Junior Full-Stack Developer
Košice, Slovakia
Job Description:
At AT&T we’re redefining the future of communication by connecting people to greater possibility - with expertise, simplicity, and inspiration. At the heart of our purpose lies a diverse workforce of 200,000 people and a culture that aspires to serve customers first, act boldly, move faster, and win as one.
Our Product Development group, part of AT&T’s Technology Services (ATS) organization, is responsible for building software-based products, services, and platforms that our customers love and need. Harnessing technology and rebuilding software expertise, the team is inspiring simplicity with projects that deliver revenue and cost savings opportunities.
Job Overview
As a Junior Full-Stack Developer, you will be an integral part of a collaborative engineering team working to build, test, and deliver high-quality software solutions that transform our industry-standard order, delivery, and assurance management systems.
In this role, you will work closely with Product Management, Business Systems, and Operations teams to enhance AT&T’s software platforms by contributing to new features, improvements, and defect resolution throughout the development lifecycle.
You will have the opportunity to learn and grow your technical expertise, develop your problem-solving skills, and gain exposure to modern development tools and practices in a supportive, agile environment.
Core Responsibilities
Contribute to the development and maintenance of applications, building foundational skills in one of: Java (Spring Boot), Python (FastAPI), or Node.js (Nest), while gaining exposure to the other two.
Participate in delivering software solutions across the full software development lifecycle (SDLC) under the guidance of senior engineers.
Apply good practices in coding, testing, and collaboration.
Learn to use AI-driven tools (e.g., GitHub Copilot, LLMs, RAGs) and modern development technologies.
Gain experience working with data persistence (SQL and NoSQL databases such as CosmosDB, MongoDB, PostgreSQL, Snowflake, Databricks).
Support implementation of APIs (REST, OpenAPI/Swagger) and event-driven architectures (Kafka, messaging services).
Become familiar with automated testing (Playwright, Cypress), code review, static analysis (Lint, Prettier, Veracode, SonarQube), and CI/CD pipelines (GitHub Actions, Terraform).
Learn about cloud-native development with Azure, Docker, and Kubernetes.
Participate in agile processes (Agile/Scrum, SAFe, Kanban) and team ceremonies.
Collaborate with team members and stakeholders to understand business requirements and deliver assigned tasks.
Skills, Knowledge, and Experience
Day-to-Day
Hands-on coding and troubleshooting.
Participating in code reviews, technical discussions, and team meetings.
Learning and applying new technologies and best practices.
Asking questions, seeking feedback, and continuously improving.
Technical Skills
Foundational knowledge in one of: Java (Spring Boot), Python (FastAPI), or Node.js (Nest), with a willingness to learn the others.
Exposure to SQL and NoSQL databases (CosmosDB, MongoDB, PostgreSQL, Snowflake, Databricks).
Understanding of API basics: REST, Swagger, OpenAPI.
Familiarity or coursework experience with automated testing (Playwright, Cypress).
Awareness of code quality and security tools: Lint, Prettier, Veracode, SonarQube.
Basic understanding or coursework in CI/CD and cloud-native platforms (Azure, Docker, Kubernetes).
Understanding of SDLC and agile methodologies (Agile/Scrum, SAFe, Kanban).
Interest in learning about enterprise platforms: ServiceNow, Salesforce, TM Forum.
Additional Desirable Experience
Internship or project experience using modern development tools and practices.
Coursework or self-study in AI-driven developer tools, system modernization, or cloud migration.
Experience working in a team setting, either academically or professionally.
Education
Bachelor level degree or equivalent in Computer Science, or related field of study.
Benefits
A career with us, a global leader in communications and technology, comes with big rewards. We offer a competitive salary plus an annual company performance bonus. Once you are a part of the team, you will gain some amazing perks and benefits including car allowance, wellness & leisure time contribution, sickness compensation plan, premium medical services, family friendly benefits as well as meal contribution and an extra week of vacation (…and much more).
Salary
Slovakia: The basic salary from 2275 EUR/a month gross. The actual salary is based on your skills and experience
Czech Republic: The basic salary from 63 000 CZK/a month gross. The actual salary is based on your skills and experience.
Location and Work Environment
These roles are based in Bratislava, Slovakia; Kosice, Slovakia; and Brno, Czechia. They are hybrid-flex positions requiring presence in the office 1-3 times per week, with occasional travel between these locations.
Ready to find out more? Apply today!
Weekly Hours:
40Time Type:
RegularLocation:
Bratislava, Bratislavsky kraj, Slovak RepublicIt is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, AT&T will provide reasonable accommodations for qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made.
Job ID R-69127-2 Date posted 05/30/2025
Benefits
Your needs? Met. Your wants? Considered. Take a look at our comprehensive benefits.
- Paid Time Off
- Tuition Assistance
- Insurance Options
- Discounts
- Training & Development
Our hiring process
Apply Now
Confirm your qualifications align with the job requirements and submit your application.
Assessments
You may be required to complete one or more assessments, depending on the role.
Interview
Get ready to put your best foot forward! More than one interview may be necessary.
Conditional Job Offer
We’ll reach out to discuss a conditional job offer and the next steps to joining the team.
Background Check
Timing is important – complete the necessary actions to proceed with onboarding.
Welcome to the Team!
Congratulations! It’s time to experience #LifeAtATT.
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