About VOXVOX is a visionary company led by a single founder, currently leading the way in flashcall and telecom carrier services, transforming the way businesses communicate, authenticate and connect. As a hyper-growth company, VOX achieved over 25% YoY revenue growth last year and is aiming to reach $100M+ revenue this year. VOX is looking for a team of growth-driven individuals to take the company to new heights. VOX's cutting-edge technology and dedicated customer service team ensure that telcos and enterprises maintain secure, fast, and reliable connections while protecting their networks. VOX's promise of a hassle-free experience and superior customer support enables telcos and enterprises to focus on success. As a company, VOX focuses on solutions that monetize the assets of mobile network operators.Joining VOX offers the opportunity to work with the industry's leading technologies and help them stay ahead and continue to innovate with a comprehensive suite of flashcall and telecom carrier services. VOX is highly committed to providing its employees with a dynamic, forward-thinking work environment, competitive compensation and benefits, vacation and time-off packages, and stock options. This is a once-in-a-lifetime opportunity for highly ambitious individuals, as VOX plans to expand its solutions portfolio and go public in the next 3-5 years.Role Objective And Key AccountabilitiesThe Senior Software Engineer is responsible for designing, implementing, and delivering reliable, secure, and scalable software systems that support Vox Solutions’ telecom firewall products and services. In addition to delivering high-quality software, the Senior Software Engineer provides technical leadership through architecture definition, mentoring, and process improvement, ensuring the team consistently meets engineering standards and delivery expectations.Reports to: Engineering team leadKey InteractionsBackend and frontend engineers, DevOps/Infrastructure, Analytics team, QA/Testing, Product ManagementCore ResponsibilitiesSoftware Engineering & DeliveryAnalyse complex requirements and define technical approaches aligned with system architectureDesign and implement backend services, APIs, and distributed systems that meet performance and reliability expectationsLead delivery of complex, multi-sprint initiatives from design through deploymentEnsure software is secure, maintainable, testable, and aligned with engineering standardsReview and validate technical designs to ensure alignment with long-term platform goalsProvide accurate effort estimates and manage technical risks during implementationArchitecture & Technical LeadershipDefine architectural patterns, coding standards, and best practices for team-wide adoptionLead design reviews and make informed architectural decisionsEnsure systems are designed for scalability, resilience, and maintainabilityGuide engineers in applying appropriate design patterns and engineering principlesContribute to long-term platform evolution and technical strategyQuality, Reliability & SecurityEnsure all delivered systems meet defined reliability, performance, and security standardsDrive adoption of testing, code quality, and review practices across the teamLead root cause analysis for production incidents and implement preventative improvementsSupport definition of monitoring, observability, and alerting approachesPromote secure coding practices and risk awarenessMentorship & Knowledge SharingMentor software engineers, supporting skill development and technical growthProvide constructive feedback through code reviews and design discussionsSupport onboarding of new engineers and contribute to internal technical documentationEncourage knowledge sharing and continuous learning within the teamCollaboration & CommunicationWork closely with Product and Project teams to translate business requirements into technical solutionsCommunicate technical trade-offs and risks clearly to stakeholdersParticipate actively in agile processes and delivery planningSupport cross-team coordination to ensure integrated system deliveryInnovation & Continuous ImprovementEvaluate new technologies and approaches that may improve product capabilities or team efficiencyContribute to research, prototyping, and AI-assisted development initiativesDrive improvements in engineering processes, tools, and standardsEncourage data-driven decisions for performance and scalability enhancementsTelecom Domain ExpertiseGuide implementation of telecom protocol features and integrationsEnsure solutions align with industry standards and operator expectationsSupport investigation of telecom-related issues and architectural impactsMaintain awareness of evolving telecom technologies and security considerationsSkills & CompetenciesCore Engineering SkillsStrong understanding of software architecture and system designExpertise in backend development and API designStrong knowledge of databases, distributed systems, and performance optimisationExperience working in Linux environments and cloud-native systemsFamiliarity with CI/CD, containerisation, and deployment automationLeadership & Professional SkillsStrong mentoring and coaching abilitiesClear communication and documentation skillsAbility to evaluate trade-offs and make informed technical decisionsStrong ownership mindset and accountability for delivery outcomesCommitment to engineering excellence and continuous improvementExperience & EducationDegree in Computer Science, Engineering, or a related discipline (or equivalent experience)Minimum 3 years in a senior or equivalent engineering role5+ years of professional software development experience preferredExperience working in agile software delivery environmentsPerformance ExpectationsDelivers complex systems that meet quality, reliability, and performance standardsDefines architectural approaches that support long-term platform scalabilityProvides effective mentorship that improves overall team capabilityEnsures adherence to engineering standards, testing, and review practicesResolves complex technical challenges and supports incident investigationsCommunicates technical decisions clearly and justifies trade-offsContributes to improvements in processes, tooling, and delivery practicesDemonstrates ownership of technical outcomes and system reliabilitySupports successful delivery across multiple concurrent initiativesJoin the team and help shape the future of the telecom industry! 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