Principal Front-end Engineer Job at Randstad (Attica)

Senior Staff Principal Back-end and Front-end Engineer

Senior/Staff/Principal Back-End and Front-End Engineers – New York – On-Site – O...

Location

United States , New York

Salary:

Not provided

Orbis Consultants

Expiration Date

Until further notice

Requirements

Java
GCP and/or AWS or Azure, Distributed Systems focus
6+ Years of Experience
Start-Up Experience
6+ years of React experience
3+ years of React Native experience
Proven experience in React Native, TypeScript/JavaScript, Redux/Global state management frameworks
Strong UX design skills, problem solving, and troubleshooting skills.
Understanding of how to optimize the delivery of code and assets to a browser or device
Ability to articulate the benefits and challenges of depending on front-end libraries, frameworks, and tool-sets

Job Responsibility

Designing, deploying, and documenting the back-end services for the website and mobile app
Promote best practices, guarantee that integrations are technically feasible, and optimise the application for optimal speed, scalability, and dependability
Investigate and utilize Google Cloud Platform services to continuously improve application architecture
Implement microservices using Java and Quarkus framework
Propose and enhance automation initiatives related to infrastructure as code, CI/CD, monitoring and alerting
Contribute to all phases of the development lifecycle
Write well-designed, testable, and efficient code
Become a foundational member of our team, working alongside the Head of Engineering and Head of Product
Develop user-facing features
Work directly with the frontend engineering and product teams across the React Native mobile app

Fulltime

Principal Software Engineer - Front End Architect

The Fabric Platform Shell team is dedicated to creating the best SaaS data devel...

Location

Canada , Vancouver

Salary:

142400.00 - 257500.00 CAD / Year

Microsoft Corporation

Expiration Date

Until further notice

Requirements

Bachelor's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience
Experience creating or extending architectural design for complex front end systems
Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include, but are not limited to the following specialized security screenings: Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter
3+ years demonstrated expertise in developing complex web application and front-end architectures on technology including JavaScript, TypeScript, HTML, CSS, and at least one popular web frontend framework such as React, Vue, or Angular
Bachelor's Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Master's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python + OR equivalent experience
A passion for delivering modern, high-performance user experiences in browser environments
Experience in building great developer and user experiences for modern analytics systems
A deep curiosity and willingness to question the status quo
High enthusiasm, integrity, ingenuity, results-orientation, and self-motivation in a fast-paced environment
A love for tackling the next problem, the next experiment, and the next partnership

Job Responsibility

Architecting and designing highly scalable experiences for the Fabric Platform in browser environments
Working with engineering managers and developers on full stack and backend development to deliver comprehensive experiences based on the architecture
Collaborating closely with UX & UI designers, product managers, program managers, and other engineers throughout the product feature development lifecycle
Demonstrating technical leadership by identifying gaps and writing high-quality code
Embody our culture and values
Coding: Review and write code to meet team standards, ensure adequate test coverage, and maintain code quality. Use automated tools, debug proactively, and lead by example in producing secure, maintainable, and performant code. Apply and promote coding patterns and best practices across the team
Design: Create and drive effective test strategies, ensure security testing, and improve the test suite. Build testable code, identify dependencies, collaborate across teams, and own architectural decisions to meet performance, security, and compliance requirements
Engineering Excellence: Apply secure design principles, scale products to customer requirements, automate production and deployment, and ensure compliance with regulations. Stay current with technology trends, advocate best practices, and support development tools
Implement: Drive project planning and estimation, ensure security and compliance in plans, automate deployments, and use experimentation to measure impact. Monitor dependencies and enact rollback plans when needed
Reliability and Supportability: Integrate logging and telemetry for monitoring, act as a designated responsible individual (DRI), resolve incidents, maintain live site operations, and improve troubleshooting guides and support documentation

Fulltime

Principal, Front End Developer (Angular, Python)

As a Principal Front End/Full Stack Developer in a Quantitative Development team...

Location

United States , Jersey City

Salary:

107000.00 - 216000.00 USD / Year

Fidelity Investments

Expiration Date

Until further notice

Requirements

Bachelor's degree or equivalent experience in computer science, engineering, or a related field
8+ years of hands-on experience designing, developing and deploying complex, scalable, end-to-end web applications
A proven track record of leading complex projects through the full software development lifecycle(SDLC) from requirements gathering and system design to production deployment and post-launch maintenance
Expertise in modern front-end development, particularly with Angular and its ecosystem
Strong Proficiency in back-end development with a main focus on Python and its web frameworks (eg Django, Flask)
Extensive experience designing, implementing and optimizing relational databases(e.g. Oracle, PostgreSQL, SQL Server)
Strong SQL skills are a must
Experience with object-oriented design and development, and standard software design patterns
Demonstrable ability to effectively communicate and collaborate with multiple collaborators, including product managers, UX/UI designers and other technology partners
Experience with data visualization libraries and UI component libraries

Job Responsibility

Lead the design, development and deployment of complex full-stack applications through the entire software development lifecycle
Define and own the technical architecture for new and existing web applications, ensuring they are scalable, reliable and maintainable
Provide technical leadership and mentorship to junior and senior teammates, establishing and enforcing coding standards through code reviews
Collaborate closely with Quantitative Analysts and other business users to translate business requirements into robust and intuitive technical solutions

What we offer

Comprehensive health care coverage
Emotional well-being support
Market-leading retirement
Generous paid time off
Parental leave
Charitable giving employee match program
Educational assistance including student loan repayment, tuition reimbursement, and learning resources to develop your career

Fulltime

Principal Associate, Front End Design Systems

Principal Associate, Front End Design Systems. This is a Hybrid position located...

Location

United States , Plano

Salary:

119400.00 - 136200.00 USD / Year

Capital One

Expiration Date

Until further notice

Requirements

At least 3 years of professional front-end development experience
Bachelor’s Degree or equivalent practical experience
At least 3 years of experience with modern front-end technologies, including TypeScript, JavaScript (ES6+), and Node.js
At least 2 years of experience with modern web frameworks like React, Vue, or Angular
Strong proficiency in CSS for building responsive layouts and scalable component styles
Demonstrated experience translating complex designs and requirements into modular, reusable components
A solid understanding of semantic HTML and web accessibility standards (WCAG)
Experience with frontend build tools, such as webpack, Vite, or Rollup
Familiarity with consuming HTTP-based APIs (REST, GraphQL)
Experience working in an Agile or Kanban software development environment

Job Responsibility

Build with Excellence: write clean, scalable, and highly performant code for our core component libraries and design system tooling
Collaborate to Innovate: Partner closely with product, design, and other engineering teams to translate complex UI/UX designs and business requirements into robust, reusable, and well-tested technical solutions
Uphold Quality and Consistency: Drive engineering excellence by building comprehensive automated tests, participating in detailed code reviews, and ensuring our components are resilient, efficient, and pixel-perfect
Champion Accessibility: Act as a passionate advocate for inclusive design, ensuring all components and experiences meet and exceed enterprise accessibility standards (WCAG 2.1 AA, ADA)
Mentor and Influence: Elevate the team’s technical abilities by mentoring other engineers, sharing your knowledge, and promoting modern engineering best practices
Drive Adoption: Help product teams successfully integrate our design system, gather feedback to guide our roadmap, and report on the impact of your work

What we offer

performance based incentive compensation, which may include cash bonus(es) and/or long term incentives (LTI)
a comprehensive, competitive, and inclusive set of health, financial and other benefits that support your total well-being

Fulltime

Senior + Principal Software Engineers- Front End Applied AI for Microsoft Threat Protection (MTP)

The Microsoft Security Organization is building the next generation of security ...

Location

United States , Redmond

Salary:

119800.00 - 234700.00 USD / Year

Microsoft Corporation

Expiration Date

Until further notice

Requirements

Bachelor's Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to JavaScript, TypeScript, HTML, CSS OR equivalent experience.
Ability to meet Microsoft, customer and/or government security screening requirements including Microsoft Cloud Background Check.
Master's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to JavaScript, TypeScript, HTML, CSS OR Bachelor's Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to JavaScript, TypeScript, HTML, CSS OR equivalent experience.
4+ years of hands on experience building modern front end and/or full stack applications in production environments
Experience developing user facing web applications using modern front end frameworks such as React, Angular, or similar component based frameworks
Experience designing and implementing scalable client side application architecture across enterprise or cloud based software platforms
Ability to collaborate across service boundaries with backend or AI platform teams to integrate user interfaces with distributed systems
Experience architecting scalable UI platforms or experience layers that integrate with cloud scale services or AI powered systems
Experience managing or technically leading engineering teams, including driving design decisions, mentoring engineers, and leading execution of complex software initiatives
Demonstrated experience partnering closely with product management, engineering, and design teams to deliver user centric software experiences

Job Responsibility

Design and build AI driven security product experiences powered by large language models, multimodal models, and emerging frontier AI capabilities
Develop scalable full stack solutions that enable AI native workflows across threat detection, triage, investigation, and incident response
Partner deeply across engineering, product management, and design teams to create holistic, intuitive user experiences for interacting with AI powered security systems
Translate complex security workflows into user centric AI optimized interfaces that enable automation, augmentation, and governed autonomy
Rapidly prototype and iterate on AI native experiences within live production environments while maintaining Microsoft standards for security, reliability, privacy, and trust
Collaborate with backend AI platform teams to integrate reasoning systems into end to end user experiences and operational workflows
Shape the long term technical direction of AI driven user interaction paradigms across the Microsoft Threat Protection platform
Mentor engineers and drive engineering excellence across cross disciplinary teams

What we offer

Certain roles may be eligible for benefits and other compensation
Additional benefits and pay information available at https://careers.microsoft.com/us/en/us-corporate-pay

Fulltime

Sr. Principal Engineer Software (Unit 42)

The Unit 42 Engineering team specializes in providing tools enabling threat rese...

Location

United States , Connecticut

Salary:

126000.00 - 204500.00 USD / Year

Palo Alto Networks

Expiration Date

Until further notice

Requirements

In depth knowledge of Modern AI tools and techniques
Experience building AI based Agents using frontier models such as Gemini, Claude, etc
Foundational knowledge of Python and SQL, with an eagerness to learn and work with various database technologies, including non-relational databases like Elasticsearch, Cassandra, BigQuery, or similar
Familiarity with containerization concepts, ideally with some exposure to Docker and container orchestration tools like Kubernetes
Solid programming skills, with the ability to contribute to the development and implementation of features under guidance
Understanding of REST APIs and how to integrate with them
Basic understanding of queuing technologies such as RabbitMQ or Pub/Sub, and an interest in learning to build solutions using these technologies
Good written and verbal communication skills, with a willingness to collaborate effectively in a team environment
Familiarity with front-end frameworks such as React is a plus
Exposure to cloud environments like AWS or GCP is desirable

Job Responsibility

Assist in the development and implementation of features and integrations to support threat data collection, analysis, and countermeasure creation
Collaborate with the team to implement REST APIs and workflows, learning about integration with various data sources such as SQL, NoSQL, BigQuery, and document stores
Contribute to the development and maintenance of frameworks that support threat researchers, gaining experience with tooling and automation to improve efficiency
Work with senior team members to understand technical dependencies, document technical specifications, and support integration with existing systems
Participate in the deployment process, gaining hands-on experience with modern tools such as Git, CI/CD (Gitlab CI, Docker, Airflow, Kubernetes), and containerization

Fulltime

Principal Engineer - Technical Lead (Gen AI and MACH Architecture)

At AKQA, we believe in the imaginative application of art and science to create ...

Location

United Kingdom , London

Salary:

Not provided

AKQA

Expiration Date

Until further notice

Requirements

Minimum three years' experience with Generative AI, including proven experience shipping at least one AI solution to production in an enterprise context (beyond prototypes or sandbox experiments)
AI architecture for experience platforms: system design for intelligent products and services, including RAG, GraphRAG, agent orchestration and proximity / relevance evaluation
Hands-on implementation with Vercel AI SDK, Vercel AI Cloud and agentic cloud patterns for production AI experiences
AI content and data engineering: ingestion, cleansing, transformation, embedding, indexing and retrieval pipeline design
Integration across cloud AI services (e.g. GCP + Vertex AI, Vercel AI Cloud, AWS Bedrock, Azure OpenAI) within a broader MACH and API-led landscape
with preference for GCP and Vercel, or suitable equivalents on AWS and Azure, and the capability to draw parallels across platforms
GEO and LLM optimisation: experience designing intelligent experiences and content structures optimised for generative engine discovery and LLM retrieval
Model fine-tuning: experience customising and fine-tuning existing models for production use cases
including data preparation, evaluation, versioning and deployment within enterprise governance, cost and reliability constraints
AI cost-value analysis, observability, governance, testing and evaluation frameworks for production systems

Job Responsibility

Lead the technical direction of complex client programmes across MACH architectures and production Generative AI
spanning Design to Code workflows, solution design and API contracts through to cloud infrastructure, deployment and ongoing operation
Own architecture decisions, write and review production code, and mentor engineers, while remaining accountable for what ships, not just what is proposed
Spend roughly 65 to 70% hands-on delivery and 30 to 35% technical leadership, architecture and team guidance
You may occasionally support pre-sales scoping or technical pitches

What we offer

Explore our extensive range of benefits here

Fulltime

Principal Engineer, UI Platform & Experiences

We are rebuilding the Tripleseat front-end on shadcn/ui, Radix, Tailwind, and Re...

Location

United States

Salary:

200000.00 - 220000.00 USD / Year

Tripleseat

Expiration Date

Until further notice

Requirements

10+ years building production UIs at SaaS scale
Humble, hungry, and smart. You have high standards and strong opinions, but low ego. You build trust, listen well, and know how to push for better outcomes while bringing others along
Deep expertise in React 18, TypeScript, Tailwind, Radix, and modern front-end tooling
Hands-on experience with shadcn/ui in a production environment, not just prototyping
Shipped AI-powered UX in production: LLM streaming UIs, tool-call flows, agentic interfaces, or RAG surfaces
Fluent in AI-native development workflows (Cursor, Claude Code, or equivalent) with demonstrated throughput gains
Strong testing philosophy with hands-on experience in component, visual regression, and end-to-end testing for production UIs
Track record of leading large front-end migrations without stalling product velocity
Strong design sensibility and a history of close partnership with Product Design leaders

Job Responsibility

Own the creation of a modern UI platform and component system that rapidly enables Tripleseat AI features
Architect the Tripleseat component system on top of shadcn/ui, Radix primitives, and Tailwind
Define theming, design tokens, composition patterns, and accessibility baselines across the product
Design AI-native UX patterns: streaming responses, tool-calling surfaces, inline assistance, agentic flows, and human-in-the-loop review
Design and own the Tripleseat UI MCP server, enabling agentic workflows and LLM-powered tooling to interact with the component system and product surfaces
Build agentic workflows that automate UI migration, component adoption, and ongoing UI consistency at scale
Lead the Kendo to shadcn migration and the overall UI modernization, collapsing two front-end codebases into one
Partner with Product and Design on the UX redesign for clarity, speed, and ease of use, directly tied to our 1H26 Defining Objectives
Set front-end engineering standards, performance budgets, and the craft bar across approximately 36 engineers
Establish front-end testing standards, including component testing, visual regression, and end-to-end coverage, and drive adoption across the engineering org

What we offer

Competitive Medical, Dental, and Vision Insurance
Company Paid Life Insurance, Short- and Long-Term Disability Plans
Supplemental Insurance Options
Commuter Benefits
401(k) with Company Match
Parental Leave
Flexible Paid Time Off
LinkedIn Learning Access
Pet Insurance
Employee Discount Programs

Fulltime

Select Country

Principal Front-end Engineer

Job Description

Job Responsibility

Requirements

Nice to have

Looking for more opportunities?