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Senior C# Cloud Mobile SQL DevOps

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5mo ago

Java Fullstack Developer with AI

Openkyber Alaska

Alaska

5mo ago Closed

Contract Backend Developer API APIs

This position is no longer accepting applications (closed Jun 6, 2026).

Job Description

Openkyber is seeking a Java Fullstack Developer with AI for a contract engagement located in Alaska (hybrid). The role supports Minnesota government programs, emphasizing a Spring and Hibernate backend, RESTful services, dynamic forms, and accessible front-end interfaces, with Azure and CI/CD experience. The position requires a minimum of 3 years of professional experience.

Responsibilities

Collaborate with business users, analysts, QA, and development teams to interpret review program requirements and translate them into concrete designs and working software.
Support risk assessment, effort estimation, progress reporting, and project planning activities.
Create architecture diagrams, data models, specifications, API contracts, and component designs aligned with industry best practices.
Design and implement a new module covering dynamic form construction, review workflows, scheduling, findings, corrective actions, and document management.
Develop program specific electronic forms across various contexts with validations, scoring logic, and full form lifecycle management.
Implement RESTful APIs and backend services using Java, Spring MVC, Hibernate/JPA, and SQL.
Build responsive, mobile-friendly user interfaces with approved front-end frameworks, including client-side validation and WCAG 2.1 AA accessibility.
Implement document upload, storage and retention with metadata tagging and secure retrieval using approved solutions.
Develop scheduling components for review phases, notifications, and deadlines using Quartz or equivalent solutions.
Integrate search capabilities, caching, and performance optimizations where appropriate.
Support complex reporting requirements, including USDA 640 submissions and related transparency reports.
Deliver clean, secure, maintainable code with thorough test coverage using JUnit, Spring Test, or equivalent frameworks.
Identify and resolve defects, performance bottlenecks, and security vulnerabilities while following secure coding and compliance standards.
Produce documentation covering architecture, APIs, workflows, data models, deployment procedures, and support operations.
Provide knowledge transfer and technical training to internal staff and support teams.
Mentor peers, participate in code reviews, and promote development best practices.
Work autonomously to design and deliver assigned features while coordinating with the broader project team to align with milestones and goals.

Requirements

Minimum experience: 3 years

Over ten years of professional experience delivering enterprise Java applications and complex multi-module systems.
At least three years designing or architecting scalable, secure applications using the Spring ecosystem and cloud-based services.
Deep expertise across the Spring stack, including Spring MVC, Spring Data JPA, Spring Security, and Spring Validation.
Strong proficiency with Hibernate/JPA, domain-driven modeling, transactional integrity, and relational schema design.
Hands-on experience building and consuming RESTful APIs, API versioning, and API documentation.
Experience delivering responsive, accessible front-end interfaces using HTML, JavaScript, jQuery, Bootstrap, or modern frameworks such as React or Angular, with WCAG 2.1 AA compliance.
Experience building configurable or dynamic form systems, workflow or state-machine logic, and rule-driven validation.
Strong SQL skills with SQL Server, including writing and optimizing complex queries, indexing, and handling large datasets.
Practical experience implementing document upload, metadata tagging, retention rules, and secure retrieval.
Experience generating complex regulatory or compliance reports.
Solid understanding of application performance tuning, query optimization, and diagnosing CPU/memory constraints using profiling tools.
Extensive experience writing automated tests using JUnit, Spring Test, or equivalent frameworks.
Hands-on experience with CI/CD pipelines, automated builds, and deployment automation.
Strong knowledge of secure coding practices, including protections against SQL injection, XSS, CSRF, parameter tampering, insecure deserialization, and related vulnerabilities.
Experience proactively identifying security risks, implementing mitigations, and conducting security-focused code reviews.
Experience working in Agile or Scrum teams, including planning, estimation, and iterative delivery.
Familiarity with Azure cloud services.
Proven ability to write production-grade code independently while mentoring peers and supporting other developers.
Experience serving in a technical lead or solution engineer role, including evaluating approaches and ensuring alignment with enterprise standards.
Experience designing modular, extensible architectures for complex, workflow-driven systems with dynamic forms, configurable business rules, and state management.
Experience working in government, regulatory, or compliance-driven environments with strict audit, reporting, and data governance requirements.

Technologies

Java
Spring MVC
Spring Data JPA
Spring Security
Spring Validation
Hibernate/JPA
RESTful APIs
HTML
JavaScript
jQuery
Bootstrap
React
Angular
SQL Server
JUnit
Spring Test
CI/CD
Azure
Quartz

Sample Tasks

Engage with business users, analysts, QA, and developers to interpret review program requirements and translate them into technical designs and working software.
Support risk identification, effort estimation, status reporting, and project planning activities.
Produce architecture diagrams, data models, specifications, API contracts, and component designs aligned with best practices.
Design and implement the new module including dynamic form building, review workflows, scheduling, findings, corrective actions, and document management.
Develop program specific electronic forms across various contexts with validations and form lifecycle states.
Build RESTful APIs and backend services using Java, Spring MVC, JPA/Hibernate, and SQL.
Create responsive, mobile friendly user interfaces with approved front end frameworks; implement client side validation and accessibility.
Implement document upload, storage, retention, metadata tagging, and secure retrieval using approved solutions.
Develop and maintain scheduling components for review phases, notifications, and deadlines using Quartz or equivalent solutions.
Integrate search, caching, and performance improvements where applicable.
Implement complex reporting requirements, including USDA 640 submissions and transparency reports.
Write clean, secure, maintainable code with comprehensive test coverage using JUnit, Spring Test, or equivalent.
Identify and resolve defects, performance bottlenecks, and security vulnerabilities; adhere to secure coding and compliance standards.
Produce documentation for architecture, APIs, workflows, data models, deployment procedures, and support operations.
Provide knowledge transfer and technical training to internal staff and support teams.
Mentor and guide other developers, support code reviews, and promote development best practices.
Work independently to design and deliver assigned features while coordinating with the larger project team to ensure alignment with milestones and goals.

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5mo ago

Software Developer -Android III

Covenant Eyes Owosso, MI 🇺🇸 Remote

Owosso, MI

5mo ago Closed

Full time Android Design Git

This position is no longer accepting applications (closed Jun 6, 2026).

Job Description

Covenant Eyes is seeking an experienced Android Developer to design robust architectures and collaborate with Product, Designers, Backend and QA from Owosso, MI with remote options, delivering scalable, high-performance, secure mobile apps.

Responsibilities

Partner with Product and Design teams to translate broad requirements into solid Android architectures.
Contribute to defining the how and why behind our mobile strategy.
Collaborate with Backend and QA to design resilient APIs and integration points, ensuring efficient communication between apps and core infrastructure.
Maintain and advance coding standards.
Advocate for clean architecture, perform code reviews, and keep the codebase maintainable and scalable.
Deliver high-performance, testable code for the core application.
Tackle complex challenges from UI responsiveness to deep system integrations.

Requirements

Bachelor’s degree in Computer Science or closely related field, or equivalent practical experience.
Three to five years of professional Android development experience.
Proficiency with Kotlin.
Familiarity with AI assisted development tools such as GitHub Copilot and Cursor; comfortable using AI to accelerate coding, refactoring, and unit test generation while preserving quality.
Proven track record building elegant, efficient, secure, and maintainable mobile apps.
Experience designing scalable apps using MVVM, MVI, or Clean Architecture patterns.
Solid understanding of Android design principles and challenges such as fragmentation, background execution, and permissions.
Strong background in unit testing and UI testing.
Experience with GitHub version control and working in an Agile team.
Excellent written and verbal communication skills.

Technologies

Android
Kotlin
Android SDK
GitHub
GitHub Copilot
Cursor
MVVM
MVI
Clean Architecture

Benefits

Health, Vision, and Dental insurance active on Day 1.
401(k) with company matching.
Employee ownership.
Generous PTO, flexible work hours, and paid Birthday off.
Remote-friendly and distributed team mindset.

Would also be great if you had

Deep understanding of the Android SDK, multiple Android versions, and legacy Java support.
Experience with Test-Driven Development (TDD).
Experience with design UX and high-fidelity user interface implementation.
History of apps published in the Google Play Store.
Familiarity with CI/CD pipelines for Android.
Experience with backend integration and low-level native device APIs.
Experience coaching and mentoring junior developers.

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5mo ago

Sr Software Developer, Full Stack

Antech Systems, Inc. Remote 🇺🇸 Remote

Remote

5mo ago Closed

$115k - $145k/yr Full time Senior .NET .net Maui

This position is no longer accepting applications (closed Jun 6, 2026).

Job Description

Senior full-stack software developer role supporting Antech Systems' performance solutions team on a Fleet-focused web application under NAWCAD WOLF ASI, with remote work available.

Responsibilities

Build and refine dynamic user interfaces
Design and adjust integrated business logic workflows
Support a Fleet-focused website/application under NAWCAD WOLF ASI
Focus on a Joint program user collaboration portal and software toolkit
Collaborate on projects and cross-discipline teams delivering mission information systems via containerized, web-deployed solutions across sustainment, safety, and analytic components of Fleet and Systems Sustainment workflows
Create reusable, scalable components, modules, libraries, or microservices
Automate workflows and business processes
Perform data transformations
Convert XML into HTML5 dynamic content
Demonstrate experience across multiple layers of the traditional Cloud/Web stack

Requirements

Bachelor’s degree in computer science, mathematics, engineering, science, media development, or information/data disciplines with at least 8 years of experience
Associate degree in a relevant field with at least 10 years of experience
High school diploma or GED with at least 14 years of experience
A relevant professional certification (Security+, SAFe Agile Software Engineer/SAFe for Architects, MCSD, JavaScript Developer Certification, Container technologies/development, etc.) may substitute for 1 year of experience
Certifications in HTML5, XML, CSS3, JavaScript, mobile application development, or MCSA are beneficial but do not substitute for required education/experience
U.S. citizenship required and ability to qualify for a Security Clearance; active Security Clearance is a plus
Position may require travel up to 10 percent of the time, mostly within 300 miles of NAS Pax River
Selected candidate must obtain Security+ or a higher level cybersecurity certification within 4 months of start

Technologies

JavaScript
HTML5
XML
CSS3
MAUI
jQuery
AJAX
YAML
JSON
JSON-P
Container technologies/development

Benefits

Health, dental, and vision insurance
401(k) retirement plan with company match
Life insurance
Long-term and short-term disability insurance (LTD/STD)
Employee Stock Ownership Plan (ESOP)
Vacation, sick and holiday leave
Parental leave

Salary

USD 115,000 - 145,000 per year

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5mo ago

Senior Flutter Developer

Novisync Remote 🇺🇸 Remote

Remote

5mo ago Closed

Full time Senior Flutter Mobile

This position is no longer accepting applications (closed Jun 6, 2026).

Job Description

Novisync is seeking a Senior Flutter Developer to help build scalable mobile experiences for a remote team. This position is open to candidates located in the United States, reflecting the company’s flexible approach to remote work. The role centers on Flutter development and delivering production mobile apps, with a strong emphasis on sound object oriented design and SOLID principles.

Location

Remote, United States

Technologies

Flutter

Requirements

5+ years software development experience
4+ years mobile app development (Flutter preferred)
Experience delivering at least 3 production mobile apps
Strong OOP and SOLID principles

From a practical perspective, candidates should bring 5+ years of software development experience and 4+ years in mobile app development, with Flutter as the preferred technology. A demonstrated track record of delivering at least three production mobile applications and a strong grounding in object oriented programming and SOLID design will be essential for success in this role.

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5mo ago

Sr. Embedded Software Developer

Lynx Software Technologies, Inc. Remote 🌍 Remote

Remote

5mo ago Closed

$130k - $160k/yr Full time Senior Embedded Embedded Development

This position is no longer accepting applications (closed Jun 6, 2026).

Job Description

This remote, senior level role at Lynx Software Technologies focuses on guiding the architecture and implementation of the LynxOS-178 RTOS and related hypervisor features for the Mosaic platform. The position emphasizes driver development, virtualization across x86 and ARM, and cross-functional leadership. Salary range is USD 130,000 - 160,000 per year.

Responsibilities

Design, develop, and maintain embedded software with an emphasis on real-time performance and reliability.
Integrate, develop, and optimize core hypervisor components with attention to performance, scalability, and security.
Troubleshoot and resolve complex system-level issues, distinguishing hardware versus software root causes.
Ensure smooth integration with RTOS, Linux, and mixed-criticality applications within the Mosaic platform.
Explore emerging technologies in virtualization, isolation, and mixed-criticality systems.
Mentor engineers across teams to cultivate future technical leaders within the company.

Requirements

5-8+ years of experience developing systems-level software, including virtualization, OS kernels, or hypervisors for x86/ARM.
Experience on at least one RTOS (such as LynxOS-178, VxWorks, QNX, FreeRTOS) or Linux kernel space development.
Experience with performance analysis tools (perf, ftrace) and packet capture tools (tcpdump, Wireshark).
Strong debugging skills in low-level system software and the ability to resolve complex performance and reliability issues.
Strong communication skills and the ability to manage multiple projects simultaneously.
Expert proficiency in C/C++ with working knowledge of x86/ARM assembly for low-level tasks.
Deep understanding of x86 and ARM architectures, including virtualization extensions.
Proven track record architecting and implementing hypervisor technologies (e.g., KVM, Xen, VMware, Hyper-V) at the source code level.
Familiarity with modern development workflows (CI/CD, DevSecOps) as applied to low-level systems software.
Demonstrated leadership, driving technical decisions and mentoring engineers.
Must be a US Citizen.
Willingness to travel up to 25% of the time.

Technologies

LynxOS-178
MOSA.ic
MOSA.ic.SCA
Vigiles
KVM, Xen, VMware, Hyper-V
C, C++, x86 assembly, ARM assembly
x86, ARM, Linux, Linux kernel
VxWorks, QNX, FreeRTOS
CI/CD, DevSecOps
perf, ftrace, tcpdump, Wireshark
DO-178C, ISO 26262

Benefits

Low-cost medical, dental, and vision coverage options
401K with generous employer match
Responsible paid time off plus 11 paid holidays
Remote work opportunities based on role
Employee Assistance Program (EAP)
Career growth and professional development opportunities

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5mo ago

Senior iOS Developer – Mobile Digital Identity (mDL)

AHU Technologies Inc Washington, DC

Washington, DC

5mo ago Closed

$100 - $110/hr Contract Senior Credential Management Digital Wallets

This position is no longer accepting applications (closed Jun 6, 2026).

Job Description

Senior iOS Developer for Mobile Driver License (mDL) within the DMV modernization and digital identity ecosystem.

Responsibilities

Spearhead end-to-end native iOS development using Swift and current iOS architectural patterns.
Integrate Apple identity frameworks, including Secure Enclave backed credential storage, Wallet based identity SDKs, and cryptography APIs.
Implement secure communication flows in line with industry standards, including ISO aligned mobile identity protocols and related data exchange specs.
Develop and maintain hardware interactions such as NFC, BLE, device engagement, and secure element exchanges for digital identity workflows.
Collaborate with backend service teams to align with API specifications, secure data contracts, and identity-based authentication flows.
Troubleshoot, debug, and optimize across UI, networking, cryptography, and device hardware interfaces.
Ensure compliance with Apple platform security guidelines, privacy requirements, and best practices for handling sensitive identity data.
Provide architectural guidance, code reviews, and mentorship to junior mobile engineers.
Partner with product owners, security architects, QA engineers, and business stakeholders to define and deliver robust mobile capabilities.
Keep technologies updated with current, stable, and enterprise-grade architecture and applications.
Collaborate with internal teams to design and architect software solutions.
Develop, test, and deploy applications and systems.
Revise, update, refactor, and debug code as part of ongoing maintenance.
Improve existing mobile applications and systems to enhance performance and reliability.
Proactively monitor and report performance of assigned technologies.
Troubleshoot software and hardware issues and failures as they arise.
Manage problem or escalated tickets and out-of-cycle requests from systems/software owners.
Determine optimal approaches to meet business needs and provide consultative guidance to customers on system usage.
Proactively monitor and identify broader, more complex issues across multiple integrated technologies and communicate as appropriate.
Provide technical knowledge and support to district agencies, personnel, and additional stakeholders.
Perform other related duties as assigned
May coordinate activities of application developers.
Identify best practices and standards for using the product.
Deliver support and design for industry-specific applications that require integration with statewide systems.
Interact with executive level business users or technical experts.
May function as a technical subject matter expert (SME).

Requirements

7+ years of professional native iOS development with Swift.
Expertise in iOS frameworks including SwiftUI or UIKit, Combine, Core Data, Core NFC, Core Bluetooth, CryptoKit, and secure storage APIs.
Hands-on experience with hardware backed security (Secure Enclave), certificate management, key exchange, and data signing/verification.
Experience working with REST APIs at an expert level.
Proficiency with JSON and XML data formats.
Experience translating wireframes and designs into functional software.
Strong understanding of REST APIs, JSON, authentication/authorization protocols, and secure session management.
Eligibility to qualify for a Journeyman level Emerging Technology consultant category.
Knowledge of Continuous Integration and Continuous Development (CI/CD).

Technologies

Swift
SwiftUI
UIKit
Combine
Core Data
Core NFC
Core Bluetooth
CryptoKit
Secure Enclave
Wallet-based identity SDKs
Secure storage APIs
NFC
BLE
ISO-aligned mobile identity protocols
Secure element exchanges
OpenShift
REST APIs
JSON
XML
CI/CD

In this role, you will primarily focus on

Lead end-to-end native iOS development using Swift and modern architectural patterns.
Integrate Apple identity frameworks, including Secure Enclave backed credential storage, Wallet based identity SDKs, and cryptographic APIs.
Implement secure communication flows using ISO aligned mobile identity protocols and related data exchange specifications.
Develop and maintain hardware level interactions such as NFC, BLE, device engagement, and secure element exchanges for digital identity interactions.
Collaborate with backend service teams to align with API specifications, secure data contracts, and identity-based authentication flows.
Conduct in-depth troubleshooting, debugging, and optimization across UI, networking, cryptography, and device hardware interfaces.
Ensure compliance with Apple platform security guidelines, privacy requirements, and best practices for handling sensitive identity data.
Provide architectural guidance, code reviews, and mentorship to junior developers on the mobile engineering team.
Collaborate with cross-functional partners including product owners, security architects, QA engineers, and business stakeholders to define and deliver high quality mobile capabilities.

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5mo ago

Developer Manager

iClassPro, Inc. Longview, TX

Longview, TX

5mo ago Closed

Full time Manager Senior Agile

This position is no longer accepting applications (closed May 28, 2026).

Job Description

Developer Manager role at iClassPro, Inc., based in Longview, TX, onsite.

Responsibilities

Lead, mentor, and grow a software development team
Drive the design, development, and delivery of scalable software solutions
Collaborate with product, design, and engineering to define strategy and execute cross‑functionally
Foster a culture of innovation, ownership, and continuous improvement
Champion coding, architecture, and agile best practices
Oversee project timelines, priorities, and team performance

Requirements

Minimum 7 years of experience in software development
Minimum 2 years of experience in team leadership
Strong technical background with knowledge of PHP, Laravel, React, or similar
Experience with modern development frameworks and cloud platforms
Excellent communication and problem‑solving skills
Passion for mentoring and developing engineers
Change advocate who thrives in a fast‑paced environment

Technologies

PHP
Laravel
React
Modern development frameworks
Cloud platforms

Benefits

Generous PTO
Comprehensive health benefits including medical, dental, vision, and more
401(k) match
Fun company events
Career growth opportunities

Who we are

iClassPro, Inc. produces the world’s leading class management software solution for children’s activity centers
In 2019, iClassPro partnered with one of the nation’s largest and most respected summer camps to create iCampPro
Today, we offer powerful, versatile platforms with modern, intuitive design that’s easy to learn and use