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Kryptus SA

Senior Software Developer, Specialist

Kryptus SA

. Plan, coordinate, and execute medium- to long-term initiatives .

Posted 10/15/2026full-timeCampinas • BrazilSeniorWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in software development and technical leadership, with a strong focus on secure solutions and backend architecture. Proficient in Go and C programming, with experience in embedded systems and Linux environments.

Highest-signal resume keywords
Go Programming LanguageEmbedded LinuxTechnical LeadershipSecure Software DevelopmentApplied Cryptography

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
C ProgrammingLinux NetworkingUnit TestingIntegration TestingLinux Kernel Module DevelopmentBare-Metal Firmware DevelopmentSecure BootChain Of TrustDisk EncryptionDevice Management Protocols
Soft Skills
Strong CommunicationTeamwork Skills
Tools & Technologies
GitCI/CDVivadoVitisU-Boot
Certifications & Qualifications
FIPS 140-3Common Criteria
Industry Keywords
CybersecurityCryptographyDistributed SystemsTechnical PlanningMission-Critical Environments

Tech Stack

Tools & technologies
LinuxGo

About the role

Key responsibilities & impact
  • Plan, coordinate, and execute medium- to long-term initiatives
  • Define development plans, milestones, and critical dependencies
  • Monitor development progress and ensure deliverables are completed on time and within scope
  • Translate high-level requirements into actionable technical development plans
  • Ensure all stakeholders are informed about progress, risks, and scope changes
  • Work with technical leadership and engineers to ensure scalable and resilient solutions
  • Develop Kryptus solutions focused on securing sensitive data in mission-critical environments
  • Contribute to backend architecture, scalability, and security
  • Collaborate with cybersecurity, cryptography, and distributed systems specialists

Requirements

What you’ll need
  • Bachelor’s and Master’s/Doctoral degrees completed in Computer Science or Computer Engineering, Information Systems, or related fields
  • Strong experience with the Go programming language and C
  • Previous experience with Embedded Linux and Yocto projects
  • Experience with Linux networking, including routing and netfilter/nftables
  • Experience in technical leadership, including architecture definition, code review, mentoring, and technical planning
  • Knowledge of secure software development best practices
  • Experience with unit and integration testing
  • Experience with Git and CI/CD
  • Strong communication and teamwork skills
  • Technical English proficiency, including reading documentation and writing code
  • Linux kernel module development and/or network datapath performance optimization
  • Bare-metal firmware development, such as MSP430
  • Secure boot, chain of trust, and disk encryption using LUKS
  • Board bring-up, including U-Boot, device trees, and NXP Layerscape SoCs
  • Applied cryptography, including PKI/X.509, TLS 1.3, and post-quantum cryptography
  • Experience with certification processes, including FIPS 140-3 and Common Criteria
  • Development using Vivado/Vitis
  • Device management protocols, including NETCONF, SZTP, and EST
  • Advanced or fluent English

Benefits

Comp & perks
  • Profit-sharing bonus (PLR)
  • Health insurance
  • Dental insurance
  • Attractive benefits package, including meal and food allowances through a multi-benefit card
  • Transportation allowance
  • TotalPass
  • Day off—celebrate your day your way
  • SESC partnership
  • Extended maternity and paternity leave
  • Mental health platforms, including therapy
  • Highly skilled technical team
  • Low bureaucracy and high impact
  • Freedom with accountability
  • Diversity, respect, and creativity valued
  • Opportunities to grow and contribute to strategic technical decisions
  • Regular happy hours
  • Relaxation area
  • A variety of food and beverages available every day
  • Regular feedback
  • Collaborative environment that respects diversity, minimizes bureaucracy, and consistently encourages creativity and professional growth