Strong Middle/Senior Full Stack Engineer

Are you passionate about building secure, high-performance systems that protect valuable digital assets? We are looking for a Strong Middle / Senior Software Engineer to join our team and contribute to cutting-edge cybersecurity solutions. 

We at Sigma Software partner with industry leaders to deliver advanced protection against digital threats, ensuring safe environments for individuals, organizations, and communities. Joining us means working alongside top professionals, gaining access to professional development opportunities, and enjoying a supportive culture.

Why join us? Competitive compensation, flexible work arrangements, and the chance to work on meaningful projects that make a difference in the digital space.

CUSTOMER

Our Customer is a leading provider of comprehensive cybersecurity solutions, operating across multiple sectors to safeguard against a wide range of digital threats. Their expertise includes proactive threat neutralization, real-time operational governance, and advanced anomaly detection, ensuring secure environments for high-value assets.

PROJECT

The project delivers autonomous governance and real-time operational protocols to protect sensitive information assets. It offers comprehensive visibility into dynamic execution patterns and proactively neutralizes systemic anomalies to ensure total environment stability. The solution integrates backend APIs, microservices, and advanced reporting to support high-performance, security-focused workflows.

• Investigate and resolve client escalations beyond first-line support capabilities
• Drive end-to-end delivery of new features and enhancements, from requirements gathering to implementation and stakeholder feedback
• Develop and maintain backend APIs and microservices supporting reporting, integrations, and core product workflows
• Work within a mature codebase, refactoring and improving existing components to enhance scalability, maintainability, and performance
• Act as R&D Owner for roadmap initiatives, leading grooming, requirements definition, implementation, and review
• Participate in code reviews, share knowledge, and promote engineering best practices across the team

• 5+ years of commercial software engineering experience with JavaScript, TypeScript, React, Node.js, and Go
• Hands-on experience with SQL and NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB)
• Experience with cloud platforms AWS and/or GCP, including deployment and infrastructure management
• Ability to work independently and take ownership of complex initiatives
• Strong problem-solving skills with the ability to translate complex requirements into clear technical solutions
• Proactive mindset for identifying and implementing product/process improvements
• Advanced written and spoken English 

WILL BE A PLUS

• Experience with cybersecurity, fraud prevention, detection, or other security-focused products
• Experience with large-scale, high-traffic, or performance-sensitive systems

PERSONAL PROFILE

• Self-driven engineer with strong ownership mentality
• Capable of leading initiatives from concept to delivery
• Enjoys tackling complex challenges and improving systems
• Committed to contributing to team-wide best practices