Senior Backend Developer Jobs

Senior Backend Developer jobs hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $184,343/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

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

Cloudflare

cloudflare.com
cloudflare.com · HQ: San Francisco, United States · Cloud Security · DNS Services · Web Security & DDoS Protection · CDN & Edge Delivery · 1001-5000 employees · Est. 2009 · Trust B · Hiring 438, 40 new
HQ: San Francisco, United States · Cloud Security · DNS Services · Web Security & DDoS Protection · CDN & Edge Delivery · 1001-5000 employees · Est. 2009 · Trust B · Hiring 438, 40 new
Cloudflare is an American internet infrastructure company founded in 2009 that operates a global network sitting in front of a large share of the world's websites and applications. Traffic passing through it is cached, accelerated and filtered for attacks, and the same network now runs a zero trust access product for corporate applications, a serverless compute platform called Workers, object storage without egress fees, and a developer platform for databases, queues and artificial intelligence inference. Headquartered in San Francisco and listed on the New York Stock Exchange, it publishes widely read research on internet traffic patterns and attack trends.
Top 25% payVerified live · 2 hours ago 2 days ago Likely open · 63%

Senior Software Engineer - Kubernetes platform

$194k – $266k per year · Equity · Senior · Hybrid (Atlanta, United States) · Senior
Bash
TypeScript
Databases
ElasticSearch
Redis
DevOps
Consul
Envoy
etcd
Cloudflare
cdk8s
KubeVirt
Linux
Kubernetes
Kibana
ArgoCD
SaltStack
Configuration Management
Prometheus
Ansible
DNS
CI/CD
Cybersecurity
Calico
+13
Apply
Verified live · 2 hours ago 3 days ago Likely open · 63%

Senior Software Engineer - ZTC

$74k – $92k per year · Equity · Senior · In office (Austin, United States) · Senior
Rust
Databases
ClickHouse
DevOps
Cloudflare
SaltStack
Prometheus
DNS
Linux
Cybersecurity
Zero Trust
Apply
Verified live · 2 hours ago 16 days ago Likely open · 63%

Senior Software Engineer, Agentic Commerce

≈ $25k – $59k per year (Estimated) · Equity · Senior · Hybrid (Lisbon, Portugal) · Senior
Rust
TypeScript
JavaScript
AI/ML
AI Agents
Galileo
DevOps
Cloudflare
DNS
Web3
Smart Contracts
Apply

1Password

1password.com
1password.com · HQ: Toronto, Canada · Internet Security Services · Identity Management · 51-200 employees · Est. 2005 · Trust A · Hiring 73, 6 new
HQ: Toronto, Canada · Internet Security Services · Identity Management · 51-200 employees · Est. 2005 · Trust A · Hiring 73, 6 new
1Password is a cybersecurity and software company headquartered in Toronto, Canada, and founded in 2005. The company develops a password management platform that allows users to store and manage sensitive information including login credentials, credit card details, and secure notes across multiple devices. It serves millions of individual users and over 150,000 businesses worldwide, offering enterprise-grade security features such as single sign-on integration and automated secrets management for developers.
Verified live · 1 hour ago 2 days ago Hiring now · 90%

Senior Developer, Trust Platforms

Equity · Senior · 5+ years exp · Hybrid · Full-Time · Senior
Rust
Go
AI/ML
Machine Learning
AI Agents
DevOps
Kubernetes
AWS
Apply

MindWave

mindwave.com
mindwave.com · HQ: Brussels, Belgium · Blockchain & Crypto · Est. 2018 · Likely startup · Hiring 5, 3 new
HQ: Brussels, Belgium · Blockchain & Crypto · Est. 2018 · Likely startup · Hiring 5, 3 new
Only experts. Engaged your way.. MindWave is a senior-only software expertise partner, connecting organizations with expert-level professionals across open-source Java engineering, front-end, DevOps, Agile delivery, specialist domains including AI, blockchain, and business applications such as SAP.
Verified live · 4 hours ago 2 days ago Hiring now · 86%

Senior .NET Developer

Senior · Hybrid (Brussels, Belgium) · Contractor · Senior · English: C2
C#
SQL
C#
Blazor
.NET
Mobile
Xamarin
DevOps
Azure DevOps
Git
Docker
Kubernetes
Azure
CI/CD
+3
Apply
empresometro.com.br · HQ: Curitiba, Brazil · Data Providers & Datasets · Hiring 3, 3 new
HQ: Curitiba, Brazil · Data Providers & Datasets · Hiring 3, 3 new
Com os dados do empreSômetro você será capaz de entender, analisar, decidir e lucrar. Entenda o preço médio praticado do seu mercado e garanta competitividade e sustentabilidade.
2 days ago Hiring now · 90%

Desenvolvedor de Software Sênior

Senior · In office (Curitiba, Brazil) · Contractor · Senior
C#
Java
SQL
Java
Maven
Gradle
Spring Boot
C#
.NET
Databases
RabbitMQ
Google BigQuery
MySQL
Apache Kafka
PostgreSQL
Mobile
Clean Architecture
DevOps
Google GKE
Google Cloud Run
Rest API
Docker
GCP
Kubernetes
Azure
CI/CD
AWS
+14
Apply

KCS IT

kcsit.pt
kcsit.pt · HQ: Lisbon, Portugal · Custom Software Development · IT Consulting & Digital Transformation · Hiring 35, 10 new
HQ: Lisbon, Portugal · Custom Software Development · IT Consulting & Digital Transformation · Hiring 35, 10 new
KCS IT is a Portuguese IT consultancy that combines business strategy, marketing focus, design thinking and technology to build multi-channel digital experiences. It hires ServiceNow, Python, Java, .NET and React developers as well as business analysts and project managers. The company is headquartered in Lisbon, Portugal.
2 days ago Hiring now · 90%

Full Stack Developer Java + React

Senior · Hybrid (Porto, Portugal) · Full-Time
TypeScript
JavaScript
Java
Java
Spring Boot
Databases
Redis
MySQL
PostgreSQL
Frontend
React.js
DevOps
Git
Rest API
+2
Apply
5 days ago Hiring now · 90%

Fullstack developer

Senior · 5+ years exp · Hybrid (Lisbon, Portugal) · Full-Time · Senior
TypeScript
JavaScript
Node JS
Node JS
Nest.JS
Frontend
Next.js
React.js
Apply
10 days ago Hiring now · 80%

.Net developer with WPF

≈ $34k – $88k per year (Estimated) · Senior · 5+ years exp · Hybrid (Lisbon, Portugal) · Full-Time · Senior
C#
SQL
C#
.NET
Databases
RabbitMQ
Apache Kafka
PostgreSQL
DevOps
Git
Rest API
Docker
Azure
CI/CD
AWS
Management
Jira
Scrum
Agile
+7
Apply
1826.sg · Singapore · Automotive Manufacturing · Retail & Shop Systems · Hiring 1, 1 new
Singapore · Automotive Manufacturing · Retail & Shop Systems · Hiring 1, 1 new
Discover BYD Singapore with BYD by 1826. Explore BYD electric cars, compare BYD models, book test drives, and visit our BYD showrooms across Singapore.
EP salary 2 days ago Hiring now · 86%

Senior Full-Stack Engineer

$94k – $112k per year (gross) · Senior · 5+ years exp · In office (Singapore) · Full-Time · Senior
Node JS
TypeScript
JavaScript
SQL
Databases
DynamoDB
Amazon Aurora
MySQL
PostgreSQL
Frontend
Vue.js
Angular
React.js
DevOps
AWS CDK
AWS Lambda
Amazon CloudWatch
Amazon EventBridge
AWS Step Functions
API Gateway
IAM
CI/CD
AWS
Cybersecurity
Microsoft Entra ID
QA
Playwright
+14
Apply
Report

Neutron

neutron.sg
neutron.sg · HQ: Singapore · Digital Marketing · Web Development Services · Est. 2018 · Hiring 9, 3 new
HQ: Singapore · Digital Marketing · Web Development Services · Est. 2018 · Hiring 9, 3 new
About Hi there, We are Neutron! Our story Established in 2018, Neutron quickly rose to prominence as a leader in enterprise-level e-commerce, destination digita.
EP salary 2 days ago Hiring now · 90%

Fullstack Engineer (AI Platform)

$65k – $75k per year (gross) · Senior · 6+ years exp · In office (Singapore) · Contractor
C#
TypeScript
JavaScript
Python
AI/ML
Function Calling
Gemini
OpenAI Codex
Agentic Workflows
Cursor
Model Context Protocol
ChatGPT
Claude Code
Copilot
RAG
LLM
AI Agents
Frontend
Vue.js
Angular
React.js
DevOps
Git
Rest API
GCP
Azure
CI/CD
AWS
Cybersecurity
Microsoft Entra ID
+18
Apply
EP salary 4 days ago Hiring now · 90%

Senior Full Stack Engineer

$65k – $75k per year (gross) · Senior · 5+ years exp · In office (Singapore) · Full-Time · Senior
Node JS
TypeScript
JavaScript
Node JS
Nest.JS
Databases
MySQL
PostgreSQL
AI/ML
OpenAI Codex
Claude Code
Copilot
AI Agents
Frontend
GraphQL
React.js
DevOps
Rest API
Docker
Azure
CI/CD
AWS
Management
Agile
+10
Apply
17 days ago Likely open · 68%

Backend Engineer

$61k – $65k per year (gross) · Senior · 6+ years exp · In office (Singapore) · Contractor · Senior
TypeScript
Java
SQL
Kotlin
Java
Spring Boot
Kotlin
Mockito
Databases
MySQL
PostgreSQL
Mobile
JUnit
DevOps
Git
Rest API
Docker
CI/CD
+5
Apply
tescom-apac.com · HQ: Singapore · Information Technology · Software Testing & QA · Est. 1997 · Hiring 11, 2 new
HQ: Singapore · Information Technology · Software Testing & QA · Est. 1997 · Hiring 11, 2 new
Headquartered in Singapore, with regional operations extending to Australia, Tescom APAC (operating officially as Tescom Singapore Software Systems Testing Pte. Ltd.) is an independent IT professional services consultancy specializing in software quality assurance (QA), test engineering, and cybersecurity. Established in 1997 as the regional division of the global Tescom brand (originally founded in 1990), the firm delivers an end-to-end testing suite spanning manual functional testing, continuous test automation, performance and load benchmarking, usability evaluations, and independent Software Quality Assurance (SQA) audits.
EP salary 2 days ago Hiring now · 90%

Senior Software Engineer

$70k – $94k per year (gross) · Senior · 7+ years exp · In office (Singapore) · Full-Time · Senior
C#
C#
.NET
Databases
MS SQL
DevOps
Git
Rest API
Azure
CI/CD
Analytics
Power BI
Management
Scrum
Agile
MedTech
CAPA
+3
Apply
24 days ago Likely open · 55%

Software Developer

$56k – $61k per year (gross) · Senior · 5+ years exp · In office (Singapore) · Contractor · Senior
SQL
Java
JavaScript
Java
Apache Tomcat
Spring Boot
Databases
Oracle
Frontend
React.js
DevOps
Amazon EKS
Amazon EC2
Amazon ECS
Amazon CloudWatch
Amazon S3
AWS
Kubernetes
+6
Apply

The Aspen Group

teamtag.com
teamtag.com · HQ: Chicago, United States · Aesthetic Medicine & Plastic Surgery · Urgent & Emergency Care · Dental Clinics · 1001-5000 employees · Trust B · Hiring 39, 6 new
HQ: Chicago, United States · Aesthetic Medicine & Plastic Surgery · Urgent & Emergency Care · Dental Clinics · 1001-5000 employees · Trust B · Hiring 39, 6 new
The Aspen Group is a retail healthcare business support organization that backs independent practice owners and clinicians in dental care, urgent care, medical aesthetics and veterinary care. It supports 15,000 healthcare professionals and team members at more than 1,000 health and wellness offices in 46 states. The company is headquartered in Chicago, Illinois, United States.
Verified live · 3 hours ago 2 days ago Hiring now · 90%

Senior Software Engineer

$166k per year · Senior · 3+ years exp · In office (Chicago, United States) · Bachelor's Degree · Full-Time · Senior
Ruby
C#
SQL
Python
Databases
PostgreSQL
DevOps
Splunk
Git
Docker
CI/CD
AWS
Cybersecurity
HIPAA
Management
Jira
+4
Apply

Foresight

foresight.works
foresight.works · London · New York · San Francisco · Montreal · Venture Capital · Predictive Analytics · 51-200 employees · Hiring 11, 4 new
London · New York · San Francisco · Montreal · Venture Capital · Predictive Analytics · 51-200 employees · Hiring 11, 4 new
Eliminate surprises in data center projects. Foresight helps executives and teams predict delays, reduce risk, and deliver on time, every time.
Top 25% payVerified live · 3 hours ago Sponsors in UK 2 days ago Hiring now · 86%

Senior Full Stack Engineer

$180k – $230k per year · Senior · In office (New York, San Francisco, United States, Montreal, Canada) · Full-Time · Senior
TypeScript
Python
JavaScript
Python
SQLAlchemy
FastAPI
Django
Databases
PostgreSQL
pgvector
AI/ML
Embeddings
LLM
AI Agents
Frontend
React.js
DevOps
Amazon S3
AWS
AWS Step Functions
Terraform
CI/CD
Cybersecurity
SOC 2
+10
Apply

HP

hewlett-packard.de
hewlett-packard.de · HQ: Palo Alto, United States · Printers & Scanners · Laptops · 5000+ employees · Est. 1939 · Trust B · Hiring 1018, 127 new
HQ: Palo Alto, United States · Printers & Scanners · Laptops · 5000+ employees · Est. 1939 · Trust B · Hiring 1018, 127 new
HP is a technology company headquartered in Palo Alto, California, that designs and sells personal computers, workstations, printers, print supplies, 3D printing systems and related software and services for consumers and businesses. It is the legal successor of the original Hewlett-Packard, founded in 1939, which in 2015 split its PC and printing business from Hewlett Packard Enterprise; it is listed on the New York Stock Exchange and operates research, manufacturing and support sites worldwide. It hires channel and partner managers, printing service and support engineers, product and quality program managers, ink chemists, software security engineers, and finance and HR interns.
Top 25% payVerified live · 2 hours ago Sponsors in UK 2 days ago Likely open · 63%

Expert Product Engineer

$116k – $182k per year · Senior · 10+ years exp · In office (Corvallis, United States) · Relocation · Bachelor's Degree · Full-Time · Senior
Apply
Verified live · 2 hours ago Sponsors in UK 3 days ago Likely open · 63%

Software Applications Engineer 4

$72k – $111k per year · Senior · 10+ years exp · In office (Vancouver, Mississauga, Canada) · Relocation · Bachelor's Degree · Full-Time · Senior
JavaScript
SQL
DevOps
AWS
Kubernetes
Management
Agile
Apply
Verified live · 2 hours ago Sponsors in UK 4 days ago Likely open · 63%

Software Engineer 4

Senior · 7+ years exp · In office (Bengaluru, India) · Relocation · Bachelor's Degree · Full-Time · Senior
C++
JavaScript
Python
AI/ML
OpenCL
DevOps
Wi-Fi
Management
Agile
Apply

Brack.Alltron

brackalltron.ch
brackalltron.ch · HQ: Mägenwil, Switzerland · B2B Commerce · E-commerce Platforms · 1001-5000 employees · Hiring 13, 9 new
HQ: Mägenwil, Switzerland · B2B Commerce · E-commerce Platforms · 1001-5000 employees · Hiring 13, 9 new
Brack.Alltron is a Swiss online retail and trading group with about 1,300 employees and annual turnover above one billion. Its teams build online shops, ERP and digital analytics platforms and hire software engineers, product managers and enterprise architects. The company is headquartered in Mägenwil, Switzerland.
2 days ago Hiring now · 86%

Senior Software Engineer (Java)

Senior · In office (Mägenwil, Switzerland) · Full-Time · Senior
Java
Python
Java
Spring Boot
Databases
RabbitMQ
Apache Kafka
AI/ML
AI Agents
Claude Code
Copilot
Mobile
Clean Architecture
Dependency Injection
DevOps
CI/CD
Management
Kanban
Scrum
+5
Apply
12 days ago Likely open · 60%

Senior Software Engineer – AI Focus

$80k – $107k per year · Senior · 10+ years exp · Kraków · Warsaw · Remote (Poland) · Contractor · Senior
Java
JavaScript
AI/ML
Model Context Protocol
Claude Code
AI Agents
Frontend
React.js
DevOps
CI/CD
Apply

CubX

cubx.com
cubx.com · HQ: Lakewood, United States · Managed IT Services (MSP) · Hiring 7, 7 new
HQ: Lakewood, United States · Managed IT Services (MSP) · Hiring 7, 7 new
CubX delivers managed IT services, cybersecurity, Microsoft 365, and desktop & network support in New Jersey and nationwide. IT that works.
Verified live · 17 min ago Visa sponsor 2 days ago Hiring now · 90%

Senior Full Stack Product Engineer

Senior · In office (Lakewood, United States) · Full-Time · Senior
Node JS
TypeScript
JavaScript
AI/ML
OpenAI Codex
Context Engineering
Cursor
Claude Code
Copilot
AI Agents
Function Calling
Structured Outputs
Model Context Protocol
LLM
Frontend
React.js
DevOps
Git
Rest API
Docker
Azure
CI/CD
+11
Apply

MV

mv.com.br
mv.com.br · HQ: Recife, Brazil · Hospital Operations Software · EHR & Clinical Software · Est. 1987 · Hiring 16, 4 new
HQ: Recife, Brazil · Hospital Operations Software · EHR & Clinical Software · Est. 1987 · Hiring 16, 4 new
MV is a Brazilian health technology company founded in 1987 in Recife. Its hospital management and electronic record systems run in hundreds of hospitals and health networks. The company is one of Latin America's largest healthcare software vendors.
2 days ago Hiring now · 90%

ANALISTA SISTEMAS SENIOR

Senior · Brazil · Remote (Brazil) · Contractor · Senior
Apply
11 days ago Hiring now · 80%

DESENVOLVEDOR SENIOR

≈ $42k – $100k per year (Estimated) · Senior · In office (Fortaleza, Brazil) · Full-Time · Senior
Java
SQL
TypeScript
JavaScript
Databases
PostgreSQL
Frontend
Angular
DevOps
SOAP
Git
Rest API
Management
Jira
+2
Apply
1 month ago Fading · 25%

Cópia de DESENVOLVEDOR SÊNIOR

≈ $42k – $98k per year (Estimated) · Senior · 4+ years exp · In office (Recife, Brazil) · Full-Time · Senior
Java
SQL
C#
Java
Hibernate
Spring Boot
C#
.NET
Databases
Oracle
MySQL
DevOps
Git
Management
Kanban
Scrum
+3
Apply

Pontaltech

pontaltech.com.br
pontaltech.com.br · HQ: São Paulo, Brazil · Unified Communications · Conversational AI · Contact Center Software · 11-50 employees · Est. 2011 · Hiring 2, 2 new
HQ: São Paulo, Brazil · Unified Communications · Conversational AI · Contact Center Software · 11-50 employees · Est. 2011 · Hiring 2, 2 new
Pontaltech provides omnichannel communication and voice automation services. Its platform handles messaging, voice campaigns and chatbots. Large Brazilian companies use it for customer notification at scale.
Senior · In office (São Paulo, Brazil) · Contractor · Senior
Node JS
TypeScript
JavaScript
Databases
RabbitMQ
Redis
MySQL
Apache Kafka
AI/ML
AI Agents
Mobile
Clean Architecture
DevOps
gRPC
Helm
Istio
Service Mesh
Git
Rest API
Docker
Kubernetes
AWS
QA
Playwright
+11
Apply

Leonardo

leonardo.com
leonardo.com · HQ: Rome, Italy · C4ISR · Aircraft Manufacturing · Defense Manufacturing · 5000+ employees · Est. 1948 · Trust B · Hiring 683, 65 new
HQ: Rome, Italy · C4ISR · Aircraft Manufacturing · Defense Manufacturing · 5000+ employees · Est. 1948 · Trust B · Hiring 683, 65 new
Leonardo is an Italian aerospace, defence and security group headquartered in Rome that builds helicopters, aircraft, aerostructures, defence electronics, space systems and cyber security solutions. Founded in 1948 as Finmeccanica and renamed in 2017, it is listed in Milan with the Italian state as its largest shareholder, employs more than 50,000 people and has major industrial operations in Italy, the UK, Poland and the US. Its openings span cyber security engineers, systems, software and quality engineers, ground station and test engineers, project managers and customer service officers at sites such as Rome, Edinburgh, Luton, Southampton and Turin.
Verified live · 2 hours ago Visa sponsor 2 days ago Likely open · 63%

Senior Software Engineer

$51k – $67k per year · Senior · Hybrid (Edinburgh, United Kingdom) · Full-Time · Citizenship or vetting required · Senior
C++
C++
CMake
DevOps
Git
Apply
Verified live · 2 hours ago Visa sponsor 6 days ago Likely open · 63%

Senior C++ Software Engineer

$60k – $80k per year · Senior · Hybrid (Edinburgh, United Kingdom) · Full-Time · Citizenship or vetting required · Senior
C++
DevOps
Git
Management
Agile
Apply
Machines can read this selection · checked 10:10 UTC
Senior Backend Developer Jobs
Frequently asked questions
How many Senior Backend Developer jobs are available on Alion?
There are currently 20382 active listings from 8058 hiring companies on Alion, refreshed daily.
What salary do Senior Backend Developer jobs pay?
The average salary is around $184,343 per year based on the current listings.
Are remote options available for Senior Backend Developer jobs?
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 Senior Backend Developer jobs?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.