Frontend Software Engineer

Symphony is growing!  We have various opportunities for Frontend Engineers with expert JavaScript knowledge. You'll design and implement a rich, javascript-based, enterprise-class single-page messaging application, including client-based end-to-end encryption and related security in the browser. We use a modern React and Redux stack to create a dynamic and low-latency UI.  Our platform is redefining the way secure organizations communicate and make decisions.  


You'll focus on cutting edge features that balance the needs of the user with our fortune-500 customers. You’ll be solving real world problems related to messaging, notifications and prioritizing content, without compromising compliance and regulatory integration with an enterprise focus. The UI is a first class citizen in our model, and our business is built on providing features and security consideration never before combined.

  • Work with Product Designers to design and implement the next generation of Symphony’s Enterprise products
  • Build efficient and reusable frontend components
  • Identify and address performance bottlenecks
  • Contribute to every part of our product pipeline from inception to delivery
  • Desire to sweat the “small stuff” - you are dedicated to getting the details right
  • Identify and communicate best practices for frontend engineering


  • 4-5 years experience in software development with emphasis on frontend development for a "Senior" position
  • 2+ years experience in frontend development for a "Mid-level" position
  • 1+ years experience developing single page JavaScript applications
  • Foundational knowledge of vanilla JavaScript programming techniques
  • Experience working with one or more JavaScript frameworks - React, Redux / Flux, Angular, Backbone, Ember, etc...
  • Passion for performance debugging and benchmarking
  • BS degree in Computer Science, a related technical field, or equivalent experience


Here’s what we use:

  • React
  • Redux
  • Webpack
  • Babel (ES2015 / ES6)
  • Gulp
  • SASS
  • Browserify
  • Karma / Jasmine


Established in September 2014 after raising $66 million from 15 of the world’s largest financial institutions, Symphony is a secure, cloud-based workflow platform helping individuals, teams, and organizations of all sizes improve their productivity while maintaining data security and regulatory compliance. Today, Symphony is trusted by a growing list of financial services companies to communicate high-value, time-sensitive information with partners and colleagues across the globe.

In August 2015, the Enterprise Edition launched, making Symphony available to companies that handle and transfer sensitive information in regulated environments. A month later, Symphony launched worldwide, introducing its content partner ecosystem, starting with Dow Jones, McGraw Hill Financial’s S&P Capital IQ and Selerity, with others on their way.  Then, in October 2015, the company received an additional injection of over $100 million in funding from both new and existing investors. In other words, Symphony is on the move!

Now we’re looking for top-notch developers, programmers and sales engineers (etc.) to join our team in Palo Alto, CA, New York, NY, London and Hong Kong to help us change the way the world communicates. If you have the skills and savvy to work with a world-class team, and an appetite for game-changing disruption, we definitely want to hear from you.


  • Competitive salary based on experience, skills, and qualifications
  • Medical, Dental, and Vision coverage
  • 401(K) Plan
  • Life and AD&D coverage
  • Short Term and Long Term Disability coverage
  • Employee Assistance Program
  • Flexible Spending Account benefits
  • Uncapped vacation and sick time
  • Fully stocked kitchen and catered lunches
  • Discounted gym memberships
  • Many other fun and exciting benefits and activities!


  • Competitive Base Salary and Incentive (Stock Option) plan / Health/Dental/Vision/401k

(We accept existing H1B Visa applicants)

Symphony reserves the right of ownership for all unsolicited resumes submitted for this requisition and is not responsible for any fees associated with unsolicited resumes.

Symphony appreciates your interest in our company. Symphony is an Equal Opportunity Employer.


Meet Some of Symphony's Employees

Thibaud D.

Product Manager

Thibaud creates product specs for Symphony’s new features and manages them through the development cycle. He works with his team and Symphony’s clients to marry each side’s wants and needs and to create the best possible product.

Jessica B.

Visual Designer

As a visual designer, Jessica is responsible for creating what the user sees and interacts with—crafting a graphical interface that is logical and intuitive to use.

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