Senior Backend Software Engineer

OLX

full-time

Posted on: 10/13/2025

Location Type: Remote

Location: Remote • 🇵🇹 Portugal

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Senior

AWSCloudDynamoDBGoJavaKotlinMySQLPHPRedisTerraform

About the role

Leading the planning, execution, monitoring, and completion of projects, ensuring timely delivery and adherence to quality standards.
Contributing to complex technical projects, ensuring robust, secure, and scalable software solutions.
Mentoring and guiding junior engineers, fostering a collaborative and productive work environment. This includes delegating tasks, providing feedback, and facilitating team communication.
Driving innovation by encouraging new ideas, shaping software development, and collaborating closely with product management to create user-centric solutions.
Developing and deploying cloud-native solutions using GitLab CI/CD to AWS, contributing to broader engineering strategy and cross-team collaboration.
Creating impact outside of your team by helping drive the Engineering strategy and contributing to cross-team collaboration through inter-team working groups or community guilds, among others.

A product-minded engineer who thinks from a user perspective, understanding both the how and why behind technical solutions
Someone with deep knowledge of programming languages, frameworks, and best practices, with strong mastery of data structures, algorithms, and software architecture to build and scale cloud-based systems.
A backend engineer with strong background experience in Golang, Java/Kotlin, or PHP (preferred technologies). Flexible and capable of adjusting to changing project requirements, roles, and backend technologies as needed.
A problem solver who can break down complex challenges into manageable solutions using both analytical thinking and creativity.
An effective communicator who can explain technical concepts to both technical and non-technical stakeholders while documenting technical specifications and processes clearly.
A developer who believes in "you build it, you run it, you own it," ensuring high-quality code, debugging, optimization, and automation as key priorities.
Someone with solid experience with relational and non-relational databases (MySQL, DynamoDB, Redis, Memcached) and a strong understanding of AWS cloud architecture and Infrastructure as Code tools (Terraform, CloudFormation).
A professional with experience in large-scale web applications, an economic--thinking mindset and being able to design well-bounded domain systems.

Benefits

Tip: use these terms in your resume and cover letter to boost ATS matches.

GolangJavaKotlinPHPdata structuresalgorithmssoftware architecturecloud-native solutionsdebuggingautomation

mentoringcollaborationproblem solvinganalytical thinkingcreativityeffective communicationuser-centric thinkingflexibilityteam communicationfeedback