Middle Full Stack Developer (Java/React) – Tieto Tech Consulting (m/f/d)

Tietoevry; United States; On-site; USD 90,000 - 130,000; Full time

Job summary

Tietoevry is seeking a Middle Java Full Stack Developer to join our telecom project with BICS, focusing on Java backend and modern frontend work using React. You will design, develop, and maintain scalable applications while mentoring teammates and driving architectural decisions.

You will collaborate with stakeholders, ensure high-quality code, and deliver end-to-end solutions. Strong Java, React, API design, and SQL skills, plus travel willingness, are essential.

Qualifications

• 2+ years of commercial software development using Java.
• Strong experience with Java 17+, Spring, Spring Boot, Hibernate, and JPA.
• Proficient in JavaScript and React.js.
• Experience in API design and development.
• Strong SQL querying for relational and NoSQL databases.
• Knowledge of design patterns, clean code, and testing.
• Experience in Agile/Scrum environments.
• Excellent English communication.
• Willingness to travel abroad for business trips.

Responsibilities

• Design, develop, and maintain scalable Java/React applications.
• Mentor a development team and improve engineering practices.
• Drive technical discussions and influence architecture.
• Collaborate with stakeholders, product owners, and cross-functional teams.
• Ensure clean, tested, maintainable code.
• Deliver end-to-end features independently.

Skills

Java

Spring

Spring Boot

Hibernate

JPA

JavaScript

React.js

API design

SQL

Testing

Agile/Scrum

English

AI tools

Tools

GitHub Copilot

Claude Code

ChatGPT

Job description

Job description

Middle Full Stack Developer (Java/React)

Tieto Tech Consulting is looking for a highly skilled and motivated Middle Java Full Stack Developer, a professional who will join a project within a Telecom Team for our respectful client BICS.

Join the team of our customer BICS — a global telecommunication enabler with a physical network stretching through the globe! Grow your expertise through interacting with A-level mobile carriers from all over the world. Get your hands on the vast network with on land, underwater, and space points of presence. Join our decade-long partnership with BICS to ensure confidence in your future and long-term growth! Tieto-BICS team has been growing since 2010… and we are looking forward to growing with you!

Develop your telecom expertise in diverse portfolio of BICS products, including Voice, Cloud, Signaling, LTE, IoT, etc.

Enjoy unmatched growth opportunities with BICS vast network and customers around the world.

Responsibilities

• Design, develop, and maintain scalable applications using Java and modern frontend technologies
• Lead by example and mentor a development team in day-to-day delivery while continuously improving engineering practices
• Drive technical discussions and contribute to architecture decisions
• Collaborate closely with stakeholders, product owners, and cross-functional teams
• Ensure clean, maintainable, and well-tested code
• Take ownership of features and deliver end-to-end solutions independently

Requirements

• 2+ years of experience in commercial software development using Java
• Strong experience with Java 17+, Spring, Spring Boot, Hibernate, and JPA
• Good knowledge of JavaScript and React.js
• Experience in API design and development
• Strong understanding of relational and NoSQL databases, with expertise in writing and optimizing complex SQL queries
• Solid understanding of design patterns, clean code principles, and testing practices
• Experience working in Agile/Scrum environments
• Strong communication skills in English
• Openness to using modern AI tools in daily development workflows (e.g. GitHub Copilot, Claude Code, ChatGPT)
• Ability to travel abroad for business trips

Nice to Have

• Experience with microservices architecture
• Cloud and cloud-native experience (AWS is a plus; Azure or Google Cloud also valuable)
• Experience with OSS/BSS integrations; knowledge of CAMARA and GSMA standards is a strong advantage
• Experience with Test-Driven Development (TDD)
• Experience in performance tuning and system optimization

Personal Skills

• Leadership mindset with a hands-on approach
• Proactive, self-driven, and solution-oriented attitude
• Strong analytical and problem-solving skills
• Team player with a collaborative mindset
• Ability to estimate work accurately and commit to delivery plans

Additional Information

At Tieto, we believe in the power of diversity, equity, and inclusion. We encourage applicants of all backgrounds, genders (m/f/d), and walks of life to join our team, as we believe that this fosters an inspiring workplace and fuels innovation. Our commitment to openness, trust, and diversity is at the heart of our mission to create digital futures that benefit businesses, societies, and humanity. Diversity, equity and inclusion | Sustainability | Tieto