Sinch is pioneering the way the world communicates. More than 150,000 businesses - including Google, Uber, Paypal , Visa, Tinder, and many others - rely on Sinch's Customer Communications Cloud to power engaging customer experiences through mobile messaging, voice, and email.

Whether you need to verify users or craft omnichannel campaigns, Sinch makes it easy. Our AI-infused Super Network, APIs, and applications ensure you can connect with your customers reliably and securely, at every step of their journey.

At Sinch we "Dream Big", "Win Together", "Keep it simple", and "Make it Happen". These values are our foundation!

Description

At Sinch Mailgun , we're building the infrastructure that powers communication at internet scale. As one of the largest email providers in the world, our platform delivers billions of emails every day for developers, startups, and global enterprises alike.

We're looking for a Senior Software Engineer to join our Backbone Services team to help us maintain, optimize, and further develop our core account management, authentication, and partner platform integration services. These systems are essential to the operations of every other service at Mailgun and are heavily relied upon.

An ideal candidate will be detail-oriented with keen organizational skills, be a self-starter who has a strong sense of ownership, and is comfortable working on a small team while also collaborating independently with various other teams across the Sinch organization. We are looking for someone who is a team player, with good communication skills, who is eager to work on scaling our existing systems alongside contributing to the future technical direction and features we will build.

Responsibilities

Makes design decisions and technology recommendations to satisfy business requirements based on the product roadmap/vision.

Makes recommendations based upon established vision and associated analysis in order to satisfy tactical, operational, and strategic needs.

Capable of prototyping solutions to determine feasibility and provide an outline to others for implementation.

Designs sustainable solutions and processes that minimize developer support and intervention.

Design, build, and maintain internal and external APIs that support partner integrations and downstream services.

Work with a high degree of autonomy in a fast-paced and collaborative environment.

Mentor other engineers and help to foster a culture of high-quality code and accountability.

Requirements

Proficient in Go and/or Python.

Experience working in a CI/CD environment.

Experience with noSQL (Mongo, Cassandra) databases.

Experience with highly scalable distributed systems capable of handling thousands of requests.

Experience working with and maintaining RESTful APIs.

Passion for clean, simple, and well-tested code.

6+ years of professional software development experience.

A strong problem-solver who is comfortable with learning new technologies.

Preferred

Experience integrating with platforms like HubSpot, Salesforce, GCP, AWS, Heroku, etc.

Experience building robust authentication layers and/or using authentication frameworks like OAuth 2.0.

Experience with mentoring.

This is a remote opportunity, but candidates must reside near one of our hub locations for occasional collaboration: Atlanta, GA; Chicago, IL; San Antonio, TX; Denver, CO

OUR HIRING PROCESS

We are committed to ensuring a recruitment process that is fair, objective, consistent, and inclusive. Our approach includes structured, competency-based interviews designed to evaluate your skills, experience, and qualifications relevant to the role. At times, we may include a data-driven assessment to enhance our hiring success and identify candidates likely to excel.

We believe in a two-way process and encourage you to ask questions throughout the journey. If this role isn't what you're looking for, please explore the other opportunities listed on our career page: https://www.sinch.com/careers/{rel="noopener noreferrer" target="_blank"}

. No matter who you are, we hope you find an exciting path forward - hopefully with us!

Benefits

STAY HEALTHY : We offer comprehensive market competitive medical, dental, and vision plans. A variety of supplemental plans are also provided to meet your individual needs including access to telehealth for all participants.

CARE FOR YOURSELF: Take advantage of our free virtual counselling resources through our global Employee Assistance Program. Your mental health is as important as your physical health.

SECURE YOUR FUTURE: Plan for your future with our Roth and Pre-tax 401(k) options including an employer match for all participants.

TAKE A BREAK: Enjoy a generous paid time off program. We value balance and understand that performance at work requires time to rest at home and/or rejuvenate on vacation.

PUT FAMILY FIRST: We know that families can be built in a variety of ways; therefore, we offer paid parental leave and family planning support.

WORK WHEREVER: Our flexible remote work offerings allow you to work wherever you are the most productive and successful. It is what you do, not where you work, that matters.

MAKE AN IMPACT: Support betterment in your community and beyond by taking paid time off to support a volunteer program of your choice.

The annual starting salary for this position is between $123,000 - $154,000. Factors which may affect starting pay within this range may include geography/ market , skills, education, experience, and other qualifications. This role will be accepting applications until Feb 10, 2026 at a minimum. Please note that the application timeline may be flexible to accommodate a comprehensive candidate evaluation.Please Apply at: https://www.aplitrak.com/?adid=YmJnZW5lcmljLjY0MDg4Ljg3NjBAc2luY2hjb21wLmFwbGl0cmFrLmNvbQ{rel="noopener noreferrer" target="_blank"}

Sinch America Inc.

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