Security Officer - Full Time at Bidvestnoonan
Dublin, County Dublin, Ireland - Full Time
Skills Needed
Training, Computer Literacy, Communication Skills, Difficult Situations
Qualification
Graduate
Experience Required
Minimum 5 year(s)
Casual Security Guards - Whakatane at Wilson Group
Whakatāne, Bay of Plenty, New Zealand - Full Time
Skills Needed
Customer Service, Communication Skills, Flexibility, Reliability, Safety Awareness
Specialization
Candidates must be 18 years or older and possess a clean full class 1 driver's license. They should demonstrate sound customer service skills and be available to work most days.
Administratief medewerker Security at Securitas USA Corporate Services
Antwerp, Antwerp, Belgium - Full Time
Skills Needed
Fluency In Three Languages, Ms Office Knowledge, Problem Solving, Communication Skills, Initiative, Adaptability, Integrity, Loyalty, Analytical Skills, Organizational Skills, Discretion, Attention To Detail
Specialization
The ideal candidate should be fluent in Dutch, French, and English, possess knowledge of MS Office, and demonstrate excellent communication skills. A proven ability to solve complex problems and work discreetly with confidential information is essential.
Security Dispatcher Full Time Days at Tenet Healthcare
Detroit, Michigan, United States - Full Time
Skills Needed
Effective Written Communication, Effective Oral Communication, Interpersonal Skills, Crisis Management, Judgement, Critical Thinking, Active Listening, Report Writing, Customer Service, Knowledge Of Security Orders, Emergency Management, Life Safety Systems Monitoring, Technology Equipment Operation, Call Prioritization, Coordination With Emergency Services
Specialization
A high school diploma or GED is required, along with effective communication and interpersonal skills. The candidate must be able to handle crisis situations and demonstrate sound judgement and critical thinking skills.
Security Professional Flex Officer at UNIVERSAL PROTECTION SERVICE LP ( DVA ALLIED UNIVERSAL SECURITY SERVICES )
Hanford, California, United States - Full Time
Skills Needed
Security Experience, Communication Skills, Attention To Detail, Problem Solving Skills, Teamwork, Adaptability, Customer Service, Report Writing
Specialization
Candidates must possess a high school diploma or equivalent and have a valid California Driver's License along with an active CA Guard Card. They should also be at least 18 years of age and able to adapt to different post assignments.
Lead Enterprise Security Architect at evoke
Leeds, England, United Kingdom - Full Time
Skills Needed
Good Communication Skills
Qualification
Graduate
ROI - Security Officer - Full Time at Bidvestnoonan
London EC3A, , United Kingdom - Full Time
Skills Needed
Difficult Situations, Training, Communication Skills, Computer Literacy
Qualification
Graduate
Experience Required
Minimum 5 year(s)
Senior Offensive Security Engineer at Just eat Takeawaycom
Amsterdam, , Netherlands - Full Time
Skills Needed
Good Communication Skills
Qualification
Graduate
Security Analysis - Senior Analyst at Telstra
Melbourne, Victoria, Australia - Full Time
Skills Needed
Penetration Testing, Web Application Security, Documentation/Communication, Programming, Debugging, Reverse Engineering, Vulnerability Research, Administration, Networking Skills, Technical Leadership
Specialization
Candidates should have a minimum of 3 years of experience in red teaming, penetration testing, or security research, along with sufficient programming experience. Proven abilities in developing custom toolsets and communicating security findings to stakeholders are essential.
Experience Required
Minimum 5 year(s)
Security Professional Flex Officer at UNIVERSAL PROTECTION SERVICE LP ( DVA ALLIED UNIVERSAL SECURITY SERVICES )
Phoenix, Arizona, United States - Full Time
Skills Needed
Security Patrols, Emergency Notifications, Report Writing, Customer Service, Communication Skills, Problem Solving, Attention To Detail, Teamwork
Specialization
Candidates must possess a high school diploma or equivalent and be at least 18 years of age. A valid driver's license and the ability to pass a background investigation and drug screen are also required.
Senior Java Developer API Security at Client Server
Cambridge CB4 0WS, , United Kingdom - Full Time
Skills Needed
Good Communication Skills
Qualification
Graduate
Sr. Security Operations Specialist at Super Micro Computer
Den Bosch, , Netherlands - Full Time
Skills Needed
Transformations, Management Skills, Loss Prevention, Regulatory Requirements, Security, Law Enforcement, Agile Methodologies
Qualification
Graduate
Experience Required
Minimum 2 year(s)
Chief Information Security Officer at Daisy Communications
Manchester, England, United Kingdom - Full Time
Skills Needed
Regulations, Divestitures, Business Value, Operations, Teams, Customer Presentations, Security Awareness
Qualification
Graduate
Sr. Network Security Engineer-3636 at Mitchell 1 Group
San Diego, California, United States - Full Time
Skills Needed
Network Security, Application Security, Ddos Mitigation, Web Application Security, Splunk, Rapid7, F5 Technologies, Scripting, Tcp/Ip, Firewalls, Vpns, Incident Response, Bot Defense, Iis Security, Cisco Products, Zero Trust Architecture
Specialization
Candidates should have a Bachelor’s degree in Information Technology or equivalent experience, along with 7+ years in application, system, and/or network administration. Strong knowledge of security principles and hands-on experience with relevant technologies is essential.
Experience Required
Minimum 5 year(s)
Hotel Security Officer - Tarrytown at MediSync GmbH
Tarrytown, New York, United States - Full Time
Skills Needed
Customer Service, Safety Procedures, Monitoring, Patrolling, Incident Response, Report Writing, Communication, Physical Fitness
Specialization
Candidates must be at least 18 years old and possess a High School Diploma or GED. A valid New York State Security Guard License and a driver's license are also required.
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