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Backend Software Engineer (Golang, AWS, Message Driven Systems)
Nexttech International SRLCluj-Napoca, Cluj, Romania6 days ago
Job description4+ years of professional programming experience, with a strong focus on backend development. Proficiency in Golang. Solid understanding of event-driven and message-driven systems, including hands-on experience with messaging queues and topics. 1–2 years of hands-on experience with AWS foundational services (serverless, storage, compute, messaging, analytics). Experience with serverless architecture using AWS Lambda, SNS, SQS, etc. Proficient in managing cloud infrastructure using Terraform. Experience in designing and integrating RESTful APIs and asynchronous interfaces. Good understanding of DevOps principles and automated CI / CD pipelines (preferably GitLab CI). Strong analytical mindset, initiative, and problem-solving ability. Excellent communication skills and experience working in multinational, agile development teams. Bachelor’s degree or higher in Computer Science or a related field. Fluent in English. Exposure to Domain-Driven Design at scale. Experience with monitoring and observability tools in AWS environments. Familiarity with distributed systems, microservices architecture, or cloud-native design patterns. Previous experience in the energy, infrastructure, or industrial sectors is a plus. The opportunity to contribute to impactful, cloud-based digital services shaping the future of energy transmission. Autonomy within a collaborative, international engineering culture. Career growth in a technically challenging and evolving domain. Competitive compensation and a chance to work with cutting-edge cloud and backend technologies.
About Nexttech
Founded in 2015 , Nexttech has built a solid foundation in delivering comprehensive IT solutions tailored to meet diverse client needs. With expertise spanning five key industry sectors— Banking, Energy, Telecom, Automotive and E-commerce & Logistics —we provide nearshore and onshore services designed to drive efficiency and support strategic growth.
Our team supports every phase of the Software Development Life Cycle (SDLC) , from developing detailed roadmaps and resolving complex software challenges to ensuring quick time-to-market and optimized ROI.
About the Role
We’re looking for a Backend Software Engineer with strong experience in Golang and AWS cloud services, and message-driven systems to help build and scale cloud-native applications for the Energy Transmission Solutions domain.
In this role, you’ll be responsible for designing, developing, and maintaining backend services and APIs in a distributed environment. You’ll work with serverless technologies, event-driven architectures, and modern DevOps practices to deliver resilient and efficient software solutions.
This is a hands-on engineering role where deep technical skills, a product mindset, and collaboration in cross-functional teams are key.
Key Responsibilities
- Design, implement, and maintain backend services using Golang for cloud-based, message-driven applications
- Architect scalable, resilient, and cloud-native systems using AWS (Lambda, SNS, SQS, etc.).
- Collaborate closely with DevOps and frontend engineers in a cross-functional agile team.
- Use Domain-Driven Design (DDD) principles to produce clean, maintainable, and well-documented code.
- Manage infrastructure as code using Terraform.
- Build and operate monitoring and reporting systems to ensure observability and performance.
- Continuously improve development productivity by evaluating and integrating new tools.
- Contribute to API design and system integration using synchronous and asynchronous communication patterns.
- Advocate for engineering best practices and participate in code reviews and knowledge sharing.
Must-Have Skills & Experience
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What We Offer
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Software Engineer • Cluj-Napoca, Cluj, Romania
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