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Symphony // cloud communication platform
Engineering, Full Time    London    Posted: Tuesday, August 03, 2021
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About us @Symphony 

Weve spent the last 6 years building the financial markets largest, most trusted communication network. Over 500 market participants across the buy-side, sell-side, securities servicing, & beyond. Over half a million users from trading desks to operations & custody teams interacting securely & in real-time on Symphony.

But that was only chapter one. Were now using our technology foundation to accelerate far beyond secure collaboration to become the standard connective layer that enables more efficient & automated workflows across the industry to bring the future to financial markets.

The opportunity & our ambition are huge. But we need passionate, dedicated individuals to get there. At Symphony we work hard & fast. Our unique blend of technology & financial services makes it an environment you won't get elsewhere.

The Information Security team, responsible for infrastructure & application security, is seeking an Application Security Engineer. Security is paramount to the value of our Symphony Platform. This is an opportunity for a hands-on Java / Javascript Security Engineer to develop expert-level skills in secure coding practices for popular programming languages like Java & JavaScript. Symphony is used by over 350 regulated companies in critical sectors such as Financial Services. The successful candidate will play a key role in preserving our commitment to our Customers by keeping their information on Symphony secure.


  • Develop expertise in secure coding techniques, including Java, JavaScript via training & hands-on learning
  • Advise Product & Engineering teams on security solutions to protect the Symphony Platform as well as provide mentorship to secure design
  • Perform security reviews & threat modeling for critical Symphony Platform functionality & mobile applications
  • Establish secure coding guidance for Symphonys Security risk, compliance, & policy initiatives
  • Provide security expertise in the analysis & remediation phases of security events, vulnerabilities, & incidents
  • Promote security within Symphony, support Security Education Training & Awareness campaigns


  • Passion for security, ability to learn quickly new skills & pursue Security Certification (e.g., GSEC, CISSP)
  • Proficient in one programming language Java or JavaScript preferred
  • Basic understanding of industry standard security best practices such as OWASP Top 10
  • Good interpersonal & communications skills & the ability to collaborate closely with both technical & non-technical audiences
  • Knowledge of web & mobile application vulnerabilities, attacks, & mitigation methods
  • Experience with Cloud applications (AWS, Google Cloud)
  • Experience with collaboration tools, coding for mobile applications (iOS or Android) & voice/video is a plus
  • BS in Engineering or Computer Science

Were looking for outstanding talent to join our team to help us change the way the world communicates. If you have the skills & savvy to work with an elite team & an appetite for groundbreaking disruption, we want to hear from you!


Benefits & Perks:

  • Regional specific competitive benefits
  • Build your own Benefits (BYOB) perk
  • Fully stocked kitchen & catered or reimbursed lunches
  • Many other fun & exciting benefits & activities!


  • Competitive salary
  • Bonus Plan
  • Benefits & Perks vary based on location.

We are an equal opportunity employer & value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, & to receive other benefits & privileges of employment. Please contact us to request an accommodation.

All of the information provided by you in this Application will be processed by Symphony in compliance with applicable data privacy laws & regulations, including but not limited to the EU General Data Protection Regulation (GDPR). Please refer to our Candidate Portal Policy for further information about how Symphony processes your personal data, Symphonys legal basis for such processing, & the rights that you have with respect to your personal data that Symphony processes.  For any questions you may have in this regard, please contact

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