Lead Software Engineer

Lead Software Engineer

Boston, MA

Type: Consulting

Category: Engineer

Industry: Technology

Reference ID: JN -062026-107413

Date Posted: 09/09/2026

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Description:

Hybrid at least 2 days per week in office in Boston, MA

Our client seeks a Lead Software Engineer to drive design, delivery, technical strategy, and execution for critical data systems. You will define engineering standards, influence long-term platform direction, mentor junior engineers, and ensure the platform scales securely and reliably to support business growth. You will work across the stack to build cloud-native, event-driven, and data-intensive solutions that enable data-driven, omnichannel consumer experiences.

We can facilitate w2 and corp-to-corp consultants. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.

Rate: $85.00 to $90.00/hr. w2

JN -062026-107413

Responsibilities:

• Deliver large-scale cloud-native data platforms on AWS using REST APIs, microservices, and event-driven applications for scalable and resilient systems.

• Work hands-on across Java, Python, Spark, TypeScript, JavaScript, Angular, AWS services, event-driven architectures, and SQL/NoSQL databases.

• Lead technical initiatives for performance, scalability, reliability, security, governance, and cost efficiency.

• Partner with global engineering, product management, architecture, and business stakeholders to align solutions with objectives.

• Own the end-to-end SDLC including requirements, design, development, deployment, observability, and documentation.

• Mentor junior engineers and promote a culture of innovation, accountability, collaboration, and technical excellence.

Experience Requirements:

• 8-10 years of software engineering experience with expertise in scalable UX-driven applications and distributed systems.

• Proven experience designing and building scalable REST APIs, microservices, Kubernetes, and distributed systems.

• Experience with Data Warehousing, Data Lakes, Delta Lake, and modern big data ecosystem designs.

• Strong hands-on expertise in Python, Java, and Angular with knowledge of object-oriented design patterns and functional programming.

• Expertise in PySpark and Apache Spark for high-performance distributed data processing.

• Depth in microservices development with Kubernetes containerization for eventing and serving.

• Extensive AWS experience including S3, Lambda, API Gateway, and EventBridge.

• Strong experience with messaging and event-driven technologies such as Kafka, SNS, and SQS, and databases including PostgreSQL, SQL Server, Aurora, DynamoDB, MongoDB, and Redis.

• Hands-on experience with IaC tools such as Terraform and Ansible.

• Strong understanding of CI/CD and DevOps using Jenkins, GitHub/GitLab, Bitbucket, and GoCD.

• Experience implementing unit, integration, and regression testing and following engineering best practices.

• Strong critical thinking and analytical skills for diagnosing and solving complex technical problems.

• Exposure to Generative AI, including LLMs, RAG architectures, and agentic AI systems.

• Nice to have: PySpark with Databricks, Azure or GCP, and experience building privacy-safe data platforms, CDPs, or MarTech environments.

Education Requirements:

B.E./B.Tech/M.Tech/MCA in Computer Science, Information Technology, or a related field.

Recruitment Transparency Notice

Eliassen Group values transparency in our recruitment practices. Please be advised that Eliassen Group utilizes artificial intelligence (AI) tools as part of its initial application screening and hiring process. You may receive email and SMS notifications from the Eliassen Virtual Recruiting Team ( View email address on click.appcast.io , View phone number on click.appcast.io) inviting you to complete a brief voice screening as part of your application process. These tools assist our hiring teams in different ways, including but not limited to, assistance in reviewing application materials to help identify candidates whose qualifications most closely match the requirements of the position. All AI-assisted evaluations and responses are reviewed by human recruiters before any hiring decisions are made. The use of AI in our process is intended to support fairness, efficiency, and consistency, and Eliassen Group takes measures to prevent bias or discrimination in connection with its hiring practices. By proceeding, you acknowledge, agree, and consent to Eliassen Group’s use of these tools, including AI tools, as part of the application and hiring process.

Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.

W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.

If anyone reaches out to you about an open position connected with Eliassen Group, please ensure that you are working directly with us by confirming the following:

· When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.

· Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group.

If you have any indication of fraudulent activity, please contact View email address on click.appcast.io .

About Eliassen Group:

Eliassen Group is a strategic consulting firm that helps organizations reach further and achieve more through our technology, business advisory, and life sciences solutions. For nearly 40 years, we have combined exceptional people, deep domain expertise, and intelligent capabilities to expand our clients’ capacity and accelerate meaningful outcomes. We are driven by a purpose to positively impact the lives of our employees, clients, consultants, and the communities we serve.

Eliassen is committed to building a diverse and inclusive team from a variety of backgrounds, perspectives, and skills. We are an Equal Opportunity and Affirmative Action Employer and all employment decisions are based on merit, performance, and business needs. Eliassen does not discriminate on the basis of race, color, gender identity or expression, sexual preference or orientation, sex (including pregnancy, childbirth, and related medical conditions), marital status, creed, religion, physical or mental disability, genetic information, military or veteran status, age, ancestry, national origin, citizenship status, prohibited criminal record inquiries of applicants and employees, or any other category protected by federal, state, or local laws.

Don’t miss out on our referral program! If we hire a candidate that you refer us to then you can be eligible for a $1,000 referral check!