Senior Software Engineer – Authentication

🕒 December 22, 2025

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Entersekt

WebsiteLinkedInAll Job Openings

51 - 200 employees

🔐 Security

💳 Fintech

🏦 Banking

💰 Venture Round on 2022-06

Security • Fintech • Banking

Entersekt is a global leader in authentication and fraud prevention solutions for the financial services sector. Their patented Context Aware™ Authentication technology positions them as an industry pioneer in providing secure and seamless digital banking and payment experiences. Entersekt's platform is integrated with multiple banking channels, offering 3-D Secure payments and regulatory compliance solutions to financial institutions, including banks and payment processors across the United States, Europe, and Africa. With a commitment to reducing fraud and friction in financial transactions, Entersekt delivers cutting-edge security measures to protect against threats while enhancing user experience.

📋 Description

• Develop, test, and maintain robust, scalable microservices that process large volumes of requests in real time. • Assist in the design of new features, ensuring high-performance and secure implementations. • Mentor and guide junior engineers in delivering high quality products. • Collaborate with cross-functional teams to define and implement innovative, data-driven solutions. • Work closely with DevOps to ensure smooth deployment and scaling of microservices in cloud environments (AWS). • Drive architectural improvements for high-performance, fault-tolerant systems.

🎯 Requirements

• 5+ years of experience with general-purpose programming languages such as Java, Python, or Golang. Golang experience is preferred. • Proven track record of mentoring junior team members. • Experience with cloud platforms, particularly AWS. Familiarity with key AWS services such as EKS, Aurora, Lambda, S3 and API Gateway, and experience deploying and managing applications in cloud environments. • Experience with containerisation and orchestration technologies, such as Docker, Kubernetes, and Helm, for managing microservices-based architectures. • A strong understanding of software architecture, with experience building and scaling microservices for high-performance environments. • Familiarity with security best practices, including knowledge of cryptography, public key infrastructure (PKI), and secure system design. • Experience with automated testing, including unit, integration, and performance tests, to ensure software quality and stability. • Agile experience: familiarity with Scrum or Kanban methodologies, contributing effectively in cross-functional agile teams. • A bachelor’s degree in Computer Science, Engineering, or a related field is preferred, though relevant experience is highly valued.

🏖️ Benefits

• Flexible working hours • Remote work options • Professional development opportunities