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Director Rust Backend Developer Jobs in Illinois

3Core Systems, Inc

Lead Java Developer

Chicago, IL · On-site

AWS, Back End, DevOps, Java, RESTful, SQL Queries Experience Desired: Lead experience over a team ... direct development, debugging, and testing of application software for accuracy, integrity ...

Databento

Software Engineer (C++/Rust)

Chicago, IL · On-site +1

... developer experience. Our team includes alumni of Two Sigma, Citadel Securities, Flow Traders ... Write message parsers and feed handlers for direct market data feeds from trading venues.

Integrated Resources INC

.NET Developer

Chicago, IL

$49.75 - $65.75/hr

Net back-end developer, with some front-end experience Needs WCF Able to confidently speak about ... GSA - Schedule 621I Direct# 732-429-1641 (BOARD) # 732-549-2030 - Ext - 305 Gold Seal JCAHO ...

SYSTEGRATION INC

Sr. Backend Java Developer

Chicago, IL · On-site

$124K - $161K/yr

We are helping our Direct Client (Fortune 100 company) to look for Top Notch/Expert Sr. Backend Java Developer for 100% Onsite Multi-Year Contract role in Chicago Downtown, Immediate Start! Client ...

SYSTEGRATION INC

Sr. Backend Java Developer

Chicago, IL · On-site

$124K - $161K/yr

We are helping our Direct Client (Fortune 100 company) to look for Top Notch/Expert Sr. Backend Java Developer for 100% Onsite Multi-Year Contract role in Chicago Downtown, Immediate Start! Client ...

Infleqtion

Senior Software Engineer (Quantum Computing)

Chicago, IL · On-site

$106K - $145K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The ideal candidate is an experienced backend engineer with a strong background in creating robust ... Experience with Python and at least one compiled language, with a desire to learn and work in Rust

Grainger Businesses

Staff Software Engineer- Backend

Chicago, IL · Hybrid

$134K - $223K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Position Details As a Staff Software Engineer (Software Engineer IV) in the Customer Order domain ... Act as a technical subject matter expert for your direct team, and throughout the domain * Drive ...

Prolaio

Lead Software Quality Engineering, Backend

Chicago, IL

$132K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Overview The Backend Software Quality Engineering Lead will oversee and actively contribute to ... direct individual contribution. You will be responsible for the integrity of our high-volume data ...

Prolaio

Lead Software Quality Engineering, Backend

Chicago, IL · On-site

$132K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Overview The Backend Software Quality Engineering Lead will oversee and actively contribute to ... direct individual contribution. You will be responsible for the integrity of our high-volume data ...

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Senior/Staff Backend Engineer, Platform, Consumer Apps - Klover

Attain

Chicago, IL • On-site

Full-time

Re-posted 3 days ago

Job description

About Attain
Klover's engineering team powers one of the fastest-growing fintech platforms in the U.S., supporting over one million active users each month. Our systems process and move more than $1.5 billion annually, enabling real-time access to financial tools, rewards, and services that help people improve their day-to-day lives.
As part of this team, you'll help design, build, and scale the systems that underpin Klover's core products and platform. You'll work on high-impact, production-grade systems that prioritize reliability, security, and performance, and that integrate with a broad ecosystem of internal and external services. The work you do will directly shape how users interact with Klover's products, access their money, and experience transparent, low-fee financial services.
Klover engineers collaborate closely with colleagues across backend, frontend, data science, and product teams to deliver scalable, high-quality solutions for a rapidly growing user base. You'll have the opportunity to work with modern technologies and architectures while helping define and evolve the next generation of inclusive, data-powered financial products-building systems and interfaces that emphasize reliability, privacy, and performance at scale.
Attain Office Hybrid Schedule (where applicable):
  • Chicago, IL: 4 days in-office; 1 day remote
You'll be a great fit for the role if
  • You are excited to build and scale backend systems that support financial products and real-time payments
  • You thrive in environments where data integrity, security, and performance are critical
  • You are excited to build microservices using Rust and Go
  • You have a willingness to learn and teach in a collaborative environment
  • You're eager to leverage and develop using AI tools
  • You've been complimented on how well you participate in an open feedback environment

What your day to day will look like
  • Build and evolve microservices that handle high-volume financial and transactional data
  • Design and implement APIs that securely connect to third-party payment processors, banks, and fintech partners
  • Write thoughtful & quality code that is readable, testable, and easily maintainable
  • Develop data-driven services that power account management, transaction history, and financial insights
  • Strive for excellent development practices and careful code architecture that is built around rapid releases
  • Work cross-functionally with backend, mobile, and product teams to consistently release high-quality, customer-focused financial features
  • Adhere to, and improve upon, our agile process through requirement documents, sprint retrospectives, and other regular cadence meetings

Preferred Qualifications
  • 5+ years of experience building backend services in production environments
  • Experience in the financial technology, payments, or banking systems industry
  • Familiarity with compliance, security, and data privacy standards (e.g., SOC 2, PCI DSS, GDPR)
  • Experience designing transactional and event-driven systems for payments, reconciliation systems, or ledger-like applications
  • Familiarity with microservice or Service-oriented Architecture
  • Experience using gRPC, protobuf, or GraphQL
  • Expert knowledge of SQL and experience designing data models for financial data integrity
  • Experience with message queues or event streams (e.g., Kafka, RabbitMQ)
  • Experience with cloud environments such as AWS, GCP, or Azure

We're excited to hear from you.
At Attain, we are passionate about finding people to continuously help us grow our organization. We encourage you to apply, even if your experience doesn't match every detail of the job description. If we don't see something that immediately fits, we will keep your resume on file for future opportunities.

Apply