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Lead Java Backend Developer / Lead Fullstack Java Developer

Mindlance

US · Hybrid Contract Lead $60 – $80/hr Yesterday

About the role

Client

Banking/Financial Industry

Title

Lead Java Backend Developer / Lead Fullstack Java Developer / Principal Fullstack Java Developer / Lead Java Developer / Technical Java Lead - Payments System OR Banking & Financial

Location

Iselin, NJ / Charlotte, NC – Hybrid Roles

Duration

12‑24+ months (extend or convert based on performance) – No C2C, H1B Transfer

Openings Overview

  • 07 Openings – Looking for 10+ years of Java, Core Java, Springboot, Microservices, Kafka, MongoDb; payment background is a plus (if not, banking/financial background is a plus)
  • 10 Openings – Looking for Core Java V17 with strong SQL (writing complex SQL queries, stored procedures, white‑board Java algorithm coding – in‑person interview of 1.5 hours)
  • 30 Openings – Lead Java Backend Roles (see details below)
  • 5 Lead Fullstack Java Developer Openings – $90/hr on W2 & $160K for H1B’s

Compensation

  • Pay would be $90 per hour on W2 and $160K for H1B’s

Skill Distribution

  • 70 % Full‑Stack Engineering – (.NET, Python, or Java)
  • 20 % AI / ML Experience – Must be relevant within the last 2 years
  • 10 % Cloud – Any cloud platform is fine (team currently uses Azure / OpenShift)

Key Expectations

  • Candidates should understand how to build, model, act as a proxy, and develop/fix code.
  • Data Scientists are not the right fit for this team; most were let go previously.
  • Team will eventually build an in‑house framework, so candidates with any tool background are acceptable.
  • Should not be rigid about specific tech/tools—openness to what works best is preferred.
  • Planning for AI implementation with a need for careful yet quick execution.

Expert Skills (Lead Java Backend Roles)

  • Core Java
  • Kafka
  • MongoDB
  • SpringBoot
  • REST APIs
  • Jira / Confluence
  • Agile Delivery

Nice to Have Skills

  • OpenShift
  • Azure
  • Kubernetes
  • ReactJS
  • Spring Integration

Required Experience

  • 3+ years’ experience in financial sector with payments experience (wires, ACH, and/or Instant Payments)

Desired Knowledge

  • ISO 20022 messaging

Required Skills (General)

  • Core Java, Spring Boot – 10+ years
  • React.js OR Angular – React highly preferred
  • Microservices – 5+ years
  • MongoDB – 5+ years
  • Oracle, Microsoft SQL Server – 5+ years
  • Kafka – 5+ years
  • Apigee – 5+ years
  • Kubernetes – 3+ years
  • Cloud (PCF, Azure) – 3+ years
  • GitHub – 3+ years
  • CI/CD (Jenkins, UCD / Harness, Blackduck, Check Marx, Sonar) – 3+ years

Responsibilities (Lead Fullstack Java Developer)

  • Have advanced Object‑Oriented development skills to create Java code that can be easily maintained and extended to meet growing demands.
  • Have solid RESTful web services and web UI development skills to create UIs.
  • For new development, work with business partners and upcoming regulatory guidelines to understand needs, analyze, and design necessary software.
  • Design solutions that meet business needs encompassing the full technology stack—from backend database design, front‑end views, and back‑end services—and work with other developers to meet requirements.
  • Work as an individual contributor and coordinate with cross‑functional engineers to deliver functional enhancements and platform improvements.
  • Assure quality, maintainability, and extensibility for supported systems and risk applications.
  • Serve as a key technical resource on the team building sophisticated and complex risk applications.

Qualifications (Lead Fullstack Java Developer)

  • BS/BA in Computer Science, Engineering, or related discipline
  • Strong analytical skills with high attention to detail and accuracy
  • Good verbal, written, and interpersonal communication skills

Top Skills

  • 5+ years full‑stack development
  • Core Java
  • Angular or React
  • Advanced SQL queries

Preferred Qualifications

  • Big Data (Iceberg, Spark, Hadoop)
  • Capital Markets – a soft nice‑to‑have
  • Experience maintaining existing applications and redesigning for future relaunch (project timeline 2‑3 years)
  • Use Java and SQL to pull data from risk calculation reports, aggregate data up the risk management chain, and modernize the database using the Iceberg Big Data platform

Specific Role: Full Stack Java Lead Engineer – React

Required Qualifications

  • 7+ years of Software Engineering experience (or equivalent through work, consulting, training, military, education)
  • Full Stack Java Lead engineer for PREVENT modernization project delivery and maintenance/support of legacy Java application; React/JS, MicroFrontEnd, Microservices experience a MUST
  • 7+ years of Core Java experience
  • 3+ years of JavaScript frameworks experience
  • 3+ years of Spring experience (preferably Spring Boot, MVC), ORM (Hibernate, Spring Data JPA)
  • 3+ years of Agile experience
  • 3+ years of Web Services experience
  • 3+ years of experience with database technologies (preferably Oracle DB)
  • 3+ years of experience with build tools like Gradle and Maven
  • 3+ years of experience with Java testing frameworks (JUnit, Mockito, etc.)
  • 3+ years of experience developing web applications utilizing HTML5
  • Experience developing fraud management UI applications
  • React JS experience
  • Microservices experience
  • Cloud computing experience
  • Kafka experience

EEO Statement

Mindlance is an Equal Opportunity Employer and does not discriminate in employment on the basis of – Minority/Gender/Disability/Religion/LGBTQI/Age/Veterans.

Requirements

  • 7+ years of Software Engineering experience, or equivalent demonstrated through one or a combination of the following: work or consulting experience, training, military experience, education.
  • React/JS, MicroFrontEnd, Microservices experience a MUST.
  • 7+ years of Core Java experience
  • 3+ years of JavaScript Frameworks experience
  • 3+ years of Spring experience (preferable spring boot, MVC), ORM (Hibernate, Spring Data JPA)
  • 3+ years of Agile experience
  • 3+ years of Web Services experience
  • 3+ years of experience with database technologies preferably Oracle DB.
  • 3+ years of experience in the build tools like Gradle and Maven.
  • 3+ years of experience in Java testing framework like Junit framework, Mockito etc.
  • 3+ years of experience developing web applications utilizing HTML 5
  • Experience developing Fraud management UI applications
  • React JS experience
  • Microservices experience
  • Cloud computing experience
  • Kafka experience

Responsibilities

  • Candidates should understand how to build, model, act as a proxy, and develop/fix code.
  • The developer will work in a team to create new risk processes, and to re-factor, and in some cases completely re-architect and replace, large components of the existing application.
  • Have advanced Object-Oriented development skills to create Java code that can be easily maintained and extended to meet the growing demands.
  • Have solid RESTful web services and web UI development skills to create UIs.
  • For new development, the developer will be expected to work with business partners as well as upcoming regulatory guidelines to understand the needs and requirements and to analyze and design the necessary software.
  • Design solutions that meet the business needs encompassing the full technology stack from backend database design, front end views and back-end services and working with other developers to meet the requirements.
  • The developer is expected to work as an individual contributor and coordinate with cross functional engineers to deliver functional enhancements and platform improvements
  • Assures quality, maintainability, and extensibility for supported systems and risk applications.
  • Key technical resource on team building sophisticated and complex risk applications
  • Full Stack Java Lead engineer for PREVENT modernization project delivery as well as maintenance/support of legacy Java application.

Skills

AngularApigeeAzureCloudCore JavaGitHubHadoopHibernateHiringIcebergInstant PaymentsISO 20022JavaJava Algorithm CodingJiraJavaScriptJenkinsKubernetesKafkaMicroFrontEndMicroservicesMicrosoft SQL ServerMongoDBMVCMySQLOpenShiftOracleORMPythonPCFReactReactJSREST APIRESTfulSparkSQLSpringSpring BootSpring Data JPASpring IntegrationStored ProceduresUIUCDWeb ServicesWires

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