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Senior Software Engineer; Back-end

Job in Tempe, Maricopa County, Arizona, 85285, USA
Listing for: Harnham Ltd
Full Time position
Listed on 2026-09-03
Job specializations:
  • Software Development
    Backend Developer, Cloud Engineer - Software
Salary/Wage Range or Industry Benchmark: 120000 - 140000 USD Yearly USD 120000.00 140000.00 YEAR
Job Description & How to Apply Below
Position: Senior Software Engineer (Back-end)

Overview

A growing enterprise technology organisation is seeking a Senior Backend Engineer to design, develop, and deliver scalable cloud-based applications and services. This role focuses primarily on backend development while contributing to frontend initiatives as needed. The successful candidate will work in a fast-paced environment, partnering with architects, engineers, and business stakeholders to build high-performance digital platforms, APIs, and customer-facing applications.

Senior Software Engineer (Backend)

$120,000-$140,000

Key Responsibilities
  • Design, build, and maintain scalable backend services and distributed applications.
  • Develop cloud-native microservices leveraging AWS technologies and modern development frameworks.
  • Create and support RESTful APIs and system integrations.
  • Contribute to technical architecture discussions and solution design initiatives.
  • Evaluate emerging technologies and recommend improvements to the technology stack.
  • Build proof-of-concept solutions to validate architecture and engineering approaches.
  • Refactor and modernise existing applications to improve scalability, performance, and maintainability.
  • Collaborate with engineering teams to create reusable components and shared services.
  • Promote standardisation and reduce duplicate technical efforts across projects.
  • Participate in Agile development activities, including planning, estimation, and delivery.
  • Partner with architects, engineering leadership, and stakeholders to align solutions with enterprise standards.
  • Support testing, deployment, and release management processes.
  • Coordinate user acceptance testing activities and gather feedback from stakeholders.
  • Track defects, enhancements, and feature requests using issue management tools.
  • Identify, communicate, and mitigate project risks and technical challenges.
  • Prepare and review technical documentation, architecture artefacts, and solution designs.
Required Qualifications
  • Bachelor's degree in Computer Science, Information Technology, Engineering, or a related discipline.
  • 6 to 8 years of experience developing large-scale web, mobile, or API-driven applications.
  • Strong experience designing scalable, high-performance microservices and backend systems.
  • Expertise with:
    • Node.js
    • Type Script
    • AWS cloud services
    • AWS serverless technologies
    • MongoDB
    • REST APIs
    • SQL and No

      SQL databases
  • Experience designing and implementing system integrations.
  • Solid understanding of cloud architecture and distributed systems.
  • Experience working within Agile software development environments.
  • Hands-on experience with CI/CD pipelines and related tooling, including source control, automated builds, containerisation, and deployment automation.
  • Familiarity with Docker, containers, and modern Dev Ops practices.
  • Strong analytical and problem-solving abilities.
  • Excellent verbal and written communication skills.
  • Ability to collaborate effectively with technical and non-technical stakeholders.
  • Adaptability and ability to manage changing priorities in a fast-paced environment.
Preferred Qualifications
  • Experience with:
    • React
    • React Native
    • GraphQL
    • CRM platform integrations
  • Experience supporting mobile application ecosystems.
  • Exposure to enterprise-scale architecture and modernisation initiatives.
Work Model / Location / Engagement Details
  • Full-time Senior Software Engineering position.
  • Collaborative environment with cross-functional teams.
  • Opportunity to work on cloud-native platforms, customer-facing applications, and enterprise-scale services.
  • Competitive compensation package and performance-based incentives.
  • Comprehensive benefits programme, retirement savings options, paid time off, recognised holidays, and professional development opportunities.
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Position Requirements
10+ Years work experience
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