full stack developer for transportation operations

HireHi; United States; Remote; USD 120,000 - 180,000; Full time

Job summary

Intellias seeks a senior software engineer with strong Android/Kotlin and Java/Spring Boot experience to own features end-to-end. You will design interfaces, develop mobile functionality, and work with backend, cloud, and data teams to ensure robust releases.

You will emphasize offline support, data synchronization, and security, while mentoring peers and shaping architectural decisions across projects. This role requires strong English and cross-functional collaboration.

Qualifications

• 6+ years of professional software development experience.
• Strong production experience across Android/Kotlin and Java/Spring Boot, with senior-level expertise in at least one area.
• Strong knowledge of Kotlin, Android SDK, and modern native Android development.
• Hands-on experience with Jetpack Compose and Kotlin coroutines.
• Experience with MVVM/MVI, Clean Architecture, and multi-module apps.
• Familiarity with Dagger/Hilt and Android Jetpack components.
• Experience with REST APIs, JSON serialization, and offline sync.
• Java and Spring Boot development experience, including microservices.
• SQL, JPA/Hibernate, and relational databases; performance tuning.
• Event-driven solutions using Kafka or similar messaging.
• Docker, Kubernetes, Azure (AKS), and CI/CD pipelines.
• Testing: unit/integration/UI testing with JUnit, Mockito, etc.
• Security: OAuth2/JWT, TLS, secrets management, OWASP.
• English: upper-intermediate or higher.
• Nice to have: GraphQL, Redis, NoSQL, Terraform, DDD, CQRS, Event Sourcing.

Responsibilities

• Take end-to-end ownership of product features from design to release and production support.
• Develop new mobile functionality and supporting backend services.
• Translate business needs into reliable technical solutions.
• Design clear interfaces and data flows between mobile, backend, databases, and messaging.
• Implement offline behavior and data synchronization mechanisms.
• Maintain high engineering standards with tests, code reviews, and static analysis.
• Investigate and resolve complex issues across application layers.
• Improve app performance, stability, security, and scalability.
• Contribute to architectural decisions and improvements to existing solutions.
• Identify and address technical debt as part of ongoing development.
• Support automated build, delivery, and deployment processes.
• Collaborate with mobile, backend, cloud, product, and cross-functional teams.
• Share knowledge and mentor other engineers where appropriate.

Skills

Android Kotlin

Java/Spring Boot

Jetpack Compose

Kotlin Coroutines/Flow

MVVM/MVI Clean Architecture

Android Jetpack components

REST API integration

JSON/Serialization

Kafka or messaging

Docker/Kubernetes

Azure/AKS

CI/CD (Git, Gradle, Maven)

Security (OAuth2/JWT)

Education

Bachelor's degree in CS or related

Tools

Kotlin

Android SDK

Jetpack Compose

Docker

Kubernetes

Azure

Gradle

Maven

Git

REST Client tooling

Job description

Описание:

Intellias brings together technologists, creators, and innovators across Europe, North and Latin America, and the Middle East. The company delivers technology solutions for clients, including digital ecosystems and mobile products in the transportation and supply chain domain.

Задачи:

• Take end-to-end ownership of product features from technical design and implementation to release, monitoring, and production support;
• Develop new mobile functionality and supporting backend services;
• Translate business and product needs into reliable and maintainable technical solutions;
• Design clear interfaces and data flows between mobile, backend, database, and messaging components;
• Implement reliable offline behavior and data synchronization mechanisms;
• Maintain high engineering standards through automated testing, code reviews, and static analysis;
• Investigate and resolve complex issues across multiple application layers;
• Improve application performance, stability, security, and scalability;
• Contribute to architectural decisions and propose improvements to existing solutions;
• Identify and address technical debt as part of ongoing development;
• Support automated build, delivery, and deployment processes;
• Collaborate closely with mobile, backend, cloud, product, and other cross-functional specialists;
• Share technical knowledge and mentor other engineers where appropriate.

Требования:

• 6+ Years of professional software development experience;
• Strong production experience across both Android/Kotlin and Java/Spring Boot, with senior-level expertise in at least one of these areas;
• Strong knowledge of Kotlin, Android SDK, and modern native Android development;
• Hands-on commercial experience with Jetpack Compose;
• Practical experience with Kotlin Coroutines, Flow, StateFlow, and SharedFlow;
• Strong understanding of MVVM or MVI, Clean Architecture, and multi-module Android applications;
• Experience with Hilt or Dagger and Android Jetpack components, including ViewModel, Navigation, Room, WorkManager, and DataStore;
• Experience with offline synchronization, REST API integration, and JSON serialization;
• Strong Java and Spring Boot development experience, including microservices and REST API design;
• Solid knowledge of JPA, Hibernate, SQL, relational databases, transaction management, and query optimization;
• Experience with asynchronous and event-driven solutions using Apache Kafka or similar messaging technologies;
• Good understanding of distributed systems, service-to-service communication, caching, error handling, and resilience patterns;
• Hands-on experience with Docker, Kubernetes, Microsoft Azure, and preferably Azure Kubernetes Service;
• Experience with Gradle, Maven, Git, and automated CI/CD pipelines;
• Strong testing experience covering unit, integration, API, and mobile UI testing using relevant frameworks such as JUnit, Mockito, Testcontainers, and Jetpack Compose UI testing;
• Good understanding of application security, including OAuth2/OIDC, JWT, HTTPS/TLS, secure API design, secrets management, and OWASP principles;
• Experience with application performance analysis, production troubleshooting, crash investigation, and monitoring;
• Ability to make independent technical decisions, review code, and contribute to architecture discussions;
• Upper-Intermediate or higher English communication skills;
• Nice to have: Kotlin Multiplatform or .NET MAUI, GraphQL, Kafka Streams, Redis, NoSQL, Azure Service Bus, Helm, Terraform, other Infrastructure as Code tools, Domain-Driven Design, CQRS, Event Sourcing, BLE or other hardware integration experience, Firebase, Crashlytics, Sentry, Azure Monitor, Application Insights, Prometheus, Grafana, experience modernizing legacy Java applications, experience with large-scale enterprise systems, German communication skills.

Условия:

• Remote work is available in Bulgaria, Croatia, Poland, Portugal, and Spain;
• No conditions specified.