[All remote jobs](https://jobicy.com/jobs.md)[![Masabi logo](https://jobicy.com/data/server-nyc0409/galaxy/mercury/2025/06/f2355465-221.png)](https://jobicy.com/company/masabi.md)[Masabi](https://jobicy.com/company/masabi.md) # Software Engineer (Remote – Contractor) Review the role, location requirements, compensation details, and application process before deciding whether this opportunity fits your next career move. [Apply for this job](#job-application)[View company](https://jobicy.com/company/masabi.md)ShareRemote from[Romania](https://jobicy.com/job-region/romania.md)SalaryUndisclosedDepartment[Software Engineering](https://jobicy.com/categories/engineering.md)EmploymentContractExperienceOpen levelPublished30 Oct 2026Apply before29 Nov 2026Listing views37Application actions0Application toolkit ## Make your next move. Prepare your resume, explore your fit, and draft a cover letter for this opportunity. AI Summary ## The role, at a glance. Masabi is seeking a Romania-based contract Backend Software Engineer to build and evolve services for its global public-transit payment platform. The role focuses on Java or Kotlin backend development, REST APIs, distributed and event-driven architectures, third-party integrations, and cloud-native operations. The engineer will work in a cross-functional international team and take features from design through production while improving reliability, performance, and observability. Key technologies include AWS, Kafka, Terraform, Grafana, Gradle, Maven, and Git. Strong English communication, ownership, code quality, and collaborative problem-solving are central to the position. ## Role DNA A quick view of the complexity, pace, ownership and collaboration implied by the job description. ### Job Complexity 4/5EasyHard ### Pace & Pressure 4/5RelaxedFast-paced ### Autonomy Level 4/5GuidedFull ownership ### Communication Load 4/5IndependentCollaborative AI insightThis is a technically demanding backend role because it involves production distributed systems, event-driven services, cloud infrastructure, and integrations used at global scale. Contractors are also expected to take ownership and contribute effectively across engineering, testing, and product functions. ## Salary analysis Estimated compensation compared with the broader US market for similar roles. Estimated job median (per year)Market rate$50,000US market range (per year)$38k–$65k0$71.50k AI insightThe yearly pay period is inferred from the job context; it was not explicitly stated by the employer. No employer compensation was disclosed. The figures are estimated annual USD compensation for a Romania-based backend software engineering contractor with Java/Kotlin, AWS, Kafka, and distributed-systems experience; the yearly period is inferred from the professional contract role and market convention. ## Core skills Skills and capabilities most closely associated with this opportunity. [Java](https://jobicy.com/jobs?search_keywords=Java.md)[Kotlin](https://jobicy.com/jobs?search_keywords=Kotlin.md)[Backend development](https://jobicy.com/jobs?search_keywords=Backend%20development.md)[Distributed systems](https://jobicy.com/jobs?search_keywords=Distributed%20systems.md)[Event-driven architecture](https://jobicy.com/jobs?search_keywords=Event-driven%20architecture.md)[REST APIs](https://jobicy.com/jobs?search_keywords=REST%20APIs.md)[AWS](https://jobicy.com/jobs?search_keywords=AWS.md)[Kafka](https://jobicy.com/jobs?search_keywords=Kafka.md)[Terraform](https://jobicy.com/jobs?search_keywords=Terraform.md)[Grafana](https://jobicy.com/jobs?search_keywords=Grafana.md)[DynamoDB](https://jobicy.com/jobs?search_keywords=DynamoDB.md)[Software testing](https://jobicy.com/jobs?search_keywords=Software%20testing.md)[System integration](https://jobicy.com/jobs?search_keywords=System%20integration.md)[Git](https://jobicy.com/jobs?search_keywords=Git.md)[English communication](https://jobicy.com/jobs?search_keywords=English%20communication.md) Sample interview questionsDescribe a backend service you built or maintained that had to operate reliably at scale.I would explain the service architecture, traffic or workload characteristics, failure modes, and the specific decisions made around resiliency, monitoring, scaling, and testing. I would also quantify the operational or customer outcome where possible. How would you design an event-driven workflow for fare or ticketing updates? I would define clear domain events, durable Kafka topics, consumer ownership, schemas, idempotency rules, retry and dead-letter handling, and observability. I would ensure that state changes are auditable and that consumers can safely recover from duplicate or delayed messages. What practices do you use to keep a Java or Kotlin API maintainable? I use clear domain boundaries, consistent API contracts, validation, structured error handling, automated unit and integration tests, code reviews, and documentation for important decisions. I also monitor production behavior and refactor based on operational evidence. How have you used AWS services to improve reliability or performance? I would describe a concrete implementation using services such as ECS, SQS, S3, DynamoDB, or EC2, including infrastructure-as-code, metrics, alerts, and scaling decisions. The answer should connect technical changes to a measurable improvement in availability, latency, or operational effort. How do you communicate a technical trade-off to non-technical stakeholders? I start with the customer or business impact, present the practical options and their risks in plain language, and recommend a path with clear assumptions. I avoid unnecessary jargon while making sure stakeholders understand cost, delivery, reliability, and future-maintenance implications. Opportunity details ## About this role. About Us_ // At Masabi, we’re driving the fare payment revolution, powering the journeys of millions all over the world. We build fare collection platforms that allow riders to seamlessly buy and present tickets for public transport either on their mobile phones, from a ticket machine, or even by tapping their bank card to travel. Our Justride platform is used in over 250 locations globally, including some of the largest cities in the world. With our industry-first mobile ticketing SDK, we’ve partnered with large players in the transport space, including Uber, Moovit and Transit. Your own journey is important to us too. Choosing a role here means joining a network of innovators from all walks of life; a group of passionate individuals who consistently deliver. Here, you’ll find the tools you need to build the career you want. Whether you’re taking the direct route or trying a new path, we’ll support you no matter what. ### The Role_ // At Masabi, we’re powering the journeys of millions by making public transport payments simple, accessible, and seamless. We’re looking for Backend Developers to help build and evolve the services at the heart of our Justride platform. You’ll work on cloud-native, event-driven systems that run at scale for transit agencies around the world, from fare and ticketing logic to the APIs and integrations that connect riders, operators and partners. As part of a cross-functional team, you’ll work closely with engineers, testers and product partners to take features from idea to production. What you build will shape the experience of riders every day. ### Location_ // This is a fully remote contract role for people based in Romania ### Responsibilities_ * Build and maintain backend services and APIs that power core parts of the Justride platform * Contribute to the design of scalable, secure and resilient distributed systems * Collaborate with cross-functional teams to deliver features from concept through to production * Write clean, well-tested, maintainable code and contribute to code reviews and shared engineering standards * Build and support integrations with internal services and third-party systems * Monitor and improve the performance, reliability and observability of the services you own * Contribute to technical discussions and help shape solutions and best practices * Take ownership of your work and support team outcomes ### About You_ * Clear, confident communication in written and spoken English * Solid commercial experience building backend systems in Java or Kotlin * Understanding of distributed systems and how to build for scale and reliability * Comfortable designing and working with REST APIs and service-based or event-driven architectures * Hands-on experience with cloud platforms, ideally AWS * A thoughtful approach to code quality, testing and maintainability * Collaborative and team-oriented, happy to share knowledge and learn from others * Strong problem-solving skills and a proactive mindset * Able to explain technical ideas clearly to both technical and non-technical colleagues We don’t expect you to tick every box. What matters most is curiosity, a willingness to learn, and the motivation to take ownership of your work. ### What You’ll Learn_ * How a global fare payment platform works at scale, used by transit agencies and millions of riders * Hands-on experience with event-driven architecture, Kafka, AWS and infrastructure as code * How to deliver in a cross-functional, international team where developers help shape the technical direction ### Our Stack_ * Java/Kotlin (nice to have) * Event-driven architecture, RESTful APIs * AWS (DynamoDB, S3, SQS, EC2, ECS etc.) * Kafka * Terraform * Grafana * Gradle, Maven, Git Careers at Masabi are for people going places – driven by a mission to make transit fair and accessible for all. // We are a network of innovators from all walks of life, passionate about making a difference. At Masabi, we operate with openness and trust, creating an environment where everyone feels empowered to bring their whole, authentic selves to work. Whoever you are, just be yourself. // We welcome applications from underrepresented groups, including disabled and neurodivergent people, and can make adjustments at any stage of the process. You’re also welcome to share your pronouns whenever you feel comfortable. Together, we simplify journeys, remove barriers, and improve daily life for millions. Why Join Masabi? * Driven by Purpose – We believe in journeys made simple. The work isn’t always easy, but the best things never are. * Encouraged to Accelerate – Masabi is going places and our people are in the driving seat. Whether you’re taking the direct route or exploring new paths, we support your journey. * Advancing with Empathy – We put people first and foster a culture of learning, not blame. No matter your cargo, we share the load. We’re already powering journeys – are you ready to join us? Show more [Apply now >](https://jobicy.com/jobs/157969-software-engineer-remote-contractor.md) > Annual salary information is not provided for this position. 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