We are looking for
Backend Engineer with Python or Node.js
About AltexSoft
We are a Ukrainian-born Travel and Hospitality Technology Consulting company, partnering with online travel agencies, travel management solution providers, and startups worldwide. With expertise across Travel Tech, Data Science, UI/UX, Business Analysis, and Software Engineering, we’ve successfully delivered over 300 projects.
We are now seeking a Backend Engineer to join one of our client projects focused on building scalable, intelligent systems that redefine customer engagement. You’ll play a key role in designing cloud-native services, integrating AI-driven APIs, and ensuring that the platform is reliable, high-performing, and ready for large-scale usage.
About Project
The team is developing a next-generation platform for customer engagement powered by generative AI. The solution enables travel and lifestyle companies to deploy intelligent, always-available digital agents that provide personalized support and seamless brand interactions at scale. By combining advanced GenAI models with a proprietary learning engine and deep integration into business systems, the platform helps brands create efficient, consistent, and meaningful conversations with their customers.
You Have
- At least 4 years of professional experience in backend development with Python (FastAPI) or Node.js
- Strong knowledge of PostgreSQL: schema design, indexing, query optimization, and advanced SQL logic
- Hands-on experience designing and deploying applications on AWS (ECS, Lambda, API Gateway, S3)
- Proven ability to integrate AI/ML APIs (OpenAI, AWS Bedrock, Gemini) into real-world solutions
- Solid understanding of distributed systems, asynchronous processing, and designing for scalability, availability, and resilience
- Experience working with event-driven architectures and message-driven workflows
- Familiarity with system design trade-offs: database models, caching, consistency, modular API boundaries
- Knowledge of observability tools (CloudWatch, Datadog, Sentry) and best practices for building operational visibility into systems
- Strong foundation in engineering practices: unit/integration testing, CI/CD pipelines, Git workflows
- Comfortable working in agile, iterative development environments with regular reviews and team discussions
- Excellent communication skills and the ability to clearly document and explain technical decisions
- Experience using AI coding assistants (e.g., Cursor, GitHub Copilot, or similar) in day-to-day development tasks
Would be a plus
- Familiarity with travel APIs or booking platforms • Experience with prompt engineering or GenAI workflows (e.g., RAG pipelines)
- Background in AI-powered product development, such as LLMs or recommendation systems in production
- Knowledge of AI observability practices for monitoring model performance, latency, and drift
- Experience building AI-powered solutions or integrating AI pipelines/APIs into software projects
You Are Going To
- Participate in the full software development lifecycle, from planning and architecture to development, deployment, and monitoring
- Design and implement backend services and microservices with Python (FastAPI) or Node.js
- Build efficient queries and scalable data models in PostgreSQL, ensuring high performance under load
- Develop and operate cloud-native infrastructure on AWS, leveraging services like ECS, Lambda, API Gateway, and S3
- Integrate AI/ML APIs (OpenAI, AWS Bedrock, Gemini) to enable conversational features and automation
- Collaborate with product managers and engineering teams to deliver impactful solutions
- Contribute to architecture design sessions, code reviews, and continuous process improvements
- Ensure systems are reliable, observable, and optimized for long-term maintainability
We offer
Work-life Balance
- Possibility to work remotely
Health Care
- Reimbursement of medical expenses
- Online morning exercise
Education
- Compensation for trainings, seminars, conferences
- Free access to the Pluralsight and ACloudGuru knowledge base
- Access to the AltexSoft library with top-notch materials
- A mentor for a probation period
- Engagement in our Mentorship Hub program as a mentor or a mentee to foster professional growth and development
Development
- Horizontally — master new technologies at internal courses
- Vertically — choose your own career path through Competency trees
Recognition Program
- All your activities are marked by points that can be exchanged for gifts to fit any taste.
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To many people, the world is chaos. To us, it's something a few effective formulas can organize and even change.
Come along if you share our vision
- We were founded in 2007. Employer of the Year (2014, 2017, 2019).
- The AI Ukraine conference and the Know Your Onions meetups organizer.
- R&D centers in Ukraine (Kharkiv, Kremenchuk, Lviv) and Georgia (Tbilisi). We employ more than 300 people.