AWS EC2

Senior Software Engineer – Java, AWS & Payments Systems | San Jose (Hybrid)

Senior Software Engineer – Payments (Java / AWS)

📍 Location: San Jose, California
🏢 Work Model: Hybrid (3 days onsite – Mon, Tue, Thu | 2 days remote)
💼 Employment Type: Contract
Duration: 6+ months (likely extension)
🎓 Education: Bachelor’s Degree required (Computer Science or related)
📈 Experience Level: Mid-Senior
🕒 Experience Required: 5+ years
🌎 Visa Sponsorship: Not available

🚀 Role Overview

We’re hiring a Senior Backend Engineer to build and scale high-performance payment systems in a fast-growing fintech environment.

This role is focused on Java-based microservices and AWS cloud architecture, supporting secure, scalable, and low-latency transaction systems.

You’ll work on mission-critical payment infrastructure, collaborating with product and engineering teams to deliver next-generation capabilities.

✅ MUST HAVE (Core Requirements)

Backend Engineering

  • 5+ years experience designing, developing, and operating:

    • Distributed systems

    • Microservices architectures

  • Strong hands-on expertise in:

    • Java (Spring Boot preferred)

Cloud (AWS)

  • Proven experience building and supporting applications on:

    • AWS (EC2, RDS, Lambda, API Gateway)

  • Ability to design scalable, reliable, cloud-native systems

⭐ NICE TO HAVE

  • Experience in payments or fintech environments

  • Knowledge of:

    • PCI compliance, encryption, and secure payment systems

  • Familiarity with:

    • AI coding tools (e.g., GitHub Copilot or similar)

  • Master’s degree in Computer Science or related field

🛠️ Key Responsibilities

Backend & System Design

  • Design and build scalable microservices and APIs

  • Develop low-latency, high-availability systems

  • Ensure systems are secure, resilient, and production-ready

Cloud & Infrastructure

  • Build and maintain services on AWS

  • Support CI/CD pipelines and automated deployments

  • Optimize for performance, cost, and scalability

Reliability & Operations

  • Implement monitoring, logging, and alerting

  • Troubleshoot and resolve production issues quickly

  • Ensure high system uptime and performance

Collaboration & Ownership

  • Work closely with:

    • Product managers

    • Engineers

    • Stakeholders

  • Participate in:

    • Code reviews

    • Design discussions

    • Technical decision-making

  • Take ownership of critical backend systems

⚡ Interview Process

  • 2 stages only (fast turnaround):

    1. Technical interview (includes light live coding)

    2. Hiring manager conversation

📌 Submission Requirements (MANDATORY)

Please include a short 3–5 bullet summary covering:

  • Java + AWS experience

  • Key project highlights (especially backend / distributed systems)

  • Availability & interest level

  • Confirmation of hybrid (San Jose) alignment

🎯 Ideal Candidate

  • Strong backend engineer first (not full-stack leaning frontend)

  • Hands-on builder of distributed, cloud-native systems

  • Experience working in high-scale or transaction-heavy environments

  • Comfortable owning systems end-to-end in production

 

Senior DevOps / Linux Systems Engineer – Top Secret Clearance (Onsite, St. Louis MO)

DevOps / Linux Systems Engineer (Senior) – Top Secret Clearance Required

📍 Location: St. Louis, Missouri (Onsite Only)
🏢 Work Model: 100% Onsite
💼 Employment Type: Full-Time
💰 Salary Range: $100,000 – $180,000
🔐 Clearance: Top Secret (CI Poly required upon hire)
🎓 Education: Bachelor’s Degree Required
🚚 Relocation Assistance: Available

About the Role

This is a mission-critical DevOps / Linux Systems Engineering role supporting highly secure, operational cloud and on-premise geospatial systems. You’ll take a technical leadership position within a mission operations team responsible for sustaining and evolving classified environments used by government stakeholders.

This role is ideal for an experienced Linux-focused DevOps Engineer who thrives in secure, high-stakes environments and enjoys owning system reliability, automation, security hardening, and operational excellence.

What You’ll Be Doing

  • Lead system changes, upgrades, and continuous improvements across secure on-prem and AWS environments

  • Serve as a technical escalation point, working directly with government and contractor stakeholders

  • Proactively monitor system health and perform advanced diagnostics and remediation

  • Deploy security patches, STIGs, and bug fixes across test and production environments

  • Build, manage, and automate AWS-based Linux systems

  • Maintain and update critical databases and operational datasets

  • Author and maintain operational documentation, SOPs, and troubleshooting guides

  • Respond to security findings and compliance reports with speed and precision

Required Qualifications

  • Active Top Secret Clearance with willingness to sit for a CI Polygraph

  • CompTIA Security+ (or equivalent DoD 8570 certification)

  • Bachelor’s degree with 8–12 years relevant experience
    (or Master’s with 6–10 years)

  • Advanced Linux administration experience (RHEL 7+)

  • Strong AWS / cloud automation experience (must-have)

  • Hands-on experience building, patching, and STIG’ing Linux servers

  • Experience with Windows Server administration

  • Strong troubleshooting, analytical, and documentation skills

  • Excellent written and verbal communication skills

Highly Desired Skills

  • Ansible playbooks and infrastructure automation

  • AWS automation tooling and scripting

  • Experience with:

    • ArcGIS / ESRI deployments

    • RDS and SQL technologies

    • Apache NiFi

    • Python (including ML-related workflows)

    • Tomcat

  • Familiarity with IC cloud architecture methodologies

  • Team collaboration tools (Jira, Confluence, RocketChat)

  • AWS Certifications (Solutions Architect, Developer, etc.)

Ideal Candidate

  • Senior-level Linux Systems Engineer with strong DevOps instincts

  • Proven experience automating AWS infrastructure in secure environments

  • Comfortable owning system lifecycle: build → secure → operate → sustain

  • Detail-oriented, proactive, and confident operating in classified settings

  • Security+ certified and CI Poly-ready

Benefits & Perks

  • 3 weeks paid time off

  • 11 Federal holidays

  • Medical, dental, vision coverage

  • Short & long-term disability

  • Life insurance & AD&D

  • 401(k) with up to 4% match (immediate vesting)

  • End-of-year profit sharing

  • Relocation assistance

  • Ongoing technical training & certifications

Additional Information

  • Security Clearance Required: Yes

  • Visa Sponsorship: Not available

  • Travel: None