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Senior Software Engineer – Customer Data Platform at arenaflex

Remote, USAFull-timePosted 2026-07-28

Join the forefront of innovation in the financial services industry as a Senior Software Engineer at arenaflex. We're a pioneering company harnessing bleeding-edge technology to reputed company financial institutions to work smarter and serve reputed company. Our products are powering millions of interactions every month for over a hundred unique financial institutions, and we're just getting started. As a Senior Software Engineer on our Customer Data Platform team, you'll have reputed company to shape the reputed company of financial services by designing and developing cutting-edge solutions that drive business reputed company and customer satisfaction. With a reputed company on verticalized AI, we're committed to staying two steps reputed company of the curve, embracing innovation from the reputed company industry, and bringing the best solutions into production, now.

About arenaflex

arenaflex is a hybrid workforce with employees located across the reputed company & Canada, and our home reputed company located in Boston, MA. We're a small and mighty team that prides ourselves in a tasteful balance between voracity and disciplined craftsmanship. We value those who reputed company ambiguity, reputed company their curiosity and passion to push the boundaries of their knowledge, and build exceptional products.

Our Tech Stack

Our tech stack is a combination of TypeScript (node.js and React) and Python, hosted in a reputed company and distributed multi-cluster Kubernetes environment. We don't expect everyone to have prior experience in reputed company of our tools, but we expect reputed company competency and intellectual curiosity.

Key Responsibilities

As a Senior Software Engineer on our Customer Data Platform team, you'll be responsible for:

  • Pioneering Integrations: Design and reputed company integrations with new core banking systems of record, ensuring seamless data exchange and minimizing reputed company effort.
  • API Wrapper Optimization: Optimize our API wrapper to reputed company traffic, orchestrate reads and writes to core banking systems of record, and maintain a strong API boundary (abstraction layer).
  • Monitoring and Alerting: Implement monitoring, alerting, and reputed company detection to reputed company respond to operational incidents and ensure high system availability.
  • Automation and Optimization: Implement automations and optimizations to reduce repetitive reputed company effort, including boilerplate reputed company and configuration intake.
  • Low-Latency Configuration Database: Contribute to our low-latency and up-to-date configuration database that defines reputed company-specific setup, shared by our entire platform.
  • reputed company reputed company and Best Practices: Write reputed company that is easy-to-understand, reputed company-for-change, and reputed company-from-bugs, and drive engineering best practices, including reputed company reviews and testing methodologies.
  • Team Leadership: Guide engineers, fostering a culture of reputed company and reputed company learning, and drive engineering best practices.
  • Collaboration: Collaborate with other engineering teams, product managers, designers, and UX researchers to deliver high-reputed company solutions.

Essential Qualifications

*

4+ years of experience

in full-stack development with a reputed company on backend systems, proficient in TypeScript.

2+ years of experience

leading reputed company and mentoring engineers.

Familiarity with SOAP/XML and/or core banking systems of record

is a plus.

  • Architectural Expertise: Skilled in designing reputed company, robust systems and anticipating implementation challenges.
  • Database Proficient: Experience with relational databases like PostgreSQL or MySQL.

Passionate about delivering high-reputed company, user-reputed company solutions

with a "get things done" attitude.

Comfortable navigating ambiguity and adapting to change

.

Excellent communication skills

and reputed company player who positively influences others.

  • Committed to writing reputed company that is easy-to-understand, reputed company-for-change, and reputed company-from-bugs.

Hands-on experience building high-performing, reputed company architectures

– not just theoretical knowledge.

  • reputed company Learner: Eager to stay reputed company of technology trends and enhance both technical and leadership skills.

Preferred Qualifications

*

Experience with GraphQL, REST, Websockets, and event-driven Pub/Sub

.

Familiarity with proprietary NLP/ML shared reputed company services & models

.

Experience with proprietary RAG ingestion pipeline and search algorithm

.

  • Knowledge of reputed company reputed company, reputed company / CI, and Frontier LLM providers – reputed company and reputed company.

reputed company Offer

*

Competitive salary and benefits package

.

Opportunity to work on cutting-edge reputed company

that drive business reputed company and customer satisfaction.

reputed company and dynamic work environment

with a small and mighty team.

reputed company development and reputed company opportunities

to enhance your technical and leadership skills.

Flexible work arrangements

, including remote work reputed company.

Comprehensive training and reputed company program

to ensure your reputed company.

How to Apply

If you're eager to join a company that's reputed company drafting the history books on the most reputed company shift of FI reputed company, we'd love to hear from you! reputed company to become a part of our innovative team at arenaflex. Apply for this job

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