Senior Backend Developer Jobs

Senior Backend Developer jobs hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $188,902/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

AI/ML
Data Science
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Analytics
Support
Enterprise Apps
Quantum

Skyral

skyral.com
Skyral builds large-scale simulation software that models populations, infrastructure and military scenarios. Spun out of Improbable's defence business in 2023, it lets planners test decisions in synthetic environments. Its customers include defence ministries and government analysis teams.
skyral.com • HQ: London, United Kingdom • Military • Homeland Security • National Security • 51-200 employees • Est. 2023
HQ: London, United Kingdom • Military • Homeland Security • National Security • 51-200 employees • Est. 2023
$94k – $171k per year (Estimated) • Senior • In office • Full-Time • Senior
Python
TypeScript
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Stermedia

stermedia.ai
98% of clients recommend us | Take advantage of our experience in creating artificial intelligence and software development for your project. | Focus: React, Python, AI, Mobile ReactNative, Cloud, DevOps, design. Let's talk!
stermedia.ai • DevOps • Software • Artificial Intelligence • Est. 2009
DevOps • Software • Artificial Intelligence • Est. 2009
Open 158 days 6 months ago

Senior Technical Expert Java

$71k – $106k per year • Senior • Remote (Poland) • Contractor • Senior
Java
TypeScript
JavaScript
Java
Spring Boot
Databases
PostgreSQL
AI/ML
LLM
Semantic Search
Frontend
Angular
DevOps
Amazon EC2
Amazon EKS
AWS
AWS Lambda
CI/CD
Terraform
Kubernetes
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Xapien

xapien.com
Our clients use Xapien's AI for fully automated on-demand research on any person or company in the world, in minutes, not days.
xapien.com • HQ: London, United Kingdom • Analytics Platforms • Cybersecurity • Threat Intelligence
HQ: London, United Kingdom • Analytics Platforms • Cybersecurity • Threat Intelligence
Verified live · 9 hours ago 6 months ago

Senior Backend Engineer

$108k – $176k per year • Senior • 10+ years expRemote/Hybrid (London, United Kingdom) • Full-Time • Senior
Go
Go
Temporal
Databases
Apache Kafka
ElasticSearch
AI/ML
LLM
Edge AI
Gemini
RAG
OpenAI
DevOps
Docker
Grafana
gRPC
Kubernetes
GCP
Prometheus
Rest API
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Isomorphic Labs

isomorphiclabs.com
Isomorphic Labs is a London drug discovery company founded in 2021 as an Alphabet spin-out from Google DeepMind. It applies AlphaFold and successor models to design small molecules and understand protein interactions, aiming to compress preclinical timelines. The company has research collaborations with Eli Lilly and Novartis alongside its own internal pipeline.
isomorphiclabs.com • HQ: London, United Kingdom • Medical AI • Drug Discovery • Pharmaceuticals • Est. 2021
HQ: London, United Kingdom • Medical AI • Drug Discovery • Pharmaceuticals • Est. 2021
Open 159 daysVerified live · 10 hours ago 6 months ago

Senior Software Engineer (Inference Platform), London

$95k – $173k per year (Estimated) • Senior • Remote/Hybrid (London, United Kingdom) • Senior
TPU
DevOps
GCP
Google GKE
Kubernetes
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Marcura

marcura.com
Marcura is a global technology and financial services provider specializing in streamling business operations for the maritime and logistics industries. The company offers digital platforms, automated payment processing, and compliance solutions designed to optimize voyage costs, port expenses, and supplier transactions. By combining industry-specific software with data analytics, it helps shipping operators and charterers increase operational efficiency, minimize financial risks, and improve transparency.
marcura.com • Taguig • London • Dubai • Mumbai • Houston • Transportation & Logistics • Sea Freight • Software
Taguig • London • Dubai • Mumbai • Houston • Transportation & Logistics • Sea Freight • Software
Open 160 days 6 months ago

Senior Back-End Software Engineer

Senior • 5+ years expDubai • Remote (United Arab Emirates, Greece) • Bachelor's Degree • Contractor • Senior
Python
TypeScript
JavaScript
SQL
Python
Django
Django REST Framework
Celery
Databases
ElasticSearch
MS SQL
Neo4j
Redis
AI/ML
AI Agents
Claude
LLM
NLP
PyTorch
Scikit-learn
spaCy
TensorFlow
Transformers
GPT-5
Hugging Face
Frontend
Angular
D3.js
DevOps
Shift-Left
AWS
Azure
CI/CD
GCP
Cybersecurity
GDPR
ISO 27001
Shift-Left Security
Analytics
ETL/ELT
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Dyna Robotics

dynarobotics.com
Dyna Robotics is a robotics foundation model company headquartered in Redwood City, California, and founded in 2024. The company trains general purpose manipulation models that let a single robot arm learn commercial tasks such as folding, packing, and handling from demonstration rather than explicit programming. It targets repetitive physical work in laundries, restaurants, and light manufacturing, and publishes model progress through its DYNA series of releases.
dynarobotics.com • HQ: Redwood City, United States • Multimodal AI • Service & Hospitality Robotics • Robotics AI • Artificial Intelligence • Robotic Software & Control Systems • Robotics • 51-200 employees • Est. 2024
HQ: Redwood City, United States • Multimodal AI • Service & Hospitality Robotics • Robotics AI • Artificial Intelligence • Robotic Software & Control Systems • Robotics • 51-200 employees • Est. 2024
Open 160 daysTop 25% pay 6 months ago

Software Engineer, Data Infra

$180k – $270k per year • Senior • 5+ years expIn office (Redwood City, United States) • Full-Time • Senior
Python
TypeScript
Databases
PostgreSQL
Redis
Amazon Aurora
AI/ML
Multimodal AI
Human-in-the-Loop
Kubeflow
MLFlow
NumPy
Pandas
Weights & Biases
Time Series Forecasting
DevOps
AWS
GCP
Kubernetes
Robotics
Teleoperation
Marketing
Salesforce
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Open 397 daysTop 25% pay 1 year ago

Full-Stack Robotics Software Engineer

$180k – $270k per year • Senior • 5+ years expIn office (Redwood City, United States) • Full-Time • Senior
C++
Python
AI/ML
NumPy
SciPy
DevOps
Rest API
Robotics
Pinocchio
Teleoperation
Imitation Learning
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Tebra

tebra.com
Tebra is a healthcare technology company headquartered in Newport Beach, California, formed in 2021 following the merger of Kareo and PatientPop. The firm develops a comprehensive cloud-based platform that integrates electronic health records, medical billing, patient scheduling, and practice marketing tools for independent healthcare providers. Operating primarily within the United States, the company supports thousands of private practices and billing companies by automating administrative tasks and enhancing patient engagement through AI-driven solutions.
tebra.com • HQ: Newport Beach, United States • Sales & Marketing • Medical AI • Artificial Intelligence • Hospitals & Clinics • Billing & Invoicing • Software • Health Care • Digital Health • Est. 2021
HQ: Newport Beach, United States • Sales & Marketing • Medical AI • Artificial Intelligence • Hospitals & Clinics • Billing & Invoicing • Software • Health Care • Digital Health • Est. 2021
Open 160 daysVerified live · 1 day ago 6 months ago

Senior Software Engineer

Senior • 5+ years expRemote/Hybrid (Heredia, Costa Rica) • Internship • Senior
JavaScript
TypeScript
Java
Java
Lombok
MapStruct
Maven
Spring Boot
Databases
ActiveMQ
Apache Kafka
Redis
AI/ML
ChatGPT
Copilot
LLM
OpenAI Codex
Frontend
Angular
React.js
Mobile
JUnit
DevOps
Rest API
GitHub
QA
TestNG
Apply
Open 160 daysVerified live · 1 day ago 6 months ago

Senior Software Engineer

$131k – $237k per year (Estimated) • Senior • 5+ years expRemote/Hybrid • Internship • Senior
JavaScript
TypeScript
Java
Java
Lombok
MapStruct
Maven
Spring Boot
Databases
ActiveMQ
Apache Kafka
Redis
AI/ML
ChatGPT
Copilot
LLM
OpenAI Codex
Frontend
Angular
React.js
Mobile
JUnit
DevOps
Rest API
GitHub
QA
TestNG
Apply
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IDnow

idnow.io
IDnow is a European identity verification provider offering automated, video-based and electronic identity checks. Founded in 2014 in Munich, it meets the strict regulatory requirements of German and French financial supervision. Its artificial intelligence models detect forged documents and presentation attacks.
idnow.io • HQ: Munich, Germany • Fraud Detection • Financial Services • Cybersecurity • Est. 2014
HQ: Munich, Germany • Fraud Detection • Financial Services • Cybersecurity • Est. 2014
Open 160 daysVerified live · 10 hours ago 6 months ago

Senior Software Engineer – Java (f/m/d)

$76k – $151k per year (Estimated) • Senior • 5+ years expRemote/Hybrid (Berlin, Germany) • Senior
Java
Kotlin
Java
Maven
Spring Boot
Kotlin
Mockito
Databases
Apache Kafka
MySQL
PostgreSQL
RabbitMQ
Mobile
JUnit
DevOps
AWS
CI/CD
Docker
Git
Kubernetes
Apply
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Restream

restream.io
Restream is #1 solution that helps to broadcast live video to all social networks simultaneously. Millions of people around the world use Restream to reach, engage, and monetize their audiences. We're a small and diverse group of dreamers who mak...
restream.io • Austin • Tallinn • Software • Video Production • Media & Entertainment
Austin • Tallinn • Software • Video Production • Media & Entertainment
$69k – $196k per year (Estimated) • Equity • Senior • Remote (Europe) • Full-Time • Senior
Node JS
Rust
TypeScript
JavaScript
Databases
Redis
DevOps
AWS
CI/CD
Docker
Kubernetes
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Band

band.ai
Enterprise-grade interaction infrastructure that enables real-time, multi-peer collaboration between agents and humans through a shared interaction layer with built-in governance.
band.ai • Artificial Intelligence • AI Agents
Artificial Intelligence • AI Agents
Open 160 daysVerified live · 5 hours ago 6 months ago

Senior Engineer – Distributed Systems

Senior • Remote/Hybrid • Full-Time • Senior
C++
Elixir
Go
Rust
Elixir
Phoenix LiveView
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Open 233 daysVerified live · 5 hours ago 8 months ago

Python Developer

Senior • 7+ years expRemote/Hybrid • Full-Time • Senior
Python
Python
Asyncio
AI/ML
AI Agents
AutoGen
AWS Bedrock
LangChain
LLM
OpenAI
DevOps
AWS
Apply
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Accelleron

accelleron.com
Accelleron is a Swiss engineering company headquartered in Baden, established as an independent entity in 2022 following its spin-off from the ABB Group. The firm specializes in the development, manufacturing, and servicing of high-power turbochargers and fuel injection systems for heavy-duty engines. It operates globally across the marine, energy, and rail sectors, maintaining a network of over 100 service stations and providing digital solutions for engine optimization.
accelleron.com • Yokohama • Vadodara • Lagos • Hamburg • Querétaro • Energy Efficiency • Energy & Utilities • Rail Transport • Sea Freight • Transportation & Logistics • Maintenance, Repair & Operations (MRO) • Manufacturing • Industrial Machinery • Est. 2022
Yokohama • Vadodara • Lagos • Hamburg • Querétaro • Energy Efficiency • Energy & Utilities • Rail Transport • Sea Freight • Transportation & Logistics • Maintenance, Repair & Operations (MRO) • Manufacturing • Industrial Machinery • Est. 2022
Open 161 dayVerified live · 3 hours ago 6 months ago

Senior Software Engineer I (.Net, C#, React)

$22k – $57k per year (Estimated) • Senior • In office (Mohali, India) • Full-Time • Senior
C#
SQL
TypeScript
JavaScript
C#
.NET
Databases
InfluxDB
AI/ML
Time Series Forecasting
Frontend
Angular
React.js
Redux
Material UI
npm
Sass
Webpack
Mobile
Ionic
DevOps
Azure
Azure DevOps
CI/CD
Git
Cybersecurity
Microsoft Entra ID
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Open 161 dayVerified live · 3 hours ago 6 months ago

Senior Software Engineer II

$22k – $57k per year (Estimated) • Senior • In office (Mohali, India) • Full-Time • Senior
C#
SQL
TypeScript
JavaScript
C#
.NET
Databases
InfluxDB
AI/ML
Time Series Forecasting
Frontend
Angular
React.js
Redux
Material UI
npm
Sass
Webpack
Mobile
Ionic
DevOps
Azure
Azure DevOps
CI/CD
Git
Cybersecurity
Microsoft Entra ID
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Treasure Financial is a corporate treasury management platform designed to help businesses earn higher yields on their idle cash reserves. It automates cash management by seamlessly routing company funds into safe, high-yielding liquid assets like U.S. Treasury bills and money market funds. By offering enterprise-grade security and real-time visibility, the platform enables finance teams to maximize interest income while keeping operational liquidity easily accessible.
rain.xyz • HQ: New York, United States • Blockchain & Crypto • Stablecoins • Crypto Payments • Est. 2021
HQ: New York, United States • Blockchain & Crypto • Stablecoins • Crypto Payments • Est. 2021
Open 161 dayTop 25% pay 6 months ago

Backend Engineer, AI

$165k – $200k per year • Equity • Senior • 8+ years expIn office (New York, United States) • Full-Time • Staff
Node JS
JavaScript
AI/ML
AI Agents
Function Calling
Structured Outputs
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SharkNinja

sharkninja.com
SharkNinja is a global product design and technology company specializing in innovative small household appliances and consumer electronics. The enterprise develops and markets a wide variety of lifestyle goods under its two primary brands: Shark, focused on floor care, home cleaning, and beauty tools, and Ninja, renowned for kitchen appliances and outdoor cooking equipment.
sharkninja.com • Needham • Miami • Los Angeles • Quebec • Paris • Consumer Goods • Consumer Electronics • Home Appliances • 1001-5000 employees
Needham • Miami • Los Angeles • Quebec • Paris • Consumer Goods • Consumer Electronics • Home Appliances • 1001-5000 employees
Open 161 dayVerified live · 1 hour ago 6 months ago

Senior Mobile Software Engineer

$93k – $168k per year (Estimated) • Senior • In office (London, United Kingdom) • Bachelor's Degree • Senior
Swift
TypeScript
Java
JavaScript
C++
Rust
C++
Protobuf
Java
Gradle
Frontend
React.js
React Query
Mobile
CocoaPods
React Native
DevOps
Git
Apply
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Harness

harness.io
Harness is a unified, end-to-end AI software delivery platform to manage the SDLC using purpose-built AI agents.
harness.io • Bengaluru • San Francisco • Chicago • Raleigh • Tampa • Artificial Intelligence • Information Technology • DevOps • Est. 2016
Bengaluru • San Francisco • Chicago • Raleigh • Tampa • Artificial Intelligence • Information Technology • DevOps • Est. 2016
Open 161 dayVerified live · 1 hour ago 6 months ago

Senior Implementation Engineer

$135k – $224k per year (Estimated) • Senior • 3+ years exp • Remote (United States) • Bachelor's Degree • Senior
Bash
PowerShell
Python
AI/ML
Knowledge Graph
DevOps
AppDynamics
AWS
Azure
Bamboo
Bitbucket
CI/CD
CloudFormation
Dynatrace
FinOps
GCP
Helm
Jenkins
Kubernetes
Kustomize
New Relic
OpenShift
Prometheus
Splunk
TeamCity
Terraform
GitHub
GitLab
Cybersecurity
Sumo Logic
Management
Jira
ServiceNow
Apply
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FlexAI

flex.ai
FlexAI is an artificial intelligence infrastructure company headquartered in Paris, France, and founded in 2023 by former Apple, Intel, and NVIDIA engineers. The company offers workload as a service, abstracting away the specific accelerator so training and inference jobs can run across mixed GPU and alternative silicon without rewriting code. It targets European AI teams that want compute portability and sovereignty rather than lock-in to a single cloud or chip vendor.
flex.ai • HQ: Paris, France • Machine Learning • MLOps • Cloud Computing • Information Technology • Hardware • AI Infrastructure • Artificial Intelligence • Est. 2023
HQ: Paris, France • Machine Learning • MLOps • Cloud Computing • Information Technology • Hardware • AI Infrastructure • Artificial Intelligence • Est. 2023
Open 162 daysVerified live · 1 day ago 6 months ago

Senior Backend Engineer

$109k – $238k per year (Estimated) • Senior • 5+ years expIn office (Santa Clara, United States) • Full-Time • Senior
Go
Python
SQL
Databases
Apache Kafka
Cassandra
DynamoDB
PostgreSQL
Redis
AI/ML
PyTorch
TensorFlow
Edge AI
DevOps
CI/CD
Docker
gRPC
Kubernetes
Platform Engineering
AWS
Azure
GCP
Grafana
OpenTelemetry
Prometheus
Apply
Open 162 daysVerified live · 1 day ago 6 months ago

Senior Full Stack Engineer

$107k – $235k per year (Estimated) • Senior • 5+ years expIn office (Santa Clara, United States) • Bachelor's Degree • Full-Time • Senior
Node JS
Python
JavaScript
Python
FastAPI
AI/ML
Edge AI
Frontend
React.js
DevOps
CI/CD
Kubernetes
Apply
Open 217 daysVerified live · 1 day ago 8 months ago

Senior FullStack Engineer

$26k – $68k per year (Estimated) • Senior • 5+ years expIn office (Bengaluru, India) • Full-Time • Senior
Node JS
Python
JavaScript
Python
FastAPI
SQLModel
AI/ML
Edge AI
Frontend
React Query
React.js
DevOps
CI/CD
Kubernetes
Apply
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Snorkel AI

snorkel.ai
Snorkel AI was founded in 2019 by Stanford researchers who developed programmatic labelling, where subject matter experts write rules that generate training data instead of annotating examples by hand. Its platform now covers data curation, model fine-tuning and expert evaluation for enterprise and frontier model builders. Banks, insurers and government agencies use it to specialise models on proprietary knowledge.
snorkel.ai • HQ: Redwood City, United States • Artificial Intelligence • AI Agents • Est. 2019
HQ: Redwood City, United States • Artificial Intelligence • AI Agents • Est. 2019
Open 166 daysTop 25% pay 6 months ago

Manager, Forward Deployed Engineering

$200k – $320k per year • Equity • Senior • 6+ years expRemote/Hybrid (New York, United States) • Senior
Python
SQL
AI/ML
LLM
Human-in-the-Loop
Snorkel
Synthetic Data
Apply
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Oasis Security

oasis.security
Oasis Security is a pioneering American cybersecurity enterprise and non-human identity management (NHI) platform headquartered in New York City. Operating on a B2B SaaS cybersecurity, cloud security posture management (CSPM), and agentic access governance model, Oasis specializes in securing the rapidly expanding landscape of non-human identities, including API keys, service accounts, secrets, certificates, and autonomous AI agents.
oasis.security • HQ: New York, United States • Cybersecurity • Identity Management • Artificial Intelligence
HQ: New York, United States • Cybersecurity • Identity Management • Artificial Intelligence
$84k – $237k per year (Estimated) • Senior • 6+ years expIn office (Tel Aviv, Israel) • Senior
JavaScript
Python
TypeScript
AI/ML
AI Agents
Claude
Claude Code
Cursor
DevOps
Docker
Kubernetes
Apply
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Doctrine

doctrine.fr
Doctrine is a Paris legal technology company founded in 2016 that indexes French case law and legal information. Its search engine applies natural language processing to millions of decisions so lawyers can find precedents and track litigation. The platform is used by most large French law firms and corporate legal departments.
doctrine.fr • HQ: Paris, France • Government • Professional Services • Legal Services • 51-200 employees • Est. 2016
HQ: Paris, France • Government • Professional Services • Legal Services • 51-200 employees • Est. 2016
Open 167 daysVerified live · 2 days ago 6 months ago

Experienced/Senior Fullstack Engineer - Squad Scribe

$57k – $114k per year (Estimated) • Senior • Remote/Hybrid (Paris, France) • Full-Time • Senior
TypeScript
JavaScript
Node JS
Node JS
Nest.JS
Frontend
React.js
Next.js
DevOps
CI/CD
GitHub
Apply
Report

LiveEO

live-eo.com
LiveEO is a Berlin company founded in 2018 that analyses satellite imagery to monitor infrastructure. Its algorithms detect vegetation encroachment, ground movement and construction risk along railways, pipelines and power lines. The company works with major European network operators and on deforestation compliance reporting.
live-eo.com • HQ: Berlin, Germany • Transportation & Logistics • Financial Services • Audit • Supply Chain • Cybersecurity • Est. 2018
HQ: Berlin, Germany • Transportation & Logistics • Financial Services • Audit • Supply Chain • Cybersecurity • Est. 2018
Open 167 daysVerified live · 1 day ago 6 months ago

Senior Full Stack Engineer (f/m/x) - Government Solutions

$76k – $152k per year (Estimated) • Equity • Senior • Remote/Hybrid (Berlin, Germany) • Full-Time • Senior
Python
TypeScript
JavaScript
Node JS
Python
FastAPI
Databases
PostgreSQL
AI/ML
Prefect
AI Agents
Frontend
React.js
DevOps
AWS
GCP
SpaceTech
GDAL
Apply
Report

Anyfin

anyfin.com
Anyfin is a Swedish fintech founded in 2017 and based in Stockholm. Its service refinances expensive consumer credit using data from existing statements. The company operates in several European markets.
anyfin.com • HQ: Stockholm, Sweden • Est. 2017
HQ: Stockholm, Sweden • Est. 2017
Open 167 daysVerified live · 1 day ago 6 months ago

Senior Backend Engineer with cloud experience

$48k – $137k per year (Estimated) • Senior • 5+ years expIn office (Stockholm, Sweden) • Full-Time • Senior
Go
Node JS
SQL
TypeScript
JavaScript
Python
Databases
PostgreSQL
Frontend
React.js
GraphQL
Mobile
React Native
DevOps
AWS
Azure
GCP
GitHub Actions
Kubernetes
GitHub
Apply
Open 274 daysVerified live · 1 day ago 9 months ago

Senior Fullstack Engineer (Stockholm, EU only)

$49k – $138k per year (Estimated) • Senior • In office (Stockholm, Sweden) • Full-Time • Senior
Node JS
TypeScript
JavaScript
Frontend
React.js
Mobile
React Native
DevOps
CI/CD
GCP
Apply
Report
Senior Backend Developer Jobs
Frequently asked questions
How many Senior Backend Developer jobs are available on Alion?
There are currently 10276 active listings from 2892 hiring companies on Alion, refreshed daily.
What salary do Senior Backend Developer jobs pay?
The average salary is around $188,902 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.