Senior Backend developer

Posted yesterday

Worldwide

Needs to hire 3 Freelancers
Summary

Job overview We’re seeking a skilled backend developer to join our team and contribute to our server-side development processes. You will be responsible for designing and maintaining scalable web services, managing databases, and collaborating with stakeholders to ensure seamless integration between the front and back end.    As part of a cross-functional team, you'll work closely with front-end developers, project managers, and DevOps professionals to enhance functionality, optimize workflows, and deliver high-quality web applications. Key responsibilities  Backend developers are responsible for maintaining robust server-side logic and ensuring optimal application functionality. Core duties include: Develop and maintain server-side applications. Build scalable and secure web services using backend programming languages like C#, .Net Core, Python, Ruby, Java, and Node.js. Manage databases and data storage. Optimize database performance using tools such as MySQL, MongoDB, or SQL Server while ensuring secure and reliable data management. Collaborate with team members. Work closely with front-end developers, designers, and project managers to ensure alignment between server-side functionality and user interfaces. Implement APIs and frameworks. Design and implement RESTful APIs to facilitate communication between server-side applications and end-user systems. Conduct troubleshooting and debugging. Identify and resolve performance bottlenecks, security vulnerabilities, and server-side errors to maintain system stability. Optimize scalability and workflows. Develop reusable code and scalable solutions to accommodate future growth. Qualifications and skills  To excel as a backend developer, candidates should meet the following qualifications: Education. A bachelor’s degree in computer science, software engineering, or a related field. Certifications in backend frameworks or cloud platforms (e.g., AWS or Azure) are a plus. Work experience. At least 5 -8 years of professional experience in backend web development, including familiarity with the full software development lifecycle. Technical skills. Proficiency in backend programming languages (e.g., C#, .Net Core, Java, Python, Ruby, PHP), database management (e.g., MSSQL, MongoDB, MySQL), and version control tools like Git. Experience with frameworks like Django or Node.js is highly valued. Soft skills. Strong problem-solving and communication skills to collaborate effectively with team members and stakeholders. About our company  We are a forward-thinking organization specializing in innovative web solutions. We foster a collaborative environment that encourages creativity, growth, and technical excellence. Join our team to work on meaningful projects that impact industries worldwide.

  • More than 30 hrs/week
    Hourly
  • 1-3 months
    Duration
  • Expert
    Experience Level
  • $20.00

    -

    $80.00

    Hourly
  • Remote Job
  • Ongoing project
    Project Type
Skills and Expertise
Mandatory skills
C#
MongoDB
SQLite
API Integration
Activity on this job
  • Proposals:20 to 50
  • Last viewed by client:4 hours ago
  • Interviewing:
    16
  • Invites sent:
    30
  • Unanswered invites:
    12
About the client
Member since Jan 27, 2025
  • MYS
    Petaling Jaya12:37 AM
  • $35K total spent
    26 hires, 5 active
  • Mid-sized company (10-99 people)

Explore similar jobs on Upwork

Redis
Android
Node.js
API
RESTful API
MySQL
Java
PHP
Backend DeveloperHourly‐ Posted 1 month ago
Golang
PostgreSQL

How it works

  • Post a job icon
    Create your free profile
    Highlight your skills and experience, show your portfolio, and set your ideal pay rate.
  • Talent comes to you icon
    Work the way you want
    Apply for jobs, create easy-to-by projects, or access exclusive opportunities that come to you.
  • Payment simplified icon
    Get paid securely
    From contract to payment, we help you work safely and get paid securely.
Want to get started? Create a profile

About Upwork

  • Rating is 4.9 out of 5.
    4.9/5
    (Average rating of clients by professionals)
  • G2 2021
    #1 freelance platform
  • 49,000+
    Signed contract every week
  • $2.3B
    Freelancers earned on Upwork in 2020

Find the best freelance jobs

Growing your career is as easy as creating a free profile and finding work like this that fits your skills.

Trusted by

  • Microsoft Logo
  • Airbnb Logo
  • Bissell Logo
  • GoDaddy Logo