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Lead Backend C# Developer

Roles & Responsibilities

  • Bachelor's or Master's degree in Computer Science, Computer Engineering, Information Technology, or related fields
  • 10+ years of experience as a Backend Developer with strong proficiency in C# (plus experience in C++, Go, or Java)
  • Experience with enterprise web applications, relational databases (SQL), and cloud deployments (Azure, AWS, or GCP) along with containerization (Docker/Kubernetes)
  • Strong communication skills, ability to work with international clients, and proven leadership/mentoring capabilities in cross-functional teams

Requirements:

  • Architect, develop, and maintain backend services and RESTful APIs for enterprise-grade portal solutions, with a focus on scalability, reliability, and security
  • Lead system design discussions, code reviews, and collaborate with frontend teams and stakeholders to align backend solutions with business goals; mentor developers
  • Champion best practices in documentation, automated testing, and knowledge sharing; ensure code quality and drive continuous improvement
  • Integrate with third-party services and databases; oversee cloud deployments and containerization (Docker/Kubernetes) to support production environments

Job description

About Slash

Slash is a hi-tech startup studio with a mission to build tech products that change the world. Our clients are global. In addition, we build and invest our own startups and commercialize them through joint ventures in ASEAN and Europe. We work on a wide-range of technologies: web, mobile, AI, blockchain, cloud, microservices & middlewares, security & infrastructure, etc.

Slash has headquarters in Singapore and community-oriented R&D hubs in Phnom Penh, Bali, Yogyakarta, Jakarta and Bandung. We are a team of 50+ entrepreneurs, engineers, hackers, and full-stack developers with unique capabilities in web, mobile, AI, and Blockchain. 

Role and responsibilities, and how will the role impact Slash?

We are looking for an experienced Lead Backend C# Developer to join our Client’s Portal Team, responsible for developing our enterprise-grade portal solutions. This role involves architecting, implementing, and maintaining robust backend systems that power complex AI solutions for enterprise and government. You will bring a strong focus on good architecture and problem solving with system reliability and scalability in mind. You will be working with the latest technologies in a collaborative, agile, and professionally challenging environment

  • Architect, develop, and maintain backend services of our enterprise-grade portal solutions.

  • Take ownership of system-level design tasks and collaborate with frontend developers and other stakeholders to align backend solutions with overall system goals.

  • Lead technical discussions and contribute to system design, architecture, and code reviews.

  • Champion a culture of continuous learning, documentation, and knowledge sharing within the development team.

  • Lead by example in producing clean, high-quality, reusable code following established best practices for scalability and security.

    • Develop RESTful APIs and integrate with various third-party services and databases.

    • Review and mentor developers on the use of best practices and code patterns.

    • Perform unit testing and automated testing to ensure code quality and reliability.

    • Diagnose, debug problems, and optimize performance bottlenecks in production environments.


Requirements

How do you know if you are a good fit?

  • Bachelor's or Master Degree in Computer Science, Computer Engineering, Information Technology, or related fields.

  • Proactive, confident, doesn’t shy away from responsibility, takes full ownership, independence, inner drive to become successful

  • Excellent written and verbal communication skills. Ability to talk to international clients

  • Tech savvy (up to date with the latest trends), hands-on experience in both frontend and backend development, from development to deployment and operations.

  • Ability to collaborate effectively in a cross-functional team consisting of software engineers, DevOps, and other specialists. (e.g solution architects, product managers, scrum masters, developers, and client’s Team)

  • Minimum 10+ years of experience as a Backend Developer with strong proficiency in a either C++, C#, GO, or Java.

    • Some Modern C++ experience is strongly preferred.

  • Solid understanding of enterprise-level web applications.

  • Strong understanding of relational database management systems (and SQL).

  • Familiarity with cloud-based deployments (Azure, AWS, or GCP) and containerization technologies like Docker or Kubernetes.

  • Experience with automated testing frameworks is a strong advantage.

  • Knowledge of modern agile software development principles and practices.

    • Experience with any of the following would be considered a bonus

    • Enterprise SaaS platform development

    • Microservices and message-oriented architectures

    • NoSQL / Document database systems

    • gRPC, or Message brokers like RabbitMQ or Kafka.

  • Personal Competencies

    • Innovative, motivated, and a quick learner with a passion for solving complex technical challenges.

    • Strong communication and teamwork skills, with the ability to work effectively in small, agile teams.

    • A high degree of ownership and attention to detail, with a commitment to delivering robust and high-quality software solutions.

    • Adaptable and open to learning new technologies and processes.


Location: Due to the nature of the role, this position is open only to candidates based in Singapore.


Benefits

What do we offer?

  • Projects/clients: Get the stability of a larger group and the excitement of a startup. Work on interesting global projects, challenges and technologies for top brands, fast-paced startups and governments. Experience working with a mature SCRUM team and day-to-day Agile mindset project implementation. 

  • Team and working environment: Join our diverse remote builders' community and hubs oriented in Indonesia, Cambodia, Singapore, and Thailand. Experience an optimized remote working environment. 

  • At Slash, we're proud of our collaborative culture; everyone is ready to lend a helping hand, whether it's your first day on the job or your thousandth. We also embrace a trust-centric culture, flexibility and accountability first, and a work-life integration mindset. 

  • Learning: We focus on the growth of both parties. You will meet communities packed with intelligent peers and attend events with regular speakers, so you don't miss out on the latest tech trends. Slash is a safe space for people to share if you're passionate about something. Our favorite learning practices are the Growth Accountability Group, Mentoring Program, Venture Club, and Leadership. On top of your remuneration, you will get annual training or learning credits to be redeemed. We actively encourage everyone to suggest training beneficial for their professional growth.

  • Technology: We work on a wide-range of technologies: latest web and mobile technologies, AI, blockchain, latest Cloud services, microservices & middlewares, security & infrastructure, etc. 


How do you apply?

Interested applicants are encouraged to submit your CV to join@slash.co

For more information, visit us at www.Slash.co

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