Remote Lead Software Engineer

Summary

The job description is for a Lead Software Engineer position at Wellhub's GenAI team in Portugal. The role involves working on generative AI, Retrieval-Augmented Generation (RAG), API development and integration, collaboration and communication, and leadership. The ideal candidate should have a degree in Computer Science or related field, strong programming skills, experience with SQL/NoSQL technologies, API development and integration, excellent problem-solving skills, and proven experience with projects where the scope is not clearly defined.

Requirements

• Bachelor’s or Master’s degree in Computer Science, Mathematics, Statistics, Engineering, or a related field
• Strong skills in programming languages such as Python, Go, Java, C or C++
• Experienced in working with SQL/NoSQL technologies (e.g., OpenSearch, DynamoDB, PostgreSQL) understanding common use cases and performance pitfalls
• Experience with API development and integration
• Excellent problem-solving skills and attention to detail
• Strong communication (both in English and Portuguese), teamwork and leadership skills
• Able to work efficiently on high scalable and distributed projects
• Proven experience with projects where the scope is not clearly defined

Responsibilities

• Design, develop, and implement generative AI based applications
• Work with large language models (LLMs) to create innovative applications and solutions
• Conduct research to stay updated with the latest advancements in generative AI
• Develop and optimize RAG systems to enhance the performance and accuracy of AI models
• Implement robust data retrieval mechanisms to support RAG frameworks
• Collaborate with data engineers to ensure seamless integration of data pipelines
• Design and develop APIs to interface with various AI models and services
• Ensure APIs are secure, scalable, and performant
• Ensure seamless integration of our AI applications with other software systems, enhancing interoperability and functionality (e.g., WhatsApp, Slack, Teams, Google Chat, and other 3rd party mobile applications)
• Work closely with cross-functional teams including product managers, designers, and other engineers
• Participate in code reviews and provide constructive feedback to peers
• Communicate technical concepts and project progress effectively to non-technical stakeholders
• Drive critical projects from the architectural design to implementation
• Plan and successfully deliver cross team projects
• Provide estimates on efforts and risks, evaluating technical feasibility on cross-functional high-impact projects

Preferred Qualifications

• PhD degree in Computer Science, Mathematics, Statistics, Engineering, or a related field
• Proven experience with one or more topics listed in the Responsibilities section
• Familiarity with large language models, generative AI frameworks (e.g., Haystack, Langchain, LlamaIndex, HuggingFace, Ollama, AWS Bedrock)
• Knowledge of retrieval-augmented generation (RAG) and related technologies
• Experience with cloud platforms (e.g., AWS, GCP, Azure)
• Knowledge of data engineering and ETL processes (e.g., Spark, Flink)
• Experience with machine learning frameworks and libraries (e.g., TensorFlow, PyTorch)
• Understanding of natural language processing (NLP) and computer vision
• Experience with Kubernetes for container orchestration

Benefits

• Home office stipend and a monthly flexible work allowance to cover the costs of working from home
• Flexible schedule based on personal schedule, time zone, and business needs
• Minimum of 25 days paid holiday per year with an additional day for each year of tenure (up to 5) in addition to annual holidays (including an extra holiday on your birthday!)
• 100% paid parental leave to all new parents and extended maternity leave
• Outstanding opportunities for personal and career growth
• An exciting and supportive environment filled with passionate individuals from all over the world!