Junior/Mid-level Back-end Developer

Job not on LinkedIn

🕒 August 10

🇧🇷 Brazil – Remote

⏰ Full Time

🟢 Junior

🔙 Backend Engineer

🚫👨‍🎓 No degree required

👻 Ghost score 18%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

Apply Now

Find Similar Remote Jobs

Set Up Email Alert For New Jobs

📊 Check your resume score for this job

Improve your chances of getting an interview by checking your resume score before you apply.

Upload Resume

Hyperativa

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 1999

💼 Consulting

📣 Marketing

📦 Logistics

Consulting • Marketing • Logistics

Hyperativa is a technology company specialized in loyalty marketing solutions that serves B2B2C clients such as financial institutions, retailers and manufacturers. For over 20 years it has provided a customizable, secure SaaS platform to design and operate promotions, cashback campaigns, loyalty programs, CRM analytics and database management, with integrations (APIs, WhatsApp), anti-fraud controls and compliance with PCI DSS and LGPD. Its offerings include coupon/QR and receipt reading, prize distribution, games, chatbots, reporting and real-time campaign management.

📋 Description

• Develop, evolve, and maintain back-end APIs and services using .NET Core 8+ • Perform occasional maintenance on legacy components in .NET Framework 4.8 and ASP.NET • Implement business rules following domain-driven design (DDD) principles and architectural best practices • Build integrations between internal and external systems, ensuring performance, security, and reliability • Work with SQL Server, using stored procedures and data access best practices (Dapper) • Support the team in incident investigation and resolution, maintaining expected quality levels • Follow security standards applied to the credit card industry (PCI) • Work on development teams serving multiple clients in the financial sector • Develop high-availability APIs and services for digital promotions, raffles, incentive campaigns, and cashback

🎯 Requirements

• Experience with C# and modern versions of .NET Core • Experience developing REST APIs • Knowledge of domain-driven design (DDD) principles • Experience with Dapper and SQL Server, including stored procedures • Version control with Git and Azure DevOps • Security knowledge: JWT, OAuth2, secure coding, and OWASP fundamentals • Advanced English • Nice to have: experience with RabbitMQ and Cloud Tasks (GCP) • Nice to have: experience with Redis • Nice to have: knowledge of Docker and Kubernetes • Nice to have: familiarity with cloud environments (GCP/AWS) • Nice to have: understanding of mTLS and MLE (Message Level Encryption) concepts • Nice to have: performance optimization for SQL queries • Nice to have: intermediate front-end development knowledge (SPA)

🏖️ Benefits

• Permanent remote work • Group life insurance • Half-day off on your birthday • Pleasant work environment, continuous learning, and daily challenges • Active participation in decision-making • Transparency in company direction • Necessary equipment provided for work • Flexibility to attend daily team meetings