Talent.com
Lead Java Engineer
Lead Java EngineerVDart Inc • Saint Louis, MO, United States
Lead Java Engineer

Lead Java Engineer

VDart Inc • Saint Louis, MO, United States
[job_card.variable_days_ago]
[job_preview.job_type]
  • [job_card.full_time]
  • [filters_job_card.quick_apply]
[job_card.job_description]

Job Title : Lead Java Engineer

Location : St. Louis MO

Duration : / Term : 6+ months

Experience Desired : 12+ Years

Job Description :

We are seeking a highly accomplished Principal Java Engineer to lead the design and evolution of large-scale, mission-critical backend systems. This role is ideal for a hands-on technical leader who combines deep Java expertise with architectural vision, performance optimization skills, and a strong engineering craftsmanship mindset.

You will define technical direction, guide engineering standards, and build highly scalable, resilient systems operating at high throughput (TPS) in cloud-native environments.

Key Responsibilities :

  • Lead architecture and design of high-scale distributed systems using Java
  • Define and enforce engineering best practices, coding standards, and design principles
  • Design scalable microservices and event-driven architectures
  • Drive performance optimization, scalability improvements, and system reliability
  • Mentor senior engineers and influence cross-team technical decisions
  • Conduct architectural reviews and provide consultative guidance
  • Ensure high code quality through TDD, code reviews, static analysis, and automation
  • Collaborate with Product, DevOps, and Platform teams to align system design with business goals
  • Lead modernization initiatives (legacy to microservices, monolith decomposition, cloud migration)
  • Contribute to observability, resilience, and fault-tolerant system design

Technical Expertise Required :

Core Java & Backend

  • Deep expertise in Java 8 / 11 / 17
  • Strong knowledge of :
  • Lambda expressions & Stream API
  • Concurrency & multithreading
  • CompletableFuture & async programming
  • JVM performance tuning & memory management
  • Extensive experience with Spring Boot / Spring Cloud

    • Architecture & Distributed Systems

  • Microservices architecture
  • Event-driven systems (Kafka or equivalent)
  • REST API design (spec-first / OpenAPI preferred)
  • High-availability & fault-tolerant system design
  • Circuit breakers, rate limiting, caching strategies
  • Horizontal scaling and high TPS environments

    • Data & Persistence

  • Strong expertise with : Oracle / DB2 / PostgreSQL / MySQL, MongoDB or other NoSQL databases
  • Data modeling for high-scale systems
  • Performance tuning (query optimization, indexing strategies)

    • DevOps & Platform

  • CI / CD (Jenkins, GitHub Actions, or equivalent)
  • Docker & Kubernetes
  • Observability tools (Prometheus, Grafana, ELK, etc.)
  • Cloud platforms (AWS / Azure / GCP)

    • Code Quality & Engineering Excellence

  • TDD / BDD
  • Static analysis tools (SonarQube)
  • Strong understanding of design patterns & SOLID principles
  • Experience in conducting architectural reviews

    • Leadership Expectations

  • Act as a technical authority and strategic advisor
  • Influence engineering culture toward craftsmanship and excellence
  • Challenge assumptions using data and performance benchmarks
  • Mentor engineers across levels
  • Drive long-term architectural vision

    • Ideal Background

  • 12 18+ years of experience in backend engineering
  • Proven track record of designing high-scale, always-on systems
  • Experience in payments, telecom, fintech, healthcare, or other high-throughput domains preferred
  • Strong communicator capable of presenting to senior stakeholders

    • Key Skills :

    Java 8 / 11 / 17, Lambda, Stream API, JVM, Kafka

    [job_alerts.create_a_job]

    Lead Java Engineer • Saint Louis, MO, United States

    [internal_linking.similar_jobs]
    Principal Architect - Value Added Services (Government)

    Principal Architect - Value Added Services (Government)

    AT and T • St Louis, MO, United States
    [job_card.full_time]
    This is a sales and customer facing position, no office requirement.AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services t...[show_more]
    [last_updated.last_updated_variable_days] • [promoted]
    Cloud Engineer - Mid

    Cloud Engineer - Mid

    CEdge Inc • Saint Louis, MO, us
    [job_card.full_time]
    [filters_job_card.quick_apply]
    CEdge has an opportunity for a Cloud .Springfield / Chantilly VA.If you are ready to work alongside World Renowned Technology experts, and carry the skills below, this is the opportunity ...[show_more]
    [last_updated.last_updated_variable_days]
    Restaurant Delivery - Start Earning Quickly

    Restaurant Delivery - Start Earning Quickly

    DoorDash • Arnold, MO, United States
    [job_card.full_time] +1
    DoorDash is the #1 category leader in food delivery, food pickup, and convenience store delivery in the US, trusted by millions of customers every day. As a Dasher, you’ll stay busy with a variety o...[show_more]
    [last_updated.last_updated_variable_days] • [promoted]
    Principal Architect - Value Added Services (Government)

    Principal Architect - Value Added Services (Government)

    AT&T • St Louis, MO, United States
    [job_card.full_time]
    This is a sales and customer facing position, no office requirement.AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services t...[show_more]
    [last_updated.last_updated_variable_days] • [promoted]
    Java Fullstack Developer

    Java Fullstack Developer

    Stellar IT Solutions LLC • Saint Louis, MO, Missouri, USA
    [job_card.full_time]
    Arial, Helvetica, sans-serif"> [show_more]
    [last_updated.last_updated_30]
    Delivery Driver - Onboarding / Onboard

    Delivery Driver - Onboarding / Onboard

    DoorDash • Columbia, IL, United States
    [job_card.full_time] +1
    DoorDash is the #1 category leader in food delivery, food pickup, and convenience store delivery in the US, trusted by millions of customers every day. As a Dasher, you’ll stay busy with a variety o...[show_more]
    [last_updated.last_updated_variable_days] • [promoted]
    Online Order Filling Team Supervisor

    Online Order Filling Team Supervisor

    Walmart • Arnold, MO, United States
    [job_card.full_time] +1
    The actual hourly rate will equal or exceed the required minimum wage applicable to the job location.Additional compensation includes annual or quarterly performance incentives.Additional compensat...[show_more]
    [last_updated.last_updated_variable_days] • [promoted]
    Remote Senior Java Engineer - AI Trainer

    Remote Senior Java Engineer - AI Trainer

    SuperAnnotate • Godfrey, Illinois, US
    [filters.remote]
    [job_card.full_time]
    As a Senior Java Engineer, you will work remotely on an hourly paid basis to review AI-generated Java code, architectural solutions, and technical explanations, as well as generate high-quality ref...[show_more]
    [last_updated.last_updated_variable_days]
    Lease Purchase Owner Operators NEW FLEETS!

    Lease Purchase Owner Operators NEW FLEETS!

    MISER LOGISTICS LLC • Oakville, MO, US
    [job_card.full_time]
    MISER LOGISTICS HAS A NEW LEASE PURCHASE OPPORTUNITY!.Owner Operators Gross Per Week : $5,000 - $12,000.Lease Payments Per Week Is a Flexible 3-5 Year Term. Full Inspection of The Vehicle : We Will Re...[show_more]
    [last_updated.last_updated_variable_days] • [promoted]
    Lead C# Software Engineer

    Lead C# Software Engineer

    duvari group • Bridgeton, Missouri, US
    [job_card.full_time]
    Job Description Job Description Lead C# Software Engineer The Lead C# Software Engineer is responsible for designing, developing, and implementing application enhancements while staying current w...[show_more]
    [last_updated.last_updated_variable_days] • [promoted]
    Data Entry Product Support - No Experience

    Data Entry Product Support - No Experience

    GLOCPA • Oakville, Missouri
    [job_card.full_time]
    We’re looking for Customer Support Product Testers across the US to work from home and help top brands improve their products before they hit the market.[show_more]
    [last_updated.last_updated_30] • [promoted]
    Deli / Bakery Team Supervisor

    Deli / Bakery Team Supervisor

    Walmart • Festus, MO, United States
    [job_card.full_time] +1
    The actual hourly rate will equal or exceed the required minimum wage applicable to the job location.Additional compensation includes annual or quarterly performance incentives.Additional compensat...[show_more]
    [last_updated.last_updated_variable_days] • [promoted]
    Jr. Java Backend Developer

    Jr. Java Backend Developer

    TechDigital Corporation • St Louis, MO, United States
    [job_card.full_time]
    Skills Matrix Skill Last Used Experience in Years / month Rating (10 points) 1 = newbie 10 = expert Hands on Exp.Yes / No Springboot Microservices Design patterns. We are specifically looking for a seni...[show_more]
    [last_updated.last_updated_variable_days] • [promoted]
    Direct Support Caregiver

    Direct Support Caregiver

    Sevita • Arnold, MO, United States
    [job_card.full_time]
    Sevita family, provides community-based services for individuals with intellectual and developmental disabilities.Here we believe every person has the right to live well, and everyone deserves to h...[show_more]
    [last_updated.last_updated_variable_days] • [promoted]
    Cloud Engineer (Mid) Order #3

    Cloud Engineer (Mid) Order #3

    CEdge Inc • Saint Louis, MO, us
    [job_card.full_time]
    [filters_job_card.quick_apply]
    CEdge has an opportunity for a.If you are ready to work alongside World Renowned Technology experts, and carry the skills below, this is the opportunity that will inevitably take your career to unb...[show_more]
    [last_updated.last_updated_variable_days]
    BGS-G ERP Value Stream Lead - Experienced, Lead and Senior

    BGS-G ERP Value Stream Lead - Experienced, Lead and Senior

    The Boeing Company • Hazelwood, MO, United States
    [job_card.permanent]
    At Boeing, we innovate and collaborate to make the world a better place.We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with great opportu...[show_more]
    [last_updated.last_updated_variable_days] • [promoted]
    Roofing Lead Generator

    Roofing Lead Generator

    Aspen Contracting • Arnold, MO, United States
    [job_card.full_time]
    Roofing, Siding And Gutter Lead Generator.As a Roofing, Siding and Gutter Lead Generator, you will engage with homeowners through door-to-door outreach, introducing Aspen Contracting's services and...[show_more]
    [last_updated.last_updated_variable_hours] • [promoted] • [new]
    Part Time Nurse Navigator RN - Vascular Surgery

    Part Time Nurse Navigator RN - Vascular Surgery

    Mercy • Arnold, Missouri, US
    [job_card.part_time]
    Find your calling at Mercy! The Nurse Navigator is nursing specialist who follows patients across the continuum of care.The Navigator coordinates with an advanced level of clinical expertise, all ...[show_more]
    [last_updated.last_updated_variable_days] • [promoted]