Staff Backend Engineer Job at Cortex

Staff Backend Engineer

As a Staff Backend Engineer at Aignostics, you will play a crucial role in shapi...

Location

Germany , Berlin

Salary:

Not provided

Aignostics

Expiration Date

Until further notice

Requirements

Advanced degree in a relevant field or extensive work experience
8+ years of software development experience, with at least 2 years as Staff Engineer or an equivalent role
Proven track record of driving technical excellence and innovation
Solid background in data-intensive & event-driven systems and software architecture, design patterns and clean coding
Polyglot with deep experience in multiple programming languages and frameworks
Extensive experience with data storage, management and processing data at scale
Deep understanding of cloud technologies (e.g., GCP, AWS), containerization and orchestration (e.g., Docker, Kubernetes)
Experience with workflow orchestration tools (e.g. Prefect, Airflow) and distributed computing frameworks (e.g. Ray, Spark)
Familiarity with DevOps and DevSecOps practices and tooling (e.g., ArgoCD, Kyverno), CI/CD pipelines (e.g., Gitlab, GitHub), infrastructure as code (e.g., Terraform, Cloud Formation, Crossplane) and observability (e.g., Grafana, Open Telemetry)
Excellent communication skills, able to articulate complex technical concepts to both technical and non-technical stakeholders

Job Responsibility

Define and drive the technical architecture and system design principles for our data management platform and system landscape
Guide the CTO office, product management and fellow engineering leads through complex decisions by providing expert consultation on feasibility, architecture, trade-offs and risk mitigation strategies
Foster technical alignment across teams by establishing shared architectural principles and best practices
Champion technical excellence by leading strategic initiatives that modernize our architecture and reduce technical debt
Elevate the technical capabilities of our engineering staff through structured mentoring, workshops and establishing comprehensive technical guidelines
Drive innovation by evaluating emerging technologies, leading proof-of-concept initiatives and building support for strategic technical investments

What we offer

Learning & Development yearly budget of 1,000 € (plus 2 L&D days)
Language classes and internal development programs
Mentoring program
Flexible working hours and teleworking policy
30 paid vacations days per year
Family & pet friendly and support flexible parental leave options
Subsidized membership of your choice among public transport, sports and well-being
Social gatherings, lunches and off-site events
Optional company pension scheme

Staff Backend Engineer

Kalepa is looking for a Staff Backend Engineer to work on its AI Copilot platfor...

Location

Salary:

145000.00 - 185000.00 USD / Year

Kalepa

Expiration Date

Until further notice

Requirements

8+ years of relevant software engineering experience
Excellent development skills including design, debugging and problem solving
Bachelors or master's degree in computer science or a related field
Experience with Python3 or other OO languages (Java, C++, C#, etc.)
Experience with AWS (EC2, Lambda, etc.) and serverless technologies
Experience with relational databases, preference for PostgreSQL
Experience working on distributed systems creating scalable, fault-tolerant infrastructure
Experience building data driven microservices leveraging RESTful API's
Experience with tools such as Docker, Git, GitHub, Flask, NumPy, Pandas

Job Responsibility

Work on advanced systems including NLP, firmographic data, entity resolution
Solve problems at the intersection of large and performant data pipelines, distributed systems, machine learning models, and robust infrastructure
Collaborate with a global team of full-stack, data, ML, and DevOps engineers
Build scalable and reliable backend solutions

What we offer

Competitive salary (based on experience level)
Significant equity options package
20 days of PTO a year
Global team offsites
Healthy living/gym stipend
Mobile phone bill stipend
Continuing education credits

Fulltime

Staff Software Engineer - Backend

As the Staff Software Engineer for our SaaS platform team, you will be crucial i...

Location

Canada , Toronto

Salary:

189000.00 - 209000.00 CAD / Year

Cyngn

Expiration Date

Until further notice

Requirements

10+ years of software development experience, with a strong focus on backend systems and distributed architectures
Extensive experience in building and scaling cloud-native SaaS platforms, preferably in the IoT or robotics domains
Expert-level proficiency in at least one of Python, Go, Java, or C++, with working knowledge of others
Deep understanding of cloud technologies and services (AWS, Azure, or GCP)
Proven experience with event-driven architectures and message queuing systems (e.g., Kafka, RabbitMQ, Apache Pulsar)
Strong background in database design and optimization, including both SQL and NoSQL solutions
Proficiency in developing scalable WebSocket-based real-time communication systems
Expertise in developing real-time data processing pipelines and analytics systems
Proficiency with containerization and orchestration technologies (Docker, Kubernetes)
Experience with infrastructure-as-code and CI/CD practices (e.g., Terraform, GitOps)

Job Responsibility

Architect and lead the development of a sophisticated, cloud-native fleet management system capable of real-time control and monitoring of numerous autonomous vehicles
Design and implement scalable, distributed systems that can handle high-volume, real-time data processing and decision-making
Develop robust APIs and microservices to support integration with various autonomous vehicle platforms and customer systems
Create efficient algorithms for route optimization, task scheduling, and resource allocation across vehicle fleets
Implement advanced data analytics and machine learning capabilities to provide predictive maintenance, performance optimization, and business intelligence features
Ensure system reliability, security, and compliance with industry standards and regulations
Lead a team of skilled engineers, fostering a culture of innovation, code quality, and continuous improvement
Collaborate with product managers, UX designers, and customers to translate business requirements into technical solutions
Mentor junior developers and contribute to the technical growth of the engineering team
Participate in the entire software development lifecycle, from concept and design to testing, deployment, and maintenance

Staff Software Engineer, Backend

The Staff Engineer will work closely with AI/ML engineers, product managers, app...

Location

United States , NYC

Salary:

160000.00 - 190000.00 USD / Year

Conductor

Expiration Date

Until further notice

Requirements

Completed studies in Computer Science, Mathematics, engineering or a related field or equivalent professional experience
8+ years of experience in software development, with experience in product-driven companies
Strong expertise in system design, distributed computing, and scalable architecture patterns for handling large datasets and high-throughput applications
Proficiency in multiple programming languages with strong Python coding skills. Experience with Java is highly valued
Strong database experience including both SQL and NoSQL systems, with knowledge of data modeling and optimization techniques
Experience with AI/ML technologies including LLMs, vector databases (e.g., Milvus), embeddings, and ML frameworks
Knowledge of MLOps practices, model deployment, and AI system integration in production environments
Experience working across the full software development lifecycle including CI/CD, monitoring, testing, and production deployment
Proven track record of technical leadership, mentoring engineers, and driving engineering excellence within teams
Up-to-date with rapidly-evolving technologies and demonstrated ability to evaluate and adopt new tools and frameworks

Job Responsibility

Lead the technical architecture, design, and implementation of large-scale distributed systems and data platforms to support customer needs and business growth
Oversee the planning, execution, and successful delivery of complex engineering projects, ensuring adherence to engineering best practices and quality standards
Design and build scalable, high-performance backend systems and APIs that handle millions of requests and large datasets efficiently
Architect robust data processing pipelines and ETL workflows using modern cloud technologies and distributed computing frameworks
Drive technical decision-making across the engineering organization, evaluating trade-offs and establishing engineering standards and practices
Lead cross-functional collaboration with product, AI/ML engineering, data engineering, and infrastructure teams to deliver comprehensive solutions
Build and maintain CI/CD pipelines, monitoring systems, and deployment automation to ensure reliable software delivery
Implement AI/ML capabilities including LLM integration, vector databases, and intelligent content processing workflows
Mentor senior and junior engineers, fostering technical excellence and knowledge sharing within the engineering organization

What we offer

100% covered employee medical plan
a dental & vision plans
401(k) with employer contribution
an unlimited vacation policy
10 sick days
short-term disability
long-term disability
generous paid parental leave
employee assistance program
flexible savings accounts

Fulltime

Sr Staff Backend Engineer - ShiftLeft (Cortex Cloud)

ShiftLeft is building the cloud security platform for developers (CAS). Our plat...

Location

Israel , Tel Aviv

Salary:

Not provided

Palo Alto Networks

Expiration Date

Until further notice

Requirements

4+ years of experience in backend development, with a strong foundation in designing and maintaining scalable systems
2+ years of hands-on experience with TypeScript and Node.js in production environments
Proven experience working with cloud platforms such as GCP (or equivalent like AWS/Azure)
Familiarity with Kubernetes
Familiarity with operating live production systems at scale, with a focus on reliability and performance
Strong problem-solving skills and a passion for continuous learning and technical excellence
Bachelor’s degree in Computer Science, Engineering, or a related field — or equivalent military experience

Job Responsibility

Feature Development: Design, build, and maintain robust backend services using TypeScript/Node.js. Take full ownership of complex, cross-system features — from initial requirements through architecture, implementation, and deployment
Build and Optimize Scalable Systems: Ensure performance, reliability, and cost-efficiency across distributed systems through thoughtful design, deep observability, and continuous optimization
Platform Engineering & DevEx: Drive platform engineering initiatives by developing the department infrastructure and shared tooling that boost scalability, reliability, and the developer experience across the department
Own Core Infrastructure: Design, operate, and evolve the department’s infrastructure stack — including BigQuery, MongoDB, Redis, and Argo Workflows — using cloud-native technologies like Terraform, Kubernetes, and Helm

What we offer

FLEXBenefits wellbeing spending account with over 1,000 eligible items selected by employees
mental and financial health resources
personalized learning opportunities

Staff Backend Engineer

OpenSea is the gateway to web3’s next chapter—where NFTs, fungible tokens, and e...

Location

United States

Salary:

190000.00 - 345000.00 USD / Year

OpenSea

Expiration Date

Until further notice

Requirements

At least 6 years of experience as a software engineer
Strong fluency in event-driven system design patterns, leveraging technologies such as Kafka, Flink, and Debezium, as well as distributed systems more generally
Strong fluency in JVM languages like Kotlin or Java
Strong fluency and opinionated in database choice and schema design for highly performant and scalable applications
Intrinsic interest in leveraging new tools (e.g. AI) to increase work efficiency and quality
Passion for (blockchain) technology, NFTs, and the potential of digital ownership is a huge plus

Job Responsibility

Form, communicate, and execute on a technical vision for the next generation of OpenSea’s architecture that leverages highly scalable and event-driven patterns
Write reliable, low latency marketplace infrastructure software that will eventually process billions of dollars a day worth of transaction volume, including highly performant blockchain indexing systems, order management systems at scale, and REST & Websocket API endpoints
Raise the bar for internal understanding of best practices in building highly performant & event-driven systems with “live” characteristics
Mentor and train other team members and act as an internal thought leader and agitator for architectural rigor and cleanliness

What we offer

Health Benefits: We cover 100% Dental/Vision/Medical for employees and 90% for dependents
Flexible Time Off Policy
Parental Leave: 16 Weeks of Paid Parental Bonding & up to 8 additional weeks for the birthing parent
Mental Health: We offer access to Spring Health, covering 8 therapy & 8 coaching sessions per year
11 Company Holidays
Fidelity 401K Plan
Internet/Mobile Reimbursement Plan
Reimbursement or Monthly Snack Delivery
Company & Team retreats to get together for fun and collaboration
Team Member Co-Working and Gathering Expense

Fulltime

Senior / Staff Backend Engineer

At Linear, we are on a mission to bring magic back to software. To empower produ...

Location

Salary:

Not provided

Linear

Expiration Date

Until further notice

Requirements

Strong JavaScript fundamentals
Experience building scalable infrastructure and backend solutions
Experience with TypeScript
Experience building scalable systems

Job Responsibility

Build the backend for various user-facing features
Optimize real-time, synchronized data delivery across our clients
Improve database and infrastructure performance by implementing caching solutions, connection pooling
Improve observability, monitoring, and alerting for our service so that we can better respond to operational incidents
Scale our service via architectural changes as well as infrastructure improvements
Open-source any non-trivial innovations that come out of our work on the product
Redefine best-in-class software development processes so that we can build a purpose-built product

What we offer

Interesting and challenging work
Work-life balance
Competitive salary and equity
Employee-friendly equity terms (extended exercise)
Paid lunch and coffee during workdays
Work remotely, no commuting to the office
Paid co-working space/desk at an office
Health, dental, and vision insurance (based on country requirements)
Regular team events and off-sites
5 weeks of paid vacation

Fulltime

Staff Backend Engineer

Inworld recently launched an exciting new platform for consumer AI applications,...

Location

Canada , Vancouver

Salary:

150000.00 - 240000.00 CAD / Year

Inworld AI

Expiration Date

Until further notice

Requirements

Excellent programming skills and experience in a statically typed backend programming language, preferably Go, Kotlin, Java or Rust
Experience developing and deploying cloud-based services to at least hundreds of qps (preferably more)
Experience with relational databases (PostgreSQL or MySQL)
Hands-on experience with caching (Redis or Memcached), pubsub/queues, data pipelines (Flink, Beam), and Cloud storage
Excellent verbal and written communication skills, can collaborate and coordinate with other roles and engineer with ease, trusted and well-regarded teammate

Job Responsibility

Establish significant scope: Collaborate with the PMs, engineers and leads to determine the biggest product needs to focus on now
Operate with technical autonomy: You have considerable leeway to suggest how to address a given focus area, including bringing in new technical dependencies or standards where it’s the best choice
Collaborate, execute, deliver: This is the core of the building loop. We aim to optimize for both speed and quality, despite it being decidedly non-obvious how to manage that tradeoff exceptionally well
Reflect and drive improvements: Especially as a Staff Engineer, advocate for and realize system improvements, both related to and independent of key features

What we offer

equity and benefits

Fulltime

Staff Backend Engineer

Cortex

Location:
United States

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
January 22, 2026

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Job Posted:
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