Septeo Logo

Septeo

Senior Software Engineer

Posted Yesterday
Be an Early Applicant
In-Office or Remote
Hiring Remotely in Barcelona, Cataluña
Senior level
In-Office or Remote
Hiring Remotely in Barcelona, Cataluña
Senior level
The Senior Software Engineer will develop high-throughput services, leverage AI tools, manage the software development lifecycle, and ensure optimal performance and security of applications.
The summary above was generated by AI
Company Description

We’re on a mission to make hotel operations effortless. Our cloud-native platform already powers thousands of

properties worldwide, and we’re doubling down on AI-driven automation to remove the busy-work from hospitality.

We’re a lean, product-obsessed team that values curiosity, data-driven decisions and shipping to production daily.

If you love turning complex problems into elegant, resilient systems, we’d love to meet you.

Job Description

• 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.

Qualifications

● 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.

Additional Information

● 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

Similar Jobs

Yesterday
Remote
United Kingdom
Senior level
Senior level
eCommerce • Logistics • Transportation
Lead the development of software solutions for a logistics platform, overseeing technical strategy, mentoring teams, and ensuring high-quality software delivery.
Top Skills: AWSAzureJavaScriptReactTypescript
3 Days Ago
In-Office or Remote
Senior level
Senior level
Software
Lead the design and development of native Windows desktop applications, ensure best practices, drive accessibility, and manage the full feature lifecycle.
Top Skills: C#C++Windows App SdkWinuiXaml
3 Days Ago
In-Office or Remote
Senior level
Senior level
Artificial Intelligence • Mobile • Software
Design, develop, and test mobile web SDKs. Collaborate with engineers and manage automated testing. Familiarity with front-end frameworks and Agile practices is essential.
Top Skills: BashC++CypressGroovyJavaScriptJestNpmPythonReactReduxTypescriptYarn

What you need to know about the Belfast Tech Scene

If asked to name the birthplace of the RMS Titanic, you might not say Belfast. Similarly, if asked to name Europe's leading destination for foreign direct investment in new software development, Belfast might not come to mind. Yet, both are true. The city has emerged as a tech powerhouse, recently ranked among the best in the U.K. for tech careers — especially for software developers. It also leads the U.K. with the highest percentage of software development jobs advertised.

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account