Full-Stack Software Engineer with Focus on Quality & Testing

Join Capital Technology Group, a leader in software development and digital transformation, where innovation meets civic responsibility.Our agile, multidisciplinary teams are dedicated to delivering impactful solutions for both federal and commercial sectors. With over a decade of experience, we pride ourselves on our partnerships and have been recognized fo…

Capital Technology Group provides consulting services in software development, digital transformation, human-centered design, data analytics, visualization, and cybersecurity. Teams use agile methods to deliver value quickly and work closely with clients. With over a decade of experience, CTG supports both federal and commercial organizations on complex, mission-driven projects and is a member of the Digital Services Coalition. Role overview Senior Software Engineers at Capital Technology Group help modernize software delivery for the federal government. The company values ongoing learning, client success, and teamwork. This position focuses on driving civic tech projects that make a difference in the public sector. What you will do Design and build prototypes and proof-of-concepts to explore new technologies. Assess the benefits and risks of emerging solutions. Support development teams as they adopt new tools and methods. Collaborate with cross-functional teams to create systems that improve the customer experience. Core responsibilities Develop, create, and modify application software or specialized utilities. Analyze user needs and deliver software solutions that address those needs. Design or customize software to help clients work more efficiently. Analyze and design databases within application areas, either independently or as part of a team. Mentor and supervise junior software developers when needed. Requirements US citizenship is required. Ability to obtain Public Trust clearance. Location Remote (USA)

SECURITY CLEARANCE: A TS/SCI clearance with both Polygraphs is a mandatory requirement.POSITION: Senior Software Engineer (AE, L4)REQUISITION: NIN-AE4-30.051925LOCATION: Laurel, MarylandSEAT LOCATION: EmersonJOB DESCRIPTION: This role is pivotal in establishing a new development environment, requiring the candidate to build systems from the ground up.

SECURITY CLEARANCE: TS/SCI with both Polygraphs is requiredPOSITION: Senior Software EngineerREQUISITION: KIN-SWE3-03.081825LOCATION: Ft. Meade, MarylandJOB DESCRIPTIONJoin our dynamic team as a Senior Software Engineer where you will leverage advanced software security techniques to implement, test, and operate applications in alignment with our technical reference architecture. Your role will include conducting ongoing security assessments and participating in code reviews to enhance both security and functionality.Your responsibilities will encompass debugging, designing, and coding new software, as well as modifying existing systems. You will provide innovative engineering designs for new software solutions aimed at mitigating security vulnerabilities.As a key contributor at all levels of the architecture, you will maintain comprehensive technical documentation and foster knowledge sharing among team members regarding secure coding practices. You must demonstrate the ability to quickly familiarize yourself with new tools and best practices.

Join Capital Technology Group, a leader in expert consulting services, specializing in software development, digital transformation, human-centered design, data analytics, visualization, and cybersecurity.With a commitment to agile methodologies, our multidisciplinary teams work closely with clients to deliver rapid, incremental value. For over a decade, we have earned the trust of both federal and commercial clients, tackling complex, mission-critical challenges. Our excellence in delivering IT services is recognized through our membership in the Digital Services Coalition, a group of innovative firms leading the industry.Job OverviewWe are seeking a Senior Principal Software Engineer with extensive technical expertise and exceptional communication skills to take on a hands-on technical leadership role in major programs supporting our clients. You will utilize your proficiency across various programming languages and frameworks to design and implement scalable solutions. In addition to producing clean, efficient code, you will collaborate with stakeholders, mentor team members, and drive Capital Technology Group's growth by spearheading impactful projects. If you are a seasoned engineer with a passion for solving intricate problems and a desire to communicate technical ideas effectively while making a difference in civic tech, we look forward to your application!Client Requirements: Candidates MUST BE US Citizens and must be able to obtain Public Trust clearance.Key ResponsibilitiesLead and architect comprehensive full-stack solutions encompassing front-end, back-end, and database layers using cutting-edge technologies.Develop and maintain applications using Java, TypeScript, Python, React, and other relevant languages.Design and optimize high-performance databases utilizing PostgreSQL and various SQL and NoSQL technologies.Establish and uphold CI/CD best practices along with DevOps principles across development workflows.

SECURITY CLEARANCE: TS/SCI with both Polygraphs are mandatory.POSITION: Software Developer EngineerREQUISITION: GTC-SD3-01.061124LOCATION: Ft. Meade, MarylandJOB DESCRIPTION:As a Software Developer Engineer, you will oversee the management, design, engineering, and architecture of software resources, delivering technical services to enhance IT service functions across the Enterprise.Key Responsibilities:Lead and manage software application design and development processes, including coding, debugging, testing, and troubleshooting.Supervise teams focused on software design and development initiatives.Technical Proficiencies:Java / Java SpringAWSAngularHibernatePostgreSQLDocker/Swarm (transitioning to Podman for C2S)Experience with JHipster, an open-source application generator for developing modern web applications and Microservices using Angular or React with the Spring Framework, is essential. Proficiency in Java is required.

About Judi HealthJudi Health is a pioneering enterprise health technology firm dedicated to transforming healthcare delivery through a robust suite of solutions tailored for employers and health plans. Our offerings include:Capital Rx, a public benefit corporation specializing in comprehensive pharmacy benefit management (PBM) services for self-insured employers,Judi Health™, providing full-service health benefit management solutions for employers, third-party administrators, and health plans, andJudi®, the leading proprietary Enterprise Health Platform (EHP), designed to streamline all claim administration workflows within a single, scalable, and secure ecosystem.We are committed to rebuilding trust in the U.S. healthcare system while establishing the necessary infrastructure for the quality care everyone deserves. Learn more about us at www.judi.health.Location: Remote (For Non-Local) or Hybrid (Local to NYC area or Denver, CO)

Unison Group is on the lookout for a passionate and skilled Software Developer experienced in Pitney Bowes technologies to become a vital part of our cutting-edge team. The successful candidate will play a key role in developing, enhancing, and maintaining software applications that leverage Pitney Bowes solutions, focused on boosting our clients' operational efficiencies and enriching customer experiences.Required Expertise in Pitney Bowes Technologies:Proven experience in Pitney Bowes development is essential (including Engage One Designer, Generate, Dataflow/Spectrum), with skills in Automate BPA and SQL, preferably within a SQL Server environment.Ability to tune and optimize stored procedures and queries to enhance database retrieval times and overall performance.Proficient in creating complex functions, scripts, stored procedures, and triggers to support application development, along with preparing documentation for technical design.Experience working with large databases in SQL Server environments.Strong communication and presentation skills are essential.Ability to work independently with minimal guidance.Core ResponsibilitiesDesign, develop, and maintain software applications that utilize Pitney Bowes products and services.Collaborate with cross-functional teams to define, design, and implement tailored software solutions for clients.Integrate Pitney Bowes APIs and services into existing systems.Conduct thorough testing, troubleshooting, and debugging of applications to ensure optimal performance.Provide technical guidance and support to team members and clients as required.Document software designs, code, and processes for future reference and compliance.Stay informed about the latest developments in Pitney Bowes technologies and industry standards.

ezCater stands at the forefront of food technology in the U.S., seamlessly connecting organizations in need of workplace meals with over 100,000 restaurants across the nation. Our platform offers flexible and scalable solutions, catering to everything from regular employee meals to special events, all supported by our dedicated 24/7 customer service team. For restaurant partners, ezCater drives growth by increasing order volume and attracting high-value customers. We are backed by leading investors such as Insight, Iconiq, Lightspeed, GIC, SoftBank, and Quadrille.As a Senior Software Engineer on our Finance Technology team, you will play a pivotal role in revolutionizing our finance technology platform. You will be responsible for architecting and implementing modern solutions that transform our existing software into an integrated, AI-enabled tech stack, ensuring efficient, secure, and compliant financial transactions for both our customers and restaurant partners. Key tasks will include credit card processing, invoicing, payouts, and tax calculations.

About UpstartAt Upstart, our mission is to revolutionize borrowing for all Americans by significantly reducing its cost and complexity. Through creativity, experimentation, and advanced AI, we aim to reshape access to credit so millions can achieve financial clarity and confidence.As a pioneering AI lending marketplace, we collaborate with banks and credit unions to broaden access to affordable credit using technology that is both highly intelligent and fundamentally human. Our platform executes over one million predictions per borrower, utilizing more than 1,800 data signals, to enable smarter and fairer decisions for countless customers. Every contribution we make brings us closer to a future where credit is an enabler, not a barrier, to financial progress.We proudly embrace a digital-first model, allowing most Upstarters the flexibility to perform their best work from wherever they flourish, alongside colleagues across 80+ locations in the US and Canada. Digital-first does not imply isolation; we prioritize meaningful in-person connections through team gatherings, planning sessions, and collaborative experiences that ignite creativity and foster trust. Whether you prefer to work remotely or in one of our offices in Columbus, Austin, the Bay Area, or New York City (opening Summer 2026), you will have the support to thrive in your preferred work style.If you are passionate about solving impactful challenges, eager to innovate with intention, and driven by meaningful work, we want to hear from you!The TeamThe Capital Supply Vertical is the engine behind Upstart’s AI-driven lending operations. Comprising five dynamic, high-performance teams, Capital Supply is responsible for establishing and nurturing relationships with our Lending Partners and Investors. We equip both internal and external partners with essential reporting, forecasting, and financial insights while optimizing the synergy between our customer base and funding suppliers.As a Principal Engineer on the Capital Supply team, you will collaborate across all facets of Upstart’s business and engineering, including Machine Learning, Data Engineering, Product Management, Product Design, Platform, Servicing, Lending Partnerships, and Auto. This role, reporting directly to the head of Capital Market Engineering, involves working closely with all five Capital Supply product engineering teams. Your mission will be to autonomously identify and prioritize high-impact initiatives that contribute to the success of the Capital Supply Vertical.

Are you passionate about innovation in technology? Do you thrive on tackling complex business challenges in a dynamic, collaborative, and inclusive environment? Join Capital One, where you will collaborate with a diverse group of makers, breakers, and disruptors, dedicated to solving real-world problems and fulfilling genuine customer needs. We are on the lookout for a Lead Software Engineer who is enthusiastic about integrating data with cutting-edge technology.As a Lead Software Engineer at Capital One, you will play a pivotal role in driving significant transformation within our organization.What You Will Do:Lead a diverse array of technology projects and manage a talented team of developers experienced in distributed microservices and full stack systems, crafting solutions that align with our regulatory standards.Stay ahead of technology trends, experiment with new technologies, engage in technology communities, and mentor fellow engineers.Work closely with digital product managers to deliver robust cloud-based solutions that empower millions of Americans to achieve financial success.Utilize a variety of programming languages including JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, Go, as well as Open Source RDBMS and NoSQL databases, Container Orchestration services like Docker and Kubernetes, and a range of AWS tools and services.

SECURITY CLEARANCE: TS/SCI with both Polygraphs required.POSITION: Expert Systems EngineerLCAT: Systems Engineer, Level 5REQUISITION: MAR-SE5-13.070125LOCATION: Ft. Meade, MarylandCapital Solutions Group (CSG) is actively seeking a skilled Expert Systems Engineer to support our Desktop and Enclave Services (DES) initiative. The DES is a vital component of our Enterprise Infrastructure Services (EIS) organization, which is currently undertaking significant IT architecture and infrastructure transformations across the enterprise.The DES organization specializes in delivering tailored personal desktop computing solutions across Unclassified, Secret, and Top-Secret domains. This includes modern hardware and software solutions, delivery and patching of operating systems and application software, packaging and updates, and hardware testing for various devices including Virtual Desktop Infrastructure (VDI), Trusted Thin Client (TTC), thick clients, thin clients, laptops, and mobile devices. Our services encompass all phases from deployment preparation to post-deployment support.Additionally, the Enterprise Directory Services Group focuses on developing and maintaining Directory and Security services for both on-premises and cloud environments. This involves implementing emerging technologies, cloud integration, Active Directory, and Identity consolidation, as well as architecting and adopting services from leading cloud providers such as Microsoft Azure, Amazon, IBM, Google, and Oracle.The Senior Systems Engineer will play a crucial role in Information Assurance (IA) system design, focusing on evaluating requirements and ensuring compliance for security certification throughout the development lifecycle.

HBK Capital Management is seeking a Software Engineer to join the Data Team in New York. This position centers on building and improving data-driven tools that support the firm's investment strategies. Role overview The Software Engineer will contribute to projects that combine data analytics and software development. The work involves creating scalable solutions and collaborating with colleagues from different teams to address business needs. What you will do Develop and maintain software that supports data analytics for investment decisions Work closely with cross-functional teams to design and implement scalable systems Help shape technology solutions that enhance the firm's approach to finance Location This role is based in New York.

SECURITY CLEARANCE: TS/SCI with both Polygraphs are requiredPOSITION: Senior Network EngineerLCAT: Network Engineer, Level 3REQUISITION: MAR-NE3-15.091125 LOCATION: Ft. Meade, Maryland SEAT LOCATION: Laurel JOB DESCRIPTION: Capital Solutions Group is seeking a highly skilled Senior Network Engineer to join our dynamic team supporting the Desktop and Enclave Services (DES). This pivotal role is part of the Enterprise Infrastructure Services (EIS) organization, which is actively engaged in the design, development, and implementation of significant enhancements to our IT architecture and infrastructure.The DES organization delivers robust, non-corporate enterprise personal desktop computing solutions that operate across Unclassified, Secret, and Top-Secret domains. We cater to specific organizational needs that cannot be met by standard corporate solutions. Our services encompass the provision of modern hardware and software solutions, OS and application software updates, and comprehensive hardware testing and approvals for various devices including VDI, Trusted Thin Clients, thick clients, thin clients, laptops, and mobile devices.As a Senior Network Engineer, you will be responsible for the complete lifecycle of network services, from design through implementation, maintenance, and upgrades of existing networks. You will analyze designs, specifications, and related documents, perform general LAN/CAN/WAN administration, and coordinate with diverse teams to resolve network or system incidents. Additionally, you will translate business needs into telecommunications requirements, conduct engineering analyses, and provide support for strategic modernization efforts aimed at enhancing medium to large-scale telecommunication infrastructures.

About Northslope TechnologiesAt Northslope Technologies, we are redefining the landscape of enterprise software by creating mission-specific AI applications tailored to our customers' unique needs. Our innovative solutions empower businesses across various industries to operate with the speed, scale, and efficiency of leading software companies.We are on a mission to develop software that adapts seamlessly to the evolving demands of our clients, driven by a team of engineers who excel in both technical prowess and customer-centric design. The RoleAs a Full-Stack Software Engineer at Northslope, you will be at the forefront of designing, developing, and scaling high-impact applications that span the entire technology stack—from front-end to back-end. Collaborating closely with internal teams and stakeholders, you will transform complex datasets into critical workflows, tools, and actionable insights.Your responsibilities will include crafting user-focused interfaces, developing robust APIs, and managing data pipelines. You will take ownership of projects from inception to deployment, ensuring rapid delivery while playing a vital role in enhancing the operations of teams tackling intricate real-world challenges.At Northslope, we value engineers who are not only adept at writing clean code but also possess a keen understanding of product design and implementation, ensuring that solutions are not only effective but also impactful. What We're Looking ForUser-Centric Focus – You are dedicated to ensuring user success, often stepping beyond your immediate role to deliver solutions that generate real business value.Full-Stack Development Expertise – You are versatile in navigating both front-end and back-end technologies. You have hands-on experience with modern software and AI applications, as well as RESTful APIs, to deliver cohesive user experiences.Frontend Proficiency – Your expertise in TypeScript and React is complemented by a track record of developing modern, responsive web applications. You understand component architecture, state management, and performance optimization, with a passion for creating intuitive and accessible user interfaces.Ownership Attitude – You flourish in environments where you are entrusted with autonomy and responsibility, taking initiative to lead projects while valuing team collaboration.Production Experience – You have a solid history of building and maintaining applications in production settings, demonstrating your capability to deliver results.

Position Overview:Join our dynamic Commodities Risk Services Technology team at Fabergent as a Senior Java Developer, where you will play a pivotal role in designing, developing, and maintaining a cutting-edge real-time risk management system tailored for the Commodities sector.Key Responsibilities:Design and implement new software applications while enhancing existing ones.Engage in the full Software Development Life Cycle (SDLC), including design, development, testing, code reviews, technical documentation, and production deployment.Work collaboratively in a high-energy environment, managing priorities effectively and independently.Diagnose and resolve production issues in coordination with team members.Collaborate with various stakeholders, including upstream and downstream teams, quantitative analysts, and quality assurance partners.Continuously learn and improve the platform through innovative contributions.

Full-Stack Software EngineerLocation: Boston, MA (Hybrid — 2 days per week in office)About UsAt Clasp, we are a dynamic, venture-backed startup dedicated to redefining access to education and career opportunities. Our mission is to revolutionize how employers attract and retain top talent while addressing the pressing issue of student debt.We connect educational institutions, employers, and diverse talent through our innovative platform, which utilizes accessible education financing as a vital resource. More than just a fintech company, we act as a catalyst for economic mobility.Recognized as a Forbes Fintech 50 company and a proud member of SHRM's portfolio, Clasp was also awarded “Startup of the Year” by StartUp Boston. Join us as we reshape the future of work and education, one opportunity at a time.The Role – Full-Stack EngineerWe are seeking an enthusiastic Full-Stack Software Engineer to join our Engineering team. As we scale our product to serve tens of thousands of additional students and enhance partnerships with alternative education providers and employers, your contributions will be invaluable.This position is perfect for an engineer passionate about building comprehensive features, collaborating with product and design teams, and deepening their technical expertise in a live production environment. We highly value engineers who are customer-obsessed—those who consider the user's experience and take pride in improving systems, code, and processes.You will play a significant role across the tech stack—frontend, backend, and infrastructure—while learning from seasoned engineers within a robust DevOps culture. At Clasp, engineers are entrusted with real ownership of the systems they develop, taking features from conception to production, enhancing existing systems, and continuously honing their skills as part of a supportive, mission-driven team.What You’ll DoDevelop, enhance, and maintain features across our application management and loan repayment platform, contributing to both frontend and backend systems.Improve the codebase and systems by enhancing clarity, reliability, documentation, and developer experience.Create polished, accessible user experiences for students and administrators, as well as reliable APIs for both internal and external partners.Implement features with a strong focus on customer empathy, considering usability, accessibility, and long-term maintainability.

Position Overview:Join our innovative team as a DevOps / Kubernetes Engineer, where you will play a crucial role in supporting cutting-edge cloud computing solutions to deploy and maintain a robust platform as a service environment.Key Responsibilities:• Design, develop, and manage Kubernetes platform infrastructure to meet the evolving needs of our clients, ensuring high standards of security, monitoring, and operational efficiency.• Collaborate with stakeholders and development teams to gather and understand operational requirements, feature specifications, architecture, and testing processes.• Efficiently manage task timelines for assigned projects, providing progress updates and Level of Effort (LOE) forecasts to stakeholders.• Document implementation requirements and ensure adherence to industry best practices and security guidelines.• Conduct research on emerging tools and technologies, and participate in team code reviews, cross-training, and sprint planning sessions.• Create and maintain comprehensive implementation documentation and Standard Operating Procedures (SOPs).

About Akuna Capital:Akuna Capital is a forward-thinking trading firm that prioritizes collaboration, cutting-edge technology, and data-driven solutions. We excel as an options market-maker, committed to delivering competitive quotes for buying and selling. To achieve this, we develop and implement our own low-latency technologies, trading strategies, and mathematical models.Founded by a team of visionary partners in Sydney, Akuna Capital established its first office in 2011 in the heart of Chicago, the global hub for derivatives and options trading. Today, we proudly operate additional offices in Sydney, Shanghai, London, and Singapore.Role Overview:As a Software Engineer at Akuna, you will be an essential part of our engineering team, contributing to the development of our proprietary options market-making platform. This role involves analyzing, designing, implementing, testing, and delivering our trading system using state-of-the-art technologies. You will collaborate closely with a team of industry-leading options Traders, who are actively involved in the design and enhancement of our trading platform.Design and develop complex, mission-critical trading systems.Work alongside traders to refine and enhance our trading strategies.Participate in full software development lifecycle, from planning to deployment.