Principal Full-Stack Engineer Job at Sigma Software Group (Warsaw)

Principal Full Stack Cybersecurity Engineer

The Principal Full Stack Cybersecurity Engineer will work with software engineer...

Location

United States , Bellevue

Salary:

129400.00 - 233400.00 USD / Year

T-Mobile

Expiration Date

Until further notice

Requirements

Bachelor's Degree Computer Science or Engineering
7-10 years’ experience in full stack development experience including front end and back end
7-10 years designing database schemas, writing SQL
3+ years DevOps experience with infrastructure as code
4-7 years using cloud services from AWS, Azure or GCP
7-10 years technical engineering experience
1+ years coaching and mentoring team members
Expected to be able to setup a completely new full stack environment from scratch including build steps and backend infrastructure
Deep knowledge of at least one structured and one scripting language
Understands web protocols, how full stack applications operate and data flows

Job Responsibility

Design new infrastructure and monitor existing systems to ensure security compliance
Work with engineers to develop full-stack SW solutions with a focus on security
Advise engineering teams on security, compliance, and risk assessments
Interface with groups including Cybersecurity, application support, engineering ops, privacy
Perform security analysis of existing and new technologies and form recommendations on their use
Propose and implement improvements to enhance existing systems and processes
Lead the identification of security needs & recommends plans/resolutions
Implement, test, and monitor information security improvements
Leads information security reviews of Engineering projects and proposals
Executes security projects driven by groups both internal and external to Engineering teams

What we offer

Competitive base salary and compensation package
Annual stock grant
Employee stock purchase plan
401(k)
Access to free, year-round money coaches
Medical, dental and vision insurance
Flexible spending account
Paid time off
Up to 12 paid holidays
Paid parental and family leave

Fulltime

Principal Full Stack Engineer

As a Principal Full Stack Engineer, you will be responsible for architecting, de...

Location

United States , San Francisco

Salary:

170800.00 - 274300.00 USD / Year

Atlassian

Expiration Date

Until further notice

Requirements

Business Applications Experience with Oracle Fusion Cloud, Zuora Revenue, Coupa, Anaplan, Avalara, and prior QTC architecture experience
Strong proficiency in modern programming languages (e.g., Java, Python) and frameworks (e.g., React, Node.js)
Exposure to integration platforms such as Workato and RPA platforms such as UIPath
Experience with AI technologies and machine learning frameworks, with a focus on integrating these into business applications
Familiarity with cloud environments such as AWS or GCP, and experience with deploying and managing applications in the cloud
Ability to tackle complex technical challenges and provide innovative solutions
Excellent communication skills to collaborate effectively with cross-functional and leadership teams both across Engineering and Finance organizations

Job Responsibility

Design and implement scalable and robust full-stack solutions that integrate with finance systems or business applications
Collaborate with data scientists and machine learning engineers to incorporate AI features into products, enhancing functionality and user experience
Lead technical design and architecture discussions, ensuring best practices are followed in software development and AI integration
Work closely with technical product managers (TPM), designers, and other engineers and business teams to deliver high-quality products that meet business needs
Drive innovation by exploring new technologies and methodologies to improve product offerings and development processes

What we offer

health coverage
paid volunteer days
wellness resources

Fulltime

Principal Backend Engineer, Forward Deployed

As a Principal Forward Deployed Engineer (FDE) at Invisible, you'll lead high-im...

Location

United States , Austin; New York; San Francisco Bay Area; Washington DC–Baltimore

Salary:

225000.00 - 370000.00 USD / Year

Invisible Technologies

Expiration Date

Until further notice

Requirements

12+ years of software engineering experience, including significant time spent building data, ML, or backend systems
Deep proficiency in Python with hands-on experience using Hugging Face, LangChain, OpenAI, Pinecone, and related ecosystems
Skilled in full-stack and API-based deployment patterns, including Docker, FastAPI, Kubernetes, and cloud environments (GCP, AWS)
Experienced with workflow orchestration libraries, pub/sub systems (Kafka), and schema governance
Expertise in data governance and operations, including Unity Catalog and policy management, cluster/job orchestration, data contracts and quality enforcement, Delta/ETL pipelines, and replay processes
Strong product and system design instincts — you understand business needs and how to translate them into technical architecture
Experience building usable systems from messy data and ambiguous requirements
Excellent communication and client-facing skills
you’ve led conversations with technical and non-technical stakeholders alike
Proven experience owning projects from scoping through deployment in ambiguous, high-stakes environments

Job Responsibility

Partner with delivery and executive stakeholders to scope, design, and lead implementation of AI-driven solutions
Identify transformational opportunities in messy, ambiguous workflows and turn them into repeatable systems
Lead architecture design and trade-off discussions across performance, scalability, cost, and reliability
Own projects from first discovery call through full deployment — including client-facing delivery, internal coordination, and post-launch iteration
Build shared infrastructure, reusable components, and internal playbooks to level-up the team
Coach and mentor mid-level engineers and help shape the culture of forward-deployed AI engineering at Invisible

What we offer

bonus
equity

Fulltime

Principal Engineer (Backend/ Full-stack)

As a Principal Full-stack Engineer, you will play a critical role in shaping Omi...

Location

India , Bengaluru

Salary:

Not provided

FoodLabs & Atlantic Labs

Expiration Date

Until further notice

Requirements

10+ years of experience in Software Engineering (Full Stack or Backend), with strong hands-on full-stack expertise
Proven experience building and evolving large-scale, distributed, cloud-native systems
Strong architectural judgment and experience leading system design at scale
Experience in high-growth startups or scale-up environments
Demonstrated experience mentoring engineers and leading technical initiatives
Ability to collaborate effectively with Product, Design, and senior stakeholders
Demonstrated use of AI tools to accelerate SDLC

Job Responsibility

Own and drive end-to-end full-stack solutions, from frontend experiences to backend services and cloud infrastructure
Lead architectural design and technical decision-making for scalable, distributed systems
Align engineering solutions with business goals and customer outcomes
Identify and manage technical debt, making pragmatic trade-offs between speed and long-term scalability
Lead cross-team technical initiatives and align multiple stakeholders with end-to-end responsibility
Mentor engineers across teams, raising the bar for full-stack engineering excellence
Define and promote engineering best practices, standards, and reusable patterns
Contribute to internal and external tech talks, representing Omio’s engineering culture
Evangelize use of AI tools and automation in transforming how Omio designs, develops, and delivers software

What we offer

A competitive and attractive compensation package
Opportunity to develop your skills on a new level
A generous pension scheme
A diverse team of more than 45 nationalities
Develop maintainable solutions for complex problems with broad impact on the business as a whole
Make decisions that will have a direct impact on the long-term success of Omio

Fulltime

Principal / Senior Full-Stack Engineer (AI Agents)

We are hiring 5–10 Full-Stack Engineers over the next 12 months to accelerate th...

Location

United States , San Francisco

Salary:

225000.00 - 275000.00 USD / Year

G2i Inc.

Expiration Date

Until further notice

Requirements

10+ years of engineering experience
Strong experience in B2B SaaS environments
Full-stack background with a focus on TypeScript
Cloud experience with GCP (preferred) or AWS
Full-stack TypeScript (frontend + backend)
Strong system design and architectural skills
Experience with IaC, CI/CD, deployment workflows
Familiarity with LLMs and genuine enthusiasm for AI innovation
Extreme ownership: Takes responsibility for outcomes end-to-end
High agency: Proactively finds and solves the right problems

Job Responsibility

Design, develop, and maintain full-stack features using TypeScript
Build and optimize AI agents using state-of-the-art LLMs
Work with GCP (primary) or AWS, infrastructure-as-code, and deployment pipelines
Take full ownership of projects—from ideation and architecture to implementation and maintenance
Develop reusable tools, prompts, and frameworks for rapid agent creation
Proactively identify problems, propose solutions, and execute independently
Contribute to architectural decisions and engineering best practices

What we offer

Meaningful equity, benchmarked against Pave and Color
Health, dental, and vision insurance (basic plan fully covered)
Commuter benefits (parking & train)
Catered meals and office snacks
High-impact role within a small, senior team

Fulltime

Principal Engineer

As a Principal Full-stack Engineer, you will play a critical role in shaping Omi...

Location

India , Bengaluru

Salary:

Not provided

FoodLabs & Atlantic Labs

Expiration Date

Until further notice

Requirements

10+ years of experience in Software Engineering (Full Stack or Backend), with strong hands-on full-stack expertise
Proven experience building and evolving large-scale, distributed, cloud-native systems
Strong architectural judgment and experience leading system design at scale
Experience in high-growth startups or scale-up environments
Demonstrated experience mentoring engineers and leading technical initiatives
Ability to collaborate effectively with Product, Design, and senior stakeholders
Demonstrated use of AI tools to accelerate SDLC

Job Responsibility

Own and drive end-to-end full-stack solutions, from frontend experiences to backend services and cloud infrastructure
Lead architectural design and technical decision-making for scalable, distributed systems
Align engineering solutions with business goals and customer outcomes
Identify and manage technical debt, making pragmatic trade-offs between speed and long-term scalability
Lead cross-team technical initiatives and align multiple stakeholders with end-to-end responsibility
Mentor engineers across teams, raising the bar for full-stack engineering excellence
Define and promote engineering best practices, standards, and reusable patterns
Contribute to internal and external tech talks, representing Omio’s engineering culture
Evangelize use of AI tools and automation in transforming how Omio designs, develops, and delivers software

What we offer

A competitive and attractive compensation package
Opportunity to develop your skills on a new level
A generous pension scheme
A diverse team of more than 45 nationality
Develop maintainable solutions for complex problems with broad impact on the business as a whole
Make decisions that will have a direct impact on the long-term success of Omio

Fulltime