Principal Software Engineer

Posted 17 days agoViewed

💎 Seniority level: Principal, 8+ years

📍 Location: United States, Brazil, Tel Aviv

🔍 Industry: Software Development

🏢 Company: Axonius👥 600-600💰 $200,000,000 Series E about 1 year agoAsset Management Cloud Security Information Technology Cyber Security Network Security

🗣️ Languages: English, Hebrew

⏳ Experience: 8+ years

🪄 Skills: Backend DevelopmentDockerPythonCloud ComputingElasticSearchNosqlLinuxNetworkingSoftware EngineeringDebugging

Requirements:

At least 8 years of experience as a Software Engineer- Must.
Experience in building and maintaining scalable, fault-tolerant, high-load, distributed systems.
Proficiency in Python- Must
Proficiency in Docker, Linux, and networking.
Experience with monitoring, logging, and analysis tools.
Demonstrated ability to drive decisions using telemetry data.
A can-do approach.
Strong written and verbal communication skills in English and Hebrew.
An insatiable curiosity for technology, always eager to delve into the details and uncover how things work.
Proven experience in diagnosing and resolving complex performance issues.

Responsibilities:

Take a major role in architecting and developing the Axonius Platform, which combines all existing and future Axonius products.
Be hands-on: conduct research, perform POCs, and solve complex engineering challenges.
Provide architectural leadership for our backend applications.
Communicate across the wider R&D organization and coordinate work performed by multiple teams.

Apply

Related Jobs

Apply

🔥 Principal Software Engineer - AI Platforms & Communications

Posted 3 days ago

📍 US

🧭 Full-Time

🔍 Software Development

🏢 Company: Weave👥 501-1000💰 $70,000,000 Series D over 5 years agoMedical SaaS VoIP Unified Communications Small and Medium Businesses Software

🔧 Requirements

10+ years building distributed, customer‑facing systems; 3+ years designing ML or LLM production workloads at scale.
Proven success with LLMs, RAG architectures, vector databases (e.g., Pinecone, Weaviate, PG Vector), embedding models, and fine‑tuning techniques.
Deep knowledge of multi‑tenant SaaS patterns, data isolation, and usage‑based cost modeling.
Fluency in at least one of Go, Python, or Java (Go/Python preferred) plus modern cloud stacks (GCP or AWS).
Experience integrating or operating communications stacks—SIP/WebRTC for voice, SMS gateways, and transactional email services.
Expertise in Kubernetes, IaC/GitOps, observability, and CI/CD for high‑compliance environments (HIPAA/PCI).
Track record of shipping large, cross‑org initiatives on time and mentoring others to do the same.

💡 Responsibilities

Set architecture & strategy for multi‑tenant, AI‑powered communications services (voice, SMS, email).
Design and build RAG pipelines, vector‑store–backed retrieval layers, and fine‑tuning workflows that deliver low‑latency, context‑aware experiences.
Lead end‑to‑end platform initiatives: data ingestion, event processing, model hosting, continuous evaluation, and cost/latency optimization.
Champion best practices for LLM safety, prompt management, experiment tracking, observability, and auto‑scaling.
Influence roadmaps across Product, Design, and multiple engineering squads; unblock teams with reusable SDKs, templates, and reference architectures.
Mentor & level‑up senior and staff engineers; foster a culture of ownership, experimentation, and inclusive collaboration.

AWSBackend DevelopmentPythonSQLArtificial IntelligenceCloud ComputingGCPJavaKubernetesMachine LearningSoftware ArchitectureApache KafkaData engineeringGoWebRTCCI/CDRESTful APIsDevOpsMicroservices

Posted 3 days ago

Apply

🔥 Principal Software Engineer (Backend)

Posted 8 days ago

📍 United States

🧭 Full-Time

🔍 Software Development

🏢 Company: ClearVector

🔧 Requirements

Experience designing and shipping commercially available software products at scale that customers love
Experience building and shipping self-service B2B SaaS products at scale
Expert knowledge of at least one major systems programming language
Ability to learn Typescript or Rust
Experience shipping serverless software on AWS or distributed systems experience
Experience working at a fast-growing startup
Be comfortable working remotely, asynchronously, and independently
Strong time management habits and the ability to have a quiet working environment
Fluency in technology such as GitHub, AWS, Auth0, TypeScript, Rust, GitHub Copilot and Claude

💡 Responsibilities

Design, architect, and develop features and improvements in a secure, well-tested, and performant way
Maintain a high bar for quality in a fast-paced, iterative environment
Work closely with company leadership to guide our entry into the market
Interact with potential customers and the community to help drive adoption
Craft code that meets our internal standards for style, maintainability, and best practices
Maintain and advocate for these standards through code review and other cultural practices
Regularly demonstrate progress during our weekly internal demos

AWSBackend DevelopmentSoftware DevelopmentGitSoftware ArchitectureTypeScriptAPI testingServerlessRustCI/CDRESTful APIsMicroservicesNodeJSDebuggingSaaS

Posted 8 days ago

Apply

🔥 Principal Software Engineer (Sensor)

Posted 8 days ago

📍 United States

🧭 Full-Time

🔍 Software Development

🏢 Company: ClearVector

🔧 Requirements

Experience designing and shipping commercially available software products at scale that customers love
Experience building and shipping self-service B2B SaaS products at scale
Expert knowledge of at least one major systems programming language
Ability to learn Rust and Typescript
Experience shipping serverless software on AWS or distributed systems experience
Experience working at a fast-growing startup
Be comfortable working remotely, asynchronously, and independently
Strong time management habits and the ability to have a quiet working environment
Fluency in technology such as GitHub, AWS, Auth0, TypeScript, Rust, GitHub Copilot and Claude

💡 Responsibilities

Design, architect, and develop features and improvements in a secure, well-tested, and performant way
Maintain a high bar for quality in a fast-paced, iterative environment
Work closely with company leadership to guide our entry into the market
Interact with potential customers and the community to help drive adoption
Craft code that meets our internal standards for style, maintainability, and best practices
Maintain and advocate for these standards through code review and other cultural practices
Regularly demonstrate progress during our weekly internal demos

AWSDockerSoftware DevelopmentGCPKubernetesRustCI/CDLinuxDebugging

Posted 8 days ago

Apply

🔥 Principal Software Engineer

Posted 9 days ago

📍 North America

💸 225000.0 - 260000.0 USD per year

🔍 Software Development

🏢 Company: Voxel51👥 11-50💰 $30,000,000 Series B about 1 year agoArtificial Intelligence (AI)Computer Vision Machine Learning Analytics Software

🔧 Requirements

8+ years of professional full-stack software engineering experience developing maintainable and scalable systems and software architectures. Backend expertise with proficiency on the frontend.
BS or MS in computer science or a related field
Python and React
Expertise with NoSQL databases (MongoDB, DocumentDB, Elasticsearch)
Experience developing for customer cloud / on-prem deployments
Experience maintaining or contributing to open source projects (or the passion to start!)
Ability to work in a remote-first, collaborative environment

💡 Responsibilities

Architect and develop our open source SDK, as well as our enterprise APIs, UIs, and backend systems.
Help us scale our enterprise solution (deployed into customer’s own cloud and on prem) to support the largest vision AI datasets in existence, supporting individual researchers to Fortune 500 companies; processing petabytes of data.
Write production code that is maintainable, flexible, performant, and well tested.
Elevate the team through mentorship and support.
Elevate the department through tooling, automation, and best practices.

AWSBackend DevelopmentDockerPythonCloud ComputingElasticSearchFull Stack DevelopmentKubernetesMongoDBSoftware ArchitectureAlgorithmsData StructuresNosqlReactCI/CDRESTful APIsSoftware Engineering

Posted 9 days ago

Apply

🔥 Principal Software Engineer (Safeguards)

Posted 9 days ago

📍 United States

🧭 Full-Time

🔍 Software Development

🏢 Company: ClearVector

🔧 Requirements

Experience designing and shipping commercially available software products at scale that customers love
Experience building and shipping self-service B2B SaaS products at scale
Expert knowledge of at least one major systems programming language
Ability to learn Typescript or Rust
Experience shipping serverless software on AWS or distributed systems experience
Experience working at a fast-growing startup
Be comfortable working remotely, asynchronously, and independently
Strong time management habits and the ability to have a quiet working environment
Fluency in technology such as GitHub, AWS, GCP, Azure, Auth0, TypeScript, Angular, PrimeNG, Rust, GitHub Copilot and Claude

💡 Responsibilities

Build systems that enable graduated availability of new code and content
Build systems that enable reproducibility of outcomes
Build simple, easy to use frameworks that enable developers to quickly write new unit and integration tests for new capabilities that enable the graduated availability system and reproducibility system
Build systems that enable content developers to quickly write and deploy content using the graduated availability system and reproducibility system

AWSBackend DevelopmentSoftware ArchitectureTypeScriptServerlessRustCI/CDSoftware Engineering

Posted 9 days ago

Apply

🔥 Principal Software Engineer, Data

Posted 11 days ago

📍 United States

💸 215000.0 - 307100.0 USD per year

🔍 Software Development

🏢 Company: Veeam Software👥 5001-10000💰 $2,000,000,000 Secondary Market 6 months ago🫂 Last layoff over 1 year agoVirtualization Data Management Data Center Enterprise Software Software Cloud Infrastructure

🔧 Requirements

10+ years of experience as a software engineer, bulk of it in building and deploying production data pipelines at scale in the cloud (preferably AWS), using orchestration tools like Apache Airflow.
Proven experience in designing and scaling highly-performant data pipelines leveraging AWS services such as S3, Athena, Lambda, and RDS.
Fluency in a modern programming language relevant to data engineering (e.g.,Python).
Strong experience working with relational databases (e.g., PostgreSQL, MySQL, etc) and data warehousing solutions (e.g., AWS Athena).
Experience in leading other engineers in designing and implementing solutions for building and managing data pipelines and data infrastructure.
Experience running data pipelines in multiple cloud environments is highly desirable.

💡 Responsibilities

Designing and implementing scalable ETL/ELT data pipelines handling large volumes of data to support global expansion of our patent-pending forensics products that have been used by thousands of customers.
Driving the expansion and management of our data processing infrastructure across multiple AWS regions.
Analyzing current data architecture for security, scalability, performance, and data quality, and implementing appropriate solutions.
Developing and deploying serverless data processing solutions using AWS Lambda, orchestrated using Apache Airflow.
Designing and optimizing data architecture within relational databases (e.g., AWS RDS) and data warehouses (e.g., AWS Athena).
Collaboration with cross-functional teams, including the product manager, UX designer, and other engineers to understand data processing requirements and translate them into technical solutions.
Writing clean, maintainable, and well-documented code following best practices and coding standards, with data quality and security top of mind.
Implementing observability and alerting for data pipelines to proactively identify and resolve issues.
Conducting code and data pipeline reviews, provide constructive feedback, and mentor peers to ensure data quality and continuous improvement.

AWSLeadershipPostgreSQLPythonSoftware DevelopmentSQLAmazon RDSApache AirflowCloud ComputingData AnalysisElasticSearchETLGitSoftware ArchitectureAmazon Web ServicesData engineeringServerlessCI/CDProblem SolvingRESTful APIsMentoringWritten communicationMicroservicesData visualizationData modelingData management

Posted 11 days ago

Apply

🔥 Principal Software Engineer

Posted 17 days ago

📍 United States

🧭 Full-Time

💸 166900.0 - 198000.0 USD per year

🔍 Software Development

🏢 Company: Hypergiant👥 101-250💰 Corporate almost 6 years agoArtificial Intelligence (AI)Machine Learning Information Technology Military

🔧 Requirements

10+ years of hands-on experience in full-stack software design and development.
7+ years of experience working on system architecture and integration with third-party APIs.
Comfortable performing research and discovery, and synthesizing your thoughts through architecture and technical roadmaps.
Experience developing resilient file-transfer and data-streaming architectures.
Experience working with static-site generation frameworks (Astro, Next.JS, Gatsby, etc).
Ability to manage client expectations and project timelines.
Demonstrated experience in managing, mentoring & coaching development teams in an Agile environment.
Penchant for learning new technologies, balanced with strong pragmatic thinking.
Proficient with version control and effective collaborative development workflows.

💡 Responsibilities

Meet with clients (business and technical) and extract information necessary to document architecture encompassing business processes and systems.
Perform technical evaluations of prototypes and requirements and provide feedback to Product Owners, Designers, and Architects to ensure feasibility and performance at scale.
Document and maintain records for decisions behind architectural choices and current state of the training platform.
Build web applications conforming to our design system and ready for integrating continuous updates to reflect the features and functionality of partner software.
Implement pixel-perfect Figma designs that replicate interactive prototype functions.
Support development, test, build, and deployment of software applications to unclassified and classified production environments.
Evaluate and recommend technologies, frameworks, tools, and processes for continuous improvement.
Solve complex problems by finding alternative solutions to critical technical issues and mitigating or avoiding risk.
Proactively address security requirements and other constraints as they are discovered or identified.

AWSBackend DevelopmentDockerLeadershipSoftware DevelopmentSQLAgileCloud ComputingDesign PatternsFull Stack DevelopmentGitHTMLCSSJavascriptKubernetesSoftware ArchitectureTypeScriptAPI testingData StructuresReactCommunication SkillsCI/CDProblem SolvingAgile methodologiesRESTful APIsMentoringMicroservicesTeamwork

Posted 17 days ago

Apply

🔥 Principal Software Engineer, CORE

Posted 17 days ago

📍 United States

🧭 Full-Time

💸 132000.0 - 222100.0 USD per year

🔍 Software Development

🏢 Company: TCGPlayer_External_Career

🔧 Requirements

8+ years of object-oriented software development experience, with experience working with C# and .NET Core
Significant experience in high volume production systems design with consideration for high availability, disaster recovery, performance, fault tolerance, and security
Experience designing and developing microservices in an cloud-based architecture
Expert knowledge of RDBMS technologies (SQL Server, PostgreSQL) and NoSQL stores (Redis, MongoDB, Elasticsearch)
Expert knowledge of event/stream processing mechanisms, specifically Kafka but also AWS SNS/SQS, RabbitMQ, or AzureBus
Expert knowledge of APM (Application Process Monitoring), particularly Scalyr/DataSet for logs and New Relic for dashboards & alerting
Excellent verbal and written communication, leadership, and collaboration skills

💡 Responsibilities

Set architectural direction for the broader organization and help evolve systems toward it
Lead TCGplayer in the migration from a monolithic architecture to microservice architecture
Develop code that meets requirements and aligns with standard methodologies, and conduct code reviews to provide expert mentorship and ensure code is of the highest quality
Build clear, comprehensive documentation and diagrams to further understanding and drive action
Develop detailed technical requirements based on business needs via collaboration with product and engineering counterparts
Use deep technical proven experience of company systems and applications, which could cover applications, services, systems, or frameworks
Participate in the Principal’s Guild to set technical direction, design patterns, and general standard methodologies across the Technology organization
Demonstrate a high level of initiative and attention to detail during daily operations
Encourage peers with high-quality, hands-on technical contributions

AWSLeadershipPostgreSQLSoftware DevelopmentSQLDesign PatternsElasticSearchKafkaSoftware ArchitectureC#.NET coreRDBMSREST APINosqlCommunication SkillsCI/CDProblem SolvingAgile methodologiesMentoringDevOpsMicroservices

Posted 17 days ago

Apply

🔥 Principal Software Engineer, CLIP

Posted 17 days ago

📍 United States

🧭 Full-Time

💸 132000.0 - 222100.0 USD per year

🔍 ECommerce

🏢 Company: TCGPlayer_External_Career

🔧 Requirements

8+ years of object-oriented software development experience, ideally C# and .NET Core
Significant experience in high volume production systems design with consideration for high availability, disaster recovery, performance, fault tolerance, and security
Experience designing and developing microservices in an AWS cloud-based architecture
Hands on experience with RDBMS technologies (SQL Server, PostgreSQL) and NoSQL stores (Redis, MongoDB, Elasticsearch)
5 or more years of event/stream processing mechanisms, specifically Kafka but also AWS SNS/SQS, RabbitMQ, or AzureBus
5 or more years of experience with APM (Application Process Monitoring) experience - we work with Scalyr/DataSet for logs and New Relic for dashboards & alerting

💡 Responsibilities

Set architectural direction for the broader organization and help evolve systems toward it
Lead TCGplayer in the migration from a monolithic architecture to domain-driven microservice architecture
Develop code that meets requirements and aligns with standard processes, and conduct code reviews to provide expert guidance and ensure code is of the highest quality
Create clear, comprehensive documentation and diagrams to further understanding and drive action
Develop thorough technical requirements based on business needs via collaboration with product and engineering counterparts
Use deep technical domain knowledge of company systems and applications, which could cover applications, services, systems, or frameworks
Participate in the Principal’s Guild to set technical direction, design patterns, and general standard processes across the Technology organization
Demonstrate a high level of initiative and attention to detail during daily operations
Provide support for mission-critical applications
Inspire peers with high-quality, hands-on technical contributions

AWSBackend DevelopmentDockerPostgreSQLSoftware DevelopmentSQLDesign PatternsElasticSearchGitKubernetesMongoDBSoftware ArchitectureC#Apache Kafka.NET coreRDBMSRedisNosqlCI/CDRESTful APIsMicroservices

Posted 17 days ago

Apply

🔥 Principal Software Engineer, Core

Posted 19 days ago

📍 United States, Canada, LATAM

🧭 Full-Time

🔍 Software Development

🏢 Company: Aleph

🔧 Requirements

10+ years of software development experience
3+ years of experience contributing to the system design or architecture (architecture, design patterns, reliability and scaling) of new or existing systems
Previous startup experience, or experience thriving in an unstructured environment
Experience with a B2B SaaS product, analytics, or building tools for Finance teams
Exposure and interest in Finance, with emphasis in FP&A

💡 Responsibilities

Work hand-in-hand with leadership and other teammates to prioritize and execute on our product roadmap
Design, develop and own complex features or software components
Deliver robust, scalable, and well-tested code
Help develop and establish best practices to lay the foundation for a high-performing technology team and its culture
Collaborate with Design and Operation teams to keep making Aleph better every day

Backend DevelopmentNode.jsSoftware DevelopmentDesign PatternsFrontend DevelopmentGCPGitMongoDBReact.jsSoftware ArchitectureTypeScriptData StructuresCI/CDRESTful APIsFinanceSaaS

Posted 19 days ago

Apply