Sr. Backend API Developer

Airswift; Houston (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

Airswift is seeking a Sr. Backend API Developer in Houston, TX to design and build production-grade backend services for enterprise applications.

You will focus on cloud-native microservices, REST APIs, and scalable integrations, contributing to architecture discussions, software quality, performance optimisation, and reliable delivery across distributed global teams. The role requires strong experience in Java or Python, Spring Boot or FastAPI, Docker and Kubernetes, and knowledge of databases,

Qualifications

• Strong experience building production-grade enterprise software in Java or Python.
• Hands-on with cloud-native microservices, REST APIs, and scalable integrations.
• Experience with containerization, CI/CD, and monitoring tooling in distributed teams.

Responsibilities

• Design and implement backend services with a focus on reliability and performance.
• Collaborate with cross-functional teams across time zones to deliver secure solutions.

Skills

Java

Spring Boot

Python

FastAPI

REST APIs

Microservices

Linux

Docker

Kubernetes

AWS

OpenAPI/Swagger

Git

CI/CD

Postman

Unit testing

Tools

Terraform

Grafana

Prometheus

OpenTelemetry

Postman

GitHub

Kafka

RabbitMQ

Job description

Job Title: Sr. Backend API Developer

Duration: 12 months (possible extension)

Schedule: 5/40

Location: Houston, TX

This opportunity offers the chance to design and build production-grade backend services for enterprise applications, with a strong focus on cloud-native microservices, REST APIs, and scalable integration solutions. The role will suit a technically strong software engineer who can contribute to architecture discussions, software quality, performance optimisation, and reliable delivery across distributed global teams. This position will play a key part in developing secure, high-performance backend systems in a modern engineering environment.

Required Experience:

• Strong experience building production-grade enterprise software using Java or Python.
• Hands-on experience developing cloud-native microservices, REST APIs, enterprise integrations, and scalable backend solutions.
• Experience contributing to technical design and architecture discussions for enterprise-grade applications.
• Experience troubleshooting complex production issues, performing root-cause analysis, and driving performance optimisation.
• Experience collaborating with Product Owners, Architects, DevOps teams, QA teams, and business stakeholders across distributed global teams and time zones.

Required Skills:

• Java with Spring Boot preferred, or Python using FastAPI, Flask, Django, or equivalent.
• Working knowledge of Golang.
• Strong RESTful API design and development skills, including API Gateway patterns and OpenAPI / Swagger.
• Strong Linux/Unix administration and troubleshooting skills, including Shell/Bash scripting.
• Experience with Docker, Kubernetes, Helm, and cloud technologies including AWS, Azure, and/or GCP.
• Knowledge of Git, GitHub, GitLab, or Bitbucket, along with automated build, test, and deployment pipelines.
• Strong understanding of microservices architecture, event-driven architectures, and message brokers such as Kafka or RabbitMQ.
• Experience working with relational and NoSQL databases.
• Testing expertise using unit testing frameworks such as JUnit, PyTest, Mockito, test automation, API testing tools such as Postman, and static code analysis tools including SonarQube.
• Knowledge of monitoring and observability tools including Grafana, Prometheus, and ELK.
• Strong grounding in design patterns, SOLID principles, high availability, scalability design, log analysis, and debugging.
• Strong ownership, accountability, independent working capability, and effective stakeholder communication.

Preferred Qualifications:

• Experience in the telecommunications domain.
• Knowledge of TM Forum Open APIs including TMF620, TMF641, TMF622, TMF633, TMF638, and TMF640.
• Experience implementing Telecom OSS/BSS integrations.
• Experience with Kubernetes-based deployments in production environments.
• Familiarity with Infrastructure as Code tools such as Terraform or Ansible.
• Understanding of distributed systems and cloud-native architecture patterns.

About Airswift:

Airswift is an international workforce solutions provider within the energy, process and infrastructure industries. Airswift serves as a strategic partner to clients, offering a turnkey workforce solution to capture and deliver the top talent needed to complete successful projects by aligning with unique project needs. With over 1000 employees and 9,000 contractors operating in over 60 countries, Airswift's geographical reach and pool of talent available is unmatched in the industry.