Integrando soluções & Impulsionando negócios
Senior Fullstack .NET Developer – AI Focus
Location
Brazil
Posted
43 days ago
Salary
0
Seniority
Senior
Job Description
Senior Fullstack .NET Developer – AI Focus
LWSA
• Lead the design and development of new solutions using Generative Artificial Intelligence (LLMs) to enhance the shopping experience and management workflows for our customers; • Integrate and orchestrate AI APIs (such as OpenAI, Anthropic, Gemini, etc.) within our microservices-based architecture; • Apply advanced AI techniques such as prompt engineering, RAG (Retrieval-Augmented Generation) and fine-tuning, ensuring responses are accurate and high-performing; • Actively research and propose innovative solutions that use AI to solve real pain points for merchants and end consumers; • Ensure scalability, security and cost optimization of integrations with language models; • Perform code reviews, refactorings and promote AI development culture and best practices across the team; • Develop unit and integration tests focused on the reliability of AI responses.
Job Requirements
- Solid experience in software engineering and designing scalable system architectures;
- Proven hands-on experience developing solutions using LLMs and their APIs;
- Deep knowledge of the web development stack: data structures, object-oriented programming, design patterns and HTTP communication;
- Familiarity with AI orchestration frameworks (e.g., Semantic Kernel, LangChain, LlamaIndex);
- Practical experience using and modeling vector databases;
- Advanced technical English (essential for reading up-to-date AI documentation);
- Appreciate the value of high-level development while also knowing when to work closer to the machine to optimize bottlenecks;
- A perpetual learner mindset, since the AI ecosystem evolves almost daily.
Benefits
- Health insurance;
- Dental insurance;
- Transportation allowance (Vale-Transporte);
- Free shuttle service from the João Dias terminal to Locaweb;
- Meal/Food allowance;
- Childcare assistance;
- Life insurance;
- WellHub;
- Vacation benefits and related perks (Férias & Co);
- Coffee machines available at all times;
- On-site massage and workplace exercise classes;
- Extended maternity and paternity leave;
- Relaxation room with TV, pool table, card games, table tennis, video games and bean bags;
- Day off;
- Annual PPR (profit-sharing program);
- Health and wellness program;
- Partnerships with educational and leisure institutions;
- Complimentary access to our products.
Related Guides
Related Job Pages
More Backend Engineer Jobs
• Develop and maintain distributed, high-availability applications using Python • Build and evolve APIs with FastAPI, Flask and Uvicorn • Integrate solutions with machine learning models using TensorFlow, PyTorch and OpenCV • Work on integration with relational and vector databases (PostgreSQL) • Operate in Cloud Native environments using containers and Docker • Manage code versioning using Git Flow, handling branches for development, QA and production • Support deployment processes and code promotion in Azure pipelines (CI/CD) • Create and manage branches for change management (GMUD) and production releases • Expose and manage backend routes via API Management (APIM)
• Liderar tecnicamente a squad, definindo arquitetura, padrões de codificação e boas práticas de DevSecOps. • Planejar e priorizar demandas junto a Product Owner, garantindo alinhamento com metas de negócio. • Projetar, desenvolver, revisar e implantar soluções PHP (Laravel) de alta performance, seguindo princípios SOLID e Clean Code. • Orientar e mentorar desenvolvedores e testers, conduzindo code reviews, pair programming e iniciativas de melhoria contínua. • Definir métricas de qualidade (cobertura de testes, tempo de build, incidentes) e atuar na redução de débitos técnicos. • Garantir a observabilidade (logs estruturados, tracing, métricas) e a segurança (OAuth2, OWASP, LGPD) das aplicações. • Coordenar deploys em ambiente AWS (ECS/Fargate ou EKS, RDS, S3, SQS, Lambda), automatizando pipelines CI/CD (GitHub Actions ou Jenkins). • Colaborar com times de infraestrutura, produto e segurança para otimizar custos, escalabilidade e resiliência. • Comunicar riscos, prazos e status de forma transparente, negociando escopo quando necessário.
Full-stack Lead/Senior Developer (C# + Angular)
JalasoftWe provide the best software engineering solutions by investing in our people first.
Jalasoft is seeking a talented Full-Stack Lead/Senior Developer with expertise in C# and Angular to lead and contribute to the development of high-impact software solutions. In this leadership role, you will be responsible for overseeing project architecture, collaborating with cross-functional teams, and mentoring developers while actively participating in both backend and frontend development. Your technical and leadership skills will be essential in driving project success and delivering scalable, maintainable applications.
Full-stack Lead/Senior Developer (C# + Angular)
JalasoftWe provide the best software engineering solutions by investing in our people first.
Jalasoft is seeking a talented Full-Stack Lead/Senior Developer with expertise in C# and Angular to lead and contribute to the development of high-impact software solutions. In this leadership role, you will be responsible for overseeing project architecture, collaborating with cross-functional teams, and mentoring developers while actively participating in both backend and frontend development. Your technical and leadership skills will be essential in driving project success and delivering scalable, maintainable applications.
