Senior Software Engineer
TLDR
Design innovative, high-throughput services and LLM-powered features while mentoring a collaborative, product-focused team and leveraging AI-driven tools.
• Ship high-throughput services in Node.js / TypeScript, Kotlin or Java using Spring Boot or Micronaut.
• Leverage AI tooling (e.g. GitHub Copilot, Cursor, Claude code) to accelerate development and share best practices with the team.
• Own the SDLC use IaC (Terraform) to blue-green deployments and manage preview environments
• Continuously profile and tune latency, cost and performance
• Design LLM-powered features and agents using LangChain or MCP-compliant frameworks, integrating retrieval, memory and tool-use patterns.
• Uphold clean-code & domain-driven design, mentoring peers through thoughtful PR reviews.
• Recognise and propose solutions for scaling weaknesses, performance bottlenecks and security risks.
● 6+ years building production software.
● Deep expertise in at least one of TypeScript, Kotlin or Java.
● Proven experience running containerised or serverless workloads in AWS, GCP or Kubernetes.
● Fluency with relational and NoSQL databases (MySQL, MongoDB, DynamoDB, Redis).
● Familiarity with working in a UNIX-based environment
● You communicate clearly in English and thrive on feedback loops.
● You care about outcomes, not just tickets.
Nice-to-have superpowers
● Experience with GitOps
● Full-stack chops with React / Next.js.
● Hands-on with AI coding assistants (Copilot, Cursor, Claude Code) or autonomous agent frameworks / tools (LangChain, CrewAI, Autogen, n8n).
● MLOps or data-engineering experience (Kubeflow, SageMaker, Feast).
● Passion for mentoring and tech-community talks.
● Remote-first culture with flexible schedules and core hours.
● Learning budget and career plan
● An international and diverse environment where you matter
● An amazing, agile, cross-functional team to work with
● Goal oriented work
● Flexible work hour
Benefits
Flexible Work Hours
Remote-first culture with flexible schedules and core hours.
Learning Budget
Learning budget and career plan
Septeo is a leading software company in Europe, specializing in sector-specific solutions powered by innovative technology, including artificial intelligence. With a strong presence in the industry and a commitment to continuous transformation, Septeo is recognized among the top 5 software publishers in France.