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Senior Software Engineer

XcelHRLondon, United KingdomOnsite
Job Summary:
As a Senior Software Engineer, you will work closely with cross-functional teams to understand customer needs, explore efficient solutions, and deliver impactful features. You will test, experiment, and iterate on product improvements while seeking feedback to enhance the customer experience. You’ll need to wear multiple hats, tackle diverse problems, and take ownership of tasks ranging from web page performance optimization to database performance improvements.Key Responsibilities:

  • Develop, maintain, and optimize web applications using JavaScript.
  • Work with Python for backend development, scripting, and automation.
  • Implement and maintain test automation frameworks for APIs and UI testing.
  • Design and develop APIs and integrations with third-party services.
  • Utilize Docker for containerized deployments.
  • Deploy and manage infrastructure on Azure, AWS, or other cloud platforms.
  • Work with offshore development teams for smooth project execution.
  • Use open-source tools to enhance development processes and workflows.
  • Build and maintain automation tools to improve CI/CD pipelines and development efficiency.

Required Skills & Qualifications:

  • 4+ years of JavaScript experience, with strong knowledge of modern frameworks and best practices.
  • 2+ years of Python experience for backend services, scripting, and automation.
  • Hands-on experience with test automation frameworks (e.g., Selenium, Cypress, PyTest, Postman, or similar).
  • Strong understanding of API development and integrations.
  • Experience with Docker and containerized deployments.
  • Familiarity with Azure, AWS, or other cloud platforms.
  • Experience with automation tools for CI/CD and DevOps workflows.
  • Experience with front-end development using Typescript/Javascript.
  • Background in open-source tools and technologies.
  • Ability to thrive in startups or small organizations with a fast-paced environment.
  • Experience working with offshore teams.

Preferred Qualifications:

  • 2+ years of Vue.js experience or experience with similar front-end frameworks.
  • Experience with CI/CD pipelines and DevOps practices.
  • Knowledge of backend frameworks such as FastAPI, Flask, or Django.
  • Exposure to microservices architecture.

Life at XcelHR

XcelHR provides payroll, employee benefits administration, risk management and human resource administration services to small- to mid-size businesses, government contractors and large businesses. With sales and service offices in Massachusetts, Washington D.C., Maryland, Indiana, and Alabama, XcelHR is positioned to serve businesses throughout the U.S. Visit www.xcelhr.com to learn more.
Thrive Here & What We Value* Serviceoriented culture* Commitment to achieving and fulfilling clients' needs and expectations* Passionate team of professionals dedicated to being part of a business owner's toolkit* Mission is to help business owners thrive.* Integrity* Excellence* Ownership* Enthusiasm

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