← all jobs

Copy of Senior Software Engineer/Team Leader

Work from home Full-time role Hiring

Company Description

Ready to take the lead while staying hands-on with cutting-edge code? Join Sigma Software as a Senior Software Engineer / Team Lead and help shape innovative cybersecurity solutions that protect high-value information assets across multiple sectors. This is a full-time role, remote across Europe. You’ll lead a small, talented engineering team while working on high-impact, scalable systems. At Sigma Software, we value freedom to make an impact, technical excellence, and a dynamic culture where experimentation and learning are encouraged. Join us to grow your leadership skills while staying close to the code. CUSTOMER Our customer is a leading cybersecurity company developing advanced security solutions that provide autonomous governance, real-time operational enforcement, and protection of high-value information assets. They focus on safeguarding both digital and operational environments, working with compliance-heavy industries such as finance, healthcare, and government, and are known for integrating AI-driven anomaly detection into security protocols. PROJECT The project delivers comprehensive visibility and autonomous governance over dynamic execution patterns, enforcing real-time operational protocols to safeguard high-value information assets and neutralize systemic anomalies. You’ll work on scalable solutions, rapid prototypes, and high-security systems in a fast-paced environment.

Job Description

Lead and mentor a team of 3 engineers through code reviews, design critiques, career mentorship, and collaboration with integration teams Design and build scalable solutions, balancing production-quality code with rapid PoC development Own sprint planning and quarterly roadmap execution Act as final escalation point for complex technical issues Rapidly learn and implement new technologies, strategically managing technical debt Qualifications 5+ years of software engineering experience with strong CS fundamentals, OOP, data structures, algorithms Proficiency in Go (preferred) and/or vanilla JavaScript Strong SQL skills Experience building/maintaining Microservices Proven leadership experience while remaining hands-on Upper-intermediate+ English WILL BE A PLUS Experience with dashboard development and/or modern UI frameworks Background in Cybersecurity or AdTech Experience with PCI DSS or other high-security standards Additional Information PERSONAL PROFILE Hands-on leader who enjoys coding and mentoring Comfortable making architectural decisions and driving technical direction Adaptable, fast learner, thrives in dynamic environments

More open positions

Software Engineer, Distributed Systems

Work from home Full-time role

Software Engineer, Infrastructure

Work from home Full-time role

Software Engineer, Site Reliability

Work from home Full-time role

Business Development Lead, Care Partnerships

Work from home Full-time role

Channel Manager - SEM

Work from home Full-time role

Associate Customer Service Representative – Remote B2C Support for Plumbing Products & Solutions

Work from home Full-time role

AI Data Annotation Specialist (US) Freelance Role, Flexible Hours

Work from home Full-time role

Finance - Benefits CSR

Work from home Full-time role

[Remote] Per Diem Social Media & Marketing Coordinator (Remote)

Work from home Full-time role

[Remote] Director of Program Management

Work from home Full-time role

Spanish Data Annotator Specialist (Based in NY)

Work from home Full-time role

Customer Service Representative - Remote Data Entry Clerk

Work from home Full-time role

Customer Support Representative – careerzynith B2B SaaS, Multi‑Timezone Client Success & Product Adoption Specialist (Remote – Central & South America)

Work from home Full-time role

[Remote] Software Engineer 4, AI-Native

Work from home Full-time role

Clinical Adjunct Faculty, Instructor - College of Health Sciences, Physician Assistant Program

Work from home Full-time role

Remote Entry-Level Customer Service Representative – Join careerzynith’s Dynamic Virtual Support Team and Launch Your Career from Anywhere

Work from home Full-time role

Analyst, Loss Analysis (USDA)

Work from home Full-time role

Accounts Payable Specialist Remote (USA only — PST hours preferred) with some office travel required

Work from home Full-time role

Remote (Junior) Talent Aquisition Manager (gn)

Work from home Full-time role

Experienced Seasonal Benefit Customer Service Representative – Virtual Hiring Event

Work from home Full-time role

PA/NP - Virtual Urgent Care - Remote (Night Shift)

Work from home Full-time role