Job Summary

As a Senior Software Engineer based in Mexico, you will play a pivotal role in designing, developing, and delivering high-quality software solutions on a small team designing and implementing new features for two new products (< 2 years old). You will be expected to handle both frontend and backend development.

Duties and Responsibilities

- Develop new features handling both the front end and back end development work.
- Collaborate with product managers, designers, and other engineers to define technical requirements and deliverables.
- Conduct code reviews and ensure adherence to coding standards, quality, and security guidelines.
- Collaborate on architectural decisions to align with long-term business goals.
- Stay current with emerging technologies and industry trends to continuously improve development processes.

Education and Experience

- Bachelor’s Degree or Equivalent in a computer related field
- 7+ years’ experience in Software Development

- 4+ years; experience in Cloud Development, both front and back

- Fluency in English and Spanish, both written and spoken.

Knowledge, Skills and Abilities:

- Strong Node.js/JavaScript — everything is Node (20/24). Notably must be comfortable with both module systems.
- AWS serverless architecture —

- Lambda, SQS, S3, Secrets Manager, DynamoDB API Gateway. Both APIs are built on Serverless Framework v4 with serverless-offline for local dev.
- PostgreSQL with Knex + Objection.js — both products use this exact ORM stack. Comfort writing and rolling back migrations is a real day-to-day skill here.
- React + Next.js 14 —Solid React with Next.js fundamentals with form-heavy, table-heavy CRUD UI experience.




- Comfort working within an internal design system — including debugging CSS specificity/source-order issues rather than reaching for a rewrite.
- SOAP and XML processing —
- Both products interface with existing internal and third-party systems using SOAP interfaces with XML.
- Document and image handling —
- TIFF/PNG processing, PDF generation.
- Express —both inside Lambda (via serverless-express) and on EC2 (the SOAP/PRIA service).
- Jest for unit and integration
- Cypress for the UI.
- Experience working in an Agile/Scrum development environment.
- Experience using AI coding tools

Work Environment

- Setting with a moderate noise level.
- The employee will work at an individual workstation, using a telephone and computer.

Physical Demands

- Must be able to remain seated for extended periods.
- Frequent communication via telephone.

Neumo Summary With the backing of four decades of public sector expertise and corporate capability, Neumo has successfully supported government services.

Neumo was honored and recognized for four (4) consecutive years as a GovTech 100 Company representing the top 100 companies focused on making a difference in and selling to state and local government agencies across the United States. Neumo is committed to helping communities thrive and brings a wealth of experience combined with innovation. Today, Neumo offers more administrative and financial support to government officials than any other organization.

And with a responsive, client-focused approach, we foster partnerships that give our customers the certainty they need to accomplish more.

Neumo offers a competitive benefits and compensation package and are looking for team members who will thrive in our dynamic environment.

Neumo is an Equal Opportunity Employer. Selection for a position will be made without regard to race, religion, national origin, sex, political affiliation, marital status, non-disqualifying physical handicap, and age.

📌 Senior Software Engineer - Full Stack - MX (Remote) (Guadalajara)
🏢 Neumo
📍 Guadalajara