Mid-Level Software Developer Jobs in Boston, MA

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Senior UI Engineer

Eliassen Group

Boston, Massachusetts, USA

Contract

Description: **Hybrid remote | 2 weeks per month onsite in Boston, MA** As a Senior Software Engineer, you will get the opportunity to develop your skills, collaborate across teams and continue to learn in a fun, collaborative, iterative, and rapidly changing environment. This is a hands-on role where you will write code for product features. You will work closely with the technical lead, business development, client services and UX design teams to build intuitive and functional user interface

Senior Software Engineer, Mission System

Aduril Industries

Quincy, Massachusetts, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c

Senior Platform Engineer

RTX Corporation

Marlborough, Massachusetts, USA

Full-time

Date Posted: 2025-06-26 Country: United States of America Location: MA801: Marlborough, MA 1001 Boston Post Road Building 2, Marlborough, MA, 01752 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation a

Senior Engineer, Oracle HCM Systems

Clean Harbors

Norwell, Massachusetts, USA

Full-time

Clean Harbors is seeking a dynamic and experienced Senior Engineer (Oracle HCM Systems) to join our team in Norwell, MA. Why work for Clean Harbors? Health and Safety is our #1 priority, and we live it 3-6-5! Competitive wages and robust career growth opportunities. Comprehensive health benefits coverage after 30 days of full-time employment. Group 401K with a company matching component. Generous paid time off, company-paid training, and tuition reimbursement. Positive and safe work environment

Senior Lead AI Engineer

Capital One

Cambridge, Massachusetts, USA

Full-time

Senior Lead AI Engineer Overview: At Capital One, we are creating responsible and reliable AI systems, changing banking for good. For years, Capital One has been an industry leader in using machine learning to create real-time, personalized customer experiences. Our investments in technology infrastructure and world-class talent - along with our deep experience in machine learning - position us to be at the forefront of enterprises leveraging AI. From informing customers about unusual charges

Lead Engineer

Cushman & Wakefield

Boston, Massachusetts, USA

Full-time

Job Title Lead Engineer Job Description Summary Job Description Summary This is an exciting opportunity for a Lead Engineer to join a high-performing team supporting a world-class life science and office property in the Seaport of Boston. The Lead Engineer will report to the Chief Engineer and assist in leading a team of skilled trades professionals in the preventive, predictive, and corrective maintenance program for MEP equipment and systems. Additionally, the Lead oversees site-level supervi

Firmware Engineer II/III

Textron, Inc.

Wilmington, Massachusetts, USA

Full-time

Who We Are Textron Systems is part of Textron, a $14 billion, multi-industry company employing 35,000 talented makers, thinkers, creators and doers worldwide. We make things that fly, hover, zoom and launch. Things that move people. Protect soldiers. Power industries. We serve customers in industries spanning aerospace and defense, specialized vehicles, turf care and fuel systems. This role is in Textron System's Weapon Systems business area. Visit TextronSystems.com & Lycoming.com to read mo

Lead Python Developer | Strong AWS Expertise | Java Experience | Local Candidates Only

Long Finch Technologies

Boston, Massachusetts, USA

Contract

Lead Python Developer | Strong AWS Expertise | Java Experience | Local Candidates Only Relocation will not work Boston, MA Contract We are looking for a Lead Python Developer with strong expertise in AWS and experience in Java. Local candidates only. Key Responsibilities Design, build, and maintain robust and scalable backend services using Python and/or Java.Develop RESTful APIs and data processing pipelines for mission-critical systems.Implement automated CI/CD pipelines for build, test, and d

Senior Software Engineer: Infrastructure

DigitalOcean

Boston, Massachusetts, USA

Full-time

We want people who are passionate about solving large scale complex distributed systems challenges. We are looking for a Senior Software Engineer with expertise in Distributed Systems and Networking to build cutting edge Network Software that will run on tens of thousands of hypervisors and bare-metal servers across our global infrastructure network. You will be responsible for building the next generation of software-defined networking on our platform: providing flexible, yet simple, primitive

Senior Workday Developer

Velocity Tech Inc

Remote or Taxes, Muros, ES

Full-time

Key Responsibilities:Design and develop complex Workday integrations using Workday Studio, EIB, Core Connectors, and Web Services (SOAP/REST) Build and maintain custom reports, calculated fields, and dashboards Manage full integration lifecycle: design, development, testing, deployment, and support Collaborate with stakeholders to understand business needs and translate them into Workday solutions Perform data migration, mass data loads, and tenant-to-tenant moves Ensure compliance with Workday

Senior Security Engineer

Motion Recruitment Partners, LLC

Boston, Massachusetts, USA

Full-time

Job Description A global investment firm with a track record spanning four decades and more than $32 billion deployed across healthcare, life sciences, and technology sectors is seeking a Senior Security Administrator/Engineer. This full-time role reports directly to the executive leadership responsible for information and cyber risk, and it plays a lead role in implementing and maintaining security strategies that support both business continuity and regulatory compliance. This is an ideal oppo

Senior Firmware Engineer

Motion Recruitment Partners, LLC

Boston, Massachusetts, USA

Full-time

Our client, an early-stage neurotechnology startup, is seeking a Senior Firmware Engineer to help develop the core embedded software for their next-generation wearable platform. The company is pioneering real-time neural signal processing and closed-loop control systems to enable breakthrough health and performance applications. Key Responsibilities: Design, develop, and maintain embedded firmware for wearable neurotech devicesWork closely with cross-functional teams on hardware bring-up, BLE co

Senior Formal Methods Engineer

Draper

Remote or Cambridge, Massachusetts, USA

Full-time

Overview: Draper is an independent, nonprofit research and development company headquartered in Cambridge, MA. The 2,000+ employees of Draper tackle important national challenges with a promise of delivering successful and usable solutions. From military defense and space exploration to biomedical engineering, lives often depend on the solutions we provide. Our multidisciplinary teams of engineers and scientists work in a collaborative environment that inspires the cross-fertilization of ideas

Senior Full Stack Engineer

Motion Recruitment Partners, LLC

Boston, Massachusetts, USA

Full-time

We're revolutionizing agriculture through data-driven insights and innovative software solutions. Headquartered in Boston, MA, our mission is to empower farmers, agronomists, and food suppliers with cutting-edge tools that optimize crop yields, reduce waste, and support sustainable farming practices. We're seeking a passionate and experience Senior Full Stack Engineer to join our fast-growing product development team. This is an exciting opportunity to work at the intersection of technology and

Senior Engineer I, Observability

DigitalOcean

Boston, Massachusetts, USA

Full-time

Observability Platforms is focused on creating visibility into DigitalOcean's services and infrastructure. We design, build, and operate the internal logging, metrics, distributed tracing, error reporting, monitoring, and alerting platforms that are depended on to ensure good, reliable experiences for DigitalOcean's customers. Through a mix of open source services and in-house developed software we seek to continuously improve the ability of DigitalOcean engineers and product managers to underst

Senior Full Stack Engineer, Security Products

DigitalOcean

Boston, Massachusetts, USA

Full-time

We are seeking a highly experienced and motivated Senior Full Stack Engineer to join our Security Products team. In this pivotal role, you will be instrumental in designing, building, and maintaining robust security products and infrastructure that protect DigitalOcean's platform and our customers' data. This is an exciting opportunity for an individual who thrives in a fast-paced environment and is passionate about solving complex security challenges at scale What you'll do Design, develop, and

Sr Software Application Engineer

Motion Recruitment Partners, LLC

Boston, Massachusetts, USA

Full-time

Job Description The Senior Engineer must be able to demonstrate experience designing software systems from ground up and become the subject matter and system expert. Senior level lead engineer, expert in web applications and infrastructure, .NET Framework, relational databases, and design patterns Highly self-motivated individual who has the ability to work independently as well as in a team environment Outstanding verbal and written communication skills Ability to design, develop, test, support

Senior Software Engineer

Massachusetts Institute of Technology (MIT)

Cambridge, Massachusetts, USA

Full-time

Posting Description SENIOR SOFTWARE ENGINEER, Open Learning, Engineering , will architect, develop, and optimize scalable software solutions, ensuring performance, security, and maintainability; write high-quality code in Javascript, Python, and other modern web technologies; lead and participate in architecture discussions, technical design, and code reviews to maintain high engineering standards; collaborate closely with MIT developers, educators, learners, and the Open edX community to improv

Senior GN&C Analysis Engineer

Draper

Cambridge, Massachusetts, USA

Full-time

Overview: Draper is an independent, nonprofit research and development company headquartered in Cambridge, MA. The 2,000+ employees of Draper tackle important national challenges with a promise of delivering successful and usable solutions. From military defense and space exploration to biomedical engineering, lives often depend on the solutions we provide. Our multidisciplinary teams of engineers and scientists work in a collaborative environment that inspires the cross-fertilization of ideas

Senior Engineer - Process Development

Amgen Inc

Cambridge, Massachusetts, USA

Full-time

Career Category Operations Job Description Join Amgen's Mission of Serving Patients At Amgen, if you feel like you're part of something bigger, it's because you are. Our shared mission-to serve patients living with serious illnesses-drives all that we do. Since 1980, we've helped pioneer the world of biotech in our fight against the world's toughest diseases. With our focus on four therapeutic areas -Oncology, Inflammation, General Medicine, and Rare Disease- we reach millions of patients each