• Develop, maintain, and evolve back-end applications and services in .NET (C#), following best practices for quality and performance; • Support technical architecture decisions, contributing suggestions and applying development patterns; • Work on code improvements and refactoring to achieve better organization, readability, and scalability; • Build and maintain integrations with RESTful APIs, external services, and legacy systems; • Work with data modeling and data access, ensuring consistency and good query performance; • Apply engineering practices such as code versioning, testing, and basic monitoring; • Collaborate with the team in developing solutions, sharing knowledge, and continuously learning; • Participate in refinement, estimation, and delivery activities within agile methodologies; • Support deployment and continuous integration processes in Azure DevOps environments.

• Participate in the development of products for international e-commerce sites across multiple countries, with a focus on full‑stack development; • Participate in the development of technology products for international stores across multiple countries, with a focus on full‑stack development; • Support technical decision-making; • Contribute to delivery documentation; • Maintain existing code as well as develop new features.

Kunai builds full-stack technology solutions for banks, credit and payment networks, infrastructure providers, and their customers. Together, we are changing the world’s relationship with financial services. At Kunai, we help our clients modernize, capitalize on emerging trends, and evolve their business for the coming decades by remaining tech-agnostic and human-centered. We are hiring a Profile Scripting Language (PSL) Developer to work on initiatives with large-scale banking clients. This role will be responsible for developing and maintaining the FIS Profile Core Banking System. Responsibilities include writing and debugging code using the Profile Scripting Language (PSL), coding and integrating new components, modifying existing ones and providing support for projects like upgrades and conversions. Key responsibilities: - Utilize PSL/MUMPs to code, debug, and maintain applications and program logic within the core banking system. - Maintain, test, and integrate new application components and ensure the successful deployment of system improvements. - Provide technical support, troubleshoot issues, and ensure application reliability and performance. Required qualifications: - At least 3 years of experience developing and maintaining core banking systems in Profile Scripting Language (PSL), MUMPs - Experience with FIS Core Banking Platform - Knowledge of financial industry best practices, regulations, and operations, particularly in areas like retail and commercial deposits, loans, and/or debit card processing - Familiarity with GT.M Database - Excellent communication skills and the ability to collaborate across several engineering and product teams - Excellent Analytical skills Nice to have requirements: - Automated testing (Z-unit) - Unix-based application and/or infrastructure support - Shell Scripting (BSH) - AWS – EC2, S3, Cloudwatch - Tidal Automation/Scheduler Our success over the past 20 years is rooted in our exceptional team, which thrives in a culture of collaboration, creativity, and continuous learning. We are proud to offer our employees a range of benefits, including competitive compensation, professional development opportunities, and flexible work arrangements, all designed to help them thrive. As we continue to expand, we remain committed to cultivating an environment where people feel valued, have a voice, and are given the tools to grow—both personally and professionally—while pushing the boundaries of innovation in the fintech industry. Minimum Degree Required: - Bachelor’s Degree, in lieu of a degree, demonstrating in addition to the minimum years of experience required for the role, three years of specialized training and/or progressively responsible work experience in technology for each missing year of college is required

Company Description CS Group USA, a subsidiary of CS Group, is a key player in the development and certification of safety-critical systems in the aerospace industry in the United States. Joining CS Group USA is a unique opportunity to work on complex high-tech systems for the most prestigious aerospace manufacturers in the country. Our team operates primarily remotely, with employees based across multiple U.S. states, offering flexibility while staying closely connected. We offer competitive compensation, comprehensive benefits, and a collaborative environment that fosters skill development and active involvement in the company’s growth. Job Description As a DO-178 Software Engineer, you will contribute to the development and verification of embedded software in compliance with DO-178C guidelines for safety-critical avionics systems. You will work closely with system engineers, software developers, and certification specialists to ensure compliance with aviation safety standards. Responsibilities - Develop embedded software for real-time avionics systems - Participate in the full software lifecycle in accordance with DO-178C - Produce and maintain certification artifacts (plans, standards, and lifecycle data) - Perform software verification and validation activities (reviews, unit testing, integration testing) - Contribute to traceability between requirements, design, code, and tests - Support certification activities with authorities and customers - Participate in technical reviews and audits - Collaborate with multidisciplinary teams (systems, hardware, quality, safety) Qualifications - Bachelor’s or Master’s degree in Computer Engineering, Software Engineering, or Aerospace Engineering - Experience in embedded software development - Good understanding of DO-178C software lifecycle processes - Experience with C or C++ programming - Knowledge of software verification activities (unit testing, integration testing, structural coverage) - Familiarity with requirements management and traceability tools (e.g., DOORS or equivalent) is an asset - Experience with avionics certification environments is a strong asset - Strong communication skills and ability to work in a collaborative engineering environment Additional Information CS Group US values diversity in the workplace and encourages women, visible minorities, ethnic minorities, aboriginal people and people with disabilities to apply. Benefits - All members included in annual cash bonus opportunity - 2% annual retirement benefit opportunity - Training/Professional Development opportunities for all members - 6 paid holidays - Industry leading medical, dental, and vision Insurance - Vacation / Sick Time / Bereavement leave - Employee Assistance Program, including mental health benefits - Spouse / Child Optional Life - Whole Life Insurance / Critical Illness Insurance / Legal Assistance / Military Leave All your information will be kept confidential according to EEO guidelines.