Senior Software Engineer (React) (She/He/They) at Capco

CAPCO POLAND *We are looking for Poland based candidate. Capco is a fully independent, global management and technology consultancy. For 25 years we have combined innovative thinking with deep industry knowledge to deliver business consulting, digital transformation and technology services to Finance and Energy markets. Our collaborative and efficient approach helps clients reduce costs and manage risk and regulatory change while increasing revenues. We are thinkers, innovators, and disruptors. We are small enough to care but large enough to matter. Role Overview As a Senior Software Engineer, you will serve as a senior full-stack developer for our B2B and B2C SaaS products, with a focus on building secure, scalable, and customer-centric platforms. You’ll be hands-on with frontend and backend development across our React/TypeScript and NestJS/Node.js stack. This is a great opportunity to shape innovative applications that secure millions of small businesses and consumers while deepening your expertise in cybersecurity — a rapidly growing and impactful domain. How you will get the job done • Write and deliver clean, maintainable, and well-tested code. • Implement front-end UI components using TypeScript and React Framework. • Implement RESTful API endpoints using TypeScript, NestJS, and Node.js. • Participate in peer code reviews to maintain code quality and adhere to engineering best practices. • Collaborate with developers to build reusable code and libraries for future use. • Implement software security requirements. • Leverage new and cutting-edge developer tools to enhance productivity and code quality. • Integrate APIs and services to deliver intelligent product features where applicable. Skills and experience you will need • 5+ years of experience in software engineering. • Experience writing code in JavaScript/TypeScript, HTML5, CSS3, or related applications. • Experience with front-end technologies and frameworks, preferably React. • API design and development experience using NestJS and Node.js. • Experience with application, network, and cloud security. • Experience with building and architecting microservices. • Strong computer science fundamentals and problem-solving/analytical skills. • Familiarity with version control systems (e.g., Git). • Understanding of agile software development lifecycle and DevOps principles. • Strong verbal and written communication skills, including the ability to communicate and explain technical decisions. • Good written and spoken English proficiency is required; this role involves regular communication with US-based stakeholders via Slack, Azure DevOps, and video calls. We offer a flexible collaboration model based on a B2B contract, with the opportunity to work on diverse projects. ONLINE RECRUITMENT PROCESS STEPS • Screening call with Recruiter • Technical Interview • Client Interview • Feedback/Offer We have been informed of several recruitment scams targeting the public. We strongly advise you to verify identities before engaging in recruitment related communication. All official Capco communication will be conducted via a Capco recruiter.