Senior Backend Software Engineer New

Mountain; Mississippi; Remote; USD 90,000 - 130,000; Full time

Job summary

A leading company specializing in Connected TV advertising is seeking a Backend Engineer. In this role, you’ll develop scalable systems and collaborate closely with product leads. Join a team dedicated to innovation in a remote-first culture that fosters professional growth and flexibility.

Benefits

Flexible vacation policy

Three-day weekend every month

Annual vacation allowance for travel expenses

401k plan

Access to coaching and professional development

Qualifications

• 5+ years Java, Kotlin, or Scala development experience.
• Strong proficiency in SQL, table design, and common database skills.
• Experience with RESTful APIs and microservices-based architecture.

Responsibilities

• Create and support Java/Kotlin APIs and services for creative delivery systems.
• Build high-volume services that are reliable at scale.
• Collaborate with and explain complex technical issues to Product and Project Leads.

Skills

Java

Kotlin

Scala

SQL

Database Design

AI Integration

Tools

AWS

GCP

Git

Linux/UNIX

Job description

At MNTN, we put our people first, full stop. This allows our company culture to be defined by our team members, and their shared values, like trust, ambition, quality, radical honesty, and compassionate leadership. It’s why we allreallylove working for the Hardest Working Software in Television (and also why we were named one of Ad Age’s Best Places To Work in 2024.)

We pride ourselves on bringing unrivaled performance and simplicity to Connected TV advertising. Our self-serve technology makes running TV ads as easy as search and social and helps brands drive measurable conversions, revenue, site visits, and more. It’s what led MNTN to being named one of Fast Company's Most Innovative Companies in 2023. You can learn more about us and everything we do by visiting https://mountain.com/ .

We’re committed to innovation that empowers, not replaces. At MNTN, AI is a tool for growth, enhancing efficiency while keeping a people-first approach. Our goal is to streamline workflows and drive new solutions—without compromising the human element that makes our company great.

So if wanting to do more, own more, and make a bigger impact comes naturally to you, then you may be the person we're looking for to join us in our next stage of growth.

The MNTN Creative Delivery Services team manages ad delivery from backend to front end. As part of this team, you’ll contribute to the core infrastructure that drives creative processing, delivery, and optimization across our entire platform. You'll be joining the group that owns our high-volume ad server and the pipelines that manage how creative assets are ingested, transformed, and served. As a Backend Engineer, you'll play a key role in developing scalable systems, improving performance, and building new integrations that expand creative capabilities for some of the world’s most recognizable brands. Your work will directly impact the flexibility, speed, and reliability of our ad experiences—at scale.

What You’ll Do:

• Create and support Java/Kotlin APIs and services to support our creative delivery systems
• Work across different technologies, including languages and tools like Rust, Kafka, Terraform and several RDBMSes
• Build high volume services that are reliable at scale
• Understand the broader context of our software beyond the components you build
• Raise the bar on our engineering culture, leading by example
• Collaborate with and explain complex technical issues to Product and Project Leads
• Optimize and enhance existing products

What You’ll Bring:

• 5+ years of Java, Kotlin, or Scala development experience
• Comfort diving in to tech stacks outside your primary specialization
• A desire to understand the purpose and impact of the tools you build
• Strong proficiency in SQL, table design, indexing and other common database skills
• Integration of AI tools such as Cursor, ChatGPT and other LLM based copilots in your workflow
• Experience with RESTful APIs and microservices-based architecture
• Familiarity with Git and Linux/UNIX environments
• Experience on AWS, GCP, or other cloud infrastructure

100% remote within the US

Flexible vacation policy

Annual vacation allowance for travel related expenses

Three-day weekend every month of the year

Competitive compensation

401k plan

Flexible Spending Account (FSA) for dependent, medical, and dental care

Access to coaching, therapy, and professional development

About MNTN:

Our recruiters will always reach out using an email address ending with @mountain.com OR @mntn.com. If you’re contacted by someone without that address and they mention a Reference Code (which we never use), thenthat ain’t us folks.Tell those trolls to take a hike–you’re waiting to climb a MNTN.

MNTN provides advertising software for brands to reach their audience across Connected TV, web, and mobile. MNTN Performance TV has redefined what it means to advertise on television, transforming Connected TV into a direct-response, performance marketing channel. Our web retargeting has been leveraged by thousands of top brands for over a decade, driving billions of dollars in revenue.

Our solutions give advertisers total transparency and complete control over their campaigns all with the fastest go-live in the industry. As a result, thousands of top brands have partnered with MNTN, including Build with Ferguson Master, OneWheel, Tarte, Decked, and National University.

Create a Job Alert

Interested in building your career at MNTN? Get future opportunities sent straight to your email.

Accepted file types: pdf, doc, docx, txt, rtf

Enter manually

Accepted file types: pdf, doc, docx, txt, rtf

LinkedIn Profile

How did you hear about this job? Select...

Voluntary Self-Identification

For government reporting purposes, we ask candidates to respond to the below self-identification survey.Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiringprocess or thereafter. Any information that you do provide will be recorded and maintained in aconfidential file.

As set forth in MNTN’s Equal Employment Opportunity policy,we do not discriminate on the basis of any protected group status under any applicable law.

If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection.As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measurethe effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categoriesis as follows:

A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability.

A "recently separated veteran" means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.

An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.

An "Armed forces service medal veteran" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.

Select...

Voluntary Self-Identification of Disability

Form CC-305

Page 1 of 1

OMB Control Number 1250-0005

Expires 04/30/2026

Voluntary Self-Identification of Disability

Form CC-305 Page 1 of 1 OMB Control Number 1250-0005 Expires 04/30/2026
Why are you being asked to complete this form?

We are a federal contractor or subcontractor. The law requires us to provide equal employment opportunity to qualified people with disabilities. We have a goal of having at least 7% of our workers as people with disabilities. The law says we must measure our progress towards this goal. To do this, we must ask applicants and employees if they have a disability or have ever had one. People can become disabled, so we need to ask this question at least every five years.

Completing this form is voluntary, and we hope that you will choose to do so. Your answer is confidential. No one who makes hiring decisions will see it. Your decision to complete the form and your answer will not harm you in any way. If you want to learn more about the law or this form, visit the U.S. Department of Labor’s Office of Federal Contract Compliance Programs (OFCCP) website at www.dol.gov/ofccp .

How do you know if you have a disability?

A disability is a condition that substantially limits one or more of your “major life activities.” If you have or have ever had such a condition, you are a person with a disability. Disabilities include, but are not limited to:

• Alcohol or other substance use disorder (not currently using drugs illegally)
• Autoimmune disorder, for example, lupus, fibromyalgia, rheumatoid arthritis, HIV/AIDS
• Blind or low vision
• Cancer (past or present)
• Cardiovascular or heart disease
• Celiac disease
• Cerebral palsy
• Deaf or serious difficulty hearing
• Diabetes
• Disfigurement, for example, disfigurement caused by burns, wounds, accidents, or congenital disorders
• Epilepsy or other seizure disorder
• Gastrointestinal disorders, for example, Crohn's Disease, irritable bowel syndrome
• Intellectual or developmental disability
• Mental health conditions, for example, depression, bipolar disorder, anxiety disorder, schizophrenia, PTSD
• Missing limbs or partially missing limbs
• Mobility impairment, benefiting from the use of a wheelchair, scooter, walker, leg brace(s) and/or other supports
• Nervous system condition, for example, migraine headaches, Parkinson’s disease, multiple sclerosis (MS)
• Neurodivergence, for example, attention-deficit/hyperactivity disorder (ADHD), autism spectrum disorder, dyslexia, dyspraxia, other learning disabilities
• Partial or complete paralysis (any cause)
• Pulmonary or respiratory conditions, for example, tuberculosis, asthma, emphysema
• Short stature (dwarfism)
• Traumatic brain injury

Disability Status Select...

PUBLIC BURDEN STATEMENT: According to the Paperwork Reduction Act of 1995 no persons are required to respond to a collection of information unless such collection displays a valid OMB control number. This survey should take about 5 minutes to complete.