Developer (Pl)

Description

Job Summary: We are seeking a Mid-Level Developer to join our Dev-Digital Security team, responsible for the full software development lifecycle, technical requirement refinement, and support across diverse teams. Key Highlights: 1. Opportunity for growth in a challenging environment with continuous development. 2. A culture that values diversity and fosters a welcoming workplace. 3. Working for a company leading the digital transformation of payment methods. **Published at June 2025** Campinas/SP Work model Remote Contract model CLT Person with disability We are looking for a Mid-Level Developer to join our **Dev\-Digital Security** team to: Develop new features and fix bugs, following software development best practices* . Participate in the full software project development lifecycle* . Actively assist in refining technical requirements* . Participate in agile development ceremonies* . Perform development testing and support the QA team in validating deliverables* . Support Operations, Projects, and Product teams with technical needs* . Support customers with questions related to integration with our products* . **We believe it is important that you have prior experience and possess the following knowledge:** Experience with Java 11\+, Spring Boot, Microservices Architecture, CI/C* D REST APIs* ; Experience with software development planning and estimation* ; Proficiency in ensuring delivery quality and overall solution functionality* ; Knowledge of code versioning processes and CI/CD practices (Git)* ; Understanding of software development/engineering processes, from conception to delivery* ; Knowledge of key Design Patterns* s Knowledge of development best practices: SOLID, K.I.S.S., Clean Code* ; Knowledge of databases (SQL, NoSQL)* ; Knowledge of Docker and containers* . **It would be a strong advantage if you have:** Knowledge of network infrastructure — firewalls, TCP/IP, WAF* ; Knowledge of web servers (Apache, NGinx)* ; Knowledge of symmetric cryptographic processes (3DES, AES)* ; Knowledge of asymmetric cryptographic processes (RSA, EC), private keys, and certificates* ; Knowledge of API performance analysis and optimization* ; Knowledge of event-driven architecture and messaging services* ; Java EE and Web* ; Proficiency in English or Spanish* ; Knowledge of payment-related products or concepts* . **What do we offer?** HST is a GPTW-certified company! We offer the **opportunity to grow in a challenging environment**, where each individual’s growth is directly proportional to **their own willingness to grow**! CLT employment contracts* ; Flexible working hours* ; Opportunities for growth through continuous development — both technical and personal* ; Leadership development programs for emerging leaders* ; 10% of monthly working hours can be dedicated to learning something new* ; Birthday Day\-Off* ; Home Office Allowance* ; Extended Maternity and Paternity Leave* ; Profit and Results Sharing Program* ; WellHub (formerly Gympass)* ; Health Insurance* ; Dental Insurance* ; Meal/Voucher Allowance* ; Transportation Voucher or Parking Allowance* ; Childcare Assistance* ; Life Insurance* . We value a positive work environment that supports individuals’ growth and makes them feel welcomed, free, authentic, and comfortable showcasing their skills! **We champion diversity and do not tolerate any form of discrimination!** \#HSTcardtechnology \#orgulhodepertencer \#vempraHST ### **About Us** We solve the most complex challenges, and since our founding, our mission has been to make electronic transactions more secure. Our solutions are present in\+20 countries, and among our clients are the 8 largest banks in Brazil and the 20 largest in Latin America! Behind all our achievements is our Team — over 200 people involved in developing our solutions. Curious, questioning, creative, proactive, collaborative, and open to new experiences. We value a work environment that promotes personal and professional growth, where everyone feels welcomed, authentic, and comfortable exploring their abilities! We believe diversity drives innovation in our solutions. That’s why HST has the Diversifica Collective — a forum for discussing diversity topics and strategies, aiming to make our organization more plural and inclusive! We lead the digital transformation of payment methods — we are HST!