Technical Support Engineer (API & Microservices) - Remote

Technical Support Engineer (API & Microservices) - Remote

Posted Today by Salt

£300 Per day
Inside
Remote
England, UK

Summary: The Technical Support Engineer will provide exceptional technical support for API-based software microservices and fintech products in a freelance capacity. This role demands strong technical skills, excellent communication abilities, and adaptability in a fast-paced environment. The engineer will be responsible for troubleshooting, client communication, and collaboration with various teams to resolve technical issues. The position is remote and offers a daily rate based on experience.

Key Responsibilities:

  • Deliver an exceptional client support experience, maintaining end-to-end accountability for resolving issues and providing timely updates.
  • Provide hands-on technical support for API-based microservices, troubleshooting connectivity issues, microservice interactions, software components, and network-related problems.
  • Diagnose and resolve technical incidents, escalating appropriately while maintaining ownership of client communication.
  • Liaise cross-functionally with Engineering, Product Management, Cloud Operations, and other teams to resolve complex technical issues.
  • Support the setup, optimisation, and ongoing management of support processes and tools, with a flexible mindset as systems evolve.
  • Act as the central communication bridge between the client and internal teams, ensuring updates remain accurate and consistent in a single source of truth.
  • Ensure all support issues are documented and recorded, and encourage clients to raise issues through formal support channels rather than informal ones (eg, Slack).
  • Monitor, analyse, and report on support metrics to identify trends, performance against SLAs, and areas for improvement.
  • Produce monthly reports to track support KPIs and service performance over time.
  • Develop and maintain documentation, including support processes, troubleshooting guides, FAQs, and knowledge articles.
  • Contribute to a culture of continuous improvement, internal knowledge sharing, and operational excellence.
  • Build and maintain strong client relationships, ensuring high customer satisfaction.
  • Stay informed on the latest developments in our product and service offerings.

Key Skills:

  • Strong interpersonal and client-facing communication skills.
  • Impeccable written and spoken English.
  • Bachelor's degree in Computer Science, Information Technology, or equivalent experience.
  • Proven experience as a Technical Support Engineer (preferably in a large organisation).
  • Strong technical proficiency in APIs, microservice architectures, software development fundamentals, and network troubleshooting.
  • Flexible mindset capable of balancing interim processes with a long-term, scalable vision.
  • Excellent analytical and problem-solving abilities.
  • Ability to clearly articulate technical concepts to non-technical stakeholders.
  • Self-motivated, able to work independently or as part of a team.
  • Strong client-focus and a commitment to delivering world-class support.
  • Professional, friendly, and highly detail-oriented.
  • Experience supporting large enterprise clients.

Salary (Rate): £300 daily

City: undetermined

Country: UK

Working Arrangements: remote

IR35 Status: inside IR35

Seniority Level: undetermined

Industry: IT

Detailed Description From Employer:

Technical Support Engineer (API & Microservices) - Software Solution - Remote

Daily rate: £200 - £300 (Inside IR35)

Duration: 9 months

Start: 5th January 2026

My client is looking for a Technical Support Engineer to join our team on a freelance basis. You will play a key role in delivering exceptional technical support for a suite of API-based software microservices and associated fintech products. This role requires strong technical capability, excellent client-facing communication skills, and the ability to operate in a fast-paced and evolving environment.

Key Responsibilities

  • Deliver an exceptional client support experience, maintaining end-to-end accountability for resolving issues and providing timely updates.
  • Provide hands-on technical support for API-based microservices, troubleshooting connectivity issues, microservice interactions, software components, and network-related problems.
  • Diagnose and resolve technical incidents, escalating appropriately while maintaining ownership of client communication.
  • Liaise cross-functionally with Engineering, Product Management, Cloud Operations, and other teams to resolve complex technical issues.
  • Support the setup, optimisation, and ongoing management of support processes and tools, with a flexible mindset as systems evolve.
  • Act as the central communication bridge between the client and internal teams, ensuring updates remain accurate and consistent in a single source of truth.
  • Ensure all support issues are documented and recorded, and encourage clients to raise issues through formal support channels rather than informal ones (eg, Slack).
  • Monitor, analyse, and report on support metrics to identify trends, performance against SLAs, and areas for improvement.
  • Produce monthly reports to track support KPIs and service performance over time.
  • Develop and maintain documentation, including support processes, troubleshooting guides, FAQs, and knowledge articles.
  • Contribute to a culture of continuous improvement, internal knowledge sharing, and operational excellence.
  • Build and maintain strong client relationships, ensuring high customer satisfaction.
  • Stay informed on the latest developments in our product and service offerings.

Skills & Attributes

  • Strong interpersonal and client-facing communication skills.
  • Impeccable written and spoken English.
  • Bachelor's degree in Computer Science, Information Technology, or equivalent experience.
  • Proven experience as a Technical Support Engineer (preferably in a large organisation).
  • Strong technical proficiency in APIs, microservice architectures, software development fundamentals, and network troubleshooting.
  • Flexible mindset capable of balancing interim processes with a long-term, scalable vision.
  • Excellent analytical and problem-solving abilities.
  • Ability to clearly articulate technical concepts to non-technical stakeholders.
  • Self-motivated, able to work independently or as part of a team.
  • Strong client-focus and a commitment to delivering world-class support.
  • Professional, friendly, and highly detail-oriented.
  • Experience supporting large enterprise clients.

Preferred Qualifications

  • Experience with Accounting and/or AI-related technologies.
  • Familiarity with support ticketing systems and CRMs (eg, Salesforce, ServiceNow).
  • Certifications related to technical support, SRE, cloud operations, or relevant technologies.
  • Experience with observability tools such as Grafana or New Relic.
  • Fluency in French or German (strong bonus).
  • Experience collaborating with Legal, Public Affairs, or Communications teams.
  • Background in Account Management or Client Success.

Team Structure & Logistics

  • You will join a team of four Support Engineers, operating on a weekly on-call rotation (approximately once every 4 weeks).
  • During your on-call week, you must be contactable during bank holidays for incident response.
  • Coordination of annual leave with other team members is expected to ensure full coverage.

*Rates depend on experience and client requirements