Backend Developer Salary in Saint Louis

Backend Developer jobs in Saint Louis hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $188,564/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

Saint Louis
AI/ML
Software
Data
Security
DevOps & Cloud
Leadership
Product
Design
Fintech
Hardware & Chips
Defense
Aerospace
Biotech
Energy
Robotics
Automotive
MedTech
Science

Empower AI

empower.ai
empower.ai • HQ: Reston, United States • Digital Government • IT Consulting & Digital Transformation • AI Consulting & Integration • 1001-5000 employees • Est. 1989 • Hiring 225, 13 new
HQ: Reston, United States • Digital Government • IT Consulting & Digital Transformation • AI Consulting & Integration • 1001-5000 employees • Est. 1989 • Hiring 225, 13 new
Headquartered in Reston, Virginia, Empower AI (formerly NCI Information Systems) is an artificial intelligence solutions and enterprise IT provider serving the U.S. federal public sector. The company delivers a mission-focused technology platform featuring hyperautomation, machine learning, natural language processing, IT service management, and zero-trust cybersecurity frameworks tailored for defense, health, and civilian agencies.
No named decision-maker yet.
Careers mailbox is known
Verified live · 4 hours ago 1 month ago Long shot · 19%

Database/C# Programmer

≈ $133k – $247k per year (Estimated) • Staff+ • 10+ years exp • In office (Saint Louis, United States) • Bachelor's Degree • Secret • Staff
C#
JavaScript
SQL
C#
ASP.NET Core
Databases
Oracle
MS SQL
DevOps
Windows Server
Unix
Windows
Linux
Cybersecurity
Fortify
+3
Apply

Interco

interco.com
interco.com • HQ: Saint Louis, United States • Waste Management • Non-ferrous Metals • Hiring 7
HQ: Saint Louis, United States • Waste Management • Non-ferrous Metals • Hiring 7
Interco is a global metals trading and recycling company that buys, sells and processes nonferrous metals and electronics scrap for customers in the United States, Europe, Latin America and Asia. It hires maintenance technicians, supervisors, accounting staff and software development interns for its facilities in Missouri and Illinois. The company is headquartered in Saint Louis, Missouri, United States.
No named decision-maker yet.
No careers mailbox known
Verified live · 1 hour ago 1 month ago Fading · 25%

Junior Software Developer

$60k – $65k per year • Junior • In office (Saint Louis, United States) • Bachelor's Degree • Full-Time • Middle • English
JavaScript
TypeScript
Python
Python
FastAPI
Databases
PostgreSQL
Frontend
Vue.js
Angular
React.js
DevOps
Rest API
CI/CD
Git
Design
Figma
+4
Apply

Exegy

exegy.com
exegy.com • HQ: Saint Louis, United States • Hedge Funds & Alternative Investments • Financial Services • Data & Analytics • Online Brokerage & Trading Platforms • Financial Data & Market Intelligence • 201-500 employees • Est. 2003 • Hiring 5, 1 new
HQ: Saint Louis, United States • Hedge Funds & Alternative Investments • Financial Services • Data & Analytics • Online Brokerage & Trading Platforms • Financial Data & Market Intelligence • 201-500 employees • Est. 2003 • Hiring 5, 1 new
Exegy is a provider of unified solutions across the capital markets ecosystem. Learn more about our award-winning products.
No named decision-maker yet.
No careers mailbox known
Verified live · 2 hours ago Visa sponsor 1 month ago Long shot · 23%

Software Engineer Intern

Intern • Hybrid (Saint Louis, United States) • Bachelor's Degree • Internship • Intern
C++
Python
DevOps
GitLab
Jenkins
Linux
CI/CD
Management
Agile
Apply

FS-Curtis

fscurtis.com
fscurtis.com • HQ: Saint Louis, United States • Industrial Machinery • 51-200 employees • Hiring 5
HQ: Saint Louis, United States • Industrial Machinery • 51-200 employees • Hiring 5
Since 1854, we have manufactured rugged rotary screw and reciprocating air compressors in the USA, built for long-lasting power and reliability.
No named decision-maker yet.
No careers mailbox known
Verified live · 1 hour ago 1 month ago Long shot · 16%

Design & Product Engineer II

≈ $96k – $190k per year (Estimated) • Middle • 1+ year exp • In office (Saint Louis, United States) • Relocation • Bachelor's Degree • Full-Time • Middle
PHP
PHP
WordPress
Design
Adobe Photoshop
Adobe Illustrator
AutoCAD
Apply

Brillio

brillio.com
brillio.com • HQ: Edison, United States • Cloud Consulting & Migration • AI Consulting & Integration • Data Engineering & Migration Services • IT Consulting & Digital Transformation • 501-1000 employees • Est. 2014 • IT services • Trust B • Hiring 175, 4 new
HQ: Edison, United States • Cloud Consulting & Migration • AI Consulting & Integration • Data Engineering & Migration Services • IT Consulting & Digital Transformation • 501-1000 employees • Est. 2014 • IT services • Trust B • Hiring 175, 4 new
Brillio is an American digital technology services company founded in 2014 that works on data engineering, cloud modernisation, customer experience platforms and applied artificial intelligence for large enterprises. Its clients are concentrated in banking and financial services, healthcare, technology and retail, and it positions itself around building and running digital products rather than the traditional labour-arbitrage outsourcing model. Headquartered in Edison, New Jersey with its largest delivery base in India, it is backed by Bain Capital and employs several thousand engineers across the United States, India, Mexico and Europe.
No named decision-maker yet.
Careers mailbox is known
Verified live · 3 hours ago Visa sponsor 1 month ago Long shot · 22%

Amazon Connect Developer- R01570794

$160k – $166k per year • Staff+ • 10+ years exp • Saint Louis • Remote (United States) • Bachelor's Degree • Staff
Node JS
Java
Python
JavaScript
Databases
DynamoDB
DevOps
CloudFormation
AWS Lambda
Amazon CloudWatch
Amazon Kinesis
API Gateway
Amazon S3
Incident Management
Jenkins
Terraform
Git
CI/CD
AWS
Cybersecurity
HIPAA
Management
ServiceNow
+11
Apply

CEdge

cedgecorp.com
cedgecorp.com • Reston • Saint Louis • Springfield • Boston • Norfolk • IT Consulting & Digital Transformation • 51-200 employees • Trust C • Hiring 19, 1 new
Reston • Saint Louis • Springfield • Boston • Norfolk • IT Consulting & Digital Transformation • 51-200 employees • Trust C • Hiring 19, 1 new
A premier IT software consulting firm, CEdge provides technology services to federal and state governments, as well as commercial enterprises across the U.S.
No named decision-maker yet.
Careers mailbox is known
Verified live · 1 hour ago 2 months ago Long shot · 12%

Jr Software Developer

≈ $82k – $167k per year (Estimated) • Junior • 1+ year exp • In office (Saint Louis, United States) • Bachelor's Degree • Full-Time • Secret • Junior
Node JS
JavaScript
SQL
Frontend
React.js
DevOps
Docker
CI/CD
Management
Scrum
Agile
Apply
Likely inactiveVerified live · 1 hour ago 4 months ago Long shot · 6%

Integration & API Developer (Supporting)

≈ $89k – $176k per year (Estimated) • Middle • 3+ years exp • In office (Saint Louis, United States) • Full-Time • Middle
C#
C#
ASP.NET Core
Databases
Oracle
DevOps
SOAP
Rest API
Windows
Azure
Management
Service Desk
Apply
kvc.org • HQ: Olathe, United States • Pediatric Care • Nonprofits & Foundations • 1001-5000 employees • Est. 2019 • Trust B • Hiring 41, 5 new
HQ: Olathe, United States • Pediatric Care • Nonprofits & Foundations • 1001-5000 employees • Est. 2019 • Trust B • Hiring 41, 5 new
KVC Health Systems is a nonprofit that strengthens families, prevents child abuse and neglect, and helps both children and adults achieve mental wellness. Its job ads seek maintenance technicians, cooks, quality assurance specialists, practicum student therapists and operations directors in Missouri and Kansas. The organization is headquartered in Olathe, Kansas, United States.
No named decision-maker yet.
Careers mailbox is known
Verified live · 3 hours ago 2 months ago Long shot · 6%

Case Manager PHP IOP

≈ $72k – $154k per year (Estimated) • In office (Saint Louis, United States) • Bachelor's Degree • Full-Time
PHP
Apply

Scale AI

scale.com
scale.com • HQ: San Francisco, United States • LLM & Generative AI • AI Evaluation & Observability • AI Training Data & Annotation • 1001-5000 employees • Est. 2016 • Trust B • Hiring 161, 4 new
HQ: San Francisco, United States • LLM & Generative AI • AI Evaluation & Observability • AI Training Data & Annotation • 1001-5000 employees • Est. 2016 • Trust B • Hiring 161, 4 new
Scale AI is an American company founded in San Francisco in 2016 that supplies the training data, evaluation and tooling behind large artificial intelligence systems. It began with human-labelled annotation for autonomous driving and computer vision, then expanded into reinforcement learning from human feedback, expert data generation, model evaluation and full-stack deployment platforms for enterprises and governments. In 2025 Meta acquired a large minority stake and hired co-founder Alexandr Wang, after which the company continued under new leadership serving defence, public sector and commercial customers.
Jason Droege · Chief Executive Officer · decision-maker
Lucy Guo · Co-Founder · founder
Alexandr Wang · Co-Founder & former Chief Executive Officer · founder
No careers mailbox known
Top 25% payVerified live · 1 hour ago 3 months ago Likely open · 48%

Senior Mission Software Engineer, Public Sector

$223k – $279k per year • Equity • Senior • 5+ years exp • In office (Austin, Colorado Springs, Honolulu, Omaha, Saint Louis, United States) • Relocation • Full-Time • TS/SCI • Senior
TypeScript
Python
DevOps
Terraform
Docker
Linux
GCP
Kubernetes
Azure
AWS
Analytics
ETL/ELT
+2
Apply
Top 25% payVerified live · 1 hour ago 7 months ago Long shot · 20%

Staff Software Engineer, Public Sector

$252k – $362k per year • Equity • Staff+ • In office (San Francisco, New York, Washington, Saint Louis, United States) • Full-Time • Staff
LLM Guardrails
AI Agents
Agentic Workflows
Prompt Engineering
RAG
DevOps
Docker
GCP
Kubernetes
Azure
AWS
Analytics
ETL/ELT
+3
Apply
Top 25% payVerified live · 1 hour ago 7 months ago Long shot · 9%

Software Engineer, ARC Team

$184k – $259k per year • Equity • In office (San Francisco, New York, Washington, Saint Louis, United States) • Full-Time
Scale AI
DevOps
Terraform
Docker
GCP
Kubernetes
Azure
AWS
Cybersecurity
FedRAMP
Apply
rgi-corp.com • HQ: Fairfax, United States • Military • National Security • Homeland Security • Trust B • Hiring 17, 2 new
HQ: Fairfax, United States • Military • National Security • Homeland Security • Trust B • Hiring 17, 2 new
RGi is a leading C5ISR innovator and geospatial expert in National Security. We deliver an Immediate Impact™ for soldiers and analysts.
No named decision-maker yet.
Careers mailbox is known
Open 94 daysVerified live · 2 hours ago 3 months ago Long shot · 6%

Full Stack Software Engineer

≈ $92k – $183k per year (Estimated) • Middle • 4+ years exp • In office (Saint Louis, United States) • Master's Degree • Full-Time • TS/SCI • Middle
C#
TypeScript
JavaScript
Python
Frontend
Redux
npm
Sass
React.js
DevOps
CloudFormation
AWS Lambda
Amazon EC2
GitLab
Rest API
Windows
CI/CD
AWS
Management
Confluence
Jira
Agile
+11
Apply
Open 208 daysVerified live · 2 hours ago 7 months ago Long shot · 4%

Software Engineer

≈ $129k – $238k per year (Estimated) • Senior • 6+ years exp • In office (Chantilly, Saint Louis, United States) • Bachelor's Degree • Full-Time • TS/SCI • Senior
Go
Node JS
JavaScript
SQL
Python
TypeScript
Java
Python
Flask
Django
Java
Spring Boot
Databases
Oracle
PostGIS
ElasticSearch
OpenSearch
MySQL
PostgreSQL
Frontend
Vue.js
Svelte
JQuery
Angular
React.js
DevOps
CloudFormation
GitLab CI
Amazon EC2
Amazon S3
Jenkins
Terraform
Rest API
Windows
Git
Docker
Linux
Kubernetes
Azure
CI/CD
AWS
Cybersecurity
Keycloak
SonarQube
Management
Agile
SpaceTech
GeoServer
+32
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Nidec

nidec.com
nidec.com • HQ: Kyoto, Japan • Motors, Drives & Motion Control • 5000+ employees • Est. 1973 • Trust B • Hiring 242, 22 new
HQ: Kyoto, Japan • Motors, Drives & Motion Control • 5000+ employees • Est. 1973 • Trust B • Hiring 242, 22 new
Nidec is a Japanese manufacturer of electric motors, from small precision motors for hard disk drives and electronics to automotive, appliance, commercial and industrial motors, drives and generators. Founded in 1973 by Shigenobu Nagamori, it has grown through many acquisitions and operates plants across Asia, Europe and the Americas. Its US openings include assemblers, machine operators, buyers and applications engineers. The company is headquartered in Kyoto, Japan.
No named decision-maker yet.
Careers mailbox is known
Verified live · 10 hours ago Visa sponsor 3 months ago Long shot · 8%

Software Engineer I

≈ $76k – $155k per year (Estimated) • Junior • In office (Saint Louis, United States) • Full-Time • Junior
Visual Basic
C#
C++
Java
SQL
Apply

ZayZoon

zayzoon.com
zayzoon.com • HQ: Calgary, Canada • Buy Now, Pay Later • HR & Payroll Software • 51-200 employees • Est. 2014 • Startup • Hiring 2
HQ: Calgary, Canada • Buy Now, Pay Later • HR & Payroll Software • 51-200 employees • Est. 2014 • Startup • Hiring 2
On-demand pay and engagement for deskless workplaces. Fast, simple activation with 300+ payroll and HCM integrations. No cost for employers.
No named decision-maker yet.
No careers mailbox known
Verified live · 3 hours ago 4 months ago Long shot · 20%

Staff Engineer

≈ $107k – $190k per year (Estimated) • Staff+ • 6+ years exp • Calgary • Orlando • Edmonton • Scottsdale • Pittsburgh • Remote (United States, Canada) • Full-Time • Staff
SQL
Ruby
Ruby
Ruby on Rails
DevOps
AWS
Cybersecurity
SOC 2
OWASP
Analytics
ETL/ELT
Management
Agile
Apply

The Cigna Group

thecignagroup.com
thecignagroup.com • HQ: Bloomfield, United States • Pharmacies • Health Insurance & Benefits • 5000+ employees • Est. 1982 • NYSE: CI • Trust A • Hiring 350, 49 new
HQ: Bloomfield, United States • Pharmacies • Health Insurance & Benefits • 5000+ employees • Est. 1982 • NYSE: CI • Trust A • Hiring 350, 49 new
The Cigna Group is an American health services company whose insurance roots go back to 1792 and whose modern form dates from the 1982 merger that created Cigna. Its business is now dominated by Evernorth, the health services arm containing the pharmacy benefit manager Express Scripts, specialty pharmacy, care delivery and behavioural health, while Cigna Healthcare sells commercial medical benefits to employers in the United States and internationally. Headquartered in Bloomfield, Connecticut and listed on the New York Stock Exchange, it exited the Medicare Advantage business in 2025 to concentrate on employer benefits and pharmacy services.
Brian Evanko · President and Chief Operating Officer · decision-maker
David Cordani · Chairman and Chief Executive Officer · decision-maker
No careers mailbox known
Open 139 days 4 months ago Long shot · 4%

Software Engineering Senior Advisor- Hybrid

≈ $93k – $218k per year (Estimated) • Senior • 4+ years exp • Hybrid (Saint Louis, United States) • Bachelor's Degree • Full-Time • Senior
C#
TypeScript
JavaScript
SQL
C#
ASP.NET Core
AI/ML
ML.NET
Frontend
Bootstrap
JQuery
Angular
Analytics
Tableau
Management
Waterfall
Scrum
+4
Apply

Agile Defense

agiledefense.com
agiledefense.com • HQ: McLean, United States • Digital Government • Managed Security • Cloud Consulting & Migration • IT Consulting & Digital Transformation • 1001-5000 employees • Est. 1998 • Trust B • Hiring 131, 15 new
HQ: McLean, United States • Digital Government • Managed Security • Cloud Consulting & Migration • IT Consulting & Digital Transformation • 1001-5000 employees • Est. 1998 • Trust B • Hiring 131, 15 new
Agile Defense is an American government technology services company that has grown rapidly through acquisition into a mid-tier federal contractor, backed by the private equity firm Enlightenment Capital. It provides digital transformation, cloud and infrastructure services, cyber operations, artificial intelligence and mission support to defence, intelligence and civilian agencies, largely through cleared staff embedded with government programme offices. Headquartered in McLean, Virginia, it competes in the segment between the very large primes and the small business set-aside contractors, where consolidation has been rapid.
No named decision-maker yet.
Careers mailbox is known
Open 199 daysVerified live · 2 hours ago 6 months ago Long shot · 6%

Software Engineer III

$140k – $145k per year • Middle • 5+ years exp • In office (Saint Louis, United States) • Bachelor's Degree • Full-Time • TS/SCI • Middle
C#
SQL
C++
C#
xUnit
.NET
DevOps
Windows Server
Azure DevOps
Windows
Azure
CI/CD
Management
Jira
Agile
+4
Apply
triglocon.com • Saint Louis • Charleston • San Antonio • Norfolk • Travis Air Force Base • Management Consulting • 201-500 employees • Trust D • Hiring 30, 2 new
Saint Louis • Charleston • San Antonio • Norfolk • Travis Air Force Base • Management Consulting • 201-500 employees • Trust D • Hiring 30, 2 new
Trinity Global Consulting, known as TriGloCon, is a consulting and contracting firm that supports government clients with contract management and technical services. Its postings include contract managers, software integration engineers, transportation management leads and clerks at locations such as Chantilly and San Antonio. The company is based in the United States.
No named decision-maker yet.
Careers mailbox is known
Likely inactiveVerified live · 3 hours ago 9 months ago Long shot · 6%

Senior Software Engineer

≈ $119k – $219k per year (Estimated) • Senior • In office (Saint Louis, Springfield, United States) • Bachelor's Degree • Full-Time • Senior
Linux
SpaceTech
MBSE
Apply

Latitude Inc.

latitudeinc.net
latitudeinc.net • HQ: Hanover, United States • IT Staffing & Staff Augmentation • Recruiting & Staffing • 1001-5000 employees • Trust D • Hiring 275
HQ: Hanover, United States • IT Staffing & Staff Augmentation • Recruiting & Staffing • 1001-5000 employees • Trust D • Hiring 275
Latitude Inc. is a staffing and government services firm headquartered in Hanover, Maryland, near Baltimore, that provides consulting, contract, contract-to-hire and permanent placement across information technology, engineering, bioscience, manufacturing, and accounting and finance. The small business, whose managers cite over 35 years of consulting experience, also supports public-sector programs, places cleared consultants and has offices in Orlando and Indialantic, Florida. Its postings are mostly for client roles such as electricians, manufacturing, quality and mechanical engineers, cleared cable engineers, service desk technicians and financial analysts.
No named decision-maker yet.
No careers mailbox known
Likely inactiveTop 25% pay 1 year ago Long shot · 2%

Back End Software Engineer (Top Secret Cleared)

$140k – $200k per year • In office (Saint Louis, United States) • Full-Time • Top Secret
C#
Java
SQL
Python
DevOps
CI/CD
Apply

Object Computing

objectcomputing.com
objectcomputing.com • HQ: Saint Louis, United States • Custom Software Development • 201-500 employees • Est. 1993 • Trust B • Hiring 6
HQ: Saint Louis, United States • Custom Software Development • 201-500 employees • Est. 1993 • Trust B • Hiring 6
Object Computing partners with enterprises to build software that delivers lasting value, turning complex technology challenges into measurable outcomes.
No named decision-maker yet.
Careers mailbox is known
Open 502 daysVerified live · 2 hours ago Visa sponsor 1 year ago Long shot · 9%

On Site - St. Louis MO - Senior Software Engineer

≈ $118k – $217k per year (Estimated) • Senior • In office (Saint Louis, United States) • Full-Time • Nationals only • Senior
Bash
PowerShell
C++
Java
Python
C++
Doxygen
DevOps
Docker
Linux
CI/CD
Chips/EDA
PetaLinux
Management
UML
Confluence
+4
Apply

INflow Federal

inflowfed.com
inflowfed.com • HQ: Ashburn, United States • 51-200 employees • Est. 2013 • Trust C • Hiring 19, 1 new
HQ: Ashburn, United States • 51-200 employees • Est. 2013 • Trust C • Hiring 19, 1 new
Careers Open Positions Benefits Values Contact OurValues Careers OpenPositions ContactUs Build the People. Win the Mission.
No named decision-maker yet.
No careers mailbox known
Likely inactiveVerified live · 19 min ago 2 years ago Long shot · 4%

Software Developer | Military Veterans

≈ $111k – $238k per year (Estimated) • In office (Springfield, Saint Louis, United States) • TS/SCI
Ruby
JavaScript
Python
DevOps
Git
GCP
Azure
CI/CD
AWS
Apply
Machines can read this selection · checked 21:40 UTC
Backend Developer Salary in Saint Louis
Frequently asked questions
How many Backend Developer jobs in Saint Louis are available on Alion?
There are currently 68 active listings from 31 hiring companies on Alion, refreshed daily.
What salary do Backend Developer jobs in Saint Louis pay?
The average salary is around $188,564 per year based on the current listings.
Are remote options available for Backend Developer jobs in Saint Louis?
Yes, many of these roles offer remote or hybrid work, and you can filter listings by remote, relocation and visa sponsorship.
How do I apply for Backend Developer jobs in Saint Louis?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.